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jQuery pitfalls to avoid [closed]

...ed"); }); I found this the enlightening moment when I realized how the call stacks work. Edit: incorporated suggestions in comments. share | improve this answer | follow ...
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How do I iterate through children elements of a div using jQuery?

... Use children() and each(), you can optionally pass a selector to children $('#mydiv').children('input').each(function () { alert(this.value); // "this" is the current element in the loop }); You could also just use the immediate child selector: $('#mydiv &gt...
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MySQL integer field is returned as string in PHP

...row array had appropriate data types. Now I'm having to write code to manually cast every element to the data type I'm expecting. – GordonM Mar 25 '11 at 10:14 25 ...
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When would you use a WeakHashMap or a WeakReference?

...th user-supplied images, like the web site design tool I work on. Naturally you want to cache these images, because loading them from disk is very expensive and you want to avoid the possibility of having two copies of the (potentially gigantic) image in memory at once. Because an...
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Lists in ConfigParser

... It's awesome because it does automatically "cast" values which can be useful if you don't know the types beforehand. – LeGBT Oct 26 '14 at 21:26 ...
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Is there a performance impact when calling ToList()?

...on) constructor. This constructor must make a copy of the array (more generally IEnumerable<T>), otherwise future modifications of the original array will change on the source T[] also which wouldn't be desirable generally. I would like to reiterate this will only make a difference with a hu...
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How should I detect unnecessary #include files in a large C++ project?

...a .cpp file, Properties->C/C++->Advanced) that will output a tree of all included files at compile time. This can help in identifying files that shouldn't need to be included. You can also take a look at the pimpl idiom to let you get away with fewer header file dependencies to make it easie...
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'

...Copy Local property to True or False In Solution Explorer, click the Show All Files button to display the References node. Open the References node for the project. Right-click a reference in the References list, and click Properties. The properties associated with that reference appear in a list...
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Parse string to DateTime in C#

...teTime.Parse() will try figure out the format of the given date, and it usually does a good job. If you can guarantee dates will always be in a given format then you can use ParseExact(): string s = "2011-03-21 13:26"; DateTime dt = DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo.Invar...
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What should I do when 'svn cleanup' fails?

... When starting all over is not an option... I deleted the log file in the .svn directory (I also deleted the offending file in .svn/props-base), did a cleanup, and resumed my update. ...