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How to know if user is logged in with passport.js?
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edited Oct 20 '14 at 10:39
answered Sep 11 '13 at 11:29
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How to programmatically show next view in ViewPager?
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yprez
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answered Nov 12 '11 at 9:26
Vaibhav MishraVaibha...
Why doesn't list have safe “get” method like dictionary?
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10
I don't think this is about efficiency at at all - checking if a key is present in a dictionary and / or returning an item are O(1). It wo...
Java: random long number in 0
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answered Mar 30 '10 at 14:55
kennytmkennytm
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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
10.7k1414 gold badges6161 silver badges7373 bronze badges
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IN vs OR in the SQL WHERE Clause
...h your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000,...
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 ...
How do I add a delay in a JavaScript loop?
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i++; // increment the counter
if (i < 10) { // if the counter < 10, call the loop function
myLoop(); // .. again which will trigger another
} // .. setTimeout()
}, 3000)
}
myLoop(); ...
PHP Sort Array By SubArray Value
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Mar 19 '10 at 13:14
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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...