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What does $1 [QSA,L] mean in my .htaccess file?
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edited Nov 10 '18 at 5:39
SherylHohman
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Are non-synchronised static methods thread safe if they don't modify static class variables?
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This method is 100% thread safe, it would be even if it wasn't static. The problem with thread-safety arises when you need to share data between threads - you must take care of atomicity, visibility, etc.
This method only operates on param...
How do I test which class an object is in Objective-C?
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answered Jan 13 '10 at 10:48
VladimirVladimir
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How to split a delimited string in Ruby and convert it to an array?
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answered Jun 10 '09 at 13:59
ShadwellShadwell
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How to echo with different colors in the Windows command line
...le line in a different color.
Use ANSI Escape Sequences.
Windows before 10 - no native support for ANSI colors on the console
For Windows version below 10, the Windows command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by d...
How can I efficiently select a Standard Library container in C++11?
...eated.
– Matthieu M.
Jul 5 '13 at 6:10
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...003:0> sprintf '%02d', 1
=> "01"
irb(main):004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros inst...
Remove a string from the beginning of a string
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Takes: 0.1749 ms (0.000,174,999 seconds) the 1st run (compiling), and 0.0510 ms (0.000,051,021 seconds) after.
Profiled on my server, obviously.
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Access lapply index names inside FUN
... the next releases.
You can get the index using this:
> lapply(list(a=10,b=20), function(x){parent.frame()$i[]})
$a
[1] 1
$b
[1] 2
Note: the [] is required for this to work, as it tricks R into thinking that the symbol i (residing in the evaluation frame of lapply) may have more references, ...