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Why do x86-64 systems have only a 48 bit virtual address space?
...
Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set which allows a ful...
String concatenation: concat() vs “+” operator
... Code:
0: new #2; //class java/lang/StringBuilder
3: dup
4: invokespecial #3; //Method java/lang/StringBuilder."<init>":()V
7: aload_1
8: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
11: aload_2
...
How to add Web API to an existing ASP.NET MVC 4 Web Application project?
I wish to add an ASP.NET Web API to an ASP.NET MVC 4 Web Application project, developed in Visual Studio 2012. Which steps must I perform to add a functioning Web API to the project? I'm aware that I need a controller deriving from ApiController, but that's about all I know.
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“inconsistent use of tabs and spaces in indentation”
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Don't use tabs.
Set your editor to use 4 spaces for indentation.
Make a search and replace to replace all tabs with 4 spaces.
Make sure your editor is set to display tabs as 8 spaces.
Note: The reason for 8 spaces for tabs is so that you immediately notice when ...
Jenkins Host key verification failed
... to a new host via SSH:
The authenticity of host 'bitbucket.org (207.223.240.181)' can't be established.
RSA key fingerprint is 97:8c:1b:f2:6f:14:6b:5c:3b:ec:aa:46:46:74:7c:40.
Are you sure you want to continue connecting (yes/no)?
Type yes and press Enter. The host key for bitbucket.org will no...
SQL order string as number
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answered Aug 4 '12 at 12:15
juergen djuergen d
180k2929 gold badges245245 silver badges311311 bronze badges
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What is 'Currying'?
... example in JavaScript:
function add (a, b) {
return a + b;
}
add(3, 4); // returns 7
This is a function that takes two arguments, a and b, and returns their sum. We will now curry this function:
function add (a) {
return function (b) {
return a + b;
}
}
This is a function that ta...
Xcode “The private key for is not installed on this mac - distributing”
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answered Jan 2 '14 at 23:19
Ben VisnessBen Visness
5,62211 gold badge1717 silver badges2828 bronze badges
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App Inventor 2 与 Mixly（米思齐）MixIO 平台数据通信方案完整调研 - 创客...
...r) -> 订阅者(Subscribe)- 官方主站：mixio.mixly.cn（Web 端口 8443/9090）- 支持私有部署：Windows / Linux / macOS，默认端口 8080- 数据频率限制：最大 5 次/500ms，建议间隔 >=2 秒/次- 开源许可证：MPL-2.0MixIO 平台内置了大量可视化组件：文...