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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...不一样，每一个单，在一个交易日内，都有可能自动来回N趟，产生净利润。
由计算机软件自动做开仓、平仓的动作，即便是很简单的策略，这样高效率执行下来，效果十分惊人，且其潜力，远远超过人工炒手，体现为：1、一...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
In this excellent SO question , differences between CTE and sub-queries were discussed.
4 Answers
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What is a lambda (function)?
For a person without a comp-sci background, what is a lambda in the world of Computer Science?
23 Answers
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What's the difference between interface and @interface in java?
I haven't touched Java since using JBuilder in the late 90's while at University, so I'm a little out of touch - at any rate I've been working on a small Java project this week, and using Intellij IDEA as my IDE, for a change of pace from my regular .Net development.
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RegEx for matching UK Postcodes
I'm after a regex that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
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Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
Why invoke the method Thread.currentThread.interrupt() in the catch block?
5 Answers
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How can I create directory tree in C++/Linux?
I want an easy way to create multiple directories in C++/Linux.
17 Answers
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Auto-loading lib files in Rails 4
I use the following line in an initializer to autoload code in my /lib directory during development:
4 Answers
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What's the purpose of git-mv?
From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose
of git mv ? The man page isn't specially descriptive...
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Shiro vs. SpringSecurity [closed]
I have currently evaluating Java based security frameworks, I am a Spring 3.0 user so it seemed that SpringSecurity would be the right Choice, but Spring security seems to suffer from excessive complexity, it certainly does not seem like it is making security easier to implement, Shiro seems to be m...