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how to check redis instance version?
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310
$ redis-server --version
gives you the version.
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How to get the nth occurrence in a string?
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11 Answers
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Convert a number range to another range, maintaining ratio
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18 Answers
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C# DateTime to “YYYYMMDDHHMMSS” format
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17 Answers
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Overloading Macro on Number of Arguments
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Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar,baz)
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Creating java date object from year,month,day
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Months are zero-based in Calendar. So 12 is interpreted as december + 1 month. Use
c.set(yea...
How do you connect localhost in the Android emulator? [duplicate]
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Use 10.0.2.2 to access your actual machine.
As you've learned, when you use the emulator, localhost (127.0.0.1) refers to the device's own loopback service, not the one on your machine as you may expect.
You can use 10.0.2.2 to...
How to get the first element of an array?
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31 Answers
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Best way to iterate through a Perl array
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In terms of speed: #1 and #4, but not by much in most instances.
You could write a benchmark to confirm, but I suspect you'll find #1 and #4 to be slightly faster because the iteration work is done in C instead of Perl, and no needless copying ...
How do I parse JSON with Objective-C?
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With the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recomme...