from:"kk"

http://www.spoj.pl/problems/MINMOVE/
This code is showing TLE after some 20th test  case what else can be
optimized???

try:
import psyco
psyco.full()
except ImportError:
pass

string = input()
minlen = string
length = len(string)

string += string[:]
#print(string)

index = 0
for i in range(1, length):
if string[i : i+length] < minlen:
minlen = string[i : i+length]
index = i

print(index)


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[algogeeks] Re: Tic Tac Toe

oops !! :) i'll look into that.. thx

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[algogeeks] Fiddling with Bits

To remove all digits left of the rightmost digit one in the binary
representation of some integer what we need to do is this:
ans = no & -no
and this is what is exactly asked in this problem of SPOJ:
www.spoj.pl/problems/MZVRK/


#include
using namespace std;
int main()
{
unsigned long long int a, b, sum;
while(scanf("%lld%lld", &a, &b) != EOF)
{
  sum = 0;
  while(a != (b+1))
  {
  sum += (a & -a);
  a++;
  }
  printf("%lld\n", sum);
}
return 0;
}

Its giving TLE on some 10th case...

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[algogeeks] Re: Tic Tac Toe

@sunny: why the answer for the case u mentioned is no.. those are
possible set of moves according to me and hence my program outputs
"yes"

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[algogeeks] Re: Tic Tac Toe

@sunny:
This test:
 if(! ( (countx == counto + 1) || (countx == counto) ) )
cout << "no" << endl;
prints no if countx > counto

and this one
 if(o && x)
 cout << "no" << endl;
  else
 cout << "yes" << endl;

prints no if both have won or else yes
correct me if m wrong...

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[algogeeks] Tic Tac Toe

https://www.spoj.pl/problems/TOE1/
For which test case does this program fail


#include
#include
using namespace std;

bool isWin(vector< vector > &v, char ch);

int main()
{
vector col(3);
vector< vector > v(3, col);
int t, i, j;
bool x, o;

cin >> t;
while(t--)
{
  int counto = 0, countx = 0;
  for(i=0; i<3; i++)
 for(j=0; j<3; j++)
 {
cin >> v[i][j];
if(v[i][j] == 'O')
   counto++;
else if(v[i][j] == 'X')
   countx++;
 }

  //cout << countx << " " << counto << endl;
  if(! ( (countx == counto + 1) || (countx == counto) ) )
cout << "no" << endl;
  else
  {
  x = isWin(v, 'X');
  o = isWin(v, 'O');

  //cout << "x = " << x << " o = " << o<< endl;
  if(o && x)
 cout << "no" << endl;
  else
 cout << "yes" << endl;
  }
}
return 0;
}

bool isWin(vector< vector > &v, char ch)
{
 int i, j=0;
 for(i=0; i<3; i++)
 {
 if(v[i][j] == v[i][j+1] && v[i][j+1] == v[i][j+2] && v[i]
[j] == ch)
return true;
 }

 i=0;
 for(j=0; j<3; j++)
 {
 if(v[i][j] == v[i+1][j] && v[i+1][j] == v[i+2][j] && v[i]
[j] == ch)
return true;
 }

 if(v[0][0] == v[1][1] && v[1][1] == v[2][2] && v[0][0] == ch)
   return true;

 if(v[2][0] == v[1][1] && v[1][1] == v[0][2] && v[1][1] == ch)
   return true;

 return false;

}

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Re: [nox-dev] NOX architecture schemes

2011-06-16 Thread kk yap

Hi Andrea,

Beyond the component class, there is nothing particular abstract about
the API of NOX IMHO.  You might of course also be interested in the
OpenFlow messaging API.  Is there anything beyond that?  If not, then
the doxygen page of Component is what you are looking for?

Regards
KK

On 16 June 2011 13:36, andrea simeoni  wrote:
> Hi KK,
>
> Thank you for answering...the architectural design that you suggested me was
> already clear in my mind.
> I think it is useful for understanding how NOX basically works; however an
> high level design of the API
> provided by main components is completely missing.
> Now I'm working to produce such high level scheme, and to develop some
> use-cases diagrams showing the functionality actually provided by NOX
> components.
>
> If I'll produce something useful I'll be glad to share it.
>
> Regards
>
>
>
> 2011/6/16 kk yap 
>>
>> Hi Andrea,
>> I am assuming you are trying to get started on NOX with the description?
>>  I had a short introduction to NOX a while back (which can be outdated),
>> since I am fairly out of touch. You can check it out here
>> https://docs.google.com/present/view?id=dfsbt2qf_327f9688ngr&ncl=true..
>> Maybe you can provide some suggestions on how to make this clearer for
>> others too.  That would be appreciated.
>> Regards
>> KK
>>
>> On 13 June 2011 15:09, andrea simeoni  wrote:
>>>
>>> Hi guys,
>>> Do you know were I can find an architectural description of NOX? (
>>> I mean  a paper or some images describing what are the API provided by
>>> basic components and what are the main events generated by the network and
>>> by components.
>>> I've already found the doxygen documentation
>>> at http://noxrepo.org/noxwiki/ and I'm looking for some more clear schemes.
>>> Any suggestions?
>>> Thank you
>>>
>>> --
>>> Andrea Simeoni
>>>
>>> ___
>>> nox-dev mailing list
>>> nox-dev@noxrepo.org
>>> http://noxrepo.org/mailman/listinfo/nox-dev
>>>
>>
>
>
>
> --
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>
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[algogeeks] Re: is it correct??

Use sprintf(string, formatSpecifier, variable) instead
u can even use %o %x for changing integer to corresponding oct and
hex...

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Re: [nox-dev] NOX architecture schemes

2011-06-16 Thread kk yap

Hi Andrea,

I am assuming you are trying to get started on NOX with the description?  I
had a short introduction to NOX a while back (which can be outdated), since
I am fairly out of touch. You can check it out here
https://docs.google.com/present/view?id=dfsbt2qf_327f9688ngr&ncl=true..

Maybe you can provide some suggestions on how to make this clearer for
others too.  That would be appreciated.

Regards
KK

On 13 June 2011 15:09, andrea simeoni  wrote:

> Hi guys,
>
> Do you know were I can find an architectural description of NOX? (
>
> I mean  a paper or some images describing what are the API provided by
> basic components and what are the main events generated by the network and
> by components.
> I've already found the doxygen documentation at
> http://noxrepo.org/noxwiki/ and I'm looking for some more clear schemes.
>
> Any suggestions?
>
> Thank you
>
>
> --
> Andrea Simeoni
>
> ___
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> nox-dev@noxrepo.org
> http://noxrepo.org/mailman/listinfo/nox-dev
>
>
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[algogeeks] MST (BLINNET) problem on SPOJ

www.spoj.pl/problems/BLINNET/
Here is the code for the same... Its not getting AC in SPOJ
m not able to figure out wheres the hole in this... plzz help

#include
#include
#include
#include
#include

#define MAXINT (int)9e9
#define TR(a,it)for(typeof((a).begin()) it=(a).begin(); it!
=(a).end(); ++it)
using namespace std;

struct node
{
   long int data;
   string name;
   long int cost;
   long int distance;
   long int parent;

   friend bool operator>(const node &a, const node& b);
};

long int prims(vector< list > &adjlist, int n);

int main()
{
 freopen("input.txt", "r", stdin);
 freopen("output.txt", "w", stdout);
 long int n, t, no_neigh;
 cin >> t;
 while(t--)
 {
   vector< list > adjlist;
   node temp;
   getchar();
   cin >> n;
   adjlist.resize(n + 1);
   for(long int i=1; i<=n; i++)
   {
cin >> temp.name;
//temp.data = i;
//adjlist[i].push_back(temp);

cin >> no_neigh;
for(long int j=1; j<=no_neigh; j++)
{
 cin >> temp.data >> temp.cost;
 adjlist[i].push_back(temp);
}
   }

   /*for(int i=1; i<=n; i++)
   {
   cout << i << ":" << endl;
   TR(adjlist[i], it)
  cout << it->data << " " << it->cost << endl;
   }*/

   cout << prims(adjlist, n) << endl;
 }
}

bool operator>(const node &a, const node& b)
{
 return a.distance > b.distance;
}

long int prims(vector< list > &adjlist, int n)
{
  priority_queue, greater > pq;
  node heap[n+1];
  for(long int i=1; i<=n; i++)
  {
heap[i].data = i;
heap[i].distance = MAXINT;
heap[i].parent = -1;
  }

  long int start = 1;
  heap[start].distance = 0;
  pq.push(heap[start]);

  while(!pq.empty())
  {
node top = pq.top();   pq.pop();
//cout << "popped :" << top.data << " " << endl;
if(top.distance <= heap[top.data].distance)
{
  //cout << "Traversed " << endl;
  TR(adjlist[top.data], it)
  {
   if(heap[it->data].distance > it->cost)
   {
heap[it->data].distance = it->cost;
heap[it->data].parent = top.data;
pq.push(heap[it->data]);
   }
  }
}
  }

  long int sum = 0;
  for(int i=1; i<=n; i++)
  sum += heap[i].distance;
  return sum;
}

/*
Input:
2

4
gdansk
2
2 1
3 3
bydgoszcz
3
1 1
3 1
4 4
torun
3
1 3
2 1
4 1
warszawa
2
2 4
3 1

3
ixowo
2
2 1
3 3
iyekowo
2
1 1
3 7
zetowo
2
1 3
2 7

Output:
3
4
*/

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Fast Python in Programming Contests

How can the execution time of python program be increased in
programming contest so that we dont get TLE for gud algos..
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[algogeeks] Re: spoj NKTM

2011-06-15 Thread KK

This q increased my score by directly 3 points... and thats a huge
one.. :D
@ kartik - Do it by priorty queue for better efficiency..

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[algogeeks] Re: Finding total number of inversions in an array in O(nlogn) complexity .

2011-06-15 Thread KK

Thanks Harshal!!
Actually changing juzz count from int to long long suffices

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[algogeeks] Re: HASHIT

2011-06-15 Thread KK

Thanks dude!!

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[algogeeks] Re: Finding total number of inversions in an array in O(nlogn) complexity .

