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django syncdb and an updated model
I have recently updated my model, added a BooleanField to it however when I do python manage.py syncdb , it doesn't add the new field to the database for the model. How can I fix this ?
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When to use a key/value store such as Redis instead/along side of a SQL database?
...s about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
4 Answers...
Why is creating a new process more expensive on Windows than Linux?
... Linux. Is this true? Can somebody explain the technical reasons for why it's more expensive and provide any historical reasons for the design decisions behind those reasons?
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How to use single storyboard uiviewcontroller for multiple subclass
Let say I have a storyboard that contains UINavigationController as initial view controller. Its root view controller is subclass of UITableViewController , which is BasicViewController . It has IBAction which is connected to right navigation button of the navigation bar
From there I woul...
Does ruby have real multithreading?
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Updated with Jörg's Sept 2011 comment
You seem to be confusing two very different things here: the
Ruby Programming Language and the specific threading model of one
specific implementation of the Ruby Programming Language. There
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Is it better to return null or empty collection?
...s.
This sucks:
if(myInstance.CollectionProperty != null)
{
foreach(var item in myInstance.CollectionProperty)
/* arrgh */
}
It is considered a best practice to NEVER return null when returning a collection or enumerable. ALWAYS return an empty enumerable/collection. It prevents the afore...
Dependency injection through constructors or property setters?
I'm refactoring a class and adding a new dependency to it. The class is currently taking its existing dependencies in the constructor. So for consistency, I add the parameter to the constructor.
Of course, there are a few subclasses plus even more for unit tests, so now I am playing the game of go...
Algorithm for Determining Tic Tac Toe Game Over
I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over:
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How do you parse and process HTML/XML in PHP?
How can one parse HTML/XML and extract information from it?
30 Answers
30
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How to decide when to use Node.js?
...ng a lot about how good Node.js is. Considering how much I love working with jQuery and JavaScript in general, I can't help but wonder how to decide when to use Node.js. The web application I have in mind is something like Bitly - takes some content, archives it.
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