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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...，选择合适的内存管理算法会带来明显的性能提升。比如nginx， 它在每个连接accept后
需求
系统的物理内存是有限的，而对内存的需求是变化的, 程序的动态性越强，内存管理就越重要，选择合适的内存管理算法会带来明显的...
Running Python on Windows for Node.js dependencies
I am getting into a Node.js codebase which requires that I download a few dependencies via NPM, namely jQuery.
22 Answers
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How do you crash a JVM?
I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory.
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arrow operator (->) in function heading
I came across the following code:
2 Answers
2
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LEN function not including trailing spaces in SQL Server
I have the following test table in SQL Server 2005:
10 Answers
10
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What is an OS kernel ? How does it differ from an operating system? [closed]
I am not able to understand the difference between a kernel and an operating system. I do not see any difference between them. Is the kernel an operating system?
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How can I get useful error messages in PHP?
Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
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pandas three-way joining multiple dataframes on columns
I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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How to find the key of the largest value hash?
I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1}
7 Answers
7
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Set font-weight using Bootstrap classes
Is there any Twitter Bootstrap class for font-weight: bold and other values of font-weight ?
6 Answers
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