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javascript i++ vs ++i [duplicate]

... consistent result. If you don't use the value of the expression, theoretically there should be no difference at all, as the compiler should optimise it to the same operation. – Guffa Feb 24 '13 at 12:08 ...
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How to disable / enable dialog negative positive buttons?

...e look at the custom dialog below. I have an edittext field on the dialog and if the text field is empty I would like to disable the positiveButton . I can get a charListener for the text field but I am not sure how I am going to set the positivebutton to disable or enable from that listener? Wh...
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Return HTTP status code 201 in flask

We're using Flask for one of our API's and I was just wondering if anyone knew how to return a HTTP response 201? 9 Answers...
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Find all files in a directory with extension .txt in Python

How can I find all the files in a directory having the extension .txt in python? 26 Answers ...
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MySQL case insensitive select

...f a MySQL SELECT query is case sensitive or case insensitive by default? And if not, what query would I have to send so that I can do something like: ...
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Adding gif image in an ImageView in android

...imationActivity: - public class AnimationActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); InputStream stream = null; try { stream = getAssets().open("pig...
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How to update npm

I'm trying to install mean.io boilerplate. It fails when running sudo npm install -g meanio@latest . Prior to failing it notes that it 'wants' npm version 1.4.x, whereas I have 1.2.18 installed. So I tried updating npm to the latest; several ways. Last of which was... ...
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What is the $$hashKey added to my JSON.stringify result

...e track by {uniqueProperty} suffix, Angular won't have to add $$hashKey at all. For example <ul> <li ng-repeat="link in navLinks track by link.href"> <a ng-href="link.href">{{link.title}}</a> </li> </ul> Just always remember you need the "link."...
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PyPy — How can it possibly beat CPython?

... an object can save you the need to do multiple pointer dereferences to finally arrive at the method you want to call. Q2. Which Python implementation was used to implement PyPy? The PyPy interpreter is implemented in RPython which is a statically typed subset of Python (the language and not the ...
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Resize UIImage by keeping Aspect ratio and width

...image by keeping aspect ratio. These functions uses the fixed points(Width and Height) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio. anyone help me to achieve this. ...