These are the best articles I’ve seen on multiple storyboards. Storyboard best practices Linking storyboards with segues Not only does this guy tell you how to create a new storyboard in code, he recommends multiple storyboards in practice (more modular code) discusses when to use xibs vs storyboards (xibs hold views, storboards are based on … Read more
This makes a lot of sense when you are trying to add a static library to your xcode projects. There are a couple steps required for doing this. First, make sure that the static library project is not open in XCode. Then start by dragging and dropping the static library xcodeproj file (from the Finder) … Read more
Please Go through the Apple’s Documentation for More Details. The above Apple’s Link contains explanation of what I am displaying in crash reports settings image and how to use crash report to symolicate the hexadecimal values. Now the following things you should take care to generate crash report while building your application. In xcode project … Read more
ARC is supported on iOS 4.3 and above. You need to use the iOS 5.x SDK but can select iOS 4.3 for the Deployment Target. The one thing that is not supported in 4.x is automatic weak reference zeroing. See Apple’s documentation here for the Objective-C Feature Availability Index. Xcode 4.4 and 4.5 can be … Read more
From http://clang.llvm.org/docs/AutomaticReferenceCounting.html#autoreleasepool: @autoreleasepool may be used in non-ARC translation units, with equivalent semantics. and Greg Parker says [1] [2]: LLVM 3.0’s @autoreleasepool { … } is much faster than NSAutoreleasePool if your deployment target is new enough. No ARC required. (…) always works, but it’s faster with deployment target of OS X 10.7 or iOS … Read more
If I decide to upgrade to iOS 5, do I need to remove all [myObject retain] and [myObject release] statements from my code? Yes, but XCode 4.2 includes a new “Migrate to Objective-C ARC” tool (in the Edit->Refactor menu), which does that for you. Calling dealloc is a different story. As mentioned in the comments … Read more
Add your custom font into your project , i.e. Dragged the font file(CALIBRIZ_0.TTF) into XCode project. Edit Info.plist: Add a new entry with the key “Fonts provided by application”. For each of your files, add the file name to this array Opened the font in font book(double click on your font in finder) to see … Read more
ARC doesn’t get rid of retains, releases and autoreleases, it just adds in the required ones for you. So there are still calls to retain, there are still calls to release, there are still calls to autorelease and there are still auto release pools. One of the other changes they made with the new Clang … Read more
To get Xcode 4.2 on Snow Leopard to run code on a device running iOS 5.1 you can do this: If you have another Mac running Lion and Xcode 4.3.1 you can copy the files from: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/5.1 (9B176) Place the copied files in the equivalent place on your Snow Leopard Mac: probably /Developer/Platforms/iPhoneOS.platform/DeviceSupport Similarly copy … Read more
This answer was edited multiple times and now contains several alternative solutions. Try the simple “Edit 3” solution first. Ruby 1.9.3-p125 and later have official support for clang, so if you are installing such a version you should not need GCC. If you’re installing an older version of Ruby, read on. To compile Ruby with … Read more