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Merging objects (associative arrays)

... with jquery you can call $.extend var obj1 = {a: 1, b: 2}; var obj2 = {a: 4, c: 110}; var obj3 = $.extend(obj1, obj2); obj1 == obj3 == {a: 4, b: 2, c: 110} // Pseudo JS (assoc. arrays are objects in js) look here: http://api.jquery.com/jQu...
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Can gcc output C code after preprocessing?

...tenate lines, choke on special characters, etc.) Asuming you have gcc installed, the command line is: gcc -E -x c -P -C -traditional-cpp code_before.cpp > code_after.cpp (Doesn't have to be 'cpp'.) There's an excellent description of this usage at http://www.cs.tut.fi/~jkorpela/html/cpre.htm...
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Using $_POST to get select option value from HTML

... Use this way: $selectOption = $_POST['taskOption']; But it is always better to give values to your <option> tags. <select name="taskOption"> <option value="1">First</option> <option value="2">Second</option> &lt...
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XMLHttpRequest status 0 (responseText is empty)

... Why is this being downvoted? It is actually true! XHR requests from file:// URLs of files also on file:// URLs actually have status == 0 on success (tested on FF 24.0.5). – Daniel Roethlisberger Dec 31 '14 at 21:20 ...
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Select columns from result set of stored procedure

... Here's a link to a pretty good document explaining all the different ways to solve your problem (although a lot of them can't be used since you can't modify the existing stored procedure.) How to Share Data Between Stored Procedures Gulzar's answer will work (it is document...
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How to change the timeout on a .NET WebClient object

...lt timeout?? – knocte Nov 13 '12 at 16:16 23 The default timeout is 100 seconds. Although it see...
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MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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Why do most fields (class members) in Android tutorial start with `m`?

...art with a lower case letter. Public static final fields (constants) are ALL_CAPS_WITH_UNDERSCORES. Note that the linked style guide is for code to be contributed to the Android Open Source Project. It is not a style guide for the code of individual Android apps. ...
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How do I pass a variable by reference?

... random_user 70011 gold badge66 silver badges1616 bronze badges answered Jun 12 '09 at 11:18 Blair ConradBlair Conrad 190k2...
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Difference between app.all('*') and app.use('/')

Is there a useful difference between app.all('*', ... ) and app.use('/', ...) in Node.JS Express? 7 Answers ...