I'm proto-typing a tri-screen GUI. I have 3 mac minis in a local network and
would like to triangulate
their three web-cams. It's purely exploratory self-funded research on my part
at this point.
Any positive, constructive replies would be appreciated.
-em
One laptop per child--one
In my custom NSTextView i override NSTextContainer's
lineFragmentRectForProposedRect: sweepDirection: movementDirection:
remainingRect:
method to lay text only in certain parts of the text view, so in this
method, i return the line fragment rectangles in which i allow text to
be laid.
The
Thank you the quickly advices of Michael and Mike very much.
I test Michael's sample, it works well. But I think the
SCNetworkReachability API is also used to try to connect to the
server, right?
What I want is to get the status of the network without any connection
to the server. Maybe What I
On Jul 12, 2008, at 2:25 AM, Ruotger Skupin wrote:
Hi,
if I get you right, you are suggesting I put an alias to the file
into (say) ~/Library/Application Support/MyApp/UndoAliases/ remember
the original path/filename then trash the file. To get it back I
resolve the alias and move/rename
On Jul 12, 2008, at 8:25 AM, Michael Ash wrote:
On Sat, Jul 12, 2008 at 2:25 AM, Marcel Weiher [EMAIL PROTECTED]
wrote:
So as I said: (a) object allocation slowest (b) out-of-band
retain count
slow (c) inline retain count much faster than either.
Well that all makes sense, thanks.
Hi,
I have a core animation layer backed view that doesn't animate. It only happens
to not animate during mousedown events. Is there something I have to do to make
it work, or is it likely I'm short circuiting something, somewhere?
It doesn't animate, or move at all. But when I release the
I have a core animation layer backed view that doesn't animate. It
only happens to not animate during mousedown events. Is there
something I have to do to make it work, or is it likely I'm short
circuiting something, somewhere?
Hard to say with what you've provided. Do you have custom -
Hi All,
I'm trying to create a simple Core Data app. I've done this before with
success. I'm using an NSArrayController set to Entity mode. The entity
is a chemical with three string attributes: chemid, name, and
description. In MyDocument.xib, I've created a table view and done all
the
Marcel Weiher wrote:
uint16_t _rc;
Oh, the horror of it all! Only 65,535 objects can retain a string!!!
What am I to do when I model all the citizens of the US voting for just
one presidential candidate in November, and the retain count overflows?!?!
Okay, that's not a real concern
I have a document based application in which i need to print about
50-70 pages of NSTextView, the printing is working fine, but in the
small print preview shown in the print panel, it doesn't show all the
pages.
Like if there are say 50 pages to be printed, it'll show only abt 20
pages
On Jul 12, 2008, at 3:29 PM, Ashley Perrien wrote:
Click the add button to add a line, click through the table and fill
in the fields to get the data in.
Instead what I want is to have several textfields in the view, fill
those out, click add, it performs all the necessary operations with
Sounds intriguing; at first thought, you may want to consider Xgrid to
provide such collaboration, although it may not be what you're needing;
there's other means to provide collaborative networking between Macs.
If you want feedback on an experimental GUI, try the mac-gui-dev list on
Yahoo
On Jul 12, 2008, at 12:29 PM, Ashley Perrien wrote:
when I click the add button which calls a method in MyDocument it
ultimately does a [array addObject: newobject] and the
arraycontroller is not being notified that the array is being
updated so it's not redrawing the table. Any tips on
On Jul 12, 2008, at 11:00 AM, Daniel Richman wrote:
The entity is a chemical with three string attributes: chemid, name,
and description.
http://developer.apple.com/documentation/Cocoa/Reference/CoreDataFramework/Classes/NSPropertyDescription_Class/Reference/NSPropertyDescription.html
On Sat, Jul 12, 2008 at 1:24 PM, Marcel Weiher [EMAIL PROTECTED] wrote:
No, the inline reference count is available for all CF objects, and not
limited to 64 bit.
What version of the structure are you looking at? For example
http://www.cocoadev.com/index.pl?HowToCreateTollFreeBridgedClass
Whenever I try to add a new item, the app crashes. I don't get the
normal gdb window: instead I get a window that says 'loading stack
frames' and the assembly code. The line that the program seems to be
stuck on is this:
0x92efbfe2 +0018 call 0x92efbfe7 CFBagAddValue+23
But here's the
Of course. I actually realized this with chemid (it had been id) but I
had completely forgotten about description. Thanks to all.
Daniel
mmalc Crawford wrote:
On Jul 12, 2008, at 11:00 AM, Daniel Richman wrote:
The entity is a chemical with three string attributes: chemid, name,
and
It looks like it was expanded in 10.5, then, but 10.4 and prior use the
16-bit variables. Regardless of whether it handles overflows or not, my
little joke was meant to illustrate that too many developers (generally
speaking) think that resources (generally speaking) are unlimited and
put no
I'm really hoping this is some stupid thing I'm doing wrong. When I
first open the window pictured, I get the behavior shown in the
screenshot. I can click where the tabs should be and get the other
tab, after which it behaves as it should. Anyone have an idea wth is
going on with this?
