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putting current class as return type annotation [duplicate]

...e. Instead, they are preserved in __annotations__ in string form. This is called Postponed Evaluation of Annotations, introduced in PEP 563. Also note: Deprecation policy Starting with Python 3.7, a __future__ import is required to use the described functionality. No warnings are raised...
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How do you read CSS rule values with JavaScript?

I would like to return a string with all of the contents of a CSS rule, like the format you'd see in an inline style. I'd like to be able to do this without knowing what is contained in a particular rule, so I can't just pull them out by style name (like .style.width etc.) ...
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Decorators with parameters?

...tion that will take a function and return another function. So it should really return a normal decorator. A bit confusing, right? What I mean is: def decorator_factory(argument): def decorator(function): def wrapper(*args, **kwargs): funny_stuff() something_with...
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Backbone.View “el” confusion

... A views el is where all the event binding takes place. You don't have to use it but if you want backbone to fire events you need to do your rendering work on the el. A views el is a DOM element but it does not have to be a pre-existing element. ...
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Fastest way to extract frames using ffmpeg?

... @Evi1M4chine just remove the -r parameter this will extract all frames – studioj Nov 15 '16 at 6:14 14 ...
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Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...
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How do I run msbuild from the command line using Windows SDK 7.1?

I'm setting up .NET 4.0 support on our CI server. I've installed .NET 4.0, and the .NET tools from the Windows 7.1 SDK. 7 A...
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Remove blank attributes from an Object in Javascript

How do I remove all attributes which are undefined or null in a JavaScript object? 37 Answers ...
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Dynamic variable names in Bash

...Fgilrtux] [-p] [name[=value] ...]. You might double-check that you are actually running 4.x and not 3.2. – chepner Dec 2 '13 at 16:08 5 ...
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Print PHP Call Stack

I'm looking for a way to print the call stack in PHP. 15 Answers 15 ...