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How to implement has_many :through relationships with Mongoid and mongodb?
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edited Aug 13 '11 at 20:31
answered Aug 13 '11 at 20:06
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What is the best way to convert an array to a hash in Ruby
...y keys or values!
Building on @John Topley's popular answer, let's try:
a3 = [ ['apple', 1], ['banana', 2], [['orange','seedless'], 3] ]
h3 = Hash[*a3.flatten]
This throws an error:
ArgumentError: odd number of arguments for Hash
from (irb):10:in `[]'
from (irb):10
The constru...
RabbitMQ and relationship between channel and connection
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Lovisa Johansson
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answered Aug 24 '13 at 14:07
BengtBengt
3,...
Entity Framework vs LINQ to SQL
Now that .NET v3.5 SP1 has been released (along with VS2008 SP1), we now have access to the .NET entity framework.
17 Answe...
Gradle store on local file system
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230
Gradle caches artifacts in USER_HOME/.gradle folder. The compiled scripts are usually in the .g...
How to deal with IntelliJ IDEA project files under Git source control constantly changing?
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edited May 11 '17 at 9:03
answered Aug 15 '11 at 6:39
Esk...
How do I get class name in PHP?
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edited May 16 '16 at 20:37
Tom
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answered Sep 24 '14 at 13:06
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How to add multiple files to Git at the same time
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answered Oct 24 '13 at 20:39
daxdax
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How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?
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613
This issue has been fixed in m2e 1.5.0 which is available for Eclipse Kepler (4.3) and Luna (4.4...
What would cause an algorithm to have O(log log n) complexity?
...are root of the size at each layer?
For example, let's take the number 65,536. How many times do we have to divide this by 2 until we get down to 1? If we do this, we get
65,536 / 2 = 32,768
32,768 / 2 = 16,384
16,384 / 2 = 8,192
8,192 / 2 = 4,096
4,096 / 2 = 2,048
2,048 / 2 = 1,024
1,024 / 2 = 5...