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Is it possible to install another version of Python to Virtualenv?

...get http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz $ wget https://raw.github.com/pypa/virtualenv/master/virtualenv.py Extract and install Python-2.7.3 into the pyenv dir. make clean is optional if you are doing this a 2nd, 3rd, Nth time... $ tar -xzvf Python-2.7.3.tgz $ cd Python-2.7.3 $ ...
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Black transparent overlay on image hover with only CSS?

...ightness(50%); } JSFiddle Demo References https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html http://www.html5rocks.com/en/tutorials/filters/understanding-css/ https://developer.mozilla.org/en-US/docs/Web/CSS/filter http://davidwalsh.name/css-filters http://net.tutsplus.com/tutorials/ht...
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How to detect total available/free disk space on the iPhone/iPad device?

...yle: ByteCountFormatter.CountStyle.file) } } //MARK: Get raw value class var totalDiskSpaceInBytes:Int64 { get { do { let systemAttributes = try FileManager.default.attributesOfFileSystem(forPath: NSHomeDirectory() as String) ...
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Coding Conventions - Naming Enums

...r. Literally, it makes me breathe easier. In Java, it is possible to use raw enum names as long as you static import them from another class. import static pkg.EnumClass.*; Now, you can use the unqualified names, that you qualified in a different way already. I am currently (thinking) about po...
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How can I get useful error messages in PHP?

... get a blank screen use IEs "view" -> "source" menu options to view the raw output. share | improve this answer | follow | ...
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Difference between \n and \r?

...mode terminals (typically emulating even-older printing ones as above), in raw mode, \r and \n act similarly (except both in terms of the cursor, as there is no carriage or roller;-) In practice, in the modern context of writing to a text file, you should always use \n (the underlying runtime will...
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How does free know how much to free?

...mory region in whatever form relevant to the allocator in use, for example raw size, or a node in a binary tree used to track allocations, or a count of memory "units" in use. free will not fail if you "rename" the pointer, or duplicate it in any way. It is not however reference counted, and only t...
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What uses are there for “placement new”?

...our. It is more consistent to use operator new/operator delete to allocate raw memory inteded for use by placement new. – CB Bailey Mar 21 '10 at 15:10 32 ...
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How to break out of multiple loops?

...e True: print "current state" while True: ok = raw_input("Is this ok? (y/n)") if ok == "y" or ok == "Y": raise mylabel if ok == "n" or ok == "N": break print "more processing" Advantages: (1) it's slightly cleaner (no explicit try-except ...
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Easy way to test a URL for 404 in PHP?

... I found this answer here: if(($twitter_XML_raw=file_get_contents($timeline))==false){ // Retrieve HTTP status code list($version,$status_code,$msg) = explode(' ',$http_response_header[0], 3); // Check the HTTP Status code switch($status_code) { ...