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What's the difference between dynamic (C# 4) and var?
... to explain difference between dynamic and var.
dynamic d1;
d1 = 1;
d1 = "http://mycodelogic.com";
This will work. compiler can re-create the type of dynamic variable.
first it create type as integer and after that compiler will recreate type as string but in case of var
var v1; // Compiler wi...
Is there a difference between foreach and map?
...Array.protototype.forEach are both quite similar.
Run the following code: http://labs.codecademy.com/bw1/6#:workspace
var arr = [1, 2, 3, 4, 5];
arr.map(function(val, ind, arr){
console.log("arr[" + ind + "]: " + Math.pow(val,2));
});
console.log();
arr.forEach(function(val, ind, arr){
...
In JavaScript, does it make a difference if I call a function with parentheses?
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...手机“扫一扫” var qrcode = new QRCode("qrcode", { text: 'https://m.tsingfun.com/it/opensource/0MQ-The-Theoretical-Foundation.html', //URL地址 width: 180, height: 180, colorDark: '#088CEF', //二维码颜色 colorLight: "#ffffff" //背景颜色 }); $(functio...
How does LMAX's disruptor pattern work?
... and Trisha's blog has done the best attempt in my opinion with this post: http://mechanitis.blogspot.com/2011/08/dissecting-disruptor-why-its-so-fast.html
But if you don't want to dive into the low-level details you can just know that memory-barriers in Java are implemented through the volatile ke...
Can I start the iPhone simulator without “Build and Run”?
...rom there you can open it in Finder or drag it to the launch bar.
Source: http://www.bram.us/2010/05/05/xcode-iphone-simulator-location/
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SQL update trigger only when column is modified
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How can I provide multiple conditions for data trigger in WPF?
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BCL (Base Class Library) vs FCL (Framework Class Library)
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