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How to get the containing form of an input?

...ut fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this. If this were a different type of element (not an <input>), you could find the closest parent with closest: var $form = $(element).closest('form'); ale...
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How to automatically select all text on focus in WPF TextBox?

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How can I determine if a variable is 'undefined' or 'null'?

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Remove all but numbers from NSString

...tring separator. Not as efficient as picking through characters, but much more compact in code. share | improve this answer | follow | ...
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How to find unused images in an Xcode project?

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What is eager loading?

What is eager loading? I code in PHP/JS but a more generalised answer will be just fine. 4 Answers ...
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Useless use of cat?

...ds) but chiefly for a compelling reason of function. The latter reason is more important so I will put it out first. When I offer a pipeline as a solution I expect it to be reusable. It is quite likely that a pipeline would be added at the end of or spliced into another pipeline. In that case havin...
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How to generate a simple popup using jQuery

...n ajax call. It's best to avoid this if possible as it may give the user a more significant delay before seeing the content. Here couple changes that you'll want to make if you take this approach. HTML becomes: <div> <div class="messagepop pop"></div> <a href="/contac...
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Why do most fields (class members) in Android tutorial start with `m`?

... ignore the prefix (or suffix) to see the meaningful part of the name. The more we read the code, the less we see the prefixes. Eventually the prefixes become unseen clutter and a marker of older code." - Robert Martin in Clean Code – mikugo Jan 2 '16 at 19:07 ...
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How to write to file in Ruby?

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