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Read password from stdin
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mjvmjv
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How to find a min/max with Ruby
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734
You can do
[5, 10].min
or
[4, 7].max
They come from the Enumerable module, so anything ...
How many GCC optimization levels are there?
...n level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be t...
Remove multiple keys from Map in efficient way?
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3 Answers
3
Active
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How to get Enum Value from index in Java?
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230
Try this
Months.values()[index]
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Python : List of dict, if exists increment a dict value, if not append a new dict
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edited Oct 28 '13 at 19:46
answered Nov 7 '09 at 8:28
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How do I check out a specific version of a submodule using 'git submodule'?
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173
Submodule repositories stay in a detached HEAD state pointing to a specific commit. Changing tha...
Rolling back a remote Git repository
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135
You can use git revert <commit>… for all the n commits, and then push as usual, keeping...
Eclipse Autocomplete (percent sign, in Juno)
...). It is not only the bare usage statistics. So a value might change from 13% to 95% between some lines, depending what you did in between.
See the docs for details:
It assists developers by recommending him only those methods that are actually relevant for his task at hand. For instance, given...
Is it a good idea to index datetime field in mysql?
...ies. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), INTERVAL 30 DAY) and you have no other index in the condition, MySQL will have to do a full table scan on every query. I'm not sure how many rows are generated in 30 days, but as long as it's less than about 1/3 of the total rows it ...