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Creating JS object with Object.create(null)?
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200
They are not equivalent. {}.constructor.prototype == Object.prototype while Object.create(null)...
Cell spacing in UICollectionView
... ? I know there is a property minimumInteritemSpacing I have set it to 5.0 still the spacing is not appearing 5.0. I have implemented the flowout delegate method.
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Flatten an Array of Arrays in Swift
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Swift >= 3.0
reduce:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let reduced = numbers.reduce([], +)
flatMap:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let flattened = numbers.flatMap { $0 }
joined:
let numbers = [[1,2,3],[4],[5,6,7,8...
Removing leading zeroes from a field in a SQL statement
...ve the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the data as '1A'.
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How to avoid warning when introducing NAs by coercion
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answered Feb 20 '13 at 16:38
AndrieAndrie
157k3636 gold badges403403 silver badges464464 bronze badges
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How do I view the list of functions a Linux shared library is exporting?
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320
What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
.
.
.
00012ea0 T alcSetT...
Warning: Found conflicts between different versions of the same dependent assembly
I am currently developing a .NET application, which consists of 20 projects. Some of those projects are compiled using .NET 3.5, some others are still .NET 2.0 projects (so far no problem).
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Natural Sort Order in C#
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150
The easiest thing to do is just P/Invoke the built-in function in Windows, and use it as the com...
How to show line number when executing bash script
...rrently executing).
For example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gi...
How to remove the querystring and get only the url?
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+100
You can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the ...