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How to save an HTML5 Canvas as an image on a server?

...RL } }).done(function(o) { console.log('saved'); // If you want the file to be visible in the browser // - please modify the callback in javascript. All you // need is to return the url to the file, you just saved // and than put the image in your browser. ...
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How to write logs in text file when using java.util.logging.Logger

... Thanks, this helped me out, but Log4j 2 is coming out now and I had to fish around the site to find the 1.2 version. – SoluableNonagon Nov 4 '13 at 17:29 ...
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“static const” vs “#define” vs “enum”

...ar 5 enum { var = 5 }; Ignoring issues about the choice of name, then: If you need to pass a pointer around, you must use (1). Since (2) is apparently an option, you don't need to pass pointers around. Both (1) and (3) have a symbol in the debugger's symbol table - that makes debugging easier. ...
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How do I dump an object's fields to the console?

...l, but it can be really useful when debugging. Ruby will fall back to to_s if it can't find an inspect` method. – the Tin Man Nov 27 '10 at 21:45 ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

...the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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jQuery Validate - Enable validation for hidden fields

...ge should make the setup of forms with hidden elements easier, these are now ignored by default (option “ignore” has “:hidden” now as default). In theory, this could break an existing setup. In the unlikely case that it actually does, you can fix it by setting the ignore-option to ...
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Read Excel File in Python

...rint You don't have to use a custom class, you can simply take a dict(). If you use a class however, you can access all values via dot-notation, as you see above. Here is the output of the script above: Arm object: Arm_id = 1 DSPName = JaVAS DSPCode = 1 HubCode = AGR PinCode = 282001 ...
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How does Google Instant work?

...3cem\\x3eStack Overflow\\x3c/em\\x3e Trilogy Creative Commons Data Dump is now available. This reflects all public data in … \\x3cb\\x3e...\\x3c/b\\x3e\\x3cbr\\x3e\\x3cspan class\\x3df\\x3e\\x3ccite\\x3eblog.\\x3cb\\x3estackoverflow\\x3c/b\\x3e.com/\\x3c/cite\\x3e - \\x3cspan class\\x3dgl\\x3e\\x...
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Understanding slice notation

...lue represents the first value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default). The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of th...
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Extract file name from path, no matter what the os/path format

....path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail. Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equiv...