2011-06-14 Thread KK

This code is not getting AC on spoj.. m not able to point out the
error plzzz help.
Here is the link to this problem at spoj : http://www.spoj.pl/problems/INVCNT/


#include
#include
#include
#include
using namespace std;

void MergeSort(vector &v, int p, int r);
void Merge(vector &v, int p, int q, int r);
void PrintArray(vector v);

int count;

int main()
{
extern int count;
int n, i, t;
vector v;

//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);

cin >> t;
while(t--)
{
getchar();
count = 0;
scanf("%d",&n);
v.resize(n);

for(i=0; i &v, int p, int r)
{
 if(p < r)
 {
  int q = (p+r)/2;
  MergeSort(v,p,q);
  MergeSort(v,q+1,r);
  Merge(v,p,q,r);
 }
}

void Merge(vector &v, int p, int q, int r)
{
 extern int count;
 int i, j, k;
 vector v1, v2;
 v1.resize(q-p+1);
 v2.resize(r-q);

 k=0;
 for(i=p; i<=q; i++)
 v1[k++] = v[i];

 k=0;
 for(i=q+1; i<=r; i++)
 v2[k++] = v[i];

 v1.push_back(INT_MAX);
 v2.push_back(INT_MAX);

 i=0; j=0;
 for(k=p; k<=r ;k++)
 {
  if(v1[i] < v2[j])
  {
  v[k] = v1[i++];
  count += j;  // when taking element from 1st array
Incrementing count by no of elements already taken from 2nd array
  }
  else
  v[k] = v2[j++];
 }
}
void PrintArray(vector &v)
{
 int i,n = v.size();
 for(i=0; ihttp://groups.google.com/group/algogeeks?hl=en.

Re: [openflow-discuss] OpenRoads: implementation in a virtual environment

2011-06-13 Thread kk yap

Hi Landy,

I am not sure if mininet support wireless emulation.  The last time I asked,
the answer was no.  You can ask on mininet-discuss mailing list.
 OpenFlowVMS is a deprecated package, so I would discourage that.

One other way to get started is to use Openwrt with OpenFlow, but that would
involve some hacking to get the SNMP through and so on.

Sorry, I don't seem to have a clean solution for your situation at this
point.

Regards
KK

On 13 June 2011 12:15, man monaco  wrote:

> Hello,
>
> I was trying to test OpenRoads, but i couldn't obtain all required physical
> resources (i.e: OF switches AP's, WiMAX BS).
>
> Is there a way to implement OpenRoads in a virtual environment? using
> mininet to simulate the wireless network and to create wireless hosts who
> can hand off from on AP to another?
>
> Thanks,
> Landy
>
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[hexayurt] Re: Ferrocement

2011-06-13 Thread KK

A few companies make this type of deal. I saw them YEARS ago:

http://www.solarcrete.com/insulated-concrete-wall.php

They can be very large slabs with foam core and wire "skeleton" on
them.
You spray a few inches of concrete on the inside and outside.
The foam slab core creates the thermal break for you.
There are versions that don't use a steel frame, just interlocking
wire.

Look at this page and the following pics:
http://www.solarcrete.com/pre-fabrication-wall-panels.php


The reason I suggest Doug Lacy's thin shell method is that complete
DIY is in YOUR hands.
Plus, 4" foam slabs are EXPENSIVE. They are made from oil, nuff said.
His foamed concrete core might have good enough insulation value. It
gets COLD here in NM at high altitude. His buildings are being done at
7,000 ft. It snows, etc.

http://flic.kr/s/aHsjuqtG6e

Check this pic. He is building HUGE structures:
http://flic.kr/p/5VKUZR

He had his mix tested. 12,000psi:
http://flic.kr/p/9CCbtD




On Jun 13, 5:47 am, "Vinay Gupta (Hexayurt Shelter Project)"
 wrote:
> Ah that's interesting stuff, the Buildblock.com - different in that
> the concrete goes inside of the form, where as I'm hoping to spray it
> outside, but the same basic routine.
>
> Good find!
>
> V>
>
>
>
>
>
>
>
>
>
> On Sun, Jun 12, 2011 at 1:04 AM, Cody Firestone <4x4c...@gmail.com> wrote:
> > they make commercial forms for this already, here is a link.
> > they have these big foam blocks which snap together, and they have webbings
> > to be able to drill into the called furring strips..
> >http://www.buildblock.com
>
> > On Sat, Jun 11, 2011 at 9:11 AM, Vinay Gupta (Hexayurt Shelter Project)
> >  wrote:
>
> >> Oh, wow, you've done ferro, Cody! I've only read about it, but from
> >> what I've read, I'm convinced it's the Right Answer for permanent
> >> hexayurts!
>
> >> What do you think? 4" of polyiso or polystyrene (even
> >> pinkboard/blueboard), wire ties to hold it all together, then
> >> ferrocement over the top and on the inside? Is that plausible?
>
> >> V>
>
> >> --
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> >> "hexayurt" group.
> >> To post to this group, send email to hexayurt@googlegroups.com.
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>
> > --
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>
> --
> Vinay Gupta
> Free Science and Engineering in the Global Public Interest
>
> http://hexayurt.com- free/open next generation human 
> shelteringhttp://hexayurt.com/plan- the whole systems, big picture vision
>
> "In the midst of winter, I finally learned that there was in me an
> invincible summer" - Albert Camus
>
> Twitter/Skype/Gizmo/Gtalk/AIM: hexayurt
> UK Cell : +44 (0) 7500 895568 / USA VOIP (+1) 775-743-1851

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[algogeeks] Re: Swapping two variables without using a temporary variable

2011-06-12 Thread KK

@kunal
Actually its not same value its the same variable and it arises only
if u code the given way(and some people do it this way)

void swap(int &a, int &b)
{
 a ^= b ^= a ^= b;
}

now we have
int a = 10;

swap(a, a)

This will set a's value to 0...and this happens while sorting arrays
when u pass the same index values...
Conclusion:  Either code as given in above Q or use the temporary
var...

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[algogeeks] Re: FOR ALL INDIANS PLZ READ IT

2011-06-11 Thread KK

It works!!
Shame on u Umer Farooq u cant even give a call a no for ur nation
whereas other are on hunger strike... even if this is algo group so
whats the problem???...  m sorry to say this...

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[algogeeks] Re: Swapping two variables without using a temporary variable

2011-06-11 Thread KK

It wont give correct answer when u pass same values of a and b and
such conditions arises in sorting


--
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[hexayurt] Re: Ferrocement

2011-06-11 Thread KK

Doug Lacy in Silver City, NM does thin shell ferrocement type things.
Using cellular "foamed" concrete (air bubble filled) for insulation
between the "shells".
Cellular concrete can be used for bullet stops.

http://www.shambhalavillage.com/index.html

Youtube vids explaining his method and how to mix:
http://www.youtube.com/user/ShambhalaVillage#p/u

I think he took the idea from "Ferrocement" boat hulls?
His method looks perfect. I was supposed to go in July to film a few
things.
It's $3 a square foot in materials to use his method. Direct info from
him.

On Jun 11, 8:11 am, "Vinay Gupta (Hexayurt Shelter Project)"
 wrote:
> Oh, wow, you've done ferro, Cody! I've only read about it, but from
> what I've read, I'm convinced it's the Right Answer for permanent
> hexayurts!
>
> What do you think? 4" of polyiso or polystyrene (even
> pinkboard/blueboard), wire ties to hold it all together, then
> ferrocement over the top and on the inside? Is that plausible?
>
> V>

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Re: PyQt

Thanks for the reply!!
i ve installed the binary
but when i import anything of PyQt in my prog it says error??
i think there is some problem with folders
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[algogeeks] Re: SPOJ THRBL

Search Topcoder Tutorial Range Minimum Query @ Google...
By few intuitive changes u can implement Range Maximum Query as well...

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[algogeeks] HASHIT

This is the link to the SPOJ problem HASHIT : 
http://www.spoj.pl/problems/HASHIT/
i donno whts the mistake... i keep getting wrong answer even though
the Q is Straightforward :(

#include
#include
using namespace std;

int hash(string str)
{
int sum = 0;
int len = str.size();
for(int i=0; i> t;
while(t--)
{
 int n, count = 0;
 string array[101], temp;
 for(int i=0; i<101; i++)
  array[i] = "";
 cin >> n;

 while(n--)
 {
  cin >> temp;
  string opr = temp.substr(0, 3);
  if(opr == "ADD")
  add(array, temp.substr(4, temp.size() - 4), count);
  else
  d(array, temp.substr(4, temp.size() - 4), count);
 }

 cout << count << endl;

 for(int i=0; i<101; i++)
 {
   if(array[i] != "")
   cout << i << ":" << array[i] << endl;
 }
}
//system("pause");
return 0;
}

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PyQt

I have python 3.2 installed m not able to install PyQt.
i have downloaded and configured sip but how to build it???
whats the make and make install given on the installation
Plzzz help m a newbie to python
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Re: [openflow-discuss] OpenRoads:SNMP

2011-06-08 Thread kk yap

Hi Landy,

As explained (probably deep in the details), some configuration and event
are triggered using SNMP.

For example, for a switch to know of a client in OpenFlow, we have to look
at packet-in from the client.  This can take a while, esp. for clients that
does not perform DHCP upon association.

By using something like SNMP, we can send a SNMP trap/inform when the client
associate with the AP or base-station.  This allows for a much faster
reaction to a client association, thus improving handover.

Hope the explanation is clear.

Regards
KK

On 8 June 2011 22:47, man monaco  wrote:

> Hello,
>
> Am trying to understand the details about what/when messages are exchanged
> between AP's and controller that creates the smooth hand off. Specifically,
> how SNMP contributed in improving the hand off in OpenRoads?
>
> I'll Appreciate it, if you could guide me to a paper/wiki-page that explain
> the procedure.
>
> Note that, i already read the following papers.
>
> 1. OpenRoads-Empowering Research in Mobile Networks Abstract-(Best Poster
> at SIGComm 2009)
> 2. The Stanford OpenRoads Deployment presented at WiNTECH 2009.
> 3. Blueprint for Introducing Innovation into Wireless Mobile
> Networks presented at VISA 2010.
>
> Thanks,
> Landy
>
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[openflow-discuss] Inconsistency of semantics in match and action for ARP

2011-06-08 Thread kk yap

Hi,

Just wanted to bring this up to archive the issue for consideration
later and as a cautionary note to those dealing with ARP using
OpenFlow.  The specific issue pertains to clarity and consistency of
the OpenFlow specs.

