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Calculate number of hours between 2 dates in PHP
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The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very e...
How can I have ruby logger log output to stdout as well as file?
Someting like a tee functionality in logger.
20 Answers
20
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Minimum and maximum date
...allowed for a Javascript Date object. I found that the minimum date is something like 200000 B.C., but I couldn't get any reference about it.
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How do I use shell variables in an awk script?
I found some ways to pass external shell variables to an awk script, but I'm confused about ' and " .
7 Answers
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How to get the current directory in a C program?
... , but telldir() returns a off_t (long int) , so it really doesn't help me.
6 Answers
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Generating random whole numbers in JavaScript in a specific range?
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There are some examples on the Mozilla Developer Network page:
/**
* Returns a random number between min (inclusive) and max (exclusive)
*/
function getRandomArbitrary(min, max) {
return Math.random() * (max - min) + min;
}
/**
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uint8_t vs unsigned char
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It documents your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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Prevent line-break of span element
I have a <span> element which I want to display without any line break. How can I do that?
4 Answers
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Copy array by value
...erences into the new array. Both the original and new array refer to the same object. If a referenced object changes, the changes are visible to both the new and original arrays.
Primitives such as strings and numbers are immutable, so changes to the string or number are impossible.
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Why is quicksort better than mergesort?
...erview. They're both O(nlogn) and yet most people use Quicksort instead of Mergesort. Why is that?
29 Answers
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