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Check number of arguments passed to a Bash script
...explicitly documented and is not right to be used as a common suggestion. 64 is also the most formal value since it's defined in sysexits.h with #define EX_USAGE 64 /* command line usage error */. Most tools like ls also return 2 on invalid arguments. I also used to return 2 in my scripts but lat...
Convert int to ASCII and back in Python
...r byte in range(nchars))
Yields '0123456789' and x = 227581098929683594426425L
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HTML/Javascript change div content
... and pure js solutions ( MacOs High Sierra 10.13.3 on Chrome 67.0.3396.99 (64-bit), Safari 11.0.3 (13604.5.6), Firefox 59.0.2 (64-bit) ):
document.getElementById("content").innerHTML = "whatever"; // pure JS
$('#content').html('whatever'); // jQuery
The jquery solutio...
STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...声明函数对象
注意:
编译器无法检测出所传递的迭代器是一个无效形式的迭代器,当然也无法给出算法函数错误的提示,因为迭代器并不是真实的类别,它只是传递给函数模板的一种参数格式而已
STL中算法分类:
操作对象
直...
How does one change the language of the command line interface of Git?
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With Git for Windows 2.x (64 bit) this will be in C:\Program Files\Git\mingw64\share\locale\$LANG\LC_MESSAGES\git.mo.
– Koraktor
How to know what the 'errno' means?
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For reference, here is a list from Ubuntu 14.04 amd64 pastebin.com/407gDBPq
– kevinf
Aug 8 '14 at 18:31
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How do I use prepared statements in SQlite in Android?
...swered Jun 6 '10 at 9:15
redfish64redfish64
54133 silver badges1010 bronze badges
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How to Query an NTP Server using C#?
...eld (time at which the reply
//departed the server for the client, in 64-bit timestamp format."
const byte serverReplyTime = 40;
//Get the seconds part
ulong intPart = BitConverter.ToUInt32(ntpData, serverReplyTime);
//Get the seconds fraction
ulong fractPart = BitConverte...
Why is Double.MIN_VALUE in not negative
...y small positive quantity in maths / physics. Go chose SmallestNonzeroFloat64 for instance.
– aioobe
Aug 28 '17 at 6:14
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...the output from sessionInfo():
R version 3.0.2 (2013-09-25)
Platform: x86_64-pc-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=...