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Python unittest - opposite of assertRaises?

...r test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise a KeyError, that would be an error, not a failure. In python - differently than some other languages - Exceptions are routinely used for control flow, this is why we have the e...
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Custom views with Storyboard

...s (I call them widgets). These widgets consist basically of a MyWidget.h and a MyWidget.m file as well as a MyWidget.xib file, where the root element is a UIView and the MyWidget class is the File Owner of the UIView. In the init of this widget I do a loadNibNamed . ...
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Best practice to mark deprecated code in Ruby?

...a method as deprecated, so the people using it can easily check their code and catch up. In Java you set @Deprecated and everybody knows what this means. ...
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?

... Negative margins are valid in css and understanding their (compliant) behaviour is mainly based on the box model and margin collapsing. While certain scenarios are more complex, a lot of common mistakes can be avoided after studying the spec. For instance, r...
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Can I start the iPhone simulator without “Build and Run”?

I want to delete an app in the simulator before I "build and run". How can I start the simulator so I can do the deletion? If I start it by "build and run" I get a long log output that takes a while because of a bug I'm trying to fix. I'd like to avoid that. ...
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How does push notification technology work on Android?

... From what I've heard during an Android developers conference in Israel: There is simply a TCP socket waiting in accept mode on a cloud Google server. The TCP connection had been initiated by the Google Play application. That's why Google Play must be inst...
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Stretch and scale a CSS image in the background - with CSS only

I want that my background image stretch and scale depending on the browser viewport size. 22 Answers ...
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How do I include a file over 2 directories back?

... @Brian Well, that’s nonsense, you’re comparing apples and oranges. You’re right that a define would be used here but (1) that wasn’t even remotely the question here. And (2) you’d still use a relative path in your define, Unless you actually hard-code the whole absolute se...
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setting an environment variable in virtualenv

...017 the README of autoenv states that direnv is probably the better option and implies autoenv is no longer maintained. Old answer I wrote autoenv to do exactly this: https://github.com/kennethreitz/autoenv share ...
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How can I measure the speed of code written in PHP? [closed]

... two solutions : The quite "naïve" one is using microtime(true) tobefore and after a portion of code, to get how much time has passed during its execution ; other answers said that and gave examples already, so I won"t say much more. This is a nice solution if you want to benchmark a couple of in...