Hi Professor Savant,
Confirmation that it should work was what I was after, so after reading your
email, I decided to write up a test app, and it happens there, too. This is the
problem distilled to its simplest form. I welcome any feedback, mockery, etc.
If I use the option in (1) below, it
On 12 Jul 08, at 12:57, Gary L. Wade wrote:
Sounds intriguing; at first thought, you may want to consider Xgrid
to provide such collaboration, although it may not be what you're
needing; there's other means to provide collaborative networking
between Macs. If you want feedback on an
On 12 Jul '08, at 9:46 AM, xiaobin wrote:
I test Michael's sample, it works well. But I think the
SCNetworkReachability API is also used to try to connect to the
server, right?
What I want is to get the status of the network without any connection
to the server.
The SC reachability API does
This seems to be revisiting an old question, but I haven't been able to
find an answer.
I have an existing set of data in sqlite. To be honest, it isn't set up in
the schema I'd most like, yet, but in sqlite I know how to transform it,
and put it into the desired schema.
I like the features
Hi all,
I have a basic(for most of you) question.
I´m trying to make a very simple app that will have 1 button (for
example) and when its pushed the app will create a socket connection
with a host and will send it a message(command).
So , i used this:
- (IBAction)reset:(id)sender
{
On Jul 12, 2008, at 4:54 PM, John Velman wrote:
So, being new to Cocoa, XCode, objective-c, How do I get my data
into my
new Cocoa / core data database?
I can think of two approaches off hand:
2) writing an import routine for my application, using NSTask (?) and
sqlite3. This would
On Jul 12, 2008, at 5:22 PM, StaS Bandol wrote:
I have a basic(for most of you) question.
I´m trying to make a very simple app that will have 1 button (for
example) and when its pushed the app will create a socket connection
with a host and will send it a message(command).
To head this
Thanks much for your thoughtful responses. I found both of them helpful.
A few years ago I ran across the MPI framework, but I don't think this required
Xgrid,
altho you'd certainly need someway to identify network nodes.
I don't think MPI requires Xgrid, but I certainly could be wrong on
Hi John,
On 12/7/08, [EMAIL PROTECTED] wrote:
1) a) generate my application in XCode, use the sqlite storage option, put
in some dummy data, then use sqlite3 to explore the resulting schema, b)
transform my data into the new schema using sqlite3 and sql. Replace the
sqlite file created by my
Hi
I wrote a class (PHPInvocation) that handles all the nitty gritty details of
preparing NSURLRequests, NSURLConnections etc for calls to PHP scripts, but
have run across this nasty bug. What's happening is that somewhere between the
creation of an NSURLConnection and the target PHP script, +
On Jul 12, 2008, at 7:17 PM, [EMAIL PROTECTED] wrote:
I don't know if this is a Cocoa problem or a PHP problem but does
anyone know if or why Cocoa would do this conversion? If it is a
Cocoa feature how would I make it preserve the data exactly as
it's given?
The first thing I'd do is
I would like to use text labels that turn into editable text fields
when you click them. Like Address Book has when you edit an address
card. Does anyone know how those work? Is it a matter of flipping the
editable property or are those custom controls?
S.
On Jul 12, 2008, at 10:17 PM, [EMAIL PROTECTED] wrote:
Hi
I wrote a class (PHPInvocation) that handles all the nitty gritty
details of preparing NSURLRequests, NSURLConnections etc for calls
to PHP scripts, but have run across this nasty bug. What's happening
is that somewhere between
Thanks, Chris,
Using the SQLite 3 api as you suggest sounds good, but there are a couple
of things that must be obvious to the initiated, but not to me (yet).
As I understand, the SQLite 3 api is a C api. Can I do C function calls
directly from Objective C? Seems plausible, since Obj C is an
On Jul 9, 2008, at 8:22 AM, xiaobin wrote:
Hello,
I am writing a program to detect the status of network.
In my program, I need get the status of network when the connection is
set disable. here it is not by connecting the network to get the
status.
which API or method can work for it?
See below:
On Sun, Jul 13, 2008 at 12:09:13PM +1000, Steve Steinitz wrote:
Hi John,
On 12/7/08, [EMAIL PROTECTED] wrote:
1) a) generate my application in XCode, use the sqlite storage option, put
in some dummy data, then use sqlite3 to explore the resulting schema, b)
transform my data
On Jul 12, 2008, at 11:25 PM, John Velman wrote:
Thanks, Chris,
Using the SQLite 3 api as you suggest sounds good, but there are a
couple
of things that must be obvious to the initiated, but not to me (yet).
As I understand, the SQLite 3 api is a C api. Can I do C function
calls
-- Original message --
From: Stefan Arentz [EMAIL PROTECTED]
If you want to send Base64 encoded data in a query parameter (or post
data) then you will need to 'percentage-escape' it properly. In which
case a '+' needs to be translated to a '%2b'.
Bingo!
-- Original message --
From: Stefan Arentz [EMAIL PROTECTED]
If you want to send Base64 encoded data in a query parameter (or post
data) then you will need to 'percentage-escape' it properly. In which
case a '+' needs to be translated to a '%2b'.
