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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是默认的使用了less进行比较。
关于这个_Pr详解可见：http://www.cnblogs.com/zjfdlut/archive/2011/08/12/2135698.html
解决方法
好了，知道了出错原因，我们就自己重载<操作符了：
bool operator<(const a& a1, const a& a2)
{
if ( a1.m_a>=a2.m_a )
...
how to append a list object to another
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Move window between tmux clients
...eUploader: {
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C++ template中typename和class的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...vi++)
;
return(i);
}
更详细的可以参考MSDN资料：
http://blogs.msdn.com/b/slippman/archive/2004/08/11/212768.aspx
C++ template typename class
Add unique constraint to combination of two columns
... to insert the row and returning an exception (exceptions are expensive).
http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling
http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-constraint-violations-before-entering-sql-server-try-and-catch-logic/
If you want to preve...
Have the same README both in Markdown and reStructuredText
...ut the same way when rendered as markdown or rendered as reStructuredText: https://gist.github.com/dupuy/1855764 ☺
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Allow user to set up an SSH tunnel, but nothing else
...or\r\n"
while [ true ] ; do
sleep 1000
done
exit 0
Fully explained here: http://blog.flowl.info/2011/ssh-tunnel-group-only-and-no-shell-please/
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postgresql: INSERT INTO … (SELECT * …)
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Sort array of objects by single key with date value
...j = _.sortBy(arrObj,"updated_at");
_.sortBy() returns a new array
refer http://underscorejs.org/#sortBy and
lodash docs https://lodash.com/docs#sortBy
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Why is list initialization (using curly braces) better than the alternatives?
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