In OpenFlow (up till v1.1), we allow IP addresses in ARP to be match
using ofp_match's nw_src and nw_dst.  This is very useful for working
with ARP in an actual network. However, the corresponding rewrite
action (i.e., set_nw_src and set_nw_dst) does not work with ARP, since
ARP is not an IP packet with the addresses located in the payload.
This creates an inconsistency from the view of the programmer:

E.g., I wanted to match on a certain IP address and rewrite it to
another.  Naively, I would send a flow_mod with
 (if nw_dst == A, then rewrite_nw_dst to B).
The flow will match fine, but no rewrite action would be done.
However, the same semantics will work perfectly for all IP packets.
This inconsistency extends to the Ethernet addresses in the ARP
packets too, because the hardware addresses in the ARP payload will
not be updated.

While "non-detrimental", this behavior might catch people by surprise,
so I hope those who work on the next iteration of the spec can look
into how the situation can be improved (if applicable).

FYI.

Regards
KK
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Re: [QUAD-L] I was evacuated from my apartment (almost)

2011-06-07 Thread KK

Bobbie, I live in Houston area.  When there is a hurricane there is a special 
team that will evacuate me & any others on their list of special needs 
clients.  Now I have newer had to use this service so not sure it works well.  
It is supposed to have places for me & my care taker.  

If we ever have another hurricane, I'll keep you informed.

KK

Re: [QUAD-L] table top hand bike

2011-06-07 Thread KK

I use an Oxy Cycle that cost $100 from Allegromedical.com

KK

--- On Tue, 6/7/11, bob quinn  wrote:

From: bob quinn 
Subject: Re: [QUAD-L] table top hand bike
To: "Todd Daugherty" , "quad list" 

Date: Tuesday, June 7, 2011, 1:09 PM

I bought a "Magneciser" for about $150 that I like very
much.

http://www.amazon.com/Chattanooga-Magneciser-Arm-Pedal-Exerciser/dp/B003YR6DDE/ref=sr_1_1?ie=UTF8&qid=1307469804&sr=8-1

My only complaint is that one strap broke after about a year.

p.s. It is sad how so-o-o-o many companies seek to profit off the
disabled and infirm.

At 12:15 PM 6/7/2011, Todd Daugherty wrote:

I am looking around for a hand
cycle that will fit on a table and they are all over $800?  wtf is
the matter with these people?

[hexayurt] Cutting guides and contact cement

2011-06-06 Thread KK

Regarding cutting guides, you can buy a 8 foot aluminum cutting guide
in the ruler/bubble level section of Home Depot. They clamp to wood
and allow you to run a knife along to do long straight cuts.

This model is the only one shown online:

Empire No. 900, 8 ft. x 6 in. Pro's Edge Wide Aluminum Cutting Guide

http://www.homedepot.com/h_d1/N-5yc1v/R-100134266/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053

Mine was different and does not "bow in the middle". Investigate these
types of cutting guides on your own. Or go to a metal retailer and buy
a 8 foot piece of 1/8" thick aluminum to make your own super long
straight edge. Get one that's wide so it's easier to pin down with
your hand. Though $20 at Home Depot is cheap. I'm sure you can make it
work for handheld knife cuts. Also find Tajima cutter knives like this
one:

http://www.tajimatool.com/products/snapblade/rh_single_blade/view.php?page=all

The Tajima LC-650 and LC-661 are great. Get the 10 pack of blades for
them if you find one.
Dial lock is superior to the Stanley lock, but a Stanley MAX cutter
from HD will work fine if it's all you can get.

Contact cement $40 a gallon:
http://www.amazon.com/25316-Weldwood-Formula-Contact-Cement/dp/accessories/B0006MUPY8

Now, some say the DAP stuff is not good. For $75 a gallon you can get
Barge brand:

http://www.amazon.com/GALLON-BARGE-Contact-Adhesive-GLUE/dp/B0032Z39TO/ref=pd_rhf_p_t_2

The more expensive, nastier stuff works. Talk to flooring and laminate
cabinet/countertop shop guys. You are "laminating" after all ;)

Look in better local hardware stores. The big box places are a fail
most days.

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[hexayurt] Re: Walls

2011-06-05 Thread KK

On Jun 3, 11:22 am, Cheese  wrote:
  If anyone
> knows what type of adhesive will work best attaching the wood wall
> panel to the 3/4" Thermasheath, I would love to hear it.

Fiberglass RV's use Stabond contact adhesive for Filon siding to foam/
wood. I don't know what exact Stabond part number is foam compatible:

http://www.all-rite.com/stabond-t440-p-130.html

http://www.outbackteardrop.com/body4.html

Apply with roller to both pieces and let it dry slightly 5-45 mins.
Then stick foam to wood. It will grab instantly and permanently.
Test first for foam compatibility then practice before gluing.

Also, use pink or blue foam board. It keeps it's R value WAY longer
than foil foam board. Foil foam boards absorb moisture and degrade
over time. Pink and blue do not. Dow has all the math and documents on
this.

Plus pink and blue foam are much less flammable.

There is another way to make your own super tough bonded panels. I
won't go into it here though.

More info on foam to wood:

Foam pads should be glued to your kayak with contact cement, but not
all of these glues are suitable. Some brands have recently been
reformulated for safety or environmental reasons. Many are not
waterproof and lack holding power. Use a commercial-grade waterproof
contact cement. It is flammable, nasty-smelling stuff! Hydrogrip
Adhesive, Shore Adhesive, Sea Bond, Sta-Bond, and Shoemaker's "Barge
Cement" are all good choices. No smoking in the shop, please!

Contact cement can be pretty unforgiving to work with. You only get
one chance to position a pad correctly; then, like it or not, it's
stuck.

There was another common contact cement I found in gallons. It was for
RV use too. Will have to look for the link.

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Re: [openflow-discuss] LAVI : Installing a sample flow in a open flow switch using NOX

And I did not know that.  Fantastic!  Thanks!  This will help all of us greatly.

Regards
KK

On 2 June 2011 15:19, Ben Pfaff  wrote:
> On Thu, Jun 02, 2011 at 01:30:31PM -0700, kk yap wrote:
>> Is there any reason why ovs-ofctl does not work for you (e.g., you
>> don't use ovs)?
>
> For what it's worth, ovs-ofctl is intended to work with any OpenFlow
> 1.0 switch, whether that switch is Open vSwitch or not (and I'd accept
> bug reports on that basis).
>
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Re: [nox-dev] [openflow-discuss] LAVI : Installing a sample flow in a open flow switch using NOX

Hi,

Starting with a rant: I believe this is related (or the same) as the
thread on nox-dev
(http://noxrepo.org/pipermail/nox-dev/2011-June/007611.html).  It
might be advisable not to cross-post questions.

To be clear, LAVI is a GUI backend in NOX.  And nox-gui.py and ENVI
are the front end GUI.  The short answer here is no, you cannot
install flow rules using GUI in NOX---as Kyriakos has previously
mentioned in nox-dev.  The GUI shows statistics and the topology of
the network.

Is there any reason why ovs-ofctl does not work for you (e.g., you
don't use ovs)?

Regards
KK

Disclosure>> I wrote LAVI, so I can be irritating when it comes to
reference to it.  Pardon me here.

On 2 June 2011 11:23, kashyap TA  wrote:
> Hi,
>     I read that LAVI is a GUI for NOX. How do I install this along with nox.
> I am not able to find much installation guide. Can I program flows using
> LAVI into NOX which intunr would intall flows into the openflow switch. I
> need to program a smaple flow where a packet coming from a particular port
> and with a particular mac need to forwarded to a particular port and
> remaining all traffic needs to be flooded in the vlan. Please do let me
> know.
>
>
> Thans and Regards
> Kashyap
>
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Re: [openflow-discuss] LAVI : Installing a sample flow in a open flow switch using NOX

Hi,

Starting with a rant: I believe this is related (or the same) as the
thread on nox-dev
(http://noxrepo.org/pipermail/nox-dev/2011-June/007611.html).  It
might be advisable not to cross-post questions.

To be clear, LAVI is a GUI backend in NOX.  And nox-gui.py and ENVI
are the front end GUI.  The short answer here is no, you cannot
install flow rules using GUI in NOX---as Kyriakos has previously
mentioned in nox-dev.  The GUI shows statistics and the topology of
the network.

Is there any reason why ovs-ofctl does not work for you (e.g., you
don't use ovs)?

Regards
KK

Disclosure>> I wrote LAVI, so I can be irritating when it comes to
reference to it.  Pardon me here.

On 2 June 2011 11:23, kashyap TA  wrote:
> Hi,
>     I read that LAVI is a GUI for NOX. How do I install this along with nox.
> I am not able to find much installation guide. Can I program flows using
> LAVI into NOX which intunr would intall flows into the openflow switch. I
> need to program a smaple flow where a packet coming from a particular port
> and with a particular mac need to forwarded to a particular port and
> remaining all traffic needs to be flooded in the vlan. Please do let me
> know.
>
>
> Thans and Regards
> Kashyap
>
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Re: [nox-dev] nox_core command line options

This?  :)

http://noxrepo.org/~yapkke/doc/classnox_1_1lib_1_1core_1_1Component.html

Regards
KK

On 2 June 2011 00:45, Murphy McCauley  wrote:
> Oh, great thought, KK!
>
> Note, however, that this does not show Python-only components.
>
> -- Murphy
>
> On Jun 2, 2011, at 12:41 AM, kk yap wrote:
>
>> For list of components, you can try this:
>>
>> http://noxrepo.org/~yapkke/doc/classvigil_1_1container_1_1Component.html
>>
>> Regards
>> KK
>>
>> On 2 June 2011 00:36, Murphy McCauley  wrote:
>>> Probably the best resource is on the wiki: 
>>> http://noxrepo.org/noxwiki/index.php/Using_NOX
>>>
>>> There is also a little about it in the rst-based manual.  The source for 
>>> this in the repository (doc/manual/source/using.rst), and there's an old 
>>> version online at http://noxrepo.org/manual/using.html .  I don't think 
>>> this tells you much that isn't in "nox --help", though.
>>>
>>> Probably the most interesting part of the commandline isn't anything to do 
>>> with options, though, and has to do with which NOX components you run 
>>> (e.g., pyswitch, routing, etc.).  The wiki article above and 
>>> http://noxrepo.org/noxwiki/index.php/NOX_Components talk some about this, 
>>> but the definitive reference about which components are available is in the 
>>> meta.json files.
>>>
>>> Hope that helps.
>>>
>>> -- Murphy
>>>
>>> On Jun 1, 2011, at 3:25 AM, xbalaji wrote:
>>>
>>>> Is there a man/info page for nox_core which describes various command line
>>>> options available?
>>>>
>>>> Thanks and Regards,
>>>> Balaji
>>>>
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Re: [nox-dev] nox_core command line options

