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Assigning default values to shell variables with a single command in bash

... If I wanted to find this in the documentation, what would a google for? Googling with special characters like ${:-} isn't very easy. – Joshua Olson Apr 24 '13 at 18:34 ...
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matplotlib does not show my drawings although I call pyplot.show()

... Just type: plt.ion() See https://www.youtube.com/watch?v=1zmV8lZsHF4 at 23:30 ! plt is used because of my import: import matplotlib.pyplot as plt I'm using python2.7 on a mac with iTerm2. ...
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Is there anything like .NET's NotImplementedException in Java?

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warning about too many open figures

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Can I change the height of an image in CSS :before/:after pseudo-elements?

...ly to frontend foundamentals, so be careful body:before{ content:url(https://i.imgur.com/LJvMTyw.png); transform: scale(.3); position: fixed; left: 50%; top: -6%; background: white; } share ...
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Get size of an Iterable in Java

... I suggest making the Google Guava answer more prominent. There's no reason to make people write this code again, even though it's trivial. – Stephen Harrison Aug 15 '15 at 19:27 ...
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How do I add a library project to Android Studio?

...h the Gradle’ icon . Your library should be available in your project. Google I/O 2013 - The New Android SDK Build System is a great presentation about building Android apps with Gradle Build System: As Xavier Ducrohet said: Android Studio is all about editing, and debugging and profiling. ...
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What are deferred objects?

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npm - how to show the latest version of a package

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passport.js passport.initialize() middleware not in use

...: false in my route authenticate middleware. app.post('/api/public/auth/google-token', passport.authenticate('google-token', { session: false }), function (req: any, res) { res.send("hello"); } ); ...