大约有 37,000 项符合查询结果(耗时:0.0249秒) [XML]

https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C++内核技术

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...
https://stackoverflow.com/ques... 

In C/C++ what's the simplest way to reverse the order of bits in a byte?

... from there is obviously simple to implement. =) For example (on a 32-bit CPU): uint8_t b = byte_to_reverse; b = ((b * 0x0802LU & 0x22110LU) | (b * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16; If by “simple to implement” one means something that can be done without a reference in ...
https://stackoverflow.com/ques... 

Hashing a file in Python

...chunks the hash function finds ideal which makes it faster or at lest less CPU intensive to compute the hash function. So instead of disabling buffering and trying to emulate it yourself, you use Python buffering and control what you should be controlling: what the consumer of your data finds ideal,...
https://stackoverflow.com/ques... 

Best practice for creating millions of small temporary objects

... is not always the case. A lot of objects you create does not even leave a CPU register. For instance, consider this for-loop for(int i=0, i<max, i++) { // stuff that implies i } Let's not think about loop unrolling (an optimisations that the JVM heavily performs on your code). If max is equ...
https://stackoverflow.com/ques... 

What is the easiest way to remove the first character from a string?

...sk as long as it's easily understood and maintainable and doesn't load the CPU unduly. – the Tin Man Nov 15 '16 at 23:03 ...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...性能上更为出色,至于孰优孰劣是个仁者见仁智者见智的问题,鉴于多数Linux发行版均选择了Rsyslog,姑且让我随波逐流一次。 如果说Rsyslog有哪些缺点的话,那么兼容性无疑是很显眼的一个,不同版本之间的差异比较大,使用时...