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How do I convert an NSString value to NSData?

...t Developer coming here, to convert from NSString / String to NSData var _nsdata = _nsstring.dataUsingEncoding(NSUTF8StringEncoding) share | improve this answer | follow ...
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What does “:=” do?

... http://en.wikipedia.org/wiki/Equals_sign#In_computer_programming In computer programming languages, the equals sign typically denotes either a boolean operator to test equality of values (e.g. as in Pascal or Eiffel), which is consistent with the symbol's ...
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jquery: $(window).scrollTop() but no $(window).scrollBottom()

...'s answer below). What this gives is the # of vertical pixel from document _top_ to the visible window Bottom. It is useful for sure, though can't call it the opposite to ScrollBottom (I know this is a marked answer but for future readers like myself) – DeepSpace101 ...
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Android file chooser [closed]

...tent in an Intent.createChooser() like this: private static final int FILE_SELECT_CODE = 0; private void showFileChooser() { Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("*/*"); intent.addCategory(Intent.CATEGORY_OPENABLE); try { startActivityFor...
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How to use “raise” keyword in Python [duplicate]

...dler, so that it can be handled further up the call stack. try: generate_exception() except SomeException as e: if not can_handle(e): raise handle_exception(e) share | improve this answe...
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Python list iterator behavior and next(iterator)

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How to render and append sub-views in Backbone.js

... if your inner view's render() method is placing/sizing itself on the page based on other elements' position/size (which is a common use case, in my experience) Solution 2 var OuterView = Backbone.View.extend({ initialize: function() { this.render(); }, render: function() { ...
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Converting JSON String to Dictionary Not List

...ess your dictionary by accessing item 0 in the list, as shown below: json1_data = json.loads(json1_str)[0] Now you can access the data stored in datapoints just as you were expecting: datapoints = json1_data['datapoints'] I have one more question if anyone can bite: I am trying to take th...
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How can I clear event subscriptions in C#?

..., and even have a "message" keyword, and specific sugar syntax. const WM_Paint = 998; // <-- "question" can be done by several talkers WM_Clear = 546; type MyWindowClass = class(Window) procedure NotEventHandlerMethod_1; procedure NotEventHandlerMethod_17; procedure DoPaintE...
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How to explain callbacks in plain english? How are they different from calling one function from ano

... Often an application needs to execute different functions based upon its context/state. For this, we use a variable where we would store the information about the function to be called. ‪According to its need the application will set this variable with the information about functi...