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Matplotlib (pyplot) savefig outputs blank image

... My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png') – EduardoUstarez Apr 9 at 23:32 ...
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Does Python optimize tail recursion?

...to find some clean solution, which is actually what happens here... class _RecursiveCall(Exception): def __init__(self, *args): self.args = args def _recursiveCallback(*args): raise _RecursiveCall(*args) def bet0(func): def wrapper(*args): while True: try: ...
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How can i tell if an object has a key value observer attached

...SMutableArray like this: - (void)addObservedObject:(id)object { if (![_observedObjects containsObject:object]) { [_observedObjects addObject:object]; } } If you want to unobserve the objects you can do something like: for (id object in _observedObjects) { if ([object isKindOf...
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Explode PHP string by new line

...mment to the first answer, the best practice is to use the PHP constant PHP_EOL which represents the current system's EOL (End Of Line). $skuList = explode(PHP_EOL, $_POST['skuList']); PHP provides a lot of other very useful constants that you can use to make your code system independent, see thi...
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Restore the state of std::cout after manipulating it

...lude <iostream> or #include <ios> then when required: std::ios_base::fmtflags f( cout.flags() ); //Your code here... cout.flags( f ); You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII. ...
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How to customize the background/border colors of a grouped table view cell?

...kgroundView.h // // Created by Mike Akers on 11/21/08. // Copyright 2008 __MyCompanyName__. All rights reserved. // #import <UIKit/UIKit.h> typedef enum { CustomCellBackgroundViewPositionTop, CustomCellBackgroundViewPositionMiddle, CustomCellBackgroundViewPositionBottom, ...
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_csv.Error: field larger than field limit (131072)

... The csv file might contain very huge fields, therefore increase the field_size_limit: import sys import csv csv.field_size_limit(sys.maxsize) sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3) Update As Geoff pointed out,...
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How to increase the vertical split window size in Vim

... :winc = This will also make them equal. – nitin_cherian Nov 13 '13 at 5:29 2 ...
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Unique BooleanField value in Django?

...rn it off). class Character(models.Model): name = models.CharField(max_length=255) is_the_chosen_one = models.BooleanField() def save(self, *args, **kwargs): if self.is_the_chosen_one: try: temp = Character.objects.get(is_the_chosen_one=True) ...
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Convert XML to JSON (and back) using Javascript

... DOM Object to JSON X2JS.json2xml - Convert JSON to XML DOM Object X2JS.xml_str2json - Convert XML specified as string to JSON X2JS.json2xml_str - Convert JSON to XML string Online Demo on http://jsfiddle.net/abdmob/gkxucxrj/1/ var x2js = new X2JS(); function convertXml2JSon() { $("#jsonArea")...