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Set selected radio from radio group with a value
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Accepted answer (well, should be). As of jQuery 1.0, see last example from docs (scroll to bottom): api.jquery.com/val Copied here: jsfiddle.net/JoePC/w1f9ykso
– JoePC
Jul 24 '18 at 18:30
...
How to randomly pick an element from an array
...array[rnd];
}
Math.random() returns an double between 0.0 (inclusive) to 1.0 (exclusive)
Multiplying this with array.length gives you a double between 0.0 (inclusive) and array.length (exclusive)
Casting to int will round down giving you and integer between 0 (inclusive) and array.length-1 (inc...
What is the best way to compute trending topics or tags?
...;> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
1.00303599234
>>> zscore(2, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
-0.922793112954
>>> zscore(9, [1, 2, 0, 3, 1, 3, 1, 2, 9, 8, 7, 10, 9, 5, 2, 4, 1, 1, 0])
1.65291949506
Notes
You can...
Change drawable color programmatically
...d 5.+ is setting a tint on a bitmap drawable like such:
<?xml version="1.0" encoding="utf-8"?>
<bitmap
xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/ic_back"
android:tint="@color/red_tint"/>
This will work for you if you have a limited n...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Description: 简单C++，boost filesystem 指南
*
* Version: 1.0
* Created: 2009年08月17日 17时16分32秒
* Revision: none
* Compiler: gcc -Wall -Wextra filesystem.cpp -lboost_filesystem-mt
*
* Author: lgb (LiuGuangBao), easyeagel@gmx.com
...
serve current directory from command line
...g.
ruby -rsocket -e 's=TCPServer.new(5**5);loop{_=s.accept;_<<"HTTP/1.0 200 OK\r\n\r\n#{File.read(_.gets.split[1])rescue nil}";_.close}'
I found it here
Chris
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How to write iOS app purely in C
... UIGraphicsGetCurrentContext(); //C
CGContextSetRGBFillColor(context, 1.0, 0.0, 0.0, 1.0); //C
CGContextFillRect(context, dirtyRect); //C
} //Objective-C (balances above “- (void) drawRect:…” line)
There is nothing but pure C code within this method, but the method ...
柳青：滴滴每天面临向死而生的挑战 永远热泪盈眶 - 资讯 - 清泛网 - 专注C/...
...渗透，震人发聩：
柳青2016年滴滴年会演讲全文，无删节版(创业者共勉！)：
昨天还在跟Will聊说我今天讲什么，他说不用有压力，因为我今天会宣布年终奖和今天的抽奖，我说完了也没人在意你讲什么，讲什么都行。所以我现...
How to check which version of v8 is installed with my NodeJS?
...don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
...
How to flip UIImage horizontally?
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There are two problems with this answer - scale isn't 1.0 at retina competible images and for some reason UIImageOrientationUp worked while UIImageOrientationUpMirrored didn't flip it. This worked - image = [UIImage imageWithCGImage:image.CGImage scale:image.scale orientation:UI...