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JSON to pandas DataFrame

...t[u'location'] Rebuild json string : elevations = json.dumps(data) Finally : pd.read_json(elevations) You can, also, probably avoid to dump data back to a string, I assume Panda can directly create a DataFrame from a dictionnary (I haven't used it since a long time :p) ...
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HTML5 Pre-resize images before uploading

...le); var ctx = canvas.getContext("2d"); ctx.drawImage(img, 0, 0); var MAX_WIDTH = 800; var MAX_HEIGHT = 600; var width = img.width; var height = img.height; if (width > height) { if (width > MAX_WIDTH) { height *= MAX_WIDTH / width; width = MAX_WIDTH; } } else { if (height &gt...
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How to set JVM parameters for Junit Unit Tests?

...t app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.) ...
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What's the best way to convert a number to a string in JavaScript? [closed]

... like this: var foo = 45; var bar = '' + foo; Actually, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString() See Performance tests here (not by me, but found when I went to w...
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What is “thread local storage” in Python, and why do I need it?

In Python specifically, how do variables get shared between threads? 5 Answers 5 ...
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How to append a char to a std::string?

... why do you consider += better than push_back? Is it just less typing or do you have another reason? – Glen Sep 24 '09 at 14:35 4 ...
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Django datetime issues (default=datetime.now())

...mplish what you are trying to do already: date = models.DateTimeField(auto_now_add=True, blank=True) or date = models.DateTimeField(default=datetime.now, blank=True) The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
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STL or Qt containers?

... (see the std::string COW controversy). Some STL implementations are especially bad. provide hashes, which are not available unless you use TR1 The QTL has a different philosophy from the STL, which is well summarized by J. Blanchette: "Whereas STL's containers are optimized for raw speed, Qt's co...
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How to send email attachments?

... best answer for me but there is a small error: replace import pathlibwith from pathlib import Path – AleAve81 Apr 29 at 20:38 ...
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UITextField - capture return button event

...terPressed), for: .editingDidEndOnExit) } in enterPressed() function put all behaviours you're after func enterPressed(){ //do something with typed text if needed textField.resignFirstResponder() } share ...