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Converting string into datetime
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3548
datetime.strptime is the main routine for parsing strings into datetimes. It can handle all s...
Content Security Policy “data” not working for base64 Images in Chrome 28
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Pang
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answered Aug 26 '13 at 17:22
user824425user824425
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What is the difference between PS1 and PROMPT_COMMAND
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answered Jun 17 '10 at 1:38
Scott ThomsonScott Thomson
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How to show line number when executing bash script
...4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gives the ultimate PS4 that would output everything you will possibly need for tracing:
export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]...
When correctly use Task.Run and when just async-await
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380
Note the guidelines for performing work on a UI thread, collected on my blog:
Don't block th...
String.replaceAll single backslashes with double backslashes
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edited Aug 13 '15 at 8:16
answered Nov 9 '09 at 15:45
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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372
The meaning of CascadeType.ALL is that the persistence will propagate (cascade) all EntityMana...
Allowed characters in Linux environment variable names
...='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but:
Environment variable names used by...
Magic number in boost::hash_combine
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The magic number is supposed to be 32 random bits, where each is equally likely to be 0 or 1, and with no simple correlation between the bits. A common way to find a string of such bits is to use the binary expansion of an irrational number; in this case, that...