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mysql create user if not exists
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280
In 5.7.6 and above, you should be able to use CREATE USER
CREATE USER IF NOT EXISTS 'user'@'loc...
How to add multi line comments in makefiles
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answered Dec 20 '10 at 20:10
Eric MelskiEric Melski
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iOS: How does one animate to new autolayout constraint (height)
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After updating your constraint:
[UIView animateWithDuration:0.5 animations:^{[self.view layoutIfNeeded];}];
Replace self.view with a reference to the containing view.
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improv...
How to filter by object property in angularJS
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edited Sep 12 '15 at 6:08
Mo.
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How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
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How can I add new array elements at the beginning of an array in Javascript?
... not already an array:
const array = [ 3, 2, 1 ]
const newLastElement = 0
// Both of these lines are equivalent:
const newArray1 = array.concat(newLastElement) // [ 3, 2, 1, 0 ]
const newArray2 = array.concat([newLastElement]) // [ 3, 2, 1, 0 ]
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PowerShell and the -contains operator
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203
The -Contains operator doesn't do substring comparisons and the match must be on a complete str...
How to find the files that are created in the last hour in unix
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If the dir to search is srch_dir then either
$ find srch_dir -cmin -60 # change time
or
$ find srch_dir -mmin -60 # modification time
or
$ find srch_dir -amin -60 # access time
shows files created, modified or accessed in the last hour.
correction :ctime is for change node time (unsur...
Can git operate in “silent mode”?
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20
Redirecting output to /dev/null seems like a natural way of doing it to me. Although I have in t...
When is TCP option SO_LINGER (0) required?
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edited Apr 30 '15 at 11:18
OJ.
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ans...