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How do I sort an array of hashes by a value in the hash?
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216
Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! f...
Is it possible to have multiple statements in a python lambda expression?
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17 Answers
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，利用LINGO高效的求解器可快速求解并分析结果。
§1 LINGO快速入门
当你在windows下开始运行LINGO系统时，会得到类似下面的一个窗口：
外层是主框架窗口，包含了所有菜单命令和工具条，其它所有的窗口将被包含在主窗口...
How can I output UTF-8 from Perl?
...the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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Grid of responsive squares
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417
You can make responsive grid of squares with verticaly and horizontaly centered content only wi...
When to choose mouseover() and hover() function?
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From the official jQuery documentation
.mouseover()
Bind an event handler to the "mouseover"...
remove None value from a list without removing the 0 value
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10 Answers
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Impossible to Install PG gem on my mac with Mavericks
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edited Jun 30 '16 at 19:08
Spajus
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ans...
JavaScript function similar to Python range()
... start = 0;
}
if (typeof step == 'undefined') {
step = 1;
}
if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) {
return [];
}
var result = [];
for (var i = start; step > 0 ? i < stop : i > stop; i += ...