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How do I clear stuck/stale Resque workers?
...s which was a bit annoying. But this followed by heroku restart seemed to do the trick. It now shows the correct number of workers.
– Brian Armstrong
Aug 14 '12 at 5:27
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
How do you convert a numerical number to an Excel column name in C# without using automation getting the value directly from Excel.
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Listing only directories in UNIX
I want to list only the directories in specified path ( ls doesn't have such option).
Also, can this be done with a single line command?
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How do you return a JSON object from a Java Servlet
How do you return a JSON object form a Java servlet.
13 Answers
13
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How do I cast a JSON object to a typescript class
... JSON object has all the properties of a typescript class (by design). How do I cast that received JSON object to a type var?
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How to swap the buffers in 2 windows emacs
I am using emacs I find that sometimes I have 2 files separated into 2 windows.
8 Answers
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What is a NullPointerException, and how do I fix it?
...m = new Integer(10);
The first line declares a variable named num, but it does not actually contain a primitive value yet. Instead, it contains a pointer (because the type is Integer which is a reference type). Since you have not yet said what to point to, Java sets it to null, which means "I am po...
How do you test that a Python function throws an exception?
How does one write a unittest that fails only if a function doesn't throw an expected exception?
13 Answers
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How to get response status code from jQuery.ajax?
In the following code, all I am trying to do is to get the HTTP response code from a jQuery.ajax call. Then, if the code is 301 (Moved Permanently), display the 'Location' response header:
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Detecting when the 'back' button is pressed on a navbar
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UPDATE: According to some comments, the solution in the original answer does not seem to work under certain scenarios in iOS 8+. I can't verify that that is actually the case without further details.
For those of you however in that situation there's an alternative. Detecting when a view control...