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CSS: center element within a element

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How can I convert a Unix timestamp to DateTime and vice versa?

... Windows is handled by HAL and only close-to-accurate within 1ms to 15ms. More info is available in Windows Internals around page 112, if anyone is interested. – Jim Schubert Apr 13 '12 at 14:59 ...
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Convert string to Python class object?

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Log4net does not write the log in the log file

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What does it mean by buffer?

... blob of memory that's loaded in one operation, and then emptied in one or more, Perchik's "candy bowl" example. In a C program, for example, you might have: #define BUFSIZE 1024 char buffer[BUFSIZE]; size_t len = ; // ... later while((len=read(STDIN, &buffer, BUFSIZE)) > 0) write(STDO...
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How do I get PHP errors to display?

... While I'm no SysOps, I think more people have an .htaccess file than php.ini, and these would both come before parsing, right? php_flag display_errors 1 for .htaccess – Ryan Taylor Jul 9 '15 at 21:58 ...
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Convert to binary and keep leading zeros in Python

... @MartijnPieters, str.format is more flexible than format() because it will allow you to do multiple variables at once. I keep forgetting that the format function even exists. Admittedly it's perfectly adequate in this case. – Mark Ran...
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Can dplyr package be used for conditional mutating?

... I'm trying to get used to more tidyverse stuff from data.table, and this is one of those examples of a pretty common use-case that data.table is both easier to read and more efficient. My main reason for wanting to develop more tidyverse in my vocabul...
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How do I show a marker in Maps launched by geo URI Intent?

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If a folder does not exist, create it

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