This is not an algorithm question. I suggest announcing that any
student who uses any electronic device to do anything other than take
the test will fail the class. Have a TA or two sit in the back of the
room and watch.
Don
On Feb 24, 4:04 am, Jasveen Singh jasveen.sing...@gmail.com wrote:
hi
i agree it can be done but like in company training and GATE exam and even
certification exams when the test starts everything else gets disabled till
student either clicks QUIT TEST or time is over till then everything is
limited to that screen
a feature very common after 2006 to avoid
Yes, that would be a good thing to have. It's still not an algorithm
question. It depends on the OS and the specific tools you are using.
If it provides a full screen mode, use it. Without knowing more
there's not much else we can tell you. And if someone has a smart
phone or even a basic cell
yes of course its in the instructions not to allow them to enter with
phones there in checking and cheating is prohibited i am making this to
give it to my college for free.
and thank you i will keep trying to look if i can do any change...search
for it...thank you for your help
On Fri, Feb 24,
@Utkarsh
In this code I am writing on the source code file at time of execution
Every time the file executes it changes its own source code...However I too
would like to know if we can do that in c ...
On Fri, Nov 11, 2011 at 12:38 PM, UTKARSH SRIVASTAV usrivastav...@gmail.com
wrote:
for an executable its not possible.
open will return with ETXTBSY error.
OS:ubuntu.
On Fri, Nov 11, 2011 at 1:50 PM, NAMAN KOHLI naman09...@iiitd.ac.in wrote:
@Utkarsh
In this code I am writing on the source code file at time of execution
Every time the file executes it changes its
@don can u give a code for your logic
On Wed, Oct 19, 2011 at 2:45 PM, Azhar Hussain azhar...@gmail.com wrote:
I am not sure about the program to do it. But, 'strace' on linux would
give the details of a program(parameters passed, retrun values, signals
recieved etc). If you are looking for
I think @Don meant this
For a *New Text Document.py* in my folder I am running this script in
python
File = open(New Text Document.py,'r')
data = File.readlines()
print 1
value = int(data[2].split( )[1])
print value
File.close()
File = open(New Text Document.py,'w')
value += 1
data[2]=print
@NAMAN i don't know python but i think u r writing in a new file .
what i want to say a c code that could write on a.out without the use of
another file
On Fri, Nov 11, 2011 at 12:32 PM, NAMAN KOHLI naman09...@iiitd.ac.inwrote:
I think @Don meant this
For a *New Text Document.py*
http://valgrind.org/
I am not sure but this may help on linux.
I have a question that how to determine the number of system calls a program
has made ?
That too of a particular type
Rahul
On Wed, Oct 19, 2011 at 11:07 AM, kumar raja rajkumar.cs...@gmail.comwrote:
Can someone give me an idea
http://www.dgp.toronto.edu/~ajr/209/notes/memoryos.html
Rahul
On Wed, Oct 19, 2011 at 2:29 PM, Rahul raikra...@gmail.com wrote:
http://valgrind.org/
I am not sure but this may help on linux.
I have a question that how to determine the number of system calls a
program has made ?
That too
I am not sure about the program to do it. But, 'strace' on linux would give
the details of a program(parameters passed, retrun values, signals recieved
etc). If you are looking for something similar then you can loot at strace
source.
mean while a.out does not not have information of stack
It depends on the language.
If is is a scripted or interpreted language then you can just change
the source code.
If it is a compiled language you would change the binary code where
the output value is stored.
I'm not saying that it is a recommended approach, but it is possible.
Don
On Oct 17,
Not really. Most executable formats have a way to include extra data
that's not used by the loader. You could store a count in such data
and have the program modify the executable every time it runs. Not
recommended, though. A separate file is a much better idea.
You could also play games by
@Don, Gene:
very good insights,
didn't even thought of the changing the executable, but it indeed is one way
to do.
:)
@Don: agree with scripts and interpreted code.. :)
[coming out of the same language helps answers some questions easily]
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Can someone give me an idea about how to see the range of segments like data
,heap,stack and text segments of an executable file.(a.out)
Is there anyway to access the those segments from the program itself (while
in execution), like using stack pointer for stack segment ??
On 18 October 2011
Could be done by a self-modifying program.
Don
On Oct 15, 5:26 am, kumar raja rajkumar.cs...@gmail.com wrote:
you have to write a program which tell about how many times it has run.
ex:
if you run first time it will print 1.
if you run second time it will print 2.
like this.
--
Regards
@don
Do you mean read the source and modify the hard coded value..
This will involve the the compile and linking steps right?
Did you mean some thing else?
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the only way to do this is to store in an external space like file.
if its a function that is called, a static variable can be used to track
count.
Question: Can extern variables span accross processes? They cannot right. I
mean two forked process share the same extern variable instance??
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