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Difference between Pragma and Cache-Control headers?

...a requests and the server receiving a request from the client. The http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.32 defines the scenario as follows: HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client had sent "Cache-Control: no-cache". No new Pragma directives wil...
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How to compare two tags with git?

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When should I use a struct instead of a class?

... Bill Wagner has a chapter about this in his book "effective c#" (http://www.amazon.com/Effective-Specific-Ways-Improve-Your/dp/0321245660). He concludes by using the following principle: Is the main responsability of the type data storage? Is its public interface defined entirely by prop...
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val() vs. text() for textarea

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Need some clarification about beta/alpha testing on the developer console

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Change date of git tag (or GitHub Release based on it)

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Read password from stdin

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Get the size of the screen, current web page and browser window

...lert(window.screen.availWidth); alert(window.screen.availHeight); http://www.quirksmode.org/dom/w3c_cssom.html#t10 : availWidth and availHeight - The available width and height on the screen (excluding OS taskbars and such). ...
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Learning Ant path style

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Understanding colors on Android (six characters)

...nter your decimal value in a decimal-to-hexadecimal converter, like http://www.binaryhexconverter.com/decimal-to-hex-converter, and convert your values. If you only get back a single value, prefix it with a zero. For example, if you're trying to get 5% opacity and you're going through this process, ...