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How to get a variable value if variable name is stored as string?

... answered Dec 17 '09 at 12:09 Phil RossPhil Ross 22.5k99 gold badges6666 silver badges7474 bronze badges ...
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Foreign key constraints: When to use ON UPDATE and ON DELETE

... 490 Do not hesitate to put constraints on the database. You'll be sure to have a consistent database...
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What does “O(1) access time” mean?

... | edited Jan 19 '10 at 1:31 answered Mar 30 '09 at 16:25 ...
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How to test if a string is basically an integer in quotes using Ruby

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Effects of the extern keyword on C functions

... 140 We have two files, foo.c and bar.c. Here is foo.c #include <stdio.h> volatile unsigned ...
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jQuery callback for multiple ajax calls

...tions) options = {}; numRequestToComplete = options.numRequest || 0; requestsCompleted = options.requestsCompleted || 0; callBacks = []; var fireCallbacks = function() { alert("we're all complete"); for (var i = 0; i < callBacks.length; i++...
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How do you get centered content using Twitter Bootstrap?

... For other types of content, see Flavien's answer. Update: Bootstrap 2.3.0+ Answer The original answer was for an early version of bootstrap. As of bootstrap 2.3.0, you can simply give the div the class .text-center. Original Answer (pre 2.3.0) You need to define one of the two classes, row o...
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How do I center floated elements?

...gination a { - display: block; + display: inline-block; width: 30px; height: 30px; - float: left; margin-left: 3px; background: url(/images/structure/pagination-button.png); } (remove the lines starting with - and add the lines starting with +.) .pagination { ...
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Chrome sendrequest error: TypeError: Converting circular structure to JSON

... 509 It means that the object you pass in the request (I guess it is pagedoc) has a circular referen...
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Detect IF hovering over element with jQuery

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