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Ball to Ball Collision - Detection and Handling
....position();
double distance = collision.length();
if (distance == 0.0) { // hack to avoid div by zero
collision = Vector(1.0, 0.0);
distance = 1.0;
}
if (distance > 1.0)
return;
// Get the components of the velocity vectors which are para...
Indentation shortcuts in Visual Studio
I'm new to Visual Studio 2010 and C#. How can I indent the selected text to left/right by using shortcuts?
8 Answers
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Using Python's os.path, how do I go up one directory?
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forivallforivall
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Finding element's position relative to the document
...p level of the DOM.
function getOffsetLeft( elem )
{
var offsetLeft = 0;
do {
if ( !isNaN( elem.offsetLeft ) )
{
offsetLeft += elem.offsetLeft;
}
} while( elem = elem.offsetParent );
return offsetLeft;
}
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Get name of caller function in PHP?
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answered Oct 10 '08 at 7:37
Paul DixonPaul Dixon
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Why would a JavaScript variable start with a dollar sign? [duplicate]
... object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom object itself
I find this to be very helpful in writing jQuery code and makes it easy to see jQuery objects which have a different set of properties.
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Getting a list of all subdirectories in the current directory
...h subdirectory. Ths first entry in the 3-tuple is a directory name, so
[x[0] for x in os.walk(directory)]
should give you all of the subdirectories, recursively.
Note that the second entry in the tuple is the list of child directories of the entry in the first position, so you could use this ins...
android.view.InflateException: Binary XML file line #12: Error inflating class
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vnportnoyvnportnoy
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
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edited Jan 22 '17 at 17:30
Peter Mortensen
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Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...lytics.com/ga.js”;
var s = document.getElementsByTagName(“script”)[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
这样全站的访问数据就会提交到Google Analytics的服务器。
一个星期后，我们发现Google Analytics对国内的搜索引擎识别不好，于是...