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Cast Object to Generic Type for returning
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I know it's from the OP, but really { catch(ClassCastException e) { return null; } is unforgiveable
– artbristol
Jan 25 '13 at 16:38
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
... (nullables has been introduced with .NET 2.0 and anyway it's also a well-known convention in use from many years) if they didn't find anything. Let's imagine you have an array of objects comparable with a string. You may think to write this code:
// Items comparable with a string
Console.WriteLine...
Breaking up long strings on multiple lines in Ruby without stripping newlines
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Three years later, there is now a solution in Ruby 2.3: The squiggly heredoc.
class Subscription
def warning_message
<<~HEREDOC
Subscription expiring soon!
Your free trial will expire in #{days_until_expiration} days.
Plea...
What is a mutex?
...rom a thread, it merely gives it to you, and lock() returns - the mutex is now yours and only yours. Nobody else can steal it, because calling lock() will block him. There is also try_lock() that will block and return true when mutex is yours and immediately false if mutex is in use.
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How to make an app's background image repeat
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I really don't know how is this so low rated. Herd instinct? This is the native implementation of tiled background
– Michał K
Apr 8 '12 at 13:00
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What to do on TransactionTooLargeException
...not exchange huge data (>1MB) between services and application
I dont know how to do this, but, Do not query android, which can return huge data :-)
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Why can't decimal numbers be represented exactly in binary?
... factors other than 2 or 5 will not have a terminating representation.
So now going back to bases 10 and 2, we see that any rational with a terminating 10-representation will be of the form p/q exactly when q has only 2s and 5s in its prime factorisation; and that same number will have a terminatin...
How do I specify multiple targets in my podfile for my Xcode project?
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CocoaPods 1.0 has changed the syntax for this. It now looks like this:
def shared_pods
pod 'SSKeychain', '~> 0.1.4'
pod 'INAppStoreWindow', :head
pod 'AFNetworking', '1.1.0'
pod 'Reachability', '~> 3.1.0'
pod 'KSADNTwitterFormatter', '~> 0.1.0'...
Vim: Move cursor to its last position
... then I see this behavior: I stand on line 1, then press j twice in a row (now I'm on line 3) then pressing double backtick gets to me line 1 and I expect it to move to line 2.
– Idan K
Feb 20 '11 at 8:56
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What's the difference between the atomic and nonatomic attributes?
.../nonatomic/retain/assign/copy are merely advisory. (Note: @synthesize is now the default behavior in recent versions of LLVM. There is also no need to declare instance variables; they will be synthesized automatically, too, and will have an _ prepended to their name to prevent accidental direct ...