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Random record from MongoDB
I am looking to get a random record from a huge (100 million record) mongodb .
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how to break the _.each function in underscore.js
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Change priorityQueue to max priorityqueue
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Coffeescript — How to create a self-initiating anonymous function?
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While you can just use parentheses (e.g. (-> foo)(), you can avoid them by using the do key...
How do I return multiple values from a function? [closed]
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Why is i++ not atomic?
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i++ is probably not atomic in Java because atomicity is a special requirem>me m>nt which is not pre...
How to get the last date of a particular month with JodaTim>me m>?
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edited Jun 20 at 9:12
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answered Mar 14 '12 at 22:47
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Count number of files within a directory in Linux? [closed]
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C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...率。下面以两种不同方式来实现VARIANT二维数组的操作。
1、使用SAFEARRAY实现二维数组
SAFEARRAY安全数组可以实现多维数组，SAFEARRAY实现的步骤可以大致分为三步。
（1）创建SAFEARRAY安全数组，包括设置数组元素的类型、数据的维...