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What is memory fragmentation?
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Interestingly, main memory databases are becoming somewhat practical these days (with really much memory being available). In this context it is worth noting that, as for HDDs, reading continuous lines from RAM is much faster than if the data is fragmented...
Understanding the main method of python [duplicate]
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Mad Physicist
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answered Mar 18 '14 at 23:25
Jim Dennis...
Using @property versus getters and setters
...enly encapsulation become desirable. The same thing happened with abstract base classes. "Python was always at war with encapsulation-breaking. Freedom is slavery. Lambdas should only fit on one line."
– johncip
Aug 16 '16 at 0:14
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Converting Long to Date in Java returns 1970
...put of seconds, and multiply by a thousand. Note that the result must be a 64-bit long as we would overflow a 32-bit int.
long input = 1_220_227_200L; // Note the "L" appended to long integer literals.
long milliseconds = ( input * 1_000L ); // Use a "long", not the usual "int". Note the appended "...
How do you use vim's quickfix feature?
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The easiest way to navigate the quickfix list (or the location list, for that matter) is the un...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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Mike BrantMike Brant
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Using regular expressions to parse HTML: why not?
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Hank GayHank Gay
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Where is the itoa function in Linux?
...nguage ("K&R2") contains the following implementation of itoa, on page 64. The book notes several issues with this implementation, including the fact that it does not correctly handle the most negative number
/* itoa: convert n to characters in s */
void itoa(int n, char s[])
{
int i...
How do I convert a float number to a whole number in JavaScript?
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bradbrad
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How can building a heap be O(n) time complexity?
...can prove (using some ideas from information theory) that for a comparison-based sort, O(n log n) is the best you could hope for anyway, so there's no reason to be disappointed by this or expect heap sort to achieve the O(n) time bound that buildHeap does.
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