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Why does this async action hang?

...sult. This means that the runtime will schedule your "return result;" line to run back on the UI thread, rather than scheduling it back to the threadpool. So how does this deadlock? Imagine you just have this code: var task = dataSource.ExecuteAsync(_ => 42); var result = task.Result; So the ...
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Postgis installation: type “geometry” does not exist

I am trying to create table with Postgis. I do it by this page . But when I import postgis.sql file, I get a lot of errors: ...
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How to convert a string of numbers to an array of numbers?

...parenthesis (because of the nature of split function) but it is equivalent to split(','). The string is now an array, we just have to map each value with a function returning the integer of the string so x=>+x (which is even shorter than the Number function (5 chars instead of 6)) is equivalent t...
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How to avoid circular imports in Python? [duplicate]

...rcular import is a sign of a bad design and the code should be reorganised to avoid the circular import. 3 Answers ...
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”

...a. From Xcode 6 beta, Archive the project. Close Xcode 6. Open Xcode 5, go to Organizer and export as Ad Hoc build with proper provisioning profile. That's it! share | improve this answer ...
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How to add a list item to an existing unordered list?

...lt;/a></li>'); Two things: You can just append the <li> to the <ul> itself. You need to use the opposite type of quotes than what you're using in your HTML. So since you're using double quotes in your attributes, surround the code with single quotes. ...
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How do I get a UTC Timestamp in JavaScript?

While writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps. 16 Answ...
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Why does string::compare return an int?

... First, the specification is that it will return a value less than, equal to or greater than 0, not necessarily -1 or 1. Secondly, return values are rvalues, subject to integral promotion, so there's no point in returning anything smaller. In C++ (as in C), every expression is either an rvalue or...
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How to initialize log4j properly?

After adding log4j to my application I get the following output every time I execute my application: 24 Answers ...
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How to use multiple @RequestMapping annotations in spring?

Is it possible to use multiple @RequestMapping annotations over a method? 7 Answers ...