大约有 15,000 项符合查询结果(耗时:0.0155秒) [XML]

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

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

...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...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...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...
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How to measure time taken between lines of code in python?

...g about time.time() is that it is affected by time sunchronization ntpdate etc. I would say time.clock() would be the only reliable alternative because of this – www.jensolsson.se Jul 26 '16 at 6:58 ...
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What are bitwise shift (bit-shift) operators and how do they work?

...een attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ... ...
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Sleeping in a batch file

...sys.argv[1])) It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to your PATHEXT environment variable. On Windows XP, you can edit it in: My Computer → Properties...
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What is the difference between task and thread?

...it takes a long time to compute, or it might that it takes a long time to fetch. Only in the former case would you use a Thread to run a Task. (In .NET, threads are freaking expensive, so you generally want to avoid them as much as possible and really only use them if you want to run multiple heavy ...
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What is the difference between a thread and a fiber?

...eralization and may not always hold true depending on OS/threading package/etc.). This means that for threads, data integrity is a big issue because one thread may be stopped in the middle of updating a chunk of data, leaving the integrity of the data in a bad or incomplete state. This also means th...
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Difference between scaling horizontally and vertically for databases [closed]

... involves downtime. In-Memory Data Grids such as GigaSpaces XAP, Coherence etc.. are often optimized for both horizontal and vertical scaling simply because they're not bound to disk. Horizontal-scaling through partitioning and vertical-scaling through multi-core support. You can read more on this s...
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Does ruby have real multithreading?

...un one thread at a time. However, any number of C Threads (POSIX Threads etc.) can run in parallel to the Ruby Thread, so external C Libraries, or MRI C Extensions that create threads of their own can still run in parallel. The second implementation is YARV (short for "Yet Another Ruby VM"). Y...