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What is “entropy and information gain”?
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1051
I assume entropy was mentioned in the context of building decision trees.
To illustrate, ima...
Best way of returning a random boolean value
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edited Aug 23 '15 at 7:45
answered Nov 4 '11 at 16:43
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What is the difference between BIT and TINYINT in MySQL?
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A TINYINT is an 8-bit integer value, a BIT field can store between 1 bit, BIT(1), and 64 bits,...
What are Vertex Array Objects?
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102
"Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names.
Think...
Why use strong named assemblies?
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edited Jun 10 at 14:18
Jan Nils Ferner
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Does Python support short-circuiting?
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318
Yep, both and and or operators short-circuit -- see the docs.
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How do I get SUM function in MySQL to return '0' if no values are found?
...ee it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY...
ValueError: math domain error
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134
Your code is doing a log of a number that is less than or equal to zero. That's mathematically...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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Okay, I finally have a real answer. I sort of worked it out on my own, but only after Lucian Wis...