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How to tell if rails is in production?
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answered Aug 22 '11 at 7:10
Krishnaprasad VarmaKrishnaprasad Varma
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List of Big-O for PHP functions
...s O(1) to give a more realistic big-O. For example the different between N=1000 and N=100000 is only about 50% slow down.
isset( $array[$index] ) O(n) but really close to O(1) - it uses the same lookup as array_key_exists. Since it's language construct, will cache the lookup if the key is hardcoded...
How do you get current active/default Environment profile programmatically in Spring?
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aweigoldaweigold
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Can you help me understand Moq Callback?
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answered May 14 '10 at 14:06
Ruben BartelinkRuben Bartelink
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Get epoch for a specific date using Javascript
How do I convert 07/26/2010 to a UNIX timestamp using Javascript?
7 Answers
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If statement in aspx page
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answered Jun 17 '10 at 16:10
Kris van der MastKris van der Mast
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Validate that a string is a positive integer
...formerly-allowed) way that says a leading zero means octal (base 8), e.g "010" => 8. Once you've validated the number, you can safely use parseInt(str, 10) to ensure that it's parsed as decimal (base 10). parseInt would ignore garbage at the end of the string, but we've ensured there isn't any wi...
Why does the MongoDB Java driver use a random number generator in a conditional?
...ut notice the reversed logic: here the event is logged if either _ok or in 10% of other cases, whereas the code in 2. returns 10% of the times and logs 90% of the times. So the later commit ruined not only clarity, but correctness itself.
I think in the code you have posted we can actually see how...
Java - get pixel array from image
...t.println("Testing convertTo2DUsingGetRGB:");
for (int i = 0; i < 10; i++) {
long startTime = System.nanoTime();
int[][] result = convertTo2DUsingGetRGB(hugeImage);
long endTime = System.nanoTime();
System.out.println(String.format("%-2d: %s", (i + 1), to...
How to extract one column of a csv file
...ad of 2,3,4,5.
– Igor Mikushkin
Mar 10 '15 at 15:06
If you are a lucky guy using GNU Tools in Windows, you can execute...