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How to avoid passing parameters everywhere in play2?

...> } </div> @content </body> </html> Now if you have templates calling this main template, you can have the menus parameter implicitly passed for you to the main template by the Scala compiler if it is declared as an implicit parameter in these templates as well...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

...t executed command. Try the following in the shell: ls somefile echo $? If somefile exists (regardless whether it is a file or directory), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other...
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UILabel with text of two different colors

...ableString rangeOfString:textToFind options:NSCaseInsensitiveSearch]; if (range.location != NSNotFound) { [self addAttribute:NSForegroundColorAttributeName value:color range:range]; } } Use it like - (void) setColoredLabel { NSMutableAttributedString *string = [[NSMutableAttr...
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Unsubscribe anonymous method in C#

... Using this kind of code, Resharper complains about accessing a modified closure... is this approach reliable? I mean, are we sure that the 'foo' variable inside the body of the anonymous method, really references the anonymous method itself? – BladeWise ...
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Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine

... But what if the script is very specific to the partial? Doesn't it make logical sense for it to be defined in the partial, and not the view? – Jez Oct 25 '12 at 14:57 ...
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function

... Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of scenarios, can only initialize a map if the keys are valid Python identifiers. This works: a = {'import': 'trade', 1: 7.8} a = dict({'import': 'trade', 1: 7.8}) This won't work: a = ...
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What is the easiest way to push an element to the beginning of the array?

... What about using the unshift method? ary.unshift(obj, ...) → ary Prepends objects to the front of self, moving other elements upwards. And in use: irb>> a = [ 0, 1, 2] => [0, 1, 2] irb>> a.unshift('x') => ["x", 0, 1, 2] i...
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?

I'm converting an app to use fragments using the compatibility library. Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B. ...
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]

... developer from opening XCode. In Visual Studio all three platforms are now supported and a cloud testing suite is on the horizon. From the get go, Xamarin has provided a rich Android visual design experience. I have yet to download or open Eclipse or any other IDE besides Xamarin. Wh...
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mmap() vs. reading blocks

...able length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since the input file gets scanned many times. ...