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What is tail recursion?
...ple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), th...
What exactly is Java EE?
... maintain. Spring was then a much better alternative to EJB2. But since EJB3 (Java EE 5), the EJB API was much improved based on lessons learnt from Spring. Since CDI (Java EE 6), there's not really a reason to look at again another framework like Spring to make the developers more easy as to develo...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...点。
1．共享网络
2．加快访问速度，节约通信带宽
3．防止内部主机受到攻击
4．限制用户访问，完善网络管理
原理：
① 客户端A向代理服务器提出访问Internet的请求。
② 代理服务器接受到请求后，首先与访问控制列...
Does Ruby regular expression have a not match operator like “!~” in Perl?
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3 Answers
3
Active
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How would you go about parsing Markdown? [closed]
...tten in OCaml, it is extremely simple and short (268 SLOC for the parser, 43 SLOC for the HTML emitter), yet blazingly fast (20% faster than discount (written in hand-optimized C) and sixhundred times faster than BlueCloth (Ruby)), despite the fact that it isn't even optimized for performance yet. B...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
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173
There's no big advantage for those cases where an assertFoo exists that exactly matches your int...
Sticky and NON-Sticky sessions
...(physical) web-server should each request go to. For example, if there are 3 web servers A, B and C behind the load balancer, it is possible that www.mywebsite.com/index.jsp is served from server A, www.mywebsite.com/login.jsp is served from server B and www.mywebsite.com/accoutdetails.php are serve...
Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
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3 Answers
3
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Move all files except one
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143
If you use bash and have the extglob shell option set (which is usually the case):
mv ~/Linux/O...
xUnit : Assert two List are equal?
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143
xUnit.Net recognizes collections so you just need to do
Assert.Equal(expected, actual); // Orde...