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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 tell if JRE or JDK is installed
...dows or linux ??
– Maciej Cygan
Dec 10 '14 at 21:04
@MaciejCygan, I'm using windows. Yea, I've got a JDK installed too...
JSLint says “missing radix parameter”
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1005
It always a good practice to pass radix with parseInt -
parseInt(string, radix)
For decimal ...
Why does Lua have no “continue” statement?
... Lua 5.2 the best workaround is to use goto:
-- prints odd numbers in [|1,10|]
for i=1,10 do
if i % 2 == 0 then goto continue end
print(i)
::continue::
end
This is supported in LuaJIT since version 2.0.1
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Print a file, skipping the first X lines, in Bash [duplicate]
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You'll need tail. Some examples:
$ tail great-big-file.log
< Last 10 lines of great-big-file.log >
If you really need to SKIP a particular number of "first" lines, use
$ tail -n +<N+1> <filename>
< filename, excluding first N lines. >
That is, if you want to skip N...
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, ...
Check if array is empty or null
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rhinoxirhinoxi
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Where is Python's sys.path initialized from?
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dfadfa
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