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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...器：E5200 双核 2.5G cpu， 4 G DDR3 1333内存，硬盘 500G SATA 7200转硬盘。数据库为mysql。在这样的条件下我们能否实现这个系统目标？当然如果有更好的硬件不是这个文章阐述的内容。现通过采集、存储来说明一下如何实现：
一、采集...
Open a link in browser with java button? [duplicate]
...nix()
{
return OS.contains("nix") || OS.contains("nux") || OS.indexOf("aix") > 0;
}
Then we can call this helper from the instance:
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
MUtils.openURL("www.google.com"); // just what is the...
grep a tab in UNIX
... That's very good for GNU UNIX, but what about POSIX Solaris, AIX and HP-UX? Those don't know anything about -P option.
– rook
Aug 5 '13 at 15:17
22
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How can I redirect the output of the “time” command?
...
This worked with AIX when nothing could redirect the output of the "hostent" command. Thank you!
– Hugo
May 1 '15 at 4:04
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Fastest check if row exists in PostgreSQL
...mit it to 1 row. Should perform better. Have a look at edited answer from @aix for that.
– Fabian Barney
Sep 19 '11 at 13:44
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互联网运营人员必备的12款工具 - 资讯 - 清泛网 - 专注C/C++及内核技术
...链接可以直接添加到微信菜单栏或者进行朋友圈、微博的转发和分享，方便传播。
用麦客收集到的数据会自动生成数据报表。相较其他在线表单制作工具而言，麦客能够将表单收集到的信息与客户的“联系人信息”打通，非常...
Bash Script : what does #!/bin/bash mean? [duplicate]
...both Ash & Dash have sh compatibility modes. If we delve into Solaris, Aix, HPUX, Ultrix, SCO etc. each will have their own default shell, which will have sh emulation (to remain POSIX compliant.)
– ocodo
Dec 14 '12 at 6:19
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How do I determine the current operating system with Node.js
...indows, it returns win32 (even on 64 bit).
Current possible values are:
aix
darwin
freebsd
linux
openbsd
sunos
win32
I just set this at the top of my jakeFile:
var isWin = process.platform === "win32";
share
...
How to get “wc -l” to print just the number of lines without file name?
...
In AIX,ksh, this will always have a space preceeding the number. We have to use | awk '{print $1}' or a cut, to trim off the spaces. Another way to trim would be to enclose with an echo.
– rao
...
从网购到火车票，对比淘宝12306网为何如此烂？ - 大数据 & AI - 清泛网 - ...
...级”还那么弱不禁风。
冯大辉的微博马上得到了@caoz的转发响应，后者在9月底对12306的骂战中一战成名，由于观点相似，caoz和Fenng可以称为统一战线——当然，众多对12306充满怨恨的普通购票者也与他们在感情上统一战线。
简...