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Git alias with positional parameters

... Does this work if you want to set default arguments? e.g. I want to do this to fetch a Github PR: fp = "! 1=${1:-$(git headBranch)}; 2=${2:-up}; git fetch -fu $2 pull/$1/head:$1; git checkout $1; git branch -u $2 #". This works great without the first two...
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In Objective-C why should I check if self = [super init] is not nil?

... For example: [[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"]; [[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"]; [NSImage imageNamed:@"AnImageThatIsntInTheImageCache"]; ... and so on. (N...
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How to rotate portrait/landscape Android emulator? [duplicate]

... Numpad => It works for me only with Num Lock set to ON. If it's off does not work for me. For the rest, answer should be the accepted one. – Xavi Montero Nov 17 '14 at 0:40 ...
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Is there a format code shortcut for Visual Studio?

... Indeed, but for clarity: the C# settings for vs2010 are still as described in my answer. – Jason Williams Jan 20 '12 at 17:57 ...
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Mapping a function on the values of a map in Clojure

I want to transform one map of values to another map with the same keys but with a function applied to the values. I would think there was a function for doing this in the clojure api, but I have been unable to find it. ...
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How to create a colored 1x1 UIImage on the iPhone dynamically?

... You can use CGContextSetFillColorWithColor and CGContextFillRect for this: Swift extension UIImage { class func image(with color: UIColor) -> UIImage { let rect = CGRectMake(0.0, 0.0, 1.0, 1.0) UIGraphicsBeginImageContext...
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How does this print “hello world”?

...ee that the ascii characters we want to map begin with the 7th and 6th bit set (11xxxxx₂) (except for space, which only has the 6th bit on), you could OR the 5-bit codification with 96 (96₁₀ = 1100000₂) and that should be enough to do the mapping, but that wouldn't work for space (darn space...
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How does the “this” keyword work?

...> alert("I'm evaluated in the initial global execution context!"); setTimeout(function () { alert("I'm NOT evaluated in the initial global execution context."); }, 1); </script> When evaluating code in the initial global execution context, ThisBinding is set to the global obje...
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How can I install pip on Windows?

...r excluded from using community libraries by the prohibitive difficulty of setup. In shipping with a package manager, Python joins Ruby, Node.js, Haskell, Perl, Go—almost every other contemporary language with a majority open-source community. Thank you, Python. If you do find that pip is not ava...
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How do I check CPU and Memory Usage in Java?

... So if I'm runnin in Eclipse, this will depend on my Eclipse settings? – Coffee Mar 1 '13 at 2:08 4 ...