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How to detect internet speed in JavaScript?

...e.end - measure.start; return measure; } /** * Requires that we pass a base url to the worker * The worker will measure the download time needed to get * a ~0KB and a 100KB. * It will return a string that serializes this informations as * pipe separated values */ onmessage = function(e) { ...
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How to decide font color in white or black depending on background color?

...e intensities. Each 2 digits of the code represent a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up. Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the co...
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How can I have lowercase routes in ASP.NET MVC?

....Add(v.Key.ToLowerInvariant(), v.Value); break; } } return base.GetVirtualPath(requestContext, lowerCaseValues); } share | improve this answer | follow ...
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What is the difference between Factory and Strategy patterns?

...ctory that creates your business objects. It may use different strategies based on the persistence medium. If your data is stored locally in XML it would use one strategy. If the data were remote in a different database, it would use another. ...
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Order of serialized fields using JSON.NET

...m.Type type, MemberSerialization memberSerialization) { return base.CreateProperties(type, memberSerialization).OrderBy(p => p.PropertyName).ToList(); } } And then set the settings and serialize the object, and the JSON fields will be in alphabetical order: var settings = new ...
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder

...s("ADMIN","USER"); } configure(HttpSecurity) allows configuration of web based security at a resource level, based on a selection match - e.g. The example below restricts the URLs that start with /admin/ to users that have ADMIN role, and declares that any other URLs need to be successfully authen...
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Should I inherit from std::exception?

...elevant information, and let the catch site format a user-friendly message based on the exception type and the data it carries. – Emil Jan 4 '11 at 1:26 ...
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Difference between classification and clustering in data mining? [closed]

...ve examples but have not classes where to group examples. So in clustering based on examples I need to find clases? Am I right or is there anything important to take in mind? And pleas can You give example? Best regards, Kristaps – Kristaps Feb 21 '11 at 11:13...
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How do I select the parent form based on which submit button is clicked?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Are negative array indexes allowed in C?

...rr[-2] could potentially be well-defined, and you could determine if it is based on offsetof, etc. – R.. GitHub STOP HELPING ICE Aug 13 '10 at 6:35 4 ...