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How to draw a rounded Rectangle on HTML Canvas?
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50
The HTML5 canvas doesn't provide a method to draw a rectangle with rounded corners.
How about u...
MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...user-defined views derived from CMDIView
m_wndSplitter.CreateView(0,0,RUNTIME_CLASS(COneView), CSize(0,0),
pContext);
m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(CAnotherView), CSize(0,0),
pContext);
return (bCreateSpltr);
}
或者：
BOOL...
javascript: recursive anonymous function?
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answered Oct 7 '10 at 16:46
PointyPointy
359k5454 gold badges508508 silver badges567567 bronze badges
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How to map atan2() to degrees 0-360
atan2(y, x) has that discontinuity at 180° where it switches to -180°..0° going clockwise.
15 Answers
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
... |
edited Oct 24 '18 at 8:00
answered Oct 8 '15 at 7:54
sof...
Shell equality operators (=, ==, -eq)
... guaranteed to work.
$ a=foo
$ [ "$a" = foo ]; echo "$?" # POSIX sh
0
$ [ "$a" == foo ]; echo "$?" # bash specific
0
$ [ "$a" -eq foo ]; echo "$?" # wrong
-bash: [: foo: integer expression expected
2
(Side note: Quote those variable expansions! Do not leave out the double quotes ab...
Rename Pandas DataFrame Index
... but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
9 Answers
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'.
As per the manual:
When multiple matches are possible, the server must determine which of
them to use. It resolves this issue as follows: (...)
When a client attempts to connect, the server looks throug...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
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edited Dec 16 '19 at 11:30
Demi-Lune
1,22822 gold badges1010 silver badges1919 bronze badges
answered O...
Cleaning `Inf` values from an R dataframe
..., function(x) replace(x, is.infinite(x),NA))))
## user system elapsed
# 0.52 0.01 0.53
# is.na (@dwin)
system.time(is.na(dat) <- sapply(dat, is.infinite))
# user system elapsed
# 32.96 0.07 33.12
# modified is.na
system.time(is.na(dat) <- do.call(cbind,lapply(dat, is.infini...