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Assignment in an if statement

...ill be in C# 6.0. This feature is called "declaration expressions". See https://roslyn.codeplex.com/discussions/565640 for details. The proposed syntax is: if ((var i = o as int?) != null) { … i … } else if ((var s = o as string) != null) { … s … } else if ... More generally, the pro...
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How to convert array to SimpleXML

...ll allow you to set attributes in XML too. The source can be found here: https://github.com/digitickets/lalit/blob/master/src/Array2XML.php <?php $books = array( '@attributes' => array( 'type' => 'fiction' ), 'book' => array( array( '@attrib...
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Where can I find “make” program for Mac OS X Lion?

...nger provides command line tools in the Preferences section. You now go to https://developer.apple.com/downloads/index.action, and select the command line tools version for your OS X release. The installer puts them in /usr/bin. ...
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What is the best way to conditionally apply a class?

...ct"; } } } .selected { color:red; } <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.1/angular.min.js"></script> <div ng-app ng-controller="MyControl"> <ul> <li ng-class="getClass($index)" ng-repeat="value in values" &g...
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Responsive font size in CSS

...zes text to fit into a container and makes font size as big as possible. https://github.com/jquery-textfill/jquery-textfill share | improve this answer | follow ...
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#ifdef replacement in the Swift language

...fer to below link for more Swift Build Settings feature in Xcode 8: http://www.miqu.me/blog/2016/07/31/xcode-8-new-build-settings-and-analyzer-improvements/ share | improve this answer | ...
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Explaining Python's '__enter__' and '__exit__'

...r__ and __exit__ methods by Googling, so to help others here is the link: https://docs.python.org/2/reference/datamodel.html#with-statement-context-managers https://docs.python.org/3/reference/datamodel.html#with-statement-context-managers (detail is the same for both versions) object.__enter__...
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hash function for string

...ages.com/). In the file "gcc/libstdc++-v3/libsupc++/hash_bytes.cc", here (https://github.com/gcc-mirror/gcc/blob/master/libstdc++-v3/libsupc++/hash_bytes.cc), I found the implementations. Here's the one for the "32-bit size_t" return value, for example (pulled 11 Aug 2017): Code: // Implementa...
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MongoDB: How to update multiple documents with a single command?

...<update>, { upsert: <boolean>, multi: <boolean> } ) https://docs.mongodb.com/manual/reference/method/db.collection.update/ share | improve this answer | ...
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When should you branch?

...ompatible policy. * Branch late. * Branch, instead of freeze. See http://www.perforce.com/sites/default/files/pdf/perforce-best-practices.pdf for a detailed explanation of each of them and other best practice.