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How to modify a global variable within a function in bash?
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When you use a command substitution (ie the $(...) construct), you are creating a subshell. Subshells inherit variables from their parent shells, but this only works one way - a subshell cannot modify the environment of its parent shell. Your variabl...
What do 'statically linked' and 'dynamically linked' mean?
...itten in C , C++ or C# . What are they, what exactly are they talking about, and what are they linking?
5 Answers
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Is it possible to cache POST methods in HTTP?
...e same (and the URL is the same, of course), then it's a hit. Is that possible? Recommended?
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is there a css hack for safari only NOT chrome?
im trying to find a css hack for just safari NOT chrome, i know these are both webkit browsers but im having problems with div alignments in chrome and safari, each displays differently.
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从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...支持的功能 ,有必要将其与现有的教学系统尤其是基于 Web的虚拟学习系统整合起来。作者：蔡苏,余胜泉
单位：北京师范大学现代教育技术研究所
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当前教育领域涌现了很多使用基于...
How many GCC optimization levels are there?
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To be pedantic, there are 8 different valid -O options you can give to gcc, though there are some that mean the same thing.
The original version of this answer stated there were 7 options. GCC has since added -Og to bring the ...
Difference between CouchDB and Couchbase
Are there any essential differences between CouchDB and Couchbase .
3 Answers
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Kill child process when parent process is killed
...iagnostics.Process class from my application. I want this processes to be killed when/if my application has crashed. But if I kill my application from Task Manager, child processes are not killed. Is there any way to make child processes dependent on parent process?
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...al refers to actual elapsed time; User and Sys refer to CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for ...
Is a statically-typed full Lisp variant possible?
Is a statically-typed full Lisp variant possible? Does it even make sense for something like this to exist? I believe one of a Lisp language's virtues is the simplicity of its definition. Would static typing compromise this core principle?
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