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How often should you use git-gc?
...a branch/merge/etc operation once a week you probably don't need to run it more than once a year.
With several dozen developers working on several dozen projects each checking in 2-3 times a day, you might want to run it nightly.
It won't hurt to run it more frequently than needed, though.
What I...
How to delete selected text in the vi editor
... use h, j, k and l to move left, down, up, right respectively, that's much more efficient than using the arrows) and type d to delete the selection.
Also, how can I select the lines using my keyboard as I can in Windows where I press Shift and move the arrows to select the text? How can I do th...
Does Python have a ternary conditional operator?
...sons. (Although the 'inline if' can be really useful, and make your script more concise, it really does complicate your code)
If you're having trouble remembering the order, then remember that when read aloud, you (almost) say what you mean. For example, x = 4 if b > 8 else 9 is read aloud as x ...
BigDecimal - to use new or valueOf
... double value as accurately as possible. This will usually result in a lot more digits being stored than you want. Strictly speaking, it's more correct than valueOf(), but it's a lot less intuitive.
There's a nice explanation of this in the JavaDoc:
The results of this constructor can be somewh...
MySQL query to get column names?
...it's standard SQL (Whereas SHOW ... is a MySQL specific extension)...
For more information about the difference between SHOW... and using the INFORMATION_SCHEMA tables, check out the MySQL Documentation on INFORMATION_SCHEMA in general...
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React.js: Wrapping one component into another
...ltiple Components: Children and Type of the Children props in the docs for more info.
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
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This thread on the Dev ml has more insight about this: groups.google.com/group/android-developers/browse_thread/thread/… - Unfortunately no solution is given...
– BoD
Sep 20 '10 at 9:32
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How do I exchange keys with values in a dictionary?
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How do you share code between projects/solutions in Visual Studio?
...mmon code, so I'd like to extract it out and share it between them. Furthermore, I'd like to be able to release that library independently because it might be useful to others.
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What Makes a Good Unit Test? [closed]
...ional: In the long run you'll have as much test code as production (if not more), therefore follow the same standard of good-design for your test code. Well factored methods-classes with intention-revealing names, No duplication, tests with good names, etc.
Good tests also run Fast. any test that t...