I
For some reason, using standard trigonometric functions are not
behaving as they should once you hit 90 degrees. I'm not importing
another framework/library and assuming the ones I'm calling are the
same ones found in the standby math.h. The functions return correct
values until you
Just to make sure, you are aware those functions from math.h take
arguments in radians, and not degrees, right?
--
ivan
On Jul 13, 2008, at 12:30 AM, Patrick Walker wrote:
For some reason, using standard trigonometric functions are not
behaving as they should once you hit 90 degrees. I'm
On Jul 13, 2008, at 12:25 AM, [EMAIL PROTECTED] wrote:
-- Original message --
From: Stefan Arentz [EMAIL PROTECTED]
If you want to send Base64 encoded data in a query parameter (or post
data) then you will need to 'percentage-escape' it properly. In which
Yes, I'm aware that you need to supply radians.
Everthing appears to be fine when going from 0 to 45 degrees but at 90
degrees, the tangent returns -22877334.
I've even tried doing the tan(x) = sin(x) / cos(x) approach.
On 13-Jul-08, at 1:36 AM, Ivan Kourtev wrote:
Just to make sure, you
On 12 Jul '08, at 7:50 PM, Stefan Arentz wrote:
I would like to use text labels that turn into editable text fields
when you click them. Like Address Book has when you edit an address
card. Does anyone know how those work? Is it a matter of flipping
the editable property or are those
On Jul 12, 2008, at 9:40 PM, em wrote:
...
I can easily transport 'strings' over a network using UDP multi-
casting/broadcasting via Quartz Composer, but some of these
strings may get a little lengthy. What's a good language
statement(s) (obj c API) for transporting small (10MB) data
Show your code.
Obviously the tan() function works as it should, so it must be how
you're using it.
Graham
On 13 Jul 2008, at 2:43 pm, Patrick Walker wrote:
Yes, I'm aware that you need to supply radians.
Everthing appears to be fine when going from 0 to 45 degrees but at
90 degrees,
On Sun, Jul 13, 2008 at 12:43 AM, Patrick Walker
[EMAIL PROTECTED] wrote:
Yes, I'm aware that you need to supply radians.
Everthing appears to be fine when going from 0 to 45 degrees but at 90
degrees, the tangent returns -22877334.
I've even tried doing the tan(x) = sin(x) / cos(x)
On 12 Jul '08, at 6:40 PM, em wrote:
I can easily transport 'strings' over a network using UDP multi-
casting/broadcasting via Quartz Composer, but some of these
strings may get a little lengthy. What's a good language
statement(s) (obj c API) for transporting small (10MB) data
On 12 Jul '08, at 9:43 PM, Patrick Walker wrote:
Everthing appears to be fine when going from 0 to 45 degrees but at
90 degrees, the tangent returns -22877334.
That's not what I get. I just compiled and ran:
printf(tan(90) = %g\n, tan(M_PI/2));
which printed:
tan(90) =
On Jul 12, 2008, at 8:33 PM, Stefan Arentz wrote:
If that's OK so far, how about linking? Is Linking to the SQLite
library
transparent from XCode?
Looks like the CoreData framework is directly linked against sqlite.
That doesn't matter. If you want to use the SQLite 3 API from your
Now I have found a possible solution, which is working well to me:
just simply change the declaration in header file by adding extern
keyword, which will prevent the instant being created repeatedly. Wish
this helpful to others.
On Jul 1, 2008, at 2:53 PM, [EMAIL PROTECTED] wrote:
On 12 Jul '08, at 9:25 PM, [EMAIL PROTECTED] wrote:
Is there some content type I could use other than application/x-www-
form-urlencoded that would work with PHP scripts?
You can use any content-type you like, but your PHP script will then
have to read the data from the input stream
On 12 Jul '08, at 8:25 PM, John Velman wrote:
I'd be happy to be pointed to the right documentation! I've read a
few
hundred pages in the past week, but haven't come across anything
directly
related to this.
Introduction to the sqlite3 API: http://www.sqlite.org/cintro.html
Full API
On 12 Jul '08, at 5:22 PM, StaS Bandol wrote:
but my 192.168.1.1 still not recieve nothing...
where i'm wrong?
That's because you didn't write anything to the streams. You just
opened and scheduled them. You need to wait for the streams to finish
opening them, then write to the output
Hi all,
I met some problems on updating the content of my table with the
following scenario:
My table is contained in a separated window(tableWindow.xib), so I use
a TableController class to control it(File's Owner of the window). The
following is the instant of TableController:
I'm trying to use the new custom views in NSMenuItem from within an
NSPopUpButton. However, I would like these items to still be
selectable, that is, if the user lets go while hovering on top of
one, I'd still like the NSPopUpButton to use it's index for the
displayed item. I can't seem
On 12 Jul '08, at 10:35 PM, JArod Wen wrote:
The problem is that after I update the data source, which is
tableSource in tableController, [dataTable reloadData] will not
update the table view in the window
You're sure that, at runtime, 'dataTable' is not nil? It's easy to
overlook an
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