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Django migration strategy for renaming a model and relationship fields
I'm planning to rename several models in an existing Django project where there are many other models that have foreign key relationships to the models I would like to rename. I'm fairly certain this will require multiple migrations, but I'm not sure of the exact procedure.
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How to compare arrays in JavaScript?
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Code Golf: Collatz Conjecture
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Extract part of a regex match
I want a regular expression to extract the title from a HTML page. Currently I have this:
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What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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AsyncTask threads never die
I'm using AsyncTask s to fetch data in response to the user pressing a button. This works well and keeps the interface responsive while fetching the data, but when I checked out what was going on in the Eclipse debugger, I found out that every time a new AsyncTask was created (which is quite ofte...
How do you close/hide the Android soft keyboard using Java?
I have an EditText and a Button in my layout.
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Media Queries: How to target desktop, tablet, and mobile?
I have been doing some research on media queries and I still don't quite understand how to target devices of certain sizes.
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Accept server's self-signed ssl certificate in Java client
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Add new attribute (element) to JSON object using JavaScript
How do I add new attribute (element) to JSON object using JavaScript?
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