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How to run a Runnable thread in Android at defined intervals?

... developed an application to display some text at defined intervals in the Android emulator screen. I am using the Handler class. Here is a snippet from my code: ...
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Greenlet Vs. Threads

I am new to gevents and greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets! ...
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What does do?

... October 2015 Update This answer was posted several years ago and now the question really should be should you even consider using the X-UA-Compatible tag on your site? with the changes Microsoft has made to its browsers (more on those below). Depending upon what Microsoft browsers you...
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Why use apparently meaningless do-while and if-else statements in macros?

... The do ... while and if ... else are there to make it so that a semicolon after your macro always means the same thing. Let's say you had something like your second macro. #define BAR(X) f(x); g(x) Now if you were to use BAR(X); in an if ...
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What does character set and collation mean exactly?

I can read the MySQL documentation and it's pretty clear. But, how does one decide which character set to use? On what data does collation have an effect? ...
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CSS3 Transparency + Gradient

RGBA is extremely fun, and so is -webkit-gradient , -moz-gradient , and uh... progid:DXImageTransform.Microsoft.gradient ... yeah. :) ...
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Regex to check whether a string contains only numbers [duplicate]

I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something? 21...
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Visual Studio displaying errors even if projects build

I have a problem with Visual Studio on a C# solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them. ...
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Regular expression to match DNS hostname or IP Address?

Does anyone have a regular expression handy that will match any legal DNS hostname or IP address? 21 Answers ...
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How can I use goto in Javascript?

...led Summer of Goto that allows you use JavaScript at its fullest potential and will revolutionize the way you can write your code. This JavaScript preprocessing tool allows you to create a label and then goto it using this syntax: [lbl] <label-name> goto <label-name> For example, the ex...