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Using jQuery to replace one tag with another

... this seems to be the most elegant solution, tho i'll admit i don't understand what's going on inside the replaceWith function. would love to hear more. i.e. how is assigning the opening AND closing tags? does the space in <pre /> accomplish that? – jon A...
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Detect rotation of Android phone in the browser with JavaScript

I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle. ...
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Why is there a difference in checking null against a value in VB.NET and C#?

... VB.NET and C#.NET are different languages, built by different teams who have made different assumptions about usage; in this case the semantics of a NULL comparison. My personal preference is for the VB.NET semantics, which in esse...
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How do I parse a URL into hostname and path in javascript?

...("http://example.com/aa/bb/") Returns an object with properties hostname and pathname, along with a few others. The first argument is a relative or absolute URL; if it's relative, then you need to specify the second argument (the base URL). For example, for a URL relative to the current page: ne...
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How do you keep parents of floated elements from collapsing? [duplicate]

... Solution 1: The most reliable and unobtrusive method appears to be this: Demo: http://jsfiddle.net/SO_AMK/wXaEH/ HTML: <div class="clearfix"> <div style="float: left;">Div 1</div> <div style="float: left;">Div 2</div...
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Read only the first line of a file?

...ile again when the block ends. The with statement only works in Python 2.5 and up, and in Python 2.5 you need to use from __future__ import with_statement In Python 3 you should specify the file encoding for the file you open. Read more... ...
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How to zero pad a sequence of integers in bash so that all have the same width?

...speaking, seq supports a subset of the format chars. that printf supports (and that subsets includes g, but not d). The behavior of characters d and g differs subtly in that d interprets 0-prefixed numbers strings as octal numbers and converts them to decimal, whereas g treats them as decimals. (@Ed...
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Purpose of Django setting ‘SECRET_KEY’

...ly is the point of the SECRET_KEY in django? I did a few google searches and checked out the docs ( https://docs.djangoproject.com/en/dev/ref/settings/#secret-key ), but I was looking for a more in-depth explanation of this, and why it is required. ...
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How to open a second activity on click of button in android app

I am learning to build android applications and I need some specific help. I can't seem to get my head around which bits of template code I am required to change, and which bits are static. ...
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What is this: [Ljava.lang.Object;?

...f the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of: getClass().getName() + '@' + Integer.toHexString(hashCode()) Note: you can no...