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How to vertically center content with variable height within a div?

...o element: CSS-Tricks: Centering in the Unknown. It doesn’t require any extra markup and seems to work extremely well. I couldn’t use the display: table method because table elements don’t obey the max-height property. .block { height: 300px; text-align: center; background: #c0...
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Queue.Queue vs. collections.deque

... for high-speed inter-thread communication. In fact the heavy usage of an extra mutex and extra method ._get() etc. method calls in Queue.py is due to backwards compatibility constraints, past over-design and lack of care for providing an efficient solution for this important speed bottleneck issue...
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How to use Git Revert

...revert directly commit to the repo? git revert is a commit - there are no extra steps assuming reverting a single commit is what you wanted to do. Obviously you'll need to push again and probably announce to the team. Indeed - if the remote is in an unstable state - communicating to the rest of t...
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Best way to create custom config options for my Rails app?

...th_indifferent_access" allows you to access the values in the hash using a string key or with an equivalent symbol key. eg. APP_CONFIG['audiocast_uri_format'] => 'http://blablalba/blabbitybla/yadda' APP_CONFIG[:audiocast_uri_format] => 'http://blablalba/blabbitybla/yadda' Purely a convenie...
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Why Java needs Serializable interface?

...e annoyance when dealing with pure java, like some flaws in collection and string processing in standard library. Happily there's Kryo, but it is dependency and one needs to find it first. This is how built-in serialization should have been done. – dmitry Aug 7...
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(Mac) -bash: __git_ps1: command not found

...rompt will change to "os ". To change "os" to something else, modify "os" string in export PS1 line. share | improve this answer | follow | ...
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IN vs OR in the SQL WHERE Clause

... say you should profile on a specific implementation. I'd imagine that the extra structure of the IN method makes it easier to optimize than a whole bunch of possibly related OR clauses. I'd be surprised if there is an engine where the OR method is faster, but I'm not surprised that there are times ...
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Should I always return IEnumerable instead of IList?

...ormation but once again, why would you throw away information? If you know extra information about something, pass it on. – Mel Oct 20 '11 at 12:13 ...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...uickly and repeated then whole Layout drifted to right. It started showing extra space column on left. This behavior introduced because I wouldn't let the first animation (started by tap on middle ListView) complete and pressed the back button. I fixed it by replacing translationXBy with translation...
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Get the first item from an iterable that matches a condition

...for x in the_iterable if x > 3), default_value) Note that you need an extra pair of parentheses around the generator expression in this case − they are needed whenever the generator expression isn't the only argument. I see most answers resolutely ignore the next built-in and so I assume tha...