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Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
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defaultdict of defaultdict?
Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work?
6 Answers
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What does the restrict keyword mean in C++?
I was always unsure, what does the restrict keyword mean in C++?
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Determine if code is running as part of a unit test
I have a unit test (nUnit). Many layers down the call stack a method will fail if it is running via a unit test.
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Useless use of cat?
This is probably in many FAQs - instead of using:
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Confused about Service vs Factory
As I understand it, when inside a factory I return an object that gets injected into a controller. When inside a service I am dealing with the object using this and not returning anything.
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When do Java generics require
Given the following example (using JUnit with Hamcrest matchers):
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Ship an application with a database
If your application requires a database and it comes with built in data, what is the best way to ship that application? Should I:
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What does Expression.Quote() do that Expression.Constant() can’t already do?
Note: I am aware of the earlier question “What is the purpose of LINQ's Expression.Quote method?” , but if you read on you will see that it doesn’t answer my question.
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How to insert a newline in front of a pattern?
How to insert a newline before a pattern within a line?
17 Answers
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