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When to use IList and when to use List
I know that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM
...cator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting down, but the screen hasn't faded to grey).
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Is there a version control system for database structure changes?
...rules to downgrade the version (such as removing a column). Each migration is numbered, and a table keeps track of your current db version.
To migrate up, you run a command called "db:migrate" which looks at your version and applies the needed scripts. You can migrate down in a similar way.
The mi...
Django. Override save for model
... or just description updated, so I can skip rescaling every time the model is saved?
7 Answers
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Start thread with member function
...re out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ?
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find vs find_by vs where
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Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a row by ID:
Model.find(1)
It's worth noting that find will throw an exception if the item is not found by the attribute that you supply. Use where (as described below, which will return an emp...
How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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Is there a naming convention for MySQL?
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I would say that first and foremost: be consistent.
I reckon you are almost there with the conventions that you have outlined in your question. A couple of comments though:
Points 1 and 2 are good I reckon.
Point 3 - sadly this is not always possible. Think about ho...
Django queries - id vs pk
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It doesn't matter. pk is more independent from the actual primary key field i.e. you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different prima...
Why is rbindlist “better” than rbind?
...nd also noticed from some of the conversations over here on SO that rbindlist is supposed to be better than rbind .
2 An...