大约有 40,000 项符合查询结果(耗时:0.0476秒) [XML]
MySQL vs MongoDB 1000 reads
I have been very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
...
How does RegexOptions.Compiled work?
....Matches[i++ % item.Matches.Length]);
});
}
}
It performs 4 tests on 3 different regular expressions. First it tests a single once off match (compiled vs non compiled). Second it tests repeat matches that reuse the same regular expression.
The results on my machine (compiled in relea...
Why don't they teach these things in school? [closed]
...ve to gather: how much does version control help? How does it help? Unit testing? We can reason about the effectiveness of various techniques, but actually proving that effectiveness conclusively would be very expensive. We'd need to run a complete, realistic software project from beginning to e...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区,为创新赋能!
...中的成员的地址是什么?我们先简单化一下代码:struct test{
int i;
char *p;
};复制代码
上面代码中,test结构中i和p指针,在C的编译器中保存的是相对地址——也就是说,他们的地址是相对于struct test的实例的。...
How to get full path of a file?
...
Just tested on 10.9.2, works fine. which readlink /usr/local/opt/coreutils/libexec/gnubin/readlink readlink --version readlink (GNU coreutils) 8.22
– J0hnG4lt
Mar 11 '14 at 22:39
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What differences, if any, between C++03 and C++11 can be detected at run-time?
...
return sizeof(&A::operator int&& +a) == sizeof(Y);
}
That test-case doesn't work for C++0x in GCC (looks like a bug) and doesn't work in C++03 mode for clang. A clang PR has been filed.
The modified treatment of injected class names of templates in C++11:
template<typename T>...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...ow, this works. Thank you! I have some in-memory-integration-owin-kind of tests which fails on the build server, but not locally. With this setting in my startup-class, I may have a chance to figure out why.
– Thomas Eyde
Jan 5 '16 at 13:52
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to_string is not a member of std, says g++ (mingw)
...not a member of 'std' error. I compiled it as: g++ -std=c++0x -o tostring_test.exe tostring_test.cpp
– zam664
Dec 2 '13 at 16:58
6
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How can I automatically deploy my app after a git push ( GitHub and node.js)?
...rvice Hooks' => 'WebHook URLs'
and add
http://your-domain-name/git_test.php
then create git_test.php
<?php
try
{
$payload = json_decode($_REQUEST['payload']);
}
catch(Exception $e)
{
exit(0);
}
//log the request
file_put_contents('logs/github.txt', print_r($payload, TRUE), FILE_...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...o this type of automation tasks, with tasks like:
Get-SqlDatabase -dbname test -sqlserver server | Get-SqlTable | Get-SqlScripter | Set-Content -Path C:\script.sql
Get-SqlDatabase -dbname test -sqlserver server | Get-SqlStoredProcedure | Get-SqlScripter
Get-SqlDatabase -dbname test -sqlserver serve...
