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对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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1、最小化安装FreeBSD6.2RELEASE
2、配置内核：
jiulongproxynew# cd /usr/src/sys/i386/conf
jiulongproxynew# cp GENERIC funpower
jiulongproxynew# ee funpower
修改内核配置文件，将不需要的选项（如网卡）之类的前面打#，然后按esc并按a保存退出，再执...
Java 7 language features with Android
...know that Android reads the bytecode that Java spits out and turns it to dex. So I guess my question is can it understand the bytecode of Java 7?
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
4 Answers
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Can (domain name) subdomains have an underscore “_” in it?
...a domain name. Let me quote the standard, RFC
2181, section 11, "Name syntax":
The DNS itself places only one restriction on the particular labels
that can be used to identify resource records. That one
restriction relates to the length of the label and the full
name. [...] Implementation...
Why java.lang.Object is not abstract? [duplicate]
...ce, there would probably have been a lot less frustration around the complexities of these two if they had both been made abstract. This would require developers to figure out how they should be implementing them, making it more obvious that they should be consistent (see Effective Java). However, I...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...$in style symbols show up a fair bit when using MongoDB so you'll end up mixing Hash styles if you use MongoDB. And, if you ever work with specific keys of Hashes (h[:k]) rather than just whole hashes (h = { ... }), you'll still have to use the colon-first style for symbols; you'll also have to use ...
What is the difference between JavaConverters and JavaConversions in Scala?
...ns (since 2.8) and makes the conversion between Scala and Java collection explicit. Contrary to what David writes in his answer, I'd recommend you make it a habit to use JavaConverters as you'll be much less likely to write code that makes a lot of implicit conversions, as you can control the only s...
IIS Express Immediately shutting-down running site after stopping web application
...n I want to stop application in IDE, application was still running on IIS Express, I could browse and work with running application, but now I can't. IIS Immediately shutting-down application if I press stop button. Since I remember I didn't make any changes in setting. How should I do that running ...
Execute AsyncTask several times
In my Activity I use a class which extends from AsyncTask and a parameter which is an instance of that AsyncTask. When I call mInstanceOfAT.execute("") everything is fine.
But the app crash when I press an update button which calls again the AsyncTask(In case the network job didnt work). Cause the...
Error handling in Bash
What is your favorite method to handle errors in Bash?
The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org .
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