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Foreign keys in mongo?
...like Mongoid or MongoMapper.
http://mongoid.org/docs/relations/referenced/1-n.html
In a NoSQL database like MongoDB there are not 'tables' but collections. Documents are grouped inside Collections. You can have any kind of document – with any kind of data – in a single collection. Basically, i...
Is the != check thread safe?
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124
In the absence of synchronization this code
Object a;
public boolean test() {
return a !...
Is there a method to generate a UUID with go language
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12 Answers
12
Active
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Resize image to full width and fixed height with Picasso
...th, and to display the center part of the image cropped by a fixed height (150dp). I currently have the following code:
2 A...
Why the switch statement cannot be applied on strings?
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199
The reason why has to do with the type system. C/C++ doesn't really support strings as a type...
Mock HttpContext.Current in Test Init Method
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edited Apr 23 '12 at 10:14
answered Dec 7 '10 at 17:18
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How do lexical closures work?
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151
Python is actually behaving as defined. Three separate functions are created, but they each h...
Can I make fast forwarding be off by default in git?
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edited Jun 8 at 14:16
answered Mar 23 '10 at 13:58
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What is a None value?
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101
Martijn's answer explains what None is in Python, and correctly states that the book is mislea...