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Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
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How exactly do Django content types work?
I'm really having a difficult time grasping the concept of Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
C++ - passing references to std::shared_ptr or boost::shared_ptr
If I have a function that needs to work with a shared_ptr , wouldn't it be more efficient to pass it a reference to it (so to avoid copying the shared_ptr object)?
What are the possible bad side effects?
I envision two possible cases:
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Why do I need 'b' to encode a string with Base64?
Following this python example , I encode a string as Base64 with:
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Performance of foreach, array_map with lambda and array_map with static function
What's the performance difference (if there is any) between these three approaches, both used to transform an array to another array?
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
LR性能测试结果样例分析测试结果分析 LoadRunner性能测试结果分析是个复杂的过程，通常可以从结果摘要、并发数、平均事务响应时间、每秒点击数、业务成功率...
测试结果分析
LoadRunner性能测试结果分析是个复杂的...
How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
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How does HTTP file upload work?
When I submit a simple form like this with a file attached:
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