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Django self-referential foreign key
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Difference between Dictionary and Hashtable [duplicate]
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There is one more important difference between a HashTable and Dictionary. If you use indexers to get a value out of a HashTable, the HashTable will successfully return null for a non-existent item, whereas the Dictionary will throw an er...
How to create abstract properties in python abstract classes
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Clearing purchases from iOS in-app purchase sandbox for a test user
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iPhone app in landscape mode, 2008 systems
...ITIONAL well-known problem at hand here: if you are trying to swap between MORE THAN ONE view (all landscape), IT SIMPLY DOES NOT WORK. It is essential to remember this or you will waste days on the problem. It is literally NOT POSSIBLE. It is the biggest open, known, bug on the iOS platform. There...
Generate colors between red and green for a power meter?
... (green) with whatever saturation and value suited you. This should give a more pleasing gradient.
Here's a demonstration of each technique - top gradient uses RGB, bottom uses HSV:
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Create a GUID in Java
...... though the RFC actually defines 4 types and mentions a 5th type.
For more information on UUID types and variants, there is a good summary in Wikipedia, and the gory details are in RFC 4122 and the other specifications.
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Mocking objects with Moq when constructor has parameters
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Java “user.dir” property - what exactly does it mean?
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