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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...一个带有可变参数的函数，其功能类似于printf：
//m=1；n=2
extern void myprint(const char *format,...) __attribute__((format(printf,1,2)));
//m=2；n=3
extern void myprint(int l，const char *format,...)
__attribute__((format(printf,2,3)));
需要特别注意的是，如果my...
What is the use of the ArraySegment class?
...l array, get the first item, and so on:
var array = new byte[] { 5, 8, 9, 20, 70, 44, 2, 4 };
array.Dump();
var segment = new ArraySegment<byte>(array, 2, 3);
segment.Dump(); // output: 9, 20, 70
segment.Reverse().Dump(); // output 70, 20, 9
segment.Any(s => s == 99).Dump(); // output fals...
Convert a PHP object to an associative array
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What exactly do “u” and “r” string flags do, and what are raw string literals?
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702
There's not really any "raw string"; there are raw string literals, which are exactly the string...
Programmer Puzzle: Encoding a chess board state throughout a game
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CALayer with transparent hole in it
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219
I was able to solve this with Jon Steinmetz suggestion. If any one cares, here's the final sol...
cartesian product in pandas
...rom pandas import DataFrame, merge
df1 = DataFrame({'key':[1,1], 'col1':[1,2],'col2':[3,4]})
df2 = DataFrame({'key':[1,1], 'col3':[5,6]})
merge(df1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6...
Bash script plugin for Eclipse? [closed]
...s of this writing, Juno) you'll need to use an older version, for instance 2.0.1 is compatible with Indigo.
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newline in [duplicate]
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This should now work with Internet Explorer, Firefox v12+ and Chrome 28+
<img src="'../images/foo.gif'"
alt="line 1&#013;line 2" title="line 1&#013;line 2">
Try a JavaScript tooltip library for a better result, something like OverLib.
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