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HashSet vs. List performance
...g.
Let's say you have a List<T> that will only ever have on average 5 items in it. Over a large number of cycles, if a single item is added or removed each cycle, you may well be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small t...
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...
How can I count all the lines of code in a directory recursively?
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2715
Try:
find . -name '*.php' | xargs wc -l
The SLOCCount tool may help as well.
It will give an ac...
How to uncommit my last commit in Git [duplicate]
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1545
If you aren't totally sure what you mean by "uncommit" and don't know if you want to use git r...
Get name of current class?
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158
obj.__class__.__name__ will get you any objects name, so you can do this:
class Clazz():
d...
Remove accents/diacritics in a string in JavaScript
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With ES2015/ES6 String.prototype.normalize(),
const str = "Crème Brulée"
str.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
> "Creme Brulee"
Two things are happening here:
normalize()ing to NFD Unicode normal form decomposes c...
Is there a float input type in HTML5?
According to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number."
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
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edited Dec 22 '14 at 5:16
insomniac
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answere...
How can I get the external SD card path for Android 4.0+?
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58
I have a variation on a solution I found here
public static HashSet<String> getExternalM...