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Facebook database design?
... FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Gender
DOB
Location
TableName: Friends
Columns:
UserID PK FK
FriendID PK FK
(This table features a composi...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
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How to make inline functions in C#
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Yes, C# supports that. There are several syntaxes available.
Anonymous methods were added in C# 2.0:
Func<int, int, int> add = delegate(int x, int y)
{
return x + y;
};
Action<int> print = delegate(int x)
{
Console.WriteLine(x);
}
Action<int> helloWorld = delegate // p...
What do the return values of node.js process.memoryUsage() stand for?
From the official documentation ( source ):
4 Answers
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What is the difference between pip and conda?
...re all aware of pip, easy_install, and virtualenv, but these tools did not meet all of our specific requirements. The main problem is that they are focused around Python, neglecting non-Python library dependencies, such as HDF5, MKL, LLVM, etc., which do not have a setup.py in their source code and ...
How to convert a data frame column to numeric type?
How do you convert a data frame column to a numeric type?
18 Answers
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
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JUnit confusion: use 'extends TestCase' or '@Test'?
I've found the proper use (or at least the documentation) of JUnit very confusing.
This question serves both as a future reference and as a real question.
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Set active tab style with AngularJS
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Static variables in JavaScript
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If you come from a class-based, statically typed object-oriented language (like Java, C++ or C#) I assume that you are trying to create a variable or method associated to a "type" but not to an instance.
An example using a "classical...