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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
I have this exception and I don't understand why it would be thrown or, how I should handle it.
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What is PEP8's E128: continuation line under-indented for visual indent?
Just opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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A semantics for Bash scripts?
...know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What i...
Which concurrent Queue implementation should I use in Java?
From the JavaDocs:
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
I have been unable to overcome this error in Application Loader. I've quit, restarted, tried different computers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it?
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Can't escape the backslash with regex?
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What is jQuery Unobtrusive Validation?
...plugin is. I know the jQuery Unobtrusive Validation library was made by Microsoft and is included in the ASP.NET MVC framework. But I cannot find a single online source that explains what it is. What is the difference between the standard jQuery Validation library and the "unobtrusive" version?
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Difference between static STATIC_URL and STATIC_ROOT on Django
I am confused by static root and want to clarify things.
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How to define two fields “unique” as couple
Is there a way to define a couple of fields as unique in Django?
2 Answers
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How to rollback just one step using rake db:migrate
...les in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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