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How to get a random number in Ruby
...ust need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to ...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能足够好，所以就没有必要使用Memcached了，能节省大量的硬件资源，相当低碳！而且HandlerSocket操作的是MySQL放在内存中的索引，没有额外的缓存，所以自然就不存在数据一致性的问题。
安装
如果使用Percona Server版本的MySQL就简...
创业者只需要一种素质：成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...
...男士有手淫的需求，从而开发了一个APP和与之匹配的智能硬件，视频全篇实际上是在说一件没有的事，但是搏得了很多人的关注。
也就是说现在你甚至不用有产品，只要大家觉得你有意思，你自己就是品牌，你自己就是产品。...
Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...efaultTimespan) and public Foo(Timespan ts)
– johan mårtensson
Nov 3 '17 at 11:39
add a comm...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...omial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see Viète's formulas. Since every polynomial factors uniquely (ring of polynomials is an Euclidean domain), this means ai are uniquely determined, up to permutation.
This ends a proof that remembering powers is enough to recover ...
Why does !{}[true] evaluate to true in JavaScript?
... answered Oct 31 '13 at 9:43
Frédéric HamidiFrédéric Hamidi
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Last segment of URL in jquery
... answered Jan 21 '11 at 11:18
Frédéric HamidiFrédéric Hamidi
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How do I get the n-th level parent of an element in jQuery?
... answered Aug 17 '11 at 13:37
Frédéric HamidiFrédéric Hamidi
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Can HTML checkboxes be set to readonly?
...data posted, your example does not do that.
– David Mårtensson
Feb 8 '12 at 16:59
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