For list of components, you can try this:

http://noxrepo.org/~yapkke/doc/classvigil_1_1container_1_1Component.html

Regards
KK

On 2 June 2011 00:36, Murphy McCauley  wrote:
> Probably the best resource is on the wiki: 
> http://noxrepo.org/noxwiki/index.php/Using_NOX
>
> There is also a little about it in the rst-based manual.  The source for this 
> in the repository (doc/manual/source/using.rst), and there's an old version 
> online at http://noxrepo.org/manual/using.html .  I don't think this tells 
> you much that isn't in "nox --help", though.
>
> Probably the most interesting part of the commandline isn't anything to do 
> with options, though, and has to do with which NOX components you run (e.g., 
> pyswitch, routing, etc.).  The wiki article above and 
> http://noxrepo.org/noxwiki/index.php/NOX_Components talk some about this, but 
> the definitive reference about which components are available is in the 
> meta.json files.
>
> Hope that helps.
>
> -- Murphy
>
> On Jun 1, 2011, at 3:25 AM, xbalaji wrote:
>
>> Is there a man/info page for nox_core which describes various command line
>> options available?
>>
>> Thanks and Regards,
>> Balaji
>>
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Re: [nox-dev] Nox Application with dijkastra

2011-05-25 Thread kk yap

Sorry.  None of this make sense to me.  This is my understanding of
how the modules work in NOX:

* The spanning tree module calculates the spanning tree and set the
flood bits for the port config accordingly.  That's all it does.  No
path calculation, etc.

* And the routing module is really just calculating the shortest path
routing, like Dijkstra.  Nothing else there.  Read the paper if you
want to know why this implementation is better than pure Dijkstra
algorithm.

* However, if you look at the sprouting module and its Python
equivalent, they install routes.  The problem here with loops is that
these modules (not routing_mod) is not handling multicast and
broadcast packets (along with packets with unknown destinations)
properly for a topology with loop.

Feel free to correct me.  I might just be super out of touch here.

Regards
KK

On 25 May 2011 14:55, Murphy McCauley  wrote:
> If you wanted to compare against something that already exists, the only thing
> I can think if would be the routing module along with the spanning tree
> module.
>
> -- Murphy
>
> On Sunday, May 22, 2011 06:44:15 AM marwen mechtri wrote:
>> Hi all,
>>
>> could you tell me please if there is a module that calculates the shortest
>> path (it handles loops).
>>
>> Best regards
>> Marwen
>>
>> 2011/5/20 marwen mechtri 
>>
>> > Hi all
>> >
>> > Thank you for your replay.
>> >
>> > I said "the module don't give any result" because when I ping form source
>> > host the destination is not reachable. I think it's a problem of loop,
>> > because in a partial mesh I have many path from source to destination.
>> >
>> > I developed a Nox application and one of the feature of this application
>> > is to instantiate path from source to destination. And I would like to
>> > evaluate my module with another existing module in Nox. that's why I'm
>> > looking for an application developed with Nox to do this evaluation.
>> >
>> > Thanks in advance
>> > Marwen
>> >
>> > 2011/5/19 Murphy McCauley 
>> >
>> >> What do you mean by "don't give any result"?
>> >>
>> >> Do you have NOX working on topologies besides your partial mesh one?
>> >>
>> >> You'll need to have the topology component and probably the discovery
>> >> component running, so please make sure they are (start nox with -v or -v
>> >> -v).
>> >>
>> >> Your problem may be that the routing module does not deal well with
>> >> loops. There is a spanning tree component that aims to fix this.  You
>> >> can find it at
>> >> http://www.openflow.org/wk/index.php/Basic_Spanning_Tree .  It will take
>> >> a
>> >> little tweaking to get it running on current releases of NOX, but I
>> >> think it's
>> >> mostly just changing the meta file (you can try the meta file conversion
>> >> script,
>> >> which should be in the scripts directory in the destiny branch if I
>> >> remember
>> >> right).
>> >>
>> >> -- Murphy
>> >>
>> >> On Thursday, May 19, 2011 05:13:17 AM marwen mechtri wrote:
>> >> > Hi all,
>> >> >
>> >> > I'm exploring "routing", "sample_routing" and "switch" module of Nox
>> >> > but when I configure a partial mesh network this modules don't give
>> >> > any
>> >>
>> >> result.
>> >>
>> >> > Could you tell me if this modules use dijkstra to calculate Path
>> >> > between source and destination. And if not, do you know a module that
>> >> > use
>> >>
>> >> dijkstra
>> >>
>> >> > or any kind of method to calculate source to destination Path, could
>> >> > you please give me its name.
>> >> >
>> >> > Thinks
>> >> > Best regards
>> >> > Marwen
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Re: [openflow-discuss] openFlowVMS!!!

2011-05-25 Thread kk yap

Hi Ali,

First thing (and I think I have said to you a few times now),
OpenFlowVMS is a deprecated package.  Take a look at mininet.

OpenFlowVMS uses a read-only filesystem so that all the VM can share
an image.  So, you have two choice.  Make VMS run in read-write mode
(i.e., remove the -snapshot option) or make your code only read and
send, and not write to the filesystem.

Hope that helps.

Regards
KK

On 25 May 2011 07:50, Ali hussain  wrote:
> Hey,
>Well i am having trouble running my own client-server code on
> Openflow VMS. i have created an xml topology(giveb below) in which there are
> 2 clients a server and an openflow switch.i have stored the .c files of
> server and client in the Client1.cd and Server1.cd folder in openflow vms
> respectively.After giving the command vms-start.py i try to run the
> gcc-server -o server command after going in the /cdrom directory but it
> gives an error as file cannot be file:Read only file system.But by
> copying(moving) both client .c and server .c  in a /tmp directory the
> command runs but the server is unable to transfer any data to any of the
> client.Running packet dump shows no packet.
>
> Commands on Serverside
> gcc server -o server
> ./server 23456(port)
>
> Command on CLient side
> gcc client -o client
> ./client localhost 23456(port)
>
> Whereas if u run the same client server code on the linux terminal it works
> fine.
>
> Thank you
> Ali Hussain
>
> XML
> 
> 32
>
> 
> true
> 
> -
>
> 
> true
> 
> -
> 
> 192.168.0.1
> 
> 
>
> -
> 
> true
> -
> 
> 192.168.0.10
> 
> 
> -
>
> 
> true
> -
> 
> 192.168.0.100
> 
> 
> -
>
> 
> 
> 
>
>
> 
>
>
>
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Re: [openflow-discuss] How do you handle error messages? As

2011-05-23 Thread kk yap

Hi Ward,

Won't this all depends on the TCP state the connection is in when the
message is sent?  E.g., is Nagle bring turned on?  What is the window
size? And so on.  If you want, one way to understand this better is to
look at the messages on wireshark.

Regards
KK

PS>> OpenFlow ia a protocol that can theoretically be associated with
any transport mechanism.  You would have an easier time understanding
them independently before deciphering their interaction.

On 23 May 2011 03:17, Ward hussen  wrote:
> HI KK
>
>>>You do not need to tweak TCP options for this.  It is usu. done in an
>>> async manner.  If you are using a controller like NOX, then this
> should not really be of much concern.  Are you whipping up a new controller?
>
> I did not understand the above statement completely. Do you mean that NOX
> sends flow_mod packets asynchronously? Does TCP connection not wait for ack
> of first FLOW_MOD and then send the 2nd packet?
>
>  If it is asynchrous. Is the TCP connection at NOX just wait for propagation
> time for sending second FLOW_MOD?
>
> thanks,
>
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Re: [ovs-discuss] Bug Report: Cookie returned is always zero

Thanks for the clarification.

Regards
KK

On 20 May 2011 16:44, Ben Pfaff  wrote:
> I pushed the patch.
>
> You can tell that both "cookie" members are in network byte order by
> looking at the types: both are declared as type ovs_be64 (the "be"
> stands for "big-endian").
>
> On Fri, May 20, 2011 at 04:41:21PM -0700, kk yap wrote:
>> Hi Ben,
>>
>> The patch works!  Thanks.
>>
>> One strange thing is the lack of htonll.  It would seems like fr is in
>> host order and ofr is in network order, so the function is needed.
>> However, adding the function gives the wrong result.  FYI.
>>
>> Regards
>> KK
>>
>> On 20 May 2011 16:08, Ben Pfaff  wrote:
>> > On Fri, May 20, 2011 at 04:03:49PM -0700, kk yap wrote:
>> >> We are sending flow_mod with some cookie value (e.g., deadbeef), but
>> >> all the flow_removed returns with cookie 0. ?A sample tcpdump of the
>> >> OpenFlow control traffic is attached.
>> >
>> > I like bugs that are easy to track down. ?Please try this patch:
>> >
>> > --8<--cut here-->8--
>> >
>> > From: Ben Pfaff 
>> > Date: Fri, 20 May 2011 16:07:12 -0700
>> > Subject: [PATCH] ofp-util: Include cookie when encoding OFPT_FLOW_REMOVED
>> > ?messages.
>> >
>> > Reported-by: kk yap 
>> > ---
>> > ?lib/ofp-util.c | ? ?1 +
>> > ?1 files changed, 1 insertions(+), 0 deletions(-)
>> >
>> > diff --git a/lib/ofp-util.c b/lib/ofp-util.c
>> > index 5004063..b376d14 100644
>> > --- a/lib/ofp-util.c
>> > +++ b/lib/ofp-util.c
>> > @@ -1378,6 +1378,7 @@ ofputil_encode_flow_removed(const struct 
>> > ofputil_flow_removed *fr,
>> > ? ? ? ? ofr = make_openflow_xid(sizeof *ofr, OFPT_FLOW_REMOVED, htonl(0),
>> > ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? &msg);
>> > ? ? ? ? ofputil_cls_rule_to_match(&fr->rule, &ofr->match);
>> > + ? ? ? ?ofr->cookie = fr->cookie;
>> > ? ? ? ? ofr->priority = htons(fr->rule.priority);
>> > ? ? ? ? ofr->reason = fr->reason;
>> > ? ? ? ? ofr->duration_sec = htonl(fr->duration_sec);
>> > --
>> > 1.7.4.4
>> >
>> >
>
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Re: [ovs-discuss] Bug Report: Cookie returned is always zero

Hi Ben,

The patch works!  Thanks.

