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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...塞的古老模型:属于同步阻塞 IO 模型,代码如下: socket_server.php <?php /** * SocketServer Class * By James.Huang <shagoo#gmail.com> **/ set_time_limit(0); class SocketServer { private static $socket; function SocketServer($port) { ...
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MySQL - UPDATE query based on SELECT Query

... You can actually do this one of two ways: MySQL update join syntax: UPDATE tableA a INNER JOIN tableB b ON a.name_a = b.name_b SET validation_check = if(start_dts &gt; end_dts, 'VALID', '') -- where clause can go here ANSI SQL syntax...
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Changing default encoding of Python?

...on ASCII being the default (this code can be third-party, which would generally make fixing it impossible or dangerous). share | improve this answer | follow |...
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Python Progress Bar

...can ignore it by using warnings.simplefilter("ignore"), but it will ignore all warnings in your code after that. share | improve this answer | follow | ...
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Concurrent.futures vs Multiprocessing in Python 3

... I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick. So, like virtuall...
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hidden symbol ... is referenced by DSO 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...因是符号(函数)未导出导致的,添加导出申明即可解决:__attribute__ ((visibility("default")) DSO 是动态共享对象,Linux报“hidden symbol ... is referenced by DSO”错误的原因是符号(函数)未导出导致的,添加导出申明即可解决: __attribute__ (...
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C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...

...易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threadpool)完整实现本文主要介绍两种C++线程池模型完整代码,经过实战考验的,效率已极致优化的代码,可直接用于实际项目开发。1、C++简练易用的线程池(threadpool) 完整...
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra

Been using SVN branches with Tortoise 1.6. I've been periodically merging the trunk into the branch to keep it up to date. ...
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How to 'bulk update' with Django?

...ings like incrementing rows: from django.db.models import F Entry.objects.all().update(n_pingbacks=F('n_pingbacks') + 1) See the documentation. However, note that: This won't use ModelClass.save method (so if you have some logic inside it won't be triggered). No django signals will be emitte...
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See line breaks and carriage returns in editor

Does anyone know of a text editor on Linux that allows me to see line breaks and carriage returns? Does Vim support this feature? ...