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Running code in main thread from another thread

In an android service I have created thread(s) for doing some background task. 16 Answers ...
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What is the difference between a schema and a table and a database?

...00blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses. ...
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Array.size() vs Array.length

...id method Always use the length property There is a library or script adding the size method to the array prototype since this is not a native array method. This is commonly done to add support for a custom getter. An example of using this would be when you want to get the size in memory of an arr...
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What is middleware exactly?

I have heard a lot of people talking recently about middleware , but what is the exact definition of middleware? When I look into middleware, I find a lot of information and some definitions, but while reading these information and definitions, it seems that mostly all 'wares' are in the middle of ...
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Save image from URL by paperclip

... This is potentially insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though. – David Tuite Oct 11 '13 at 9:16 ...
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Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready

... The simplest thing to do in the absence of a framework that does all the cross-browser compatibility for you is to just put a call to your code at the end of the body. This is faster to execute than an onload handler because this waits onl...
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Evaluating string “3*(4+2)” yield int 18 [duplicate]

... a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.: 14...
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Convert normal date to unix timestamp

How can I convert normal date 2012.08.10 to unix timestamp in javascript? 11 Answers ...
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Can someone explain this 'double negative' trick? [duplicate]

I am by no means an expert at Javascript, but I have been reading Mark Pilgrim's "Dive into HTML5" webpage and he mentioned something that I would like a better understanding of. ...
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How to retry after exception?

I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ). ...