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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n 29 17:50 NRU_CMU_DISK_SIZE_NOTIFY2008
-rw-r--r-- 1 root root 933 Jan 10 2002 anaconda-ks.cfg 文件
drw-r--r-- 1 root root 49431 Jan 10 2002 install 目录
-rw-r--r-- 1 root root 3331 Jan 10 2002 install.log.syslog
ls命令后直接加上欲显示的目录路径，...
CURL alternative in Python
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answered Apr 19 '10 at 14:24
blwy10blwy10
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How to search for a part of a word with ElasticSearch
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10 Answers
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Active
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How to Test a Concern in Rails
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The method you found will certainly work to test a little bit of functionality but seems pretty fragile—your dummy class (actually just a Struct in your solution) may or may not behave like a real class that includes your concern. Additionally if you're trying to test model concer...
How do I read any request header in PHP
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edited Jul 5 '17 at 10:38
answered Feb 12 '09 at 14:25
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'pip' is not recognized as an internal or external command
...stem settings>advanced>environment variables. I am using Windows 8 64bit. Thanks!
– Mohammed
Jan 4 '15 at 17:19
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
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@Dimitris Yes, it can be simplified a little bit. I've updated github example so now it doesn't use configure_package_config_file. By the way if you have any other suggestions you can send me pull request.
– user2288008
Feb 3 '15 a...
JSON left out Infinity and NaN; JSON status in ECMAScript?
...s, i.e. by a literals NaN/Infinity/NegInfinity. These are states of the 64 bit doubles and as such should be representable. There are people who depend on them (for reasons). They were probably forgotten because JSON/Javascript originated in web development instead of scientific computing.
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“Inspect” a hover element?
...r effect when the mouse leave the hover area:
Open the inspector in docked window and increase the width until reach your HTML element, then right click and the popup menu must be over the inspector zone... then when you move the mouse over the inspector view, the hover effect keep activated in the ...
When would anyone use a union? Is it a remnant from the C-only days?
...ce.
Use case 1: the chameleon
With unions, you can regroup a number of arbitrary classes under one denomination, which isn't without similarities with the case of a base class and its derived classes. What changes, however, is what you can and can't do with a given union instance:
struct Batman;
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