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How to define static property in TypeScript interface

...() {} } Refer to my comment at github issue 13462. visual result: Compile error with a hint of static method missing. After static method implemented, hint for method missing. Compilation passed after both static interface and normal interface fulfilled. ...
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor

... Why the error is raised: JavaScript code is limited by the same-origin policy, meaning, from a page at www.example.com, you can only make (AJAX) requests to services located at exactly the same domain, in that case, exactly www.examp...
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Multiple left-hand assignment with JavaScript

... Thanks, this definitely helps. It helps to think in terms of what errors would be thrown if it were evaluated other than right-to-left (in this case, the error would be that var1/var2 are undefined). – David Calhoun Nov 19 '09 at 3:48 ...
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Compile (but do not run) a Python script [duplicate]

...hon script without running it? I just want to check the script for syntax errors. I was hoping for a simple command line switch, but I didn't see anything in python --help . I'd like an answer for both Python 2 and Python 3. ...
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node.js equivalent of python's if __name__ == '__main__' [duplicate]

...(); } EDIT: If you use this code in a browser, you will get a "Reference error" since "require" is not defined. To prevent this, use: if (typeof require !== 'undefined' && require.main === module) { fnName(); } ...
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No suitable application records were found

I created an App Store archive file. During validation it raises an error with the following message 4 Answers ...
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Correct use of transactions in SQL Server

...ON to instruct Sql Server to automatically rollback transaction in case of error. If ommited or set to OFF one needs to test @@ERROR after each statement or use TRY ... CATCH rollback block. share | ...
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Why are my balls disappearing? [closed]

... Your error comes from this line initially: var direction1 = Math.atan2(ball1.velocitY, ball1.velocityX); You have ball1.velocitY (which is undefined) instead of ball1.velocityY. So Math.atan2 is giving you NaN, and that NaN val...
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Rename a table in MySQL

...and not the single quote ' I did the single quote from habit, and got the error, but maybe this will save someone else 10 seconds – Paul Feb 3 '14 at 18:05 ...
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How do I turn off the output from tar commands on Unix? [closed]

... And will it show errors even in non-verbose mode? – Phil Filippak Feb 13 '16 at 6:47 9 ...