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Is the != check thread safe?

... Although strong evidence, bytecode is not actually a proof. It must be somewhere in the JLS as well... – Marko Topolnik Aug 27 '13 at 9:29 10 ...
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Child with max-height: 100% overflows parent

... child's max-height to be calculated from, so max-height computes to none, allowing the child to be as tall as possible. The only other constraint acting on the child now is the max-width of its parent, and since the image itself is taller than it is wide, it overflows the container's height downwar...
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Python - write() versus writelines() and concatenated strings

... More specifically, writelines expects an iterable. You can use a list, a tuple, or a generator. – Mark Ransom Sep 11 '12 at 20:52 ...
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How to center a subview of UIView

... It actually won't make a different in this case, as only size is being used. – Peter DeWeese Jun 29 '12 at 12:25 ...
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Floating point vs integer calculations on modern hardware

... From my experience, there are many, many variables to performance...especially between integer & floating point math. It varies strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations ...
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What's the difference between an exclusive lock and a shared lock?

... When the students are reading (shared locks) what is on the board: They all can read what is on it, together => Multiple shared locks can co-exist. The teacher waits for them to finish reading before she clears the board to write more => If one or more shared locks already exist, exclusive ...
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How to set Python's default version to 3.x on OS X?

...n use command python, which will leaving the alias untouched, and works in all shells. If you launch interpreters more often (I do), you can always create more aliases to add as well, i.e.: alias 2='python2' alias 3='python3' Tip: For scripts, instead of using a shebang like: #!/usr/bin/env p...
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Can you give a Django app a verbose name for use throughout the admin?

...h to the appropriate AppConfig subclass to be configured explicitly in INSTALLED_APPS. Example: INSTALLED_APPS = [ # ...snip... 'yourapp.apps.YourAppConfig', ] Then alter your AppConfig as listed below. Django 1.7 As stated by rhunwicks' comment to OP, this is now possible out of the ...
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Better way to shuffle two numpy arrays in unison

... Your "scary" solution does not appear scary to me. Calling shuffle() for two sequences of the same length results in the same number of calls to the random number generator, and these are the only "random" elements in the shuffle algorithm. By resetting the state, you ensure ...
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How to get the pure text without HTML element using JavaScript?

... Trying to parse HTML with regular expressions is really dangerous --- it's practically impossible (I suspect it may be theoretically impossible) to get right. There's too many edge cases and then your code blows up when faced with strange input, which can frequently be exploi...