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How to remove line breaks (no characters!) from the string?

... You should be able to replace it with a preg that removes all newlines and carriage returns. The code is: preg_replace( "/\r|\n/", "", $yourString ); Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
https://www.tsingfun.com/ilife/idea/538.html 

来自微软的一手内幕:Windows 10是怎么出炉的 - 创意 - 清泛网 - 专注C/C++及内核技术

...各种bug,他都非常耐心的在听,甚至还用邮件秒传了一个问题的解决方案给我。 他承认,干了这么多年的产品支持,自己对品质有一定偏执。很明显,他是发自内心地在乎。虽然许多人会开玩笑说,IT支持只不过是一个告诉...
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Use numpy array in shared memory for multiprocessing

... To add to @unutbu's (not available anymore) and @Henry Gomersall's answers. You could use shared_arr.get_lock() to synchronize access when needed: shared_arr = mp.Array(ctypes.c_double, N) # ... def f(i): # could be anything numpy accepts as an index such another numpy array with ...
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Difference between float and decimal data type

... Actually, the DECIMAL addition is in error. If you add 33.333333333 three times you don't get 100. If you divide 100 by 3 you don't get a rational number without a repeating set of trailing digits, so you can't multiply it by 3 a...
https://www.tsingfun.com/ilife/tech/1097.html 

小心!创业者不可不知的互联网家装惊天伪命题 - 资讯 - 清泛网 - 专注C/C++...

...便能够实时监控到整个装修过程,对于家装过程中出现的问题,用户没有必要前往装修现场,便能够完成对整个装修过程的控制……改变正在悄然发生,虽然这些改变虽然有些机械,但是它们却正在真切地发生着。 而用户也从...
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Convert a String In C++ To Upper Case

...orm extremely badly with g++ 5.2 -O3, and Boost 1.58 (like 30x worse than calling glibc's toupper in a loop.) There's a dynamic_cast of the locale that doesn't get hoisted out of the per-char loop. See my answer. On the plus side, this may be properly UTF-8 aware, but the slowdown doesn't come fr...
https://www.tsingfun.com/it/tech/1649.html 

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

...程来处理的 IO 模型,但是效率相对比较差,也很容易出问题,所以暂时不做介绍了)。在这些多路复用的模式中,异步阻塞/非阻塞模式的扩展性和性能最好。 引入阻塞/非阻塞,、同步/异步比喻很形象的一段话: 有A,B,C,D...
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What is Node.js? [closed]

I don't fully get what Node.js is all about. Maybe it's because I am mainly a web based business application developer. What is it and what is the use of it? ...
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multiprocessing: sharing a large read-only object between processes?

...ults from stdin, does work, writes intermediate results on stdout. Connect all the workers as a pipeline: process1 <source | process2 | process3 | ... | processn >result Each process reads, does work and writes. This is remarkably efficient since all processes are running concurrently. T...
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C++模板的特化 - C/C++ - 清泛网 - 专注C/C++及内核技术

...至于这里怎么都把T2搞没了变成只依赖一个模板参数T了的问题,大家别着急,我来告诉你个本质的东西,把我这么三点就可以了:1.模板参数个数一致;2.只要template <...>里面有东西不是<>,比如typename T,那么特化时就得用到T;3....