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Rails: Check output of path helper from console
... a Rails console, you can call app.post_path. This will work in Rails ~= 2.3 and >= 3.1.0.
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Impossible to Install PG gem on my mac with Mavericks
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If you want to avoid using MacPorts, you can download the Postgres App and place it into the App...
Java lib or app to convert CSV to XML file? [closed]
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edited Feb 7 '13 at 10:36
CloudyMarble
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
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ActiveRecord, has_many :through, and Polymorphic Associations
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Split list into multiple lists with fixed number of elements
...an iterator, but you can convert the result to a list,
scala> List(1,2,3,4,5,6,"seven").grouped(4).toList
res0: List[List[Any]] = List(List(1, 2, 3, 4), List(5, 6, seven))
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Two-dimensional array in Swift
...ray of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
Change element at position
arr[0][1] = 18
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let myVar = 18
arr[0][1] = m...
Count number of records returned by group by
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Some built-in to pad a list in python
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answered Aug 9 '10 at 9:43
John La RooyJohn La Rooy
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Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...教程，分享给大家
原文地址：http://gashero.iteye.com/blog/2075324
目录
1 简介
2 Swift入门
3 简单值
4 控制流
5 函数与闭包
6 对象与类
7 枚举与结构
1 简介
今天凌晨Apple刚刚发布了Swift编程语言，本文从其发布...