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Casting vs using the 'as' keyword in the CLR

...d within the if body.) That's slightly annoying in some cases, so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast. I don't think any of the answers so far (at the time of starting this answer!) have r...
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Where is my Django installation?

... Current top (accepted) answer works with my Ubuntu installation. As does yours. As do all of them! – Adam Marshall Apr 28 '14 at 14:24 ...
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How to check if all elements of a list matches a condition?

... The best answer here is to use all(), which is the builtin for this situation. We combine this with a generator expression to produce the result you want cleanly and efficiently. For example: >>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]] >>...
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Replace multiple characters in one replace call

... just have to chain. However, you could add a prototype: String.prototype.allReplace = function(obj) { var retStr = this; for (var x in obj) { retStr = retStr.replace(new RegExp(x, 'g'), obj[x]); } return retStr; }; console.log('aabbaabbcc'.allReplace({'a': 'h', 'b': 'o'}))...
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What is the common header format of Python files?

... Its all metadata for the Foobar module. The first one is the docstring of the module, that is already explained in Peter's answer. How do I organize my modules (source files)? (Archive) The first line of each file shoud be #!/us...
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What new capabilities do user-defined literals add to C++?

C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation. ...
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Why would one use nested classes in C++?

... it at any time so you can not use it. Look at std::list or std::map they all contain hidden classes (or do they?). The point is they may or may not, but because the implementation is private and hidden the builders of the STL were able to update the code without affecting how you used the code, or...
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How do I include a pipe | in my linux find -exec command?

...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat. If you for some reason would like to invoke agrep multiple times, you can do: find . -name 'file_*' -follow -type f \ -printf "zcat %p | agrep -dEOE 'grep'\n" | s...
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How to set selected value of jquery select2?

... To dynamically set the "selected" value of a Select2 component: $('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'}); Where the second parameter is an object with expected values. UPDATE: This does work, just wanted to n...
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How to wait for several Futures?

...ave several futures and need to wait until either any of them fails or all of them succeed. 8 Answers ...