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Weighted random numbers
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1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is less than that item's weight
Ps...
How to change the default font size in ggplot2
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Use theme_set()
theme_set(theme_gray(base_size = 18))
qplot(1:10, 1:10)
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what does npm -D flag mean?
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edited Mar 25 '18 at 2:50
Pyves
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answered Apr 2...
Length of generator output [duplicate]
...f you have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know t...
What are libtool's .la file for?
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It is a textual file that includes a description of the library.
It allows libtool to create pl...
Is there a naming convention for Django apps
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answered Jun 23 '10 at 13:12
thraxilthraxil
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Configuring Vim for C++
... With either of these, you don't even need tabs (which does not scale for 10+ files) to manage your project.
Class navigation: Taglist or Tