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Local variables in nested functions

...ints to the local variable cage in the get_petters function. When you actually call the function, that closure is then used to look at the value of cage in the surrounding scope at the time you call the function. Here lies the problem. By the time you call your functions, the get_petters function i...
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Find MongoDB records where array field is not empty

All of my records have a field called "pictures". This field is an array of strings. 11 Answers ...
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RegEx match open tags except XHTML self-contained tags

I need to match all of these opening tags: 35 Answers 35 ...
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PhoneGap: Detect if running on desktop browser

...he 'desktop' and mobile versions. I want to be able to detect if PhoneGap calls will work (ie, is the user on a mobile device that will support PhoneGap). ...
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Convert string to symbol-able in ruby

Symbols are usually represented as such 7 Answers 7 ...
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Can someone explain how to implement the jQuery File Upload plugin?

...de to upload the files: $('#upload').fileupload({ // This function is called when a file is added to the queue add: function (e, data) { //This area will contain file list and progress information. var tpl = $('<li class="working">'+ '<input type="text" value="...
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Is Big O(logn) log base e?

...nary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different impli...
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Python json.loads shows ValueError: Extra data

...) # == json.loads(json.dumps({}) + json.dumps({})) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python27\lib\json\__init__.py", line 338, in loads return _default_decoder.decode(s) File "C:\Python27\lib\json\decoder.py", line 368, in decode ...
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)

..." says "Nothing happened". The first step did say "Bufferfile is now '/tmp/foo.txt'", but doesn't appear to even create that file. – user354134 May 5 '11 at 13:27 1 ...
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How do I access command line arguments in Python?

... Python tutorial explains it: import sys print(sys.argv) More specifically, if you run python example.py one two three: >>> import sys >>> print(sys.argv) ['example.py', 'one', 'two', 'three'] share ...