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Is there documentation for the Rails column types?
...IMESTAMP datatype is stored as a unix timestamp. Its valid range goes from 1970 to 2038, and the time is stored as the number of seconds that have elapsed since the last epoch, which is supposedly standard, but in practice can differ from system to system. Recognizing that relative time was not a go...
Use of the MANIFEST.MF file in Java
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The content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to v...
How do RVM and rbenv actually work?
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241
Short explanation: rbenv works by hooking into your environment's PATH. The concept is simple, b...
Collections.emptyList() returns a List?
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InverseFalconInverseFalcon
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Parallel foreach with asynchronous lambda
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198
If you just want simple parallelism, you can do this:
var bag = new ConcurrentBag<object&g...
A migration to add unique constraint to a combination of columns
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251
add_index :people, [:firstname, :lastname, :dob], :unique => true
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What is AF_INET, and why do I need it?
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edited Sep 15 '15 at 8:08
Remy Lebeau
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Android Quick Actions UI Pattern
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answered Sep 1 '10 at 15:00
JuriJuri
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Why is 'false' used after this simple addEventListener function?
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According to MDN Web Docs, the third parameter is:
useCapture
If true, useCapture indicat...
Difference between Iterator and Listiterator?
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The differences are listed in the Javadoc for ListIterator
You can
iterate backwards
obtain...