One strange thing is the lack of htonll.  It would seems like fr is in
host order and ofr is in network order, so the function is needed.
However, adding the function gives the wrong result.  FYI.

Regards
KK

On 20 May 2011 16:08, Ben Pfaff  wrote:
> On Fri, May 20, 2011 at 04:03:49PM -0700, kk yap wrote:
>> We are sending flow_mod with some cookie value (e.g., deadbeef), but
>> all the flow_removed returns with cookie 0.  A sample tcpdump of the
>> OpenFlow control traffic is attached.
>
> I like bugs that are easy to track down.  Please try this patch:
>
> --8<--cut here-->8--
>
> From: Ben Pfaff 
> Date: Fri, 20 May 2011 16:07:12 -0700
> Subject: [PATCH] ofp-util: Include cookie when encoding OFPT_FLOW_REMOVED
>  messages.
>
> Reported-by: kk yap 
> ---
>  lib/ofp-util.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/lib/ofp-util.c b/lib/ofp-util.c
> index 5004063..b376d14 100644
> --- a/lib/ofp-util.c
> +++ b/lib/ofp-util.c
> @@ -1378,6 +1378,7 @@ ofputil_encode_flow_removed(const struct 
> ofputil_flow_removed *fr,
>         ofr = make_openflow_xid(sizeof *ofr, OFPT_FLOW_REMOVED, htonl(0),
>                                 &msg);
>         ofputil_cls_rule_to_match(&fr->rule, &ofr->match);
> +        ofr->cookie = fr->cookie;
>         ofr->priority = htons(fr->rule.priority);
>         ofr->reason = fr->reason;
>         ofr->duration_sec = htonl(fr->duration_sec);
> --
> 1.7.4.4
>
>
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[ovs-discuss] Bug Report: Cookie returned is always zero

Hi,

We are back!  :P

We are sending flow_mod with some cookie value (e.g., deadbeef), but
all the flow_removed returns with cookie 0.  A sample tcpdump of the
OpenFlow control traffic is attached.

The OVS version we are using has last commit
c64540e3fe43a83bbe8687c53fb7fdec95b94195.  It was previously working,
FYI.

Regards
KK and TY


cookie-bug.pcap
Description: application/extension-pcap
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Re: [openflow-discuss] How do you handle error messages? As Sync or Async ?

Hi,

The choice is yours.

To do a synchronous call, send the flow_mod followed up a
barrier_request.  You will get the barrier_reply back.

To do asynchronous calls, just send the flow_mod and wait for error
messages.  The error messages should carry the same xid (transaction
id) as the flow_mod and the flow_mod generated the error.

You do not need to tweak TCP options for this.  It is usu. done in an
async manner.  If you are using a controller like NOX, then this
should not really be of much concern.  Are you whipping up a new
controller?

Regards
KK

On 20 May 2011 13:11, G A  wrote:
> Hi all
>
> What is the expected/standard way to handle error messages to flow_mod 
> requests?
>
> If they are treated as SYNC messages, then my application would have to wait 
> for
> an ack. But if the switch has happily accepted the flow_mod, it does not send
> back anything - causing my app to hang forever.
>
> If they are treated as ASYNC messages, then my application fires off a 
> flow_mod
> and hopes all's well and goes about doing other things.  Sometime later an 
> async
> error message might be received.  Now my app's in trouble since I have already
> done things I shouldn't have and rolling back can be messy.
>
> One workaround to this might be:  Send a flow_mod message. Set socket.timeout
> for a second maybe and if nothing arrived yet, then we can safely assume all's
> well.  But this seems to be a very bad hack since the app has to wait
> unnecessarily even if things have gone well.
>
> Any other suggestions ?
>
> regards
> Gopal Agrawal
>
>
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Re: [nox-dev] Res: Nox Application with dijkastra

2011-05-19 Thread kk yap

Hi,

I am not sure what is meant by OSPF here.  Routing_module uses the
method described in "A New Approach to Dynamic All Pairs Shortest
Paths" by C. Demetrescu.  A little more description can be found in
the documentation:

http://noxrepo.org/~yapkke/doc/classvigil_1_1applications_1_1Routing__module.html#_details

Regards
KK

On 19 May 2011 07:45, fernando farias  wrote:
> Hi Marwen
> There is a project called initially of QuagFlow and now RouteFlow that is
> able to use route protocols (OSPF, BGP, RIP ...) together with NOX.
> http://chesteve.wordpress.com/2010/07/07/quagflow-the-softrouter-reloaded-or-partnering-quagga-with-openflow/
> Thx
> Fernando N. N. Farias
>
> Electrical Engineer PhD. Student
> Member of the Research Group on Computer Networks and Multimedia
> Communications - GERCOM/UFPA
> Optical Research Team - GERCOM
> Federal University of Pará
> "Primeiro eles o ignoram.
> Depois, riem de você.
> Chega um ponto em que lutam contra voce.
> Ate o dia em que você vence." Gandhi
>
> 
> De: Ricardo Bennesby 
> Para: marwen mechtri 
> Cc: nox-dev@noxrepo.org
> Enviadas: Quinta-feira, 19 de Maio de 2011 9:57:21
> Assunto: Re: [nox-dev] Nox Application with dijkastra
>
> Hi Marwen.
>
> Nox routing implements OSPF protocol and It is based on Dijkstra algorithm
> (also called SPF). In this algorithm, the component knows the data of all
> nodes in the network.
>
> Hope it helped.
>
> Best Regards.
>
> 2011/5/19 marwen mechtri 
>>
>> Hi all,
>>
>> I'm exploring "routing", "sample_routing" and "switch" module of Nox but
>> when I configure a partial mesh network this modules don't give any result.
>> Could you tell me if this modules use dijkstra to calculate Path between
>> source and destination. And if not, do you know a module that use dijkstra
>> or any kind of method to calculate source to destination Path, could you
>> please give me its name.
>>
>> Thinks
>> Best regards
>> Marwen
>>
>>
>>
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>
>
>
> --
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> Ciência da Computação - UFAM
> LabCIA - Laboratório de Computação Inteligente e Autonoma
>
>
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Re: [ovs-discuss] Inaccurate statistics in flow_removed struct using OpenvSwitch

2011-05-18 Thread kk yap

Hi,

Thanks for the very fast response.  TY tested the code and it worked.

Regards
KK

On 18 May 2011 12:55, Ethan Jackson  wrote:
>> Looking at the code, ovs-openflowd returns facet + stat as packet
>> count for the flow removed.  The number recorded by facet is correct,
>> but the sum of the value exceed the real value.  This occurs at the
>> facet_update_stats function.  What is the purpose of the addition?
>> Can we expect accurate statistics from OVS?
>
> I should have responded to this question in my previous email.  Packet
> statistics are recorded in a best-effort fashion.  In general they
> should be accurate, but there is no hard guarantee that they are
> especially in certain edge cases involving complex flow tables
> including resubmit actions.  In short, you should expect accurate
> statistics from OVS noting the aforementioned caveat.
>
> Thanks again for reporting this bug.
> Ethan
>
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Re: [openflow-discuss] Dynamic IP Address for tap0 in Openwrt OpenFlow

2011-05-16 Thread kk yap

This is Openwrt specific.  From the Pantou wiki page, "Due to the way
inband control is implemented you won't be able to route dns and dhcp
requests/replies from/to the local-port (tap0).".  Thus, I wonder if
there is other ways to get a dynamic address on the interface.  Hoping
that Yiannis would know.

Regards
KK

On 16 May 2011 15:08, Rob Sherwood  wrote:
> I'm not really sure what you're asking: `dhclient tap0` doesn't do the
> right thing for you?  Or, are you asking for the interface to come up
> at boot time?
>
> - Rob
> .
>
>
>
> On Mon, May 16, 2011 at 3:06 PM, kk yap  wrote:
>> Hi,
>>
>> I need to control to a remote controller and therefore need to config
>> an IP address for the AP on tap0.  Can I config tap0 to receive a
>> dynamic IP address?  If yes, how?
>>
>> Thanks.
>>
>> Regards
>> KK
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[openflow-discuss] Dynamic IP Address for tap0 in Openwrt OpenFlow

2011-05-16 Thread kk yap

Hi,

I need to control to a remote controller and therefore need to config
an IP address for the AP on tap0.  Can I config tap0 to receive a
dynamic IP address?  If yes, how?

Thanks.

Regards
KK
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[algogeeks] Python

2011-05-07 Thread KK

I have juz started python and finished "A Byte of Python"
Now to which book should i switch too???
Also recommend Python books to master it!!

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Re: [nox-dev] host deathentication

2011-05-06 Thread kk yap

ARP is a great idea.  Someone should give it a try, though I know some
routers sometimes do funny things with ARP for their own devices, but that
would not be too big an issue I guess.

Regards
KK

On 6 May 2011 03:59, Murphy McCauley  wrote:

> I don't consider this a big issue, but what about ARPing at it?  I bet even
> machines that are set to not respond to ICMP echo will still usually answer
> an
> ARP.  Moreover, if they respond once, I'd think it's probably safe to
> assume
> they will continue to do so.  So if something never responds to an ARP, it
> could just timeout after five minutes of inactivity like it does now.  If
> it
> responds to an ARP once, we could periodially check that it still does --
> if
> it goes silent, assume it's gone.
>
> -- Murphy
>
> On Thursday, May 05, 2011 06:03:24 PM kk yap wrote:
> > Yeah, hosttracker simply timeout.  To the best of my knowledge, there is
> no
> > good way to ensure the host is there or not if it is completely silent.
> > You can try sending an icmp echo request but that is not guaranteed to
> > work all the time either.
> >
> > Regards
> > KK
> >
> > On 5 May 2011 17:40, Murphy McCauley  wrote:
> > > Maybe take a look at hosttracker.  It raises events when a host is
> first
> > > seen,
> > > moves, or is lost.  I don't think it actively checks for the host -- I
> > > think
> > > it just has like a five minute timer where if it doesn't see any
> packets
> > > from a
> > > host, it assumes it is gone.
> > >
> > > -- Murphy
> > >
> > > On Thursday, May 05, 2011 06:43:00 AM karim torkmen wrote:
> > > > Hi,
> > > > Is there any component allowing to detect when a host  detaches from
> > > > the network (e.g. host failure).
> > > > Unfortunately, the authenticator is able just to detect when a new
> host
> > > > joins the network.
> > > > Thanks a lot,
> > > > Karim
> > > > ___
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> > > > http://noxrepo.org/mailman/listinfo/nox-dev
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Re: [nox-dev] host deathentication

2011-05-05 Thread kk yap

Yeah, hosttracker simply timeout.  To the best of my knowledge, there is no
good way to ensure the host is there or not if it is completely silent.  You
can try sending an icmp echo request but that is not guaranteed to work all
the time either.

