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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 ...
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
...
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...
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...
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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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...问请联系wjh_2010@163.com。
（声明：原文来自MSDN 2001 Oct版，原文内涉及的连接由于是脱机连接，所以译文内的连接是本人尽量找自MSDN online）
TN061: ON_NOTIFY and WM_NOTIFY Messages
这个技术文章介绍了关于新WM_NOTIFY消息， 还描述了建...
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' }
...
Division of integers in Java [duplicate]
.../Either of numerator or denominator must be floating point number
1/10 = 0
1.0/10 = 0.1
1/10.0 = 0.1
Just type cast either of them.
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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...