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Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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How to convert array values to lowercase in PHP?
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How to duplicate a whole line in Vim?
How do I duplicate a whole line in Vim in a similar way to Ctrl + D in IntelliJ IDEA/ Resharper or Ctrl + Alt + ↑ / ↓ in Eclipse ?
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Why is std::min failing when windows.h is included?
What is windows doing if I include Windows.h? I can't use std::min in visual studio 2005. The error message is:
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...来说，就是指”Symantec Corporation”这个机构。
Not valid before, Not valid after (证书的有效期)
Public key (公钥)
这个我们在前面介绍公钥密码体制时介绍过，公钥是用来对消息进行加密的。
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Set environment variables on Mac OS X Lion
When someone says "edit your .plist file" or "your .profile" or ".bash_profile" etc, this just confuses me. I have no idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
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Converting BigDecimal to Integer
I have Hibernate method which returns me a BigDecimal.
I have another API method to which I need to pass that number but it accepts Integer as parameter. I cannot change return types or variable types of both methods.
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How to add a downloaded .box file to Vagrant?
How do I add a downloaded .box file to Vagrant's list of available boxes? The .box file is located on an external drive.
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What is the difference between _tmain() and main() in C++?
If I run my C++ application with the following main() method everything is OK:
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