Regards
KK

On 5 May 2011 17:40, Murphy McCauley  wrote:

> Maybe take a look at hosttracker.  It raises events when a host is first
> seen,
> moves, or is lost.  I don't think it actively checks for the host -- I
> think
> it just has like a five minute timer where if it doesn't see any packets
> from a
> host, it assumes it is gone.
>
> -- Murphy
>
> On Thursday, May 05, 2011 06:43:00 AM karim torkmen wrote:
> > Hi,
> > Is there any component allowing to detect when a host  detaches from the
> > network (e.g. host failure).
> > Unfortunately, the authenticator is able just to detect when a new host
> > joins the network.
> > Thanks a lot,
> > Karim
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[Koha] Problem with koha Authority

2011-05-03 Thread sunitha kk

Hi, I have a problem with koha authority.

I have added  a new authority record (using  Home › Authorities › Adding
authority Personal Name). But when I am searching for that record it returns
'No Result Found'.
Could someone tell me what is the problem?

With Thanks n regards
Sunitha
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Re: [nox-dev] strange ethernet type returned by authenticator

2011-05-02 Thread kk yap

One thing that I never got to doing is to change all the parsing to go
through the openflow-pack library which will fix the byte order issue.
 If someone would do that, it would be a great service to people using
NOX.

Regards
KK

On 2 May 2011 10:48, Murphy McCauley  wrote:
> So I'm not sure if this is a bug or a feature.  If NOX has a really coherent
> strategy towards byte order, I've never really figured it out. :)  But the
> problem is just that your bytes are getting swapped.  I'd say just call
> ntohs() on event.flow_dl_type.  (Equivalently, call htons() on whatever you're
> comparing it with... this probably makes more sense, but may be slightly less
> convenient.)
>
> -- Murphy
>
> On Monday, May 02, 2011 10:25:22 AM karim torkmen wrote:
>> Hi,
>> I am using the authenticator module.
>> I registered to the flow in event :
>> self.register_handler(Flow_in_event.static_get_name(),self.flow_in_call_bac
>> k) When I try to get the EtherType of a flow through calling this
>> parameter: type = event.flow.dl_type
>> I get EtherType equal to "25480" which is "0x6388", however I am
>> expecting to get a PPP type "34915 (0x8863)".
>> Does any one have an idea about this, could it be a bug ?
>> Thanks a lot for the help,
>> Karim
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[algogeeks] Re: Need help on fenwick trees

2011-05-02 Thread KK

Search Topcoder Tutorial on Google..

On Apr 17, 9:06 pm, naga vinod kumar  wrote:
> Hi Guys ,
>                    Can any one give link for  tutorial or videos about
> segment trees. I am unable to understand the basic idea  behind it .
> Regards,
> vinod

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Re: [openflow-discuss] Simple Handover(Without using AP's)‏‏

2011-04-28 Thread kk yap

Hi Ali,

I have been trying to get to this and realized this is getting pushed
back more and more on my plate.  So short answers

> What do you mean by checking the flow entries of the switches???

Use dpctl dump-flows to see what flows are in the switches.  You can
bring up the terminals for the switches using screen -r of.

> By switches
> you mean Openflow switches and kindly explain what is the procedure to check
> them???

Yes, I am referring to OpenFlow switches.  Knowing the dpctl options
can be useful for these debugging.  Wireshark would help a lot too.

I noticed that NS-3 has started to support OpenFlow.  That might be a
viable option for you too.

Sorry, I really wanted to spend some time on this but just don't see
when that would be at this moment.

Regards
KK


2011/4/17 Ali hussain :
>
> Hi
>     I havent been yet successful in re-establishing the wirefilter as yet
> when you kill it.i iam using the same procedure as described in my previous
> mail below.I noted something that when you create a double wirefilter in xml
> i.e host 1 attached to both OF 1 and OF 2, by adding the code ,BELOWthe OF 1
> wirefilter code the hosts ping but as soon as you delete the wire filter
> attached to OF 1, the pings stop although the host is still connected to OF
> 2. But if u add this code above OF 1 than the ping continue after deleting
> OF1 but ends when deleting OF2. I have also tried deleting both wirefilter
> and then creating them but it attaches to the same OF switch that is above
> the other  in the code.
>
> So how do i create a new wirefilter after killing the old one.
>
> What do you mean by checking the flow entries of the switches???By switches
> you mean Openflow switches and kindly explain what is the procedure to check
> them???
>
>
> Regard Ali
>
>> From: yap...@stanford.edu
>> Date: Sat, 26 Feb 2011 09:15:35 -0800
>> Subject: Re: [openflow-discuss] Simple Handover(Without using AP's)‏‏
>> To: alihussain...@hotmail.com
>> CC: openflow-discuss@lists.stanford.edu
>>
>> Hi Ali,
>>
>> I might sound repetitive here. But check the flow entries on the
>> switches and see if the re-route was done successfully!
>>
>> One thing that is hard to do is to detect the handover in the control
>> plane. What OpenRoads/OpenFlow Wireless does is to use WiFi
>> association to do that. Can't do this in the virtual environment
>> though.
>>
>> Regards
>> KK
>>
>> 2011/2/26 Ali hussain :
>> >
>> > Hi KK,
>> >     Thanks for your reply.Well after killing the wirefilter and
>> > than
>> > creating a new o ne with the other openflow switch the arp packet of
>> > ping
>> > dont reach the controller .Is there a problem in the creation procedure
>> > of
>> > the wirefilter?Im using nox-zaku (0.9).
>> >
>> >> From: yap...@stanford.edu
>> >> Date: Fri, 25 Feb 2011 13:41:14 -0800
>> >> Subject: Re: [openflow-discuss] Simple Handover(Without using AP's)‏‏
>> >> To: alihussain...@hotmail.com
>> >> CC: openflow-discuss@lists.stanford.edu
>> >>
>> >> Hi Ali,
>> >>
>> >> I suggest re-routing the flow since your host has "handed over" from
>> >> one switch to another. Check the flow entries on the switches and see
>> >> if the re-route was done successfully. Which controller are you using
>> >> here?
>> >>
>> >> Regards
>> >> KK
>> >>
>> >> 2011/2/25 Ali hussain :
>> >> > He llo KK
>> >> >     Thanks for you reply.At first i was having some
>> >> > trouble
>> >> > running the code but they all have been sorted out as the 2 hosts are
>> >> > pinging .
>> >> >
>> >> > When i type the command ps ax | grep wire  i can see the wire filter
>> >> > and
>> >> > can
>> >> > kill it using the command sudo kill -9  (the id of the wire
>> >> > filter).After killing it the pinging stop.After that i use the
>> >> > following
>> >> > command to establish a new wire filter command between host 1 and
>> >> > open
>> >> > flow
>> >> > switch 2:
>> >> >
>> >> > dpipe vde_plug $PWD/vde/ctlhost1of2 = wirefilter  --mgmt
>> >> > $PWD/vde/wiremgmthost1of2of2host1 --mgmtmode 700 = vde_plug
>> >> > $PWD/vde/ctlof2host1 &
>> >> >
>> >> >
>> >> > It say: wirefilter

Re: [QUAD-L] pontoon boat?

2011-04-27 Thread KK

Check out YouTube.com.  I know that wheelchairjunkie has a few video's of his 
boat.  Not a pontoon tho.  There are video's of wheelchair users & pontoons 
there also.

Mark works for Pride Mobility & has a great web site himself.

http://www.wheelchairjunkie.com/whatsnew.html

KK





From: Nancy Pritchard 
To: quad-list@eskimo.com
Sent: Wed, April 27, 2011 5:39:38 AM
Subject: [QUAD-L] pontoon boat?

Thinking of purchasing a used pontoon boat for my son (C5/C6 23 yrs old 3.5 
years post) so he can return to a sport he loves...boating and fishing...any 
suggestions for ease boarding there isn't always a dock at some of the smaller 
lakes in Vermont?

Also as far as a trust...is a boat considered sporting good equipment, which is 
allowed?


Peace 

Nancy

Re: [nox-dev] [openflow-discuss] Pyswitch & VLAN

2011-04-27 Thread kk yap

Hi Max,

Something like this?

http://noxrepo.org/noxwiki/index.php/Main_Page
http://noxrepo.org/~yapkke/doc/

Regards
KK

On 27 April 2011 00:15, Max Ott  wrote:
>
> On 26/04/2011, at 4:20 PM, kk yap wrote:
>
>> Hi Max,
>>
>> Can you elaborate on what you mean by pyswitch being aware or unaware
>> of VLAN?  Do you expect the switch to rewrite the VLAN so that hosts
>> on different VLAN can ping each other?
>
> No, I wanted to stay within the same VLAN.
>
> However, my primary objective is to find out on how one could develop new 
> functionality. So some form of documentation would be wonderful.
>
> Cheers,
> -max
>
>>
>> Regards
>> KK
>>
>> On 25 April 2011 22:44, Srini Seetharaman  wrote:
>>> Hi Max
>>> This mail is more appropriate for the nox-dev list that I've copied here.
>>>
>>>> I now can ping two machines across a VLAN using NOX and pyswitch. However, 
>>>> the latter does not seem to create a flow for the VLAN pings as each of 
>>>> them shows up at the controller. I assume the pyswitch isn't aware of VLAN.
>>>
>>> Yes, pyswitch and much of the code in NOX does not track VLANs.
>>>
>>>> Now having looked at the code, I was wondering where I could find a 
>>>> writeup on how to add my own extensions and documentation on all the 
>>>> relevant API calls and their options.
>>>
>>> If no one wrote to you thus far, I guess there is nothing ready for
>>> public use. Please mail the nox-dev list if you manage to get this
>>> resolved and working on your own. Thanks!
>>>
>>> Srini.
>>> ___
>>> openflow-discuss mailing list
>>> openflow-disc...@lists.stanford.edu
>>> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
>>>
>
>
> The information in this e-mail may be confidential and subject to legal 
> professional privilege and/or copyright. National ICT Australia Limited 
> accepts no liability for any damage caused by this email or its attachments.
>
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Re: [openflow-discuss] Pyswitch & VLAN

