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When is layoutSubviews called?

... I had a similar question, but wasn't satisfied with the answer (or any I could find on the net), so I tried it in practice and here is what I got: init does not cause layoutSubviews to be called (duh) addSubview: causes layoutSubviews to be called on the view being adde...
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pip installing in global site-packages instead of virtualenv

...ackage in a virtualenv causes the package to be installed in the global site-packages folder instead of the one in the virtualenv folder. Here's how I set up Python3 and virtualenv on OS X Mavericks (10.9.1): ...
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How and when to use ‘async’ and ‘await

From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic? ...
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How can I break up this long line in Python?

...ow would you go about formatting a long line such as this? I'd like to get it to no more than 80 characters wide: 5 Answers...
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Why do Java programmers like to name a variable “clazz”? [closed]

...ant, but abbreviating or inserting junk ("a", "the", "_", etc) reduces clarity. clazz just says class. "International" English speakers (those reading both British and American English) are used to transposing 's' and 'z'. Since Java has had disclosed source and a suitable culture right from the st...
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How to properly override clone method?

...h Bloch on Design - Copy Constructor versus Cloning If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens. You may read more discussion on the to...
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Command line to remove an environment variable from the OS level configuration

...e variable from the user environment (which is the default place setx puts it): REG delete HKCU\Environment /F /V FOOBAR If the variable is set in the system environment (e.g. if you originally set it with setx /M), as an administrator run: REG delete "HKLM\SYSTEM\CurrentControlSet\Control\Sessi...
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Sleep in JavaScript - delay between actions

Is there a way I can do a sleep in JavaScript before it carries out another action? 11 Answers ...
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What are some good Python ORM solutions? [closed]

...e DataMapper pattern). Django ORM has a cleaner syntax and is easier to write for (ActiveRecord pattern). I don't know about performance differences. SQLAlchemy also has a declarative layer that hides some complexity and gives it a ActiveRecord-style syntax more similar to the Django ORM. I woul...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

I've seen in a number of places, including recommendations on this site ( What is the preferred Bash shebang? ), to use #!/usr/bin/env bash in preference to #!/bin/bash . I've even seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing...