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What is P99 latency?
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201
It's 99th percentile. It means that 99% of the requests should be faster than given latency. In ...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...EVALUATOR(fun, VARIABLE)
extern void NAME(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "xx.c"
extern void mine_3(char *x);
$
Two levels of indirection
In a comment to another answer, Cade Roux asked why this needs two levels of indirection. ...
PowerShell script to return versions of .NET Framework on a machine?
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16 Answers
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...ransposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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rails 3 validation on uniqueness on multiple attributes
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edited Aug 15 '14 at 14:15
Jason Swett
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is_file or file_exists in PHP
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169
is_file() will return false if the given path points to a directory. file_exists() will return...
Getting an empty JQuery object
...ates an empty jQuery-object:
$([])
Update:
In newer versions of jQuery (1.4+), you can use:
$()
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How to parse Excel (XLS) file in Javascript/HTML5
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How to optimize for-comprehensions and loops in Scala?
...allest positive number that is evenly divisible by all of the numbers from 1 to 20?"
8 Answers
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Extracting substrings in Go
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149
It looks like you're confused by the working of slices and the string storage format, which is...