2011-04-27 Thread kk yap

Hi Max,

Something like this?

http://noxrepo.org/noxwiki/index.php/Main_Page
http://noxrepo.org/~yapkke/doc/

Regards
KK

On 27 April 2011 00:15, Max Ott  wrote:
>
> On 26/04/2011, at 4:20 PM, kk yap wrote:
>
>> Hi Max,
>>
>> Can you elaborate on what you mean by pyswitch being aware or unaware
>> of VLAN?  Do you expect the switch to rewrite the VLAN so that hosts
>> on different VLAN can ping each other?
>
> No, I wanted to stay within the same VLAN.
>
> However, my primary objective is to find out on how one could develop new 
> functionality. So some form of documentation would be wonderful.
>
> Cheers,
> -max
>
>>
>> Regards
>> KK
>>
>> On 25 April 2011 22:44, Srini Seetharaman  wrote:
>>> Hi Max
>>> This mail is more appropriate for the nox-dev list that I've copied here.
>>>
>>>> I now can ping two machines across a VLAN using NOX and pyswitch. However, 
>>>> the latter does not seem to create a flow for the VLAN pings as each of 
>>>> them shows up at the controller. I assume the pyswitch isn't aware of VLAN.
>>>
>>> Yes, pyswitch and much of the code in NOX does not track VLANs.
>>>
>>>> Now having looked at the code, I was wondering where I could find a 
>>>> writeup on how to add my own extensions and documentation on all the 
>>>> relevant API calls and their options.
>>>
>>> If no one wrote to you thus far, I guess there is nothing ready for
>>> public use. Please mail the nox-dev list if you manage to get this
>>> resolved and working on your own. Thanks!
>>>
>>> Srini.
>>> ___
>>> openflow-discuss mailing list
>>> openflow-discuss@lists.stanford.edu
>>> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
>>>
>
>
> The information in this e-mail may be confidential and subject to legal 
> professional privilege and/or copyright. National ICT Australia Limited 
> accepts no liability for any damage caused by this email or its attachments.
>
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Re: [nox-dev] QoS in OpenFlow/Nox

2011-04-26 Thread kk yap

Hi Nauman (and Yiannis),

I am not up-to-date with NOX.   But I did previously push support for
all OpenFlow v1.0 messages, which includes whatever support OpenFlow
provides to queues.  That would exclude configuration of the queue,
but include how to forward packets into queues.  That support is in
C/C++.

I am not sure about the Python API.  So, maybe someone can update us on it.

Regards
KK

On 26 April 2011 14:45, Yiannis Yiakoumis  wrote:
> Hi Nauman,
> Which OpenFlow implementation do you use? The rererence code (1.0) supports
> queue set-up through dpctl commands (out-of-band CLI). Setup takes place as
> a vendor extension which means that they could be integrated to a
> controller.
> I haven't used queues with Nox though. I think somebody was working on an
> extension, but not sure what the status is.
> KK, any insights?
>
> Thanks,
> Yiannis
> On Wed, Apr 20, 2011 at 9:43 AM,  wrote:
>>
>> Hello all,
>>
>> I just started looking into OpenFlow and Nox and particularly interested
>> in QoS for flows so have a question about the support in nox.
>>
>> Does nox support setting up the queues and then mapping a flow to
>> particular queue? I was going through
>> http://www.openflow.org/wk/index.php/Slicing#Flow-Queue_Mapping_and_Forwarding
>> and wondering if nox implements it.
>>
>> I'm using the latest stable (HEAD) version of nox.
>>
>> thanks,
>> Nauman
>> ___
>> nox-dev mailing list
>> nox-dev@noxrepo.org
>> http://noxrepo.org/mailman/listinfo/nox-dev
>
>
>
> --
> Yiannis .
>
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Re: [nox-dev] [openflow-discuss] Pyswitch & VLAN

2011-04-25 Thread kk yap

Hi Max,

Can you elaborate on what you mean by pyswitch being aware or unaware
of VLAN?  Do you expect the switch to rewrite the VLAN so that hosts
on different VLAN can ping each other?

Regards
KK

On 25 April 2011 22:44, Srini Seetharaman  wrote:
> Hi Max
> This mail is more appropriate for the nox-dev list that I've copied here.
>
>> I now can ping two machines across a VLAN using NOX and pyswitch. However, 
>> the latter does not seem to create a flow for the VLAN pings as each of them 
>> shows up at the controller. I assume the pyswitch isn't aware of VLAN.
>
> Yes, pyswitch and much of the code in NOX does not track VLANs.
>
>> Now having looked at the code, I was wondering where I could find a writeup 
>> on how to add my own extensions and documentation on all the relevant API 
>> calls and their options.
>
> If no one wrote to you thus far, I guess there is nothing ready for
> public use. Please mail the nox-dev list if you manage to get this
> resolved and working on your own. Thanks!
>
> Srini.
> ___
> openflow-discuss mailing list
> openflow-disc...@lists.stanford.edu
> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
>
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Re: [openflow-discuss] Pyswitch & VLAN

2011-04-25 Thread kk yap

Hi Max,

Can you elaborate on what you mean by pyswitch being aware or unaware
of VLAN?  Do you expect the switch to rewrite the VLAN so that hosts
on different VLAN can ping each other?

Regards
KK

On 25 April 2011 22:44, Srini Seetharaman  wrote:
> Hi Max
> This mail is more appropriate for the nox-dev list that I've copied here.
>
>> I now can ping two machines across a VLAN using NOX and pyswitch. However, 
>> the latter does not seem to create a flow for the VLAN pings as each of them 
>> shows up at the controller. I assume the pyswitch isn't aware of VLAN.
>
> Yes, pyswitch and much of the code in NOX does not track VLANs.
>
>> Now having looked at the code, I was wondering where I could find a writeup 
>> on how to add my own extensions and documentation on all the relevant API 
>> calls and their options.
>
> If no one wrote to you thus far, I guess there is nothing ready for
> public use. Please mail the nox-dev list if you manage to get this
> resolved and working on your own. Thanks!
>
> Srini.
> ___
> openflow-discuss mailing list
> openflow-discuss@lists.stanford.edu
> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
>
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[algogeeks] Re: Cracking the IT interview: jump start your career with confidence

2011-04-25 Thread KK

But i think here's no one to forward :p


Kunal Kapadia
Computer Science and Enggneering
2nd yr
NIT Trichy


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[algogeeks] Re: Link for sartaj sahni video lectures

2011-04-25 Thread KK

Hey it seems to be a fake link... It directs to some site which
shorten URLs

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[algogeeks] Re: Sartaj Sahni ebook

2011-04-24 Thread KK

@ Carl Barton:
I also know that site... i want a shared link u stupid...

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[algogeeks] Sartaj Sahni ebook

2011-04-23 Thread KK

Please give link to:
Data Structures,Algorithms and Applications by Sartaj Sahni...
or directly mail to me.

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[algogeeks] Re: Flipping Coins

2011-04-23 Thread KK

Hey guys n gals WAKE UP
No reply on this topic???
Do any knows here about segment tree??

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[algogeeks] Flipping Coins

2011-04-21 Thread KK

Pls have a look at this Question on codechef
http://www.codechef.com/problems/FLIPCOIN/
i tried this using Segment tree...
i implemented segment updating properly
but dont know how to do segment Querying in this particular Question
although point Querying is easy..
and please suggest links and ebooks for topics such as segment tree.
Interval tree , Binary Indexed tree , Suffix trees(Other than Topcoder
Tutorials)
This is how i implemented Segment updating:

void update(int beg,int end,int ind)//segment updating
{
if(beg>B || end=A && end<=B) m[ind]+=k;
else
{
update(beg,((beg+end)>>1),(ind<<1));
update(1+((beg+end)>>1),end,1+(ind<<1));
}
}

may be u need to change for Querying

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[algogeeks] Ebooks Sites

2011-04-21 Thread KK

Hello people please share sites from where good programming ebooks can
be downloaded...
i use   library.nu and 4shared.com

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[jbehave-dev] [jira] Commented: (JBEHAVE-488) Scenario with nested or recursive example table

2011-04-20 Thread kk sure (JIRA)


[ 
http://jira.codehaus.org/browse/JBEHAVE-488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=264227#action_264227
 ] 

kk sure commented on JBEHAVE-488:
-

Hmm. Looks like a good solution.

> Scenario with nested or recursive example table
> ---
>
> Key: JBEHAVE-488
> URL: http://jira.codehaus.org/browse/JBEHAVE-488
> Project: JBehave
>  Issue Type: New Feature
>Reporter: kk sure
>
> We have a UI functionality that repeats on many pages (say it is a JSPF 
> component that is reusable, with configurable variation). But it is important 
> to test this on all pages since the functionality is slightly different on 
> each of these pages.
> h2. How we have to code this today:
> Scenario: Food widget in Home page
> Given I am on Home page
> When I enter  in the menu field
> Then I see  in the dropdown
> Examples:
> |food_item|related_food_items|
> |pizza|"cheese, chicken, bacon"|
> |fruit_salad|"mangoes, strawberry, grapes"|
> |rice|"brown, white, fried"|
> The exact same test will repeat on a different page like below
> Scenario: Food widget in OrderFood page
> Given I am on OrderFood page
> When I enter  in the menu field
> Then I see  in the dropdown
> Examples:
> |food_item|related_food_items|
> |pizza|"cheese, chicken, bacon"|
> |fruit_salad|"mangoes, strawberry, grapes"|
> |rice|"brown, white, fried"|
> h2. Problem Statement: We want to run a particular scenario with 'examples' 
> over another parametrized value (e.g 'Page' here).
> h2. Proposed solution: foreach meta-tag at scenario level that has processing 
> implications.
> Scenario: 
> Meta:
> @foreach Page: Home, OrderFood, CheckStatus, CancelOrder
> Given I am on the  page
> When I enter  in the menu field
> Then I see  in the dropdown
> Examples:
> |food_item|related_food_items|
> |pizza|"cheese, chicken, bacon"|
> |fruit_salad|"mangoes, strawberry, grapes"|
> |rice|"brown, white, fried"|

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[jbehave-dev] [jira] Created: (JBEHAVE-488) Scenario with nested or recursive example table

2011-04-20 Thread kk sure (JIRA)

Scenario with nested or recursive example table
---

 Key: JBEHAVE-488
 URL: http://jira.codehaus.org/browse/JBEHAVE-488
 Project: JBehave
  Issue Type: New Feature
Reporter: kk sure


We have a UI functionality that repeats on many pages. But it is important to 
test this on all pages since the functionality is slightly different on each of 
these pages.

