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Using braces with dynamic variable names in PHP
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edited Feb 13 '12 at 8:50
answered Feb 13 '12 at 8:35
Sar...
How to get the process ID to kill a nohup process?
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370
When using nohup and you put the task in the background, the background operator (&) will gi...
MYSQL OR vs IN performance
...ir "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 years ago, though it returns a result in th...
Explicitly calling return in a function or not
...x) return(vector(length=x,mode="numeric")))(x)
,repeats)) }
maxlen <- 1000
reps <- 10000
along <- seq(from=1,to=maxlen,by=5)
ret <- sapply(along,FUN=bench_ret2,repeats=reps)
nor <- sapply(along,FUN=bench_nor2,repeats=reps)
res <- data.frame(N=along,ELAPSED_RET=ret["elapsed",],ELAP...
Default template arguments for function templates
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150
It makes sense to give default template arguments. For example you could create a sort function:...
Convert String to Float in Swift
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200
Swift 2.0+
Now with Swift 2.0 you can just use Float(Wage.text) which returns a Float? type....
List of ANSI color escape sequences
On most terminals it is possible to colorize output using the \033 ANSI escape sequence.
5 Answers
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std::vector versus std::array in C++
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answered Dec 12 '10 at 23:13
Matteo ItaliaMatteo Italia
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How can I convert an image into Base64 string using JavaScript?
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10
This approach fails in the case of CORS violation. Apart from that, this solution should address the question.
– Revan...
How to get the Android device's primary e-mail address
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750
+100
There ar...