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Build vs new in Rails 3
In the Rails 3 docs , the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
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What are the most widely used C++ vector/matrim>x m> math/linear algebra libraries, and their cost and be
It seems that many projects slowly come upon a need to do matrim>x m> math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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Rails has_and_belongs_to_many migration
I have two models restaurant and user that I want to perform a has_and_belongs_to_many relationship.
4 Answers
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
I'm working on building a RESTful API for one of the applications I maintain. We're currently looking to build various things into it that require more controlled access and security. While researching how to go about securing the API, I found a few different opinions on what form to use. I've seen ...
JavaScript function order: why does it matter?
JSHint complains when my JavaScript calls a function that is defined further down the page than the call to it. However, my page is for a game, and no functions are called until the whole thing has downloaded. So why does the order functions appear in my code matter?
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Get string character by indem>x m> - Java
I know how to work out the indem>x m> of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with indem>x m> 0 it would return "f".
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git --git-dir not working as em>x m>pected
I am trying to run git from a different directory than I am in. So for em>x m>ample if I am in:
4 Answers
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How to deal with IntelliJ IDEA project files under Git source control constantly changing?
Everyone on our team uses IntelliJ IDEA, and we find it useful to put its project files (.ipr and .iml) into source control so that we can share build configurations, settings, and inspections. Plus, we can then use those inspection settings on our continuous integration server with TeamCity. (We ha...
conditional unique constraint
...ve a situation where i need to enforce a unique constraint on a set of columns, but only for one value of a column.
6 Answe...
How can I style an Android Switch?
The switch widget introduced in API 14 is styled by default with holo theme.
I want to style it slightly different, changing its colors and shape a bit for branding reasons. How does one go about this? I know it must be possible, as ive seen the difference between default ICS and Samsung's touchwiz ...