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Does ruby have real multithreading?
...operative" threading of ruby using green threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
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Split Java String by New Line
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Mac 9 uses \r. OSX 10 uses \n
– Raekye
May 6 '13 at 5:25
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How can I clear previous output in Terminal in Mac OS X?
...wer keyboards
To clear the terminal from within a shell script;
/usr/bin/osascript -e 'tell application "System Events" to tell process "Terminal" to keystroke "k" using command down'
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
... computer set, and the external source port on the router. The latter is chosen by the router, not the hosts. Since, internally, each host has a different IP address, there is no collision.
– Borealid
Apr 27 '14 at 1:39
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What is getattr() exactly and how do I use it?
..., and the 2nd bullet mentions getattr with 3 parameters. Even if it was incosistent though, I would probably leave it, emphasis is more important.
– blue_note
Jul 2 at 17:12
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How do I build a graphical user interface in C++? [closed]
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Essentially, an operating system's windowing system exposes some API calls that you can perform to do jobs like create a window, or put a button on the window. Basically, you get a suite of header files and you can call functions in those imported libraries, just like you'd do wi...
Difference between File.separator and slash in paths
...I, however, because it's best to show people what will make sense in their OS, rather than what makes sense to Java.
Update: I have not been able, in five minutes of searching, to find the "you can always use a slash" behavior documented. Now, I'm sure I've seen it documented, but in the absense of...
分段机制、分页机制到底是什么？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...关心线性地址（看起来连续的整块地址空间），
寻址时操作系统层面需要通过页面page映射成逻辑地址，逻辑地址也不是真正的内存地址，
需要配合段选择子计算出最终的物理地址，然后便可完成物理内存读取。分段机制 分页...
【解决】bufferevent_openssl.c:228:19: error: storage size of \'methods...
【解决】bufferevent_openssl.c:228:19: error: storage size of 'methods_bufferevent' isn't knownxunsearch 升级 安装的时候报 libevent 编译错误：bufferevent_openssl c:228:19: error: storage size of & 39;methods_bufferevent& 39; isn& 39;t knownstatic BIO_ xunsearch 升级/安装的时...
Linux上安装dtrace（劝退篇） - 操作系统(内核) - 清泛网 - 专注IT技能提升
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这里需要看一下README. 首先是安装相关依赖, 根据不同的操作系统执行:
$ tools/get-deps.pl # if using Ubuntu
$ tools/get-deps-fedora.sh # RedHat/Fedora
这里可能会需要重启计算机(在Debian要求了, 但是Fedora下不需要). 接着执行:
$ make all
$ make...