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Is gettimeofday() guaranteed to be of microsecond resolution?

...s the CPU's execution buffer so that the timings aren't affected by out-of-order execution. execute the rdtsc (read timestamp) execution. This fetches the number of machine cycles executed since the processor was reset. This is a 64-bit value, so with current CPU speeds it will wrap around every 1...
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Total width of element (including padding and border) in jQuery

...the subject, how can one get the total width of an element, including its border and padding, using jQuery? I've got the jQuery dimensions plugin, and running .width() on my 760px-wide , 10px padding DIV returns 760 . ...
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Write a program to find 100 largest numbers out of an array of 1 billion numbers

...ion (the first k numbers are automatically added to the queue). We can use order statistics (see link) to calculate this probability. For example, lets assume the numbers were randomly selected uniformly from {0, 1}, the expected value of (i-K)th number (out of i numbers) is (i-k)/i, and chance of a...
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How to list all methods for an object in Ruby?

...r", "original_table_name", "field_type", "authenticate", "set_default_order", "id_name?", "id_name_column", "original_locking_column", "default_order", "subclass_associations", ... # I ran the statements in the console. Note that the methods created as a result of the (many) has_man...
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How to resize images proportionally / keeping the aspect ratio?

...: someOtherHeight }); ? this can be useful to avoid issues with parameters order. – Adrien Be Nov 4 '14 at 8:07 ...
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

... "Perl, C, Java, or Python, and in that order": interesting attitude :-) "we stand a good change of knowing if something is probably UTF-8": Actually the chance that a file containing meaningful text encoded in some other charset that uses high-bit-set bytes will ...
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Why can't I use the 'await' operator within the body of a lock statement?

...d resumes. That arbitrary code could be taking out locks that produce lock ordering inversions, and therefore deadlocks. Worse, the code could resume on another thread (in advanced scenarios; normally you pick up again on the thread that did the await, but not necessarily) in which case the unlock ...
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Create SQL script that create database and tables

... Not sure why SSMS doesn’t take into account execution order but it just doesn’t. This is not an issue for small databases but what if your database has 200 objects? In that case order of execution does matter because it’s not really easy to go through all of these. For unor...
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When and why I should use session_regenerate_id()?

... You should use session_regenerate_id() in order to stop session hijacking and session fixation. From this Security.SE answer: Session hijacking refers to stealing the session cookie. This can be most easily accomplished when sharing a local network with other c...
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What Does 'Then' Really Mean in CasperJS

... Isn't the so called 'stack' actually a queue? The steps are executed in order, had it been a stack wouldn't we expect step 3, step 2, step 1? – Reut Sharabani Oct 20 '13 at 16:09 ...