Showcase your knowledge about Apple's newest OS. Write a how-to or share a tip or trick about Snow Leopard and earn unlimited points!

 

Having problems asking a question? Have a general question about Experts Exchange? Let us know!

 
Time Tested Objective-C Solutions: 1 - 25 of 32
 
I have been 'programming' in Access and VBA for years and outside of High School and College programming classes years ago, that is the extent of my programming.  I am now trying to learn Obje...
Hi all, I need to close an app programmatically and I am doing so with the code attached. I am getting this warning, however: "Warning: 'UIApplication' may not respond to '-terminateW...
Hi, I've been searching for an Objective-C compiler for Windows.  I've come across Minimalist GNU for Windows but I can't download it from SourceForge.Net due to some kind of crazy download m...
How do I get the computer time in seconds and milliseconds since the epoch? I am using XCode and coding in C and running on Intel computers. I want to use ftime() but I can't work out how to ...
Hi all, I have an iPhone app with a view where the user enters a text value into a UITextField and I need to get the values as character arrays. Please see the attached code. Also, please l...
Hi all, I have a multiview iPhone app that uses a cpp header and implementation file that I created earlier. I want to declare a variable of the type of the class from my cpp header file th...
Can someone explain what a class method is or better yet what an example would be? I have looked through my Cocoa book and documentation online but I am not getting it. I understand instance m...
Hi Experts, I am trying to develop an iPhone application that gets some data from a socket and parses it for display. I basically have it working, but would like to pass some of the logic t...
hi experts quite a long question, hence the 500 points. also an "advice" question, rather than a right or wrong, so points will go to whoever can help me out. i'd really like your advice...
I'm new to objective C and iPhone development.  I'm attempting to modify some project template code.  There is a simple table view which overloads cellForRowAtIndexPath, which simply sets a UI...
I am not sure how to remove duplicate numbers in a NSMutableArray and whether to remove them before sorting or not.  And is there an easy way to remove duplicate numbers before they are even a...
I try to send data to a php script  that stores the information. And I'm trying to send a syncronousRequest with Objc code from iPhone using a POST NSMutableURLRequest. But the answer al...
I have an NSMutableArray with 500 items, how can i go about shuffling the first 250 items? So first 250 shuffles, the other 250 remain in the same order. The 250 shuffled items still nee...
hey i am currently coding an app for windows mobile that uses the functions of a tapi program etc... anyway i was wondering if there was a way to do this with the Iphone.. im making a c...
hi, i wrote a simple FOR LOOP  program in cocoa-objective c   (MAC os- compiler XCode). but it not working properly. the loop iterating  only upto some value near to 714300( value change ea...
Hi, I want to make an NSMutableDictionary instance where the key is a double. It seems like it's only taking an NSString or 'id' type though for key. Is there a way to do that? I'm coming f...
I just wrote some code that looks like this.      NSDecimalNumber *low = [NSDecimalNumber decimalNumberWithDecimal:[NSNumber numberWithDouble:-1].decimalValue]; That gives me an number with ...
I have downloaded the source to OpenSSL, http://www.openssl.org/source/openssl-0.9.8h.tar.gz. I need to compile rand, bio, sha, rsa and pem from libcrypto directly into my application so I do ...
Hi, Suppose the scenario where I have 10 individual iphone projects(or 10 developers working on a single iphone application) We already have an iMac. I would like to know, whether each develo...
I have been 'programming' in Access and VBA for years and outside of High School and College programming classes years ago, that is the extent of my programming.  I am now trying to learn Obje...
I have a simple polynomial expression I am trying to evaluate. The expression should result in a value of 23.231625 but instead the program outputs a value of 6381. What am I missing? BTW the ...
Dear all, Because this is the question: Make the application sort people based on the number of characters in their name. You can complete this challenge using only Interface Builder; th...
I am a ColdFusion programmer who is trying to get his feet wet in oop with Objective-C. I have picked up the book "Programming in Objective-C 2.0 by Stephen Kochan. I have faithfully reproduce...
Hello,  I am new to Objective-C and was trying to create a word game for fun but I get an invalidArgument exception when using the following code. Any help?
Dear all, I am currently righting a very simple application to count the number of letters in a textbox and then output it to a label. I know how to apply the string to the label etc and...