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How to check task status in Celery?

... Return the task_id (which is given from .delay()) and ask the celery instance afterwards about the state: x = method.delay(1,2) print x.task_id When asking, get a new AsyncResult using this task_id: from celery.result import AsyncResult res = AsyncResult("your-task-id") ...
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How to make custom error pages work in ASP.NET MVC 4

I want a custom error page shown for 500, 404 and 403. Here's what I have done: 11 Answers ...
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Parse v. TryParse

What is the difference between Parse() and TryParse()? 8 Answers 8 ...
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How do I make my string comparison case insensitive?

...ase(s2): (see javadoc) You can also convert them both to upper/lower case and use s1.equals(s2) share | improve this answer | follow | ...
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Java associative-array

How can I create and fetch associative arrays in Java like I can in PHP? 15 Answers 15...
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Android OpenGL ES and 2D

Well, here's my request. I don't know OpenGL already, and I'm not willing to learn it, I want to learn OpenGL ES directly since I'm targeting my development to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView ...
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SQL Server CTE and recursion example

...le on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query: ...
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“The run destination iOS Device is not valid for running the scheme”

... It was a bug in XCode, I closed and reopened Xcode and it started working. I've noticed this sort of thing many many times now with Xcode with other problems, its very frustrating that the tool is so dodgy. ...
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Pandas DataFrame Groupby two columns and get counts

I have a pandas dataframe in the following format: 6 Answers 6 ...
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In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?

Both Session.Clear() and Session.Abandon() get rid of session variables. As I understand it, Abandon() ends the current session, and causes a new session to be created thus causing the End and Start events to fire. ...