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Track the time a command takes in UNIX/LINUX?
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And, the meaning of real/user/sys times is nicely covered here
– prideout
Nov 14 '14 at 17:16
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What's the difference between and , and ?
...d" is a style - when you say "bold a word", people basically know that
it means to add more, let's say "ink", around the letters until they stand out
more amongst the rest of the letters.
That, unfortunately, means nothing to a blind person. On mobile phones
and other PDAs, text is already bold b...
JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
...alse
0 (zero)
"" (empty string)
null
undefined
NaN (a special Number value meaning Not-a-Number!)
All other values are truthy, including "0" (zero in quotes), "false" (false in quotes), empty functions, empty arrays, and empty objects.
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How to force vim to syntax-highlight a file as html?
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You mean Modeline
– Shammel Lee
May 11 '17 at 19:47
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How to toggle a boolean?
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@user2846569, if you're toggling the boolean, that means that by nature the variable has already been initialized. You could expand it to bool = !bool || true; to have a default, I suppose.
– Jordan
May 22 '14 at 0:53
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What is the difference between native code, machine code and assembly code?
...e: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes used to mean unmanaged code (see below).
Unmanaged code and managed code: Unmanaged code refers to code written in a programming language such as C or C++, which is compiled directly into...
Troubleshooting “Illegal mix of collations” error in mysql
...AM AUTO_INCREMENT=125 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
This means that my variable was configured with the default collation of utf8_general_ci while my table was configured as utf8_unicode_ci.
By adding the COLLATE command next to the variable declaration, the variable collation mat...
What exactly does git rebase --skip do?
...ngs up old merge conflicts... another thing that confuses me?... does this mean that it skipped the conflict, but applied the patch that resolved the conflict?
– mrwooster
Mar 2 '12 at 19:59
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
... you go. Now you will be able to login from any of the computer and by any means of app to your google account.
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Caveats of select/poll vs. epoll reactors in Twisted
...u're only paying for the ones that are active at any given time.
All this means that epoll will lead to less CPU usage for most workloads. As far as memory usage goes, it's a bit of a toss up. select does manage to represent all the necessary information in a highly compact way (one bit per file ...