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What's a reliable way to make an iOS app crash?
I want to test my app's crash reporting out in the field by deliberately having it crash when the user performs a particular action that a real user is unlikely to do accidentally.
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Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
18
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What are the Dangers of Method Swizzling in Objective-C?
...at sharp knives are safer.
Method swizzling can be used to write better, more efficient, more maintainable code. It can also be abused and lead to horrible bugs.
Background
As with all design patterns, if we are fully aware of the consequences of the pattern, we are able to make more informed dec...
Why do objects of the same class have access to each other's private data?
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Because that's how it works in C++. In C++ access control works on per-class basis, not on per-object basis.
Access control in C++ is implemented as a static, compile-time feature. I think it is rather obvious that it is not really possible to imp...
Why does this method print 4?
I was wondering what happens when you try to catch an StackOverflowError and came up with the following method:
7 Answers
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How can I merge properties of two JavaScript objects dynamically?
...eed to be able to merge two (very simple) JavaScript objects at runtime. For example I'd like to:
63 Answers
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How does this giant regex work?
I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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Java volatile reference vs. AtomicReference
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Short answer is: No.
From the java.util.concurrent.atomic package documentation. To quote:
The memory effects for accesses and updates of atomics generally follow the rules for volatiles:
get has the memory effects...
support FragmentPagerAdapter holds reference to old fragments
...gment manager are saved automatically. Even if your app is killed, this information is restored when you relaunch your app.
Now consider that you have viewed a few pages, Fragments A, B and C. You know that these have been added to the fragment manager. Because you are using FragmentPagerAdapter an...
Jenkins on OS X: xcodebuild gives Code Sign error
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Keychains need to be unlocked before they can be used. You can use security unlock-keychain to unlock. You can do that interactively (safer) or by specifying the password on the command line (unsafe), e.g.:
security unlock-keychain -p mySecretPassword...
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