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Set keyboard caret position in html textbox

... elements value, it will put the keyboard caret at the end. Tested on IE6 and up, Firefox 2, Opera 8, Netscape 9, SeaMonkey, and Safari. Unfortunately on Safari it does not work in combination with the onfocus event). An example of using the above function to force the keyboard caret to jump to ...
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Best way to check if a URL is valid

.... But it can't read your mind. There's a huge difference between invalid and unwanted.. Unwanted is very subjective, which is why it's left to the programmer to work out that detail. You might also note the code validates the URL, but doesn't prove it exists. It's not PHP's fault that a user mi...
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Quickly create a large file on a Linux system

...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img ...
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Unable to verify leaf signature

... Note: the following is dangerous, and will allow API content to be intercepted and modified between the client and the server. This also worked process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0'; ...
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mongodb: insert if not exists

...-find-else-update block entirely. It will insert if the key doesn't exist and will update if it does. Before: {"key":"value", "key2":"Ohai."} After: {"key":"value", "key2":"value2", "key3":"value3"} You can also specify what data you want to write: data = {"$set":{"key2":"value2"}} Now yo...
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Remove accents/diacritics in a string in JavaScript

... is now trivial to globally get rid of the diacritics, which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block. See comment for performance testing. Alternatively, if you just want sorting Intl.Collator has sufficient support ~95% right now, a polyfill is als...
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Does Django scale? [closed]

...e a list of Django sites on the front page of the main Django project page and then a list of Django built sites at djangosites.org. Going through the lists and picking some that I know have decent traffic we see: Instagram: What Powers Instagram: Hundreds of Instances, Dozens of Technologies. Pi...
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How do I tar a directory of files and folders without including the directory itself?

...he job in one line. It works well for hidden files as well. "*" doesn't expand hidden files by path name expansion at least in bash. Below is my experiment: $ mkdir my_directory $ touch my_directory/file1 $ touch my_directory/file2 $ touch my_directory/.hiddenfile1 $ touch my_directory/.hiddenfile2...
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How to jump to a particular line in a huge text file?

... MiniQuark, I tried it, it actually works, and really quickly. I'll need to see what happens if I work on a dozen of files at the same time this way, find out at what point my system dies. – user63503 Mar 6 '09 at 22:46 ...
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)

...5-16]: Apple has fixed this problem with updated system Pythons (2.7, 2.6, and 2.5) in OS X 10.9.3 so the workaround is no longer necessary when using the latest Mavericks and Xcode 5.1+. However, as of now, the workaround is still required for OS X 10.8.x (Mountain Lion, currently 10.8.5) if you a...