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What's the difference between a proc and a lambda in Ruby?
... the method. If, however, we convert our proc to a lambda, we get the following:
def my_method
puts "before proc"
my_proc = lambda do
puts "inside proc"
return
end
my_proc.call
puts "after proc"
end
my_method
shoaib@shoaib-ubuntu-vm:~/tmp$ ruby a.rb
before proc
inside proc
after ...
Check if user is using IE
...
Use below JavaScript method :
function msieversion()
{
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0) // If Internet Explorer, return version number
{
alert(parseInt(ua.substring(msie + 5, ua.indexOf(".", msie))));
}
else...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...径上看，互联网公司的汽车智能化选择更加直接，希望一开始就做到机器对方向盘的“接管”，完全无需人工介入。但要想实现，仍然需要循序渐进。
从去年夏天开始，谷歌的无人驾驶车才正式从园区走出，在谷歌总部所在的...
How to detect Windows 64-bit platform with .NET?
In a .NET 2.0 C# application I use the following code to detect the operating system platform:
29 Answers
...
How can I determine the direction of a jQuery scroll event?
...
Check current scrollTop vs previous scrollTop
var lastScrollTop = 0;
$(window).scroll(function(event){
var st = $(this).scrollTop();
if (st > lastScrollTop){
// downscroll code
} else {
// upscroll code
}
lastScrollTop = st;
});
...
How to provide user name and password when connecting to a network share
...
0);
if (result != 0)
{
throw new Win32Exception(result);
}
}
~NetworkConnection()
{
Dispose(false);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual ...
Soft hyphen in HTML ( vs. ­)
...as expected for ­ and ­ for Chrome and Firefox on Mac, on Windows (10), it keeps the characters and pastes hard hyphens into Notepad and invisible soft hyphens into applications that support them. IE (win7) always pastes with hyphens, even in IE10, and Safari (Mac) copies in a way w...
How to disable CSS in Browser for testing purposes
...
Firefox (Win and Mac)
Via the menu toolbar, choose: "View" > "Page Style" > "No Style"
Via the Web Developer Toolbar, choose: "CSS" > "Disable Styles" > "All Styles"
If the Web Dev Toolbar is installed, people can use ...
那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...我叫去说：给你们讲讲JUnit, SVN，Ant, JBuilder的用法，明天开始用。这四样东西我以前都没有接触过，第一反应就是在QQ上跟同学抱怨这家公司不人性，得到的答复却是“赶紧学，赚到了，我们这还不让用呢”，于是我硬着头皮全...
How do I show the value of a #define at compile-time?
...gma message("_ATL_VER is " _CRT_STRINGIZE(_ATL_VER))
#pragma message("WINVER is " _CRT_STRINGIZE(WINVER))
#pragma message("_WIN32_WINNT is " _CRT_STRINGIZE(_WIN32_WINNT))
#pragma message("_WIN32_IE is " _CRT_STRINGIZE(_WIN32_IE))
#pragma message("NTDDI_VERSION is " _CRT_STRINGIZE(NT...