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What does jQuery.fn mean?

...roperty. The jQuery identifier (or $) is just a constructor function, and all instances created with it, inherit from the constructor's prototype. A simple constructor function: function Test() { this.a = 'a'; } Test.prototype.b = 'b'; var test = new Test(); test.a; // "a", own property test....
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SQL Server SELECT into existing table

... It is a best practice to always specify the columns no matter if they are all there or not. It will help prevent things from breaking when someone adds a column. – HLGEM Apr 24 '13 at 15:49 ...
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Why doesn't Java support unsigned ints?

...ut simplicity: Gosling: For me as a language designer, which I don't really count myself as these days, what "simple" really ended up meaning was could I expect J. Random Developer to hold the spec in his head. That definition says that, for instance, Java isn't -- and in fact a lot of these lan...
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getExtractedText on inactive InputConnection warning on android

...her way to clear text: Editable.clear(). With this I don't get warnings at all: if (editText.length() > 0) { editText.getText().clear(); } Note that should you wish to clear all input state and not just the text (autotext, autocap, multitap, undo), you can use TextKeyListener.clear(Editabl...
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Which version of Perl should I use on Windows? [closed]

...e repeatedly had with ActiveState is that my modules sometimes fail to install because I need an upgrade to a core module, but they won't allow that. Thus, everybody who doesn't use Windows can use my code, but they can't do that with ActiveState's Perl. ActiveState also has a very dodgy build sys...
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How can I get column names from a table in SQL Server?

I want to query the name of all columns of a table. I found how to do this in: 20 Answers ...
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Format date in a specific timezone

...s might be the way to go. I'm currently working on a similiar problem with all timestamps stored as UTC in MySQL, but to be viewed in a specific zone dependent on user config and not the timezone of the client. – nickdnk Aug 18 '15 at 11:32 ...
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How does grep run so fast?

I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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What is the maximum amount of RAM an app can use?

...he heap limit. And, since Android 3.0, apps can request a "large heap", usually in the hundreds of MB range, but that's considered poor form for most apps. Furthermore, I noticed that some apps of mine crash with an OutOfMemoryException when using around 30-40 Megabytes. Bear in mind that the ...
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Is there a difference between foo(void) and foo() in C++ or C?

...tion across both languages and make our headers multilingual (though we usually need to do some more things to the headers to make them truly cross-language; namely, wrap them in an extern "C" if we're compiling C++). share ...