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What is the difference between 127.0.0.1 and localhost

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Using ls to list directories and their total sizes

... sort -rn sorts things in reverse numerical order. sort -rn | head -n 10 will show only the top few, if that's of any interest. – AgileTillIDie Mar 17 '14 at 13:51 ...
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Set android shape color programmatically

...s sent to the user. By the way, you will need to subclass ShapeDrawable in order to set the stroke portion. More info here: Link. Look at the comment as it mentions a problem with the accepted answer. – Vikram Oct 19 '13 at 1:33 ...
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Lock-free multi-threading is for real threading experts

...n't it? Most of the fun however can come from ensuring correct load/store ordering. Contrary to one's intuitions, CPUs are free to reorder memory reads/writes - they are very smart, by the way: you will have a hard time observing this from a single thread. You will, however run into issues when you...
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Can jQuery read/write cookies to a browser?

... doing. Typically you would have a user click what items they want to buy (ordering for example). Then they would hit a buy or checkout button. Then the form would send off to a page and process the result. You could do all of that with a cookie but I would find it to be more difficult. You may wa...
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How to embed an autoplaying YouTube video in an iframe?

...ight="345" src="http://www.youtube.com/embed/oHg5SJYRHA0?autoplay=1" frameborder="0" allowfullscreen></iframe> The JavaScript API for iframe embeds exists, but is still posted as an experimental feature. UPDATE: The iframe API is now fully supported and "Creating YT.Player objects - Exam...
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Convert SVG image to PNG with PHP

...= base64_decode($data[1]); $dimg=imagecreatefromstring($base64img); //in order to avoid copying a black figure into a (default) black background you must create a white background $im_out = ImageCreateTrueColor($width,$height); $bgfill = imagecolorallocate( $im_out, 255, 255, 255 ); imagefill( $i...
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How does Go compile so quickly?

...instructions in binary form. Extra work (but not much) needs to be done in order to transform the text into binary. The Go compiler targets only a small number of CPU architectures, while the GCC compiler targets a large number of CPUs Compilers which were designed with the goal of high compilation ...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

...mp__ method, it is called. This function must return an int indicating the order of the two object (-1 if self < other, 0 if self == other, +1 if self > other). Otherwise, the object are compared for identity (ie. they are reference to the same object, as can be tested by the is operator). T...
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Split a string by another string in C#

... In order to split by a string you'll have to use the string array overload. string data = "THExxQUICKxxBROWNxxFOX"; return data.Split(new string[] { "xx" }, StringSplitOptions.None); ...