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Collections.emptyList() vs. new instance
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So, would Collections.emptyList() be more suitable for let's say, error checking and the like?
– mre
Apr 5 '11 at 13:05
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Best way to specify whitespace in a String.Split operation
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209
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NSOperation vs Grand Central Dispatch
...ng a custom NSOperation or NSInvocationOperation to do this requires a lot more supporting code. I know that you can use an NSBlockOperation, but you might as well be dispatching something to GCD then. Wrapping this code in blocks inline with related processing in your application leads in my opinio...
how to access iFrame parent page using jquery?
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What is difference between XML Schema and DTD?
...n XML schema and DTD (document type definition), and why the XML schema is more powerful compared to DTD.
12 Answers
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Git: Find the most recent common ancestor of two branches
...d yet it's often thought of as a tree, which it technically is not. To be more careful in my wording, I was talking about the case where you want the parent of the first instance of the "branches" diverging... since they may have multiple points where they re-merged and re-split, this is the "oldes...
Total size of the contents of all the files in a directory [closed]
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Objective-C and Swift URL encoding
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To escape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@...