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Is errno thread-safe?
In errno.h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
...
Using generic std::function objects with member functions in one class
...nstance.
– penelope
Apr 5 '18 at 17:03
This compiles, but is it standard? Are you guaranteed that the first argument ...
Is it possible to include a file in your .gitconfig
... The ~ / $HOME expansion is actually as of git describe --contains 4c0a89fc -> v1.7.10.2~12^2 (i.e. v1.7.10.2 or later), notable as it seems Debian 7 and Ubuntu Quantal will release with v1.7.10.4.
– FauxFaux
Aug 22 '12 at 11:06
...
Reading binary file and looping over each byte
...7, 71, 232, 235, 36, 224, 190, 185, 12, 40, 131, 54, 79, 93, 210, 6, 154, 184, 82, 222, 80, 141, 117, 110, 254, 82, 29, 166, 91, 42, 232, 72, 231, 235, 33, 180, 238, 29, 61, 250, 38, 86, 120, 38, 49, 141, 17, 190, 191, 107, 95, 223, 222, 162, 116, 153, 232, 85, 100, 97, 41, 61, 219, 233, 237, 55, 24...
When to use lambda, when to use Proc.new?
...-created proc's return in action. It behaves in a way that you probably expect:
def whowouldwin
mylambda = lambda {return "Freddy"}
mylambda.call
# mylambda gets called and returns "Freddy", and execution
# continues on the next line
return "Jason"
end
whowouldwin
#=> "Jason"
N...
How exactly does a generator comprehension work?
...is:
>>> (x**2 for x in xrange(1,11))
<generator object at 0x7f0a79273488>
In Python 3, however, range is a generator, so the outcome depends only on the syntax you use (square brackets or round brackets).
s...
Android EditText delete(backspace) key event
...
answered Jun 6 '16 at 10:03
Leo DroidcoderLeo Droidcoder
10.7k33 gold badges4747 silver badges4646 bronze badges
...
How to echo with different colors in the Windows command line
... on & for %%b in (1) do rem"') do (
set "DEL=%%a"
)
call :ColorText 0a "green"
call :ColorText 0C "red"
call :ColorText 0b "cyan"
echo(
call :ColorText 19 "blue"
call :ColorText 2F "white"
call :ColorText 4e "yellow"
goto :eof
:ColorText
echo off
<nul set /p ".=%DEL%" > "%~2"
findstr ...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...觉醒来，都收盘了，看了下统计搞了376手，当日来回跑了84趟，这84趟，扣除手续费后的净利润是907.2元，相当给力。
我就是个金融市场里“捡破烂”的笨小孩，两群身强力壮的大人们在打群架，俺就坐在旁边看热闹，那一边都...
How can I keep Bootstrap popovers alive while being hovered?
...
answered Oct 30 '13 at 14:03
OkezieEOkezieE
4,34833 gold badges2222 silver badges2323 bronze badges
...
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