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What is the fastest way to compare two sets in Java?
I am trying to optimize a piece of code which compares elements of list.
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...弈”，即看跌卖出的空方和看涨买入的多方进行博弈；
C) 股市博弈的本质和下棋很相似，有人说股市如棋，此言甚是；
D) 多空双方在“不同的时间等级上”进行厮杀和纠缠，正如没有两盘完全相同的棋局一样，股市也是一样...
Never seen before C++ for loop
I was converting a C++ algorithm to C#.
I came across this for loop:
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What is the point of function pointers?
I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
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What is the relation between BLAS, LAPACK and ATLAS
I don't understand how BLAS, LAPACK and ATLAS are related and how I should use them together! I have been looking through all of their manuals and I have a general idea of BLAS and LAPACK and how to use them with the very few examples I find, but I can't find any actual examples using ATLAS to see h...
Set focus on TextBox in WPF from view model
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Are Java static initializers thread safe?
I'm using a static code block to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessi...
Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
I have searched about static variables in C#, but I am still not getting what its use is. Also, if I try to declare the variable inside the method it will not give me the permission to do this. Why?
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Determining complexity for recursive functions (Big O notation)
I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...