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比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...、中东石油大王，俄罗斯能源寡头……只要是钱能解决的问题，以上这些人都能解决。但世界上总也一些事是无法用钱来解决的，比如说知识，比如说艺术。
比尔·盖茨最自豪的还是他的私人图书馆，这是一座圆顶建筑，...
How to check whether an object is a date?
...hecks whether the parameter was not a falsy value (undefined, null, 0, "", etc..)
Object.prototype.toString.call(date) returns a native string representation of the given object type - In our case "[object Date]". Because date.toString() overrides its parent method, we need to .call or .apply the me...
Using Default Arguments in a Function
I am confused about default values for PHP functions. Say I have a function like this:
12 Answers
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How to design a multi-user ajax web application to be concurrently safe
...your webservers, database & caching hardware, # of user, # of objects, etc. Not an easy decision to make.
For each atomic artifact have:
an application-wide unique-id
an incrementing version-id
a locking mechanism for write-access (mutex maybe)
a small history or "changelog" inside a ringbuffe...
Meaning of $? (dollar question mark) in shell scripts
... in BASH are 1,2,*,# ( Normally seen in echo command as $1 ,$2 , $* , $# , etc., ) .
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What are fixtures in programming?
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I think PHP-unit tests have very good explaining of this:
One of the most time-consuming parts of writing tests is writing the
code to set the world up in a known state and then return it to its
original state when the test i...
Stretch and scale a CSS image in the background - with CSS only
I want that my background image stretch and scale depending on the browser viewport size.
22 Answers
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控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
...时对控件的绘制，上面介绍的差不多了，还有一个CView的问题，也就是OnPaint和Ondraw的关系，其实这个很简单，CView::OnPaint()的源码如下：
void CView::OnPaint()
{
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc)
}
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Why am I getting an OPTIONS request instead of a GET request?
...y could manipulate data on your server through requests (POST, PUT, DELETE etc). In these situations, like when using custom headers, the browser is just checking with the server first that the server is willing to accept the request before sending it as sending unsolicited requests to the server co...
PDB文件：每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...较简单，因为PDB和binay在相同的地方，通常地我们遇到的问题都是关于public build。
所有的的开发人员需要知道的最重要的事情是”PDB文件跟源代码同样的重要“， 没有PDB文件，你甚至不能debugging。对于public build，需要symbol serv...