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IntelliJ IDEA jump from interface to implementing class in Java
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edited Aug 31 '17 at 14:16
Jan de Vos
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Show current key setting?
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110
To see the current value currently defined for <leader>, use:
:let mapleader
Producin...
Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
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147
Even if you provide the /Y switch with xcopy, you'll still get an error when xcopy doesn't kno...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ection on IOStreams (p.68). Most relevant to your question is in Section 6.1.2 ("Execution Speed"):
Since certain aspects of IOStreams processing are
distributed over multiple facets, it
appears that the Standard mandates an
inefficient implementation. But this
is not the case — by usi...
Where is logback encoder pattern documentation
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1 Answer
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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Nested attributes unpermitted parameters
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187
Seems there is a change in handling of attribute protection and now you must whitelist params ...
Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :sc...
How to kill zombie process
...e the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine thei...
Hide Console Window in C# Console Application
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190
Change the output type from Console Application to Windows Application. This can be done under...