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ruby inheritance vs mixins
...ince you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance.
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Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
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When you decide between fixed width and fluid width you need to think in terms of your ENTIRE page. Generally, you want to pick one or the other, but not both. The examples you listed in your question are, in-fact, in the same fixed-width page. In other words, the Scaffolding page is using...
Sync data between Android App and webserver [closed]
...ethod for accomplishing this is writing your own custom ContentProvider backed by a Sqlite database. A decent tutorial for a content provider can be found here: http://thinkandroid.wordpress.com/2010/01/13/writing-your-own-contentprovider/
A ContentProvider defines a consistent interface to intera...
Best implementation for hashCode method for a collection
...loch's Effective Java in Item 8 (second edition). The best thing is to look it up there because the author explains there why the approach is good.
A short version
Create a int result and assign a non-zero value.
For every field f tested in the equals() method, calculate a hash code c by:
If t...
Traits vs. interfaces
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Alec GorgeAlec Gorge
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ViewModel Best Practices
From this question , it looks like it makes sense to have a controller create a ViewModel that more accurately reflects the model that the view is trying to display, but I'm curious about some of the conventions (I'm new to the MVC pattern, if it wasn't already obvious).
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Is returning null bad design? [closed]
I've heard some voices saying that checking for a returned null value from methods is bad design. I would like to hear some reasons for this.
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How does a PreparedStatement avoid or prevent SQL injection?
I know that PreparedStatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise?
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How does one escape backslashes and forward slashes in VIM find/search?
For instance, if I wanted to a find and replace with strings containing backward or forward slashes, how would this be accomplished in vim? Thank you!
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What is the difference between a directory and a folder?
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Check "The folder metaphor" section at Wikipedia. It states:
There is a difference between a directory, which is a file system concept, and the graphical user interface metaphor that is used to represent it (a folder). For examp...