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What is __future__ in Python used for and how/when to use it, and how it works

... your Python module is parsed, which is why they must be at the top of the file. They give new -- or different -- meaning to words or symbols in your file. From the docs: A future statement is a directive to the compiler that a particular module should be compiled using syntax or semantics that ...
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Handling a Menu Item Click Event - Android

... Menu items file looks like res/menu/menu_main.xml <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" tools...
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What is the difference between synchronous and asynchronous programming (in node.js)

...ingle threaded, there are some task that can run in parallel. For example, File System operations occur in a different process. That's why Node can do async operations: one thread is doing file system operations, while the main Node thread keeps executing your javascript code. In an event-driven ...
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How do I make background-size work in IE?

... Everywhere you use background-size in your CSS, add a reference to this file. .selector { background-size: cover; /* The url is relative to the document, not to the css file! */ /* Prefer absolute urls to avoid confusion. */ -ms-behavior: url(/backgroundsize.min.htc); } ...
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How to make a round button?

... Create an xml file named roundedbutton.xml in drawable folder <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <solid android:color="#e...
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Laravel: Get base url

... echo url(''); // Get the app URL from configuration which we set in .env file. echo config('app.url'); 2. Accessing The Current URL // Get the current URL without the query string. echo url()->current(); // Get the current URL including the query string. echo url()->full(); // Get the fu...
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What is a vertical tab?

... And some data providers like TechData use it in CSV files to replace \n. – Wiliam Nov 12 '13 at 9:05 2 ...
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Celery Received unregistered task of type (run example)

...These tasks should be declared in CELERY_IMPORTS = ("tasks", ) in settings file. If you have a special celery_settings.py file it has to be declared on celeryd service start as --settings=celery_settings.py as digivampire wrote. ...
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Remove HTML Tags from an NSString on the iPhone

...ook up "Objective-C Category" in Google. Then you add that method in the m file, and the prototype in the h file. When that is all set up, to use it all you have to do is have a string object (Example: NSString *myString = ...) and you call that method on your string object (NSString *strippedString...
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Global access to Rake DSL methods is deprecated

...nstant Rake::DSL. It refers to a @DHH tweet. Put the following in your Gemfile gem "rake", "0.8.7" You may see something like rake aborted! You have already activated Rake 0.9.1 ... I still had a copy of Rake 0.9.1 in my directory so I deleted it. You can "delete" Rake 0.9.1 by running the ...