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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...一就是“一切皆文件”,都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现,socket即是一种特殊的文件,一些socket函数就是对其进行的操作(读/写IO、打开、关闭) 既...
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What is the preferred/idiomatic way to insert into a map?

...gn a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value for an previou...
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How to parse/read a YAML file into a Python object? [duplicate]

...: pip install PyYAML And the Python code looks like this: import yaml with open('tree.yaml') as f: # use safe_load instead load dataMap = yaml.safe_load(f) The variable dataMap now contains a dictionary with the tree data. If you print dataMap using PrettyPrint, you will get something ...
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Multiple glibc libraries on a single host

... It is very possible to have multiple versions of glibc on the same system (we do that every day). However, you need to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces i...
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Repeat string to certain length

...follow | edited Nov 23 '17 at 22:56 Joop 2,9062525 silver badges5050 bronze badges answer...
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One-liner to check whether an iterator yields at least one element?

... any won't go beyond the first element if it's True. In case the iterator yields something false-ish you can write any(True for _ in iterator). share | improve this ...
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How to calculate a time difference in C++

...PER_SEC; If you want calculate execution time for self ( not for user ), it is better to do this in clock ticks ( not seconds ). EDIT: responsible header files - <ctime> or <time.h> share | ...
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

...RDIFF_T_SPECIFIER "%zd" #else // TODO figure out which to use. #if NUMBITS == 32 #define JL_SIZE_T_SPECIFIER something_unsigned #define JL_SSIZE_T_SPECIFIER something_signed #define JL_PTRDIFF_T_SPECIFIER something_signed #else #define JL_SIZE_T_SPECIFIER something_bigg...
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What is the python keyword “with” used for? [duplicate]

What is the python keyword "with" used for? 2 Answers 2 ...
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How do I get bash completion to work with aliases?

... As stated in the comments above, complete -o default -o nospace -F _git_checkout gco will no longer work. However, there's a __git_complete function in git-completion.bash which can be used to set up completion for aliases like so: __git_complete gco _git_checkout ...