For eg.

Scenario: 

Given I am on Home page
When I enter  in the menu field
Then I see  in the dropdown

Examples:
|food_item|related_food_items|
|pizza|"cheese, chicken, bacon"|
|fruit_salad|"mangoes, strawberry, grapes"|
|rice|"brown, white, fried"|

The exact same test will repeat on a different page like below


Scenario: 

Given I am on OrderFood page
When I enter  in the menu field
Then I see  in the dropdown

Examples:
|food_item|related_food_items|
|pizza|"cheese, chicken, bacon"|
|fruit_salad|"mangoes, strawberry, grapes"|
|rice|"brown, white, fried"|


h2. Problem Statement: We want to run a particular test with examples over 
another parametrized value (e.g 'Page' here).

h2. Proposed solution

Scenario: 

Meta:

@foreach Page: Home, OrderFood, CheckStatus, CancelOrder

Given I am on the Page page
When I enter  in the menu field
Then I see  in the dropdown

Examples:
|food_item|related_food_items|
|pizza|"cheese, chicken, bacon"|
|fruit_salad|"mangoes, strawberry, grapes"|
|rice|"brown, white, fried"|


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[algogeeks] Re: If any one have algorithms for interviews by adnan aziz ebook... Please mail ...

Hey plzz mail me too..

On Apr 14, 9:29 am, Rajeev Kumar  wrote:
> check this 
> link:https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=1B5...
>
> If you have any problem in access,please inform me
>
> On Thu, Apr 14, 2011 at 1:04 AM, Abhishek Goswami 
> wrote:
>
>
>
>
>
>
>
>
>
> > Hi,
> > I tried to open this book in google docs and got message that file is not
> > avaliable. does this file not available in google docs
> > if yes , can anybody share this book again
>
> > On Tue, Mar 22, 2011 at 10:41 PM, Himanshu Neema <
> > potential.himansh...@gmail.com> wrote:
>
> >> Turns out that I cant send file larger than 4 MB , please download it from
> >> here , let me know if you're still unable to download:
>
> >>http://dl.dropbox.com/u/2681370/Algorithms%2Bfor%2BInterviews%2B%28sc...
>
> >> have fun !
>
> >> On Tue, Mar 22, 2011 at 10:21 PM, Himanshu Neema <
> >> potential.himansh...@gmail.com> wrote:
>
> >>> Enjoy :)
>
> >>> On Tue, Mar 22, 2011 at 10:09 PM, Saravanan T 
> >>> wrote:
>
>  ++
>
>  On Tue, Mar 22, 2011 at 9:51 PM, Anurag atri 
>  wrote:
>
> > and me too :)
>
> > On Tue, Mar 22, 2011 at 9:28 PM, Nikhil Mishra 
> > wrote:
>
> >> count me too
>
> >> On Tue, Mar 22, 2011 at 11:16 AM, kunal srivastav <
> >> kunal.shrivas...@gmail.com> wrote:
>
> >>> plz send it to me too
>
> >>> On Tue, Mar 22, 2011 at 11:14 AM, D.N.Vishwakarma@IITR <
> >>> deok...@gmail.com> wrote:
>
>  --
>
>  *With Regards
>  Deoki Nandan Vishwakarma
>  IITR MCA
>  Mathematics Department
>  *
>
>  --
>  You received this message because you are subscribed to the Google
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>
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> > Anurag Atri
>
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> >>  --
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> Rajeev Kumar

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[algogeeks] Re: If any one have algorithms for interviews by adnan aziz ebook... Please mail ...

Hey can u mail it to me plzzz??

On Mar 23, 7:55 am, Anand  wrote:
> Thanks!!
>
> On Tue, Mar 22, 2011 at 7:11 PM, D.N.Vishwakarma@IITR 
> wrote:
>
>
>
>
>
>
>
> > thanx...
>
> > On 3/22/11, Himanshu Neema  wrote:
> > > -- Forwarded message --
> > > From: Himanshu Neema 
> > > Date: Tue, Mar 22, 2011 at 11:13 PM
> > > Subject: Re: [algogeeks] If any one have algorithms for interviews by
> > adnan
> > > aziz ebook... Please mail ...
> > > To: Abhishek Goswami 
>
> > > Its a 15.4MB pdf so would take time to download if you have slow internet
> > > connection , otherwise i checked the link its working.
>
> > > But I have also uploaded it on Google docs as Abhishek suggested  here :
>
> >https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B-...
>
> > > On Tue, Mar 22, 2011 at 11:01 PM, Abhishek Goswami
> > > wrote:
>
> > >> can you upload this file into google docs or attach this file. i tried
> > to
> > >> download this file but did not get any success for
> > >> open this file
> > >> Thanks
> > >> Abhishek
>
> > >> On Tue, Mar 22, 2011 at 10:41 PM, Himanshu Neema <
> > >> potential.himansh...@gmail.com> wrote:
>
> > >>> Turns out that I cant send file larger than 4 MB , please download it
> > >>> from
> > >>> here , let me know if you're still unable to download:
>
> >http://dl.dropbox.com/u/2681370/Algorithms%2Bfor%2BInterviews%2B%28sc...
>
> > >>> have fun !
>
> > >>> On Tue, Mar 22, 2011 at 10:21 PM, Himanshu Neema <
> > >>> potential.himansh...@gmail.com> wrote:
>
> >  Enjoy :)
>
> >  On Tue, Mar 22, 2011 at 10:09 PM, Saravanan T
> >  wrote:
>
> > > ++
>
> > > On Tue, Mar 22, 2011 at 9:51 PM, Anurag atri
> > > wrote:
>
> > >> and me too :)
>
> > >> On Tue, Mar 22, 2011 at 9:28 PM, Nikhil Mishra
> > >> wrote:
>
> > >>> count me too
>
> > >>> On Tue, Mar 22, 2011 at 11:16 AM, kunal srivastav <
> > >>> kunal.shrivas...@gmail.com> wrote:
>
> >  plz send it to me too
>
> >  On Tue, Mar 22, 2011 at 11:14 AM, D.N.Vishwakarma@IITR <
> >  deok...@gmail.com> wrote:
>
> > > --
>
> > > *With Regards
> > > Deoki Nandan Vishwakarma
> > > IITR MCA
> > > Mathematics Department
> > > *
>
> > > --
> > > You received this message because you are subscribed to the
> > Google
> > > Groups "Algorithm Geeks" group.
> > > To post to this group, send email to algogeeks@googlegroups.com.
> > > To unsubscribe from this group, send email to
> > > algogeeks+unsubscr...@googlegroups.com.
> > > For more options, visit this group at
> > >http://groups.google.com/group/algogeeks?hl=en.
>
> >  --
> >  thezeitgeistmovement.com
>
> >   --
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> >  Groups "Algorithm Geeks" group.
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>
> > >>>  --
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> > >>> For more options, visit this group at
> > >>>http://groups.google.com/group/algogeeks?hl=en.
>
> > >> --
> > >> Regards
> > >> Anurag Atri
>
> > >> --
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> > >> To post to this group, send email to algogeeks@googlegroups.com.
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>
> > >  --
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>
> > >>>  --
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>
> > > --
> > > You recei

[algogeeks] Re: [brain teaser] Sequence Puzzle 13april

Dont worry got it!!!

On Apr 13, 2:57 pm, vaibhav shukla  wrote:
> On Wed, Apr 13, 2011 at 1:02 PM, Lavesh Rawat wrote:
>
> > * Sequence Puzzle *
> > *
> > *
> > *The below is a number puzzle. It should be read left to right, top to
> > bottom.
> > Question 1 What is the next two rows of numbers.
> > Question 2 How was this reached.
> > 1 1
> > 2 1
> > 1 2 1 1
> > 1 1 1 2 2 1*
>
> next two rows:
>     *3 1 2 2 1 1
>     1 3 1 1 2 2 2 1
>
> *
>
>
>
>
>
>
>
>
>
> > 
> > *Update Your Answers at* : Click 
> > Here
>
> > Solution:
> > Will be updated after 1 day
>
> > --
>
> >                     "Never explain yourself. Your friends don’t need it and
> > your enemies won’t believe it" .
>
> > --
> > You received this message because you are subscribed to the Google Groups
> > "Algorithm Geeks" group.
> > To post to this group, send email to algogeeks@googlegroups.com.
> > To unsubscribe from this group, send email to
> > algogeeks+unsubscr...@googlegroups.com.
> > For more options, visit this group at
> >http://groups.google.com/group/algogeeks?hl=en.
>
> --
>   best wishes!!
> Vaibhav Shukla
>     DU-MCA

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[algogeeks] Re: [brain teaser] Sequence Puzzle 13april

@vaibhav shukla:
3 1 2 2 1 1 is ok
but how 1 3 1 1 2 2 2 1 came
Thanks

On Apr 13, 2:57 pm, vaibhav shukla  wrote:
> On Wed, Apr 13, 2011 at 1:02 PM, Lavesh Rawat wrote:
>
> > * Sequence Puzzle *
> > *
> > *
> > *The below is a number puzzle. It should be read left to right, top to
> > bottom.
> > Question 1 What is the next two rows of numbers.
> > Question 2 How was this reached.
> > 1 1
> > 2 1
> > 1 2 1 1
> > 1 1 1 2 2 1*
>
> next two rows:
>     *3 1 2 2 1 1
>     1 3 1 1 2 2 2 1
>
> *
>
>
>
>
>
>
>
>
>
> > 
> > *Update Your Answers at* : Click 
> > Here
>
> > Solution:
> > Will be updated after 1 day
>
> > --
>
> >                     "Never explain yourself. Your friends don’t need it and
> > your enemies won’t believe it" .
>
> > --
> > You received this message because you are subscribed to the Google Groups
> > "Algorithm Geeks" group.
> > To post to this group, send email to algogeeks@googlegroups.com.
> > To unsubscribe from this group, send email to
> > algogeeks+unsubscr...@googlegroups.com.
> > For more options, visit this group at
> >http://groups.google.com/group/algogeeks?hl=en.
>
> --
>   best wishes!!
> Vaibhav Shukla
>     DU-MCA

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Re: [QUAD-L] 38 year's ago today!