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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...nd preclude a whole bunch of new features from being implemented in Python 2.x.
What yield from does is it establishes a transparent bidirectional connection between the caller and the sub-generator:
The connection is "transparent" in the sense that it will propagate everything correctly too, not...
Sleep Command in T-SQL?
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624
Look at the WAITFOR command.
E.g.
-- wait for 1 minute
WAITFOR DELAY '00:01'
-- wait for 1 s...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...概念混淆，因为每个进程都拥有其独立的内存空间。
1.2．Linux线程
实际上线程是由进程演化而来的，一个标准的进程可以看成只有一个控制线程，线程才是真正的执行单元，真正消耗CPU的时间片，所以该进程在同一时刻只做...
PHP Fatal error: Cannot redeclare class
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answered Apr 2 '09 at 3:15
whichdanwhichdan
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What is the best comment in source code you have ever encountered? [closed]
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undefined reference to `__android_log_print'
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edited Jun 4 '13 at 12:57
Tim Cooper
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How can I break an outer loop with PHP?
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274
In the case of 2 nested loops:
break 2;
http://php.net/manual/en/control-structures.break.p...
How to “pretty” format JSON output in Ruby on Rails
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Use the pretty_generate() function, built into later versions of JSON. For example:
require 'j...