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How to play a local video with Swift?

... class ViewController: UIViewController { override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) playVideo() } private func playVideo() { guard let path = Bundle.main.path(forResource: "video", ofType:"m4v") else { debugPrint("...
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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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How to set Java environment path in Ubuntu

...le /etc/profile sudo gedit /etc/profile Add following lines in end JAVA_HOME=/usr/lib/jvm/jdk1.7.0 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH Then Log out and Log in ubuntu for setting up the paths... ...
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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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CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术

...0deff\9; /*IE6、7、8识别*/ +background-color:#a200ff;/*IE6、7识别*/ _background-color:#1e0bd1/*IE6识别*/} @media screen and (-webkit-min-device-pixel-ratio:0){.bb{background-color:#f1ee18}}{} /* Safari(Chrome) 有效 */ @media all and (min-width: 0px){ .bb{background-color:#f1ee18;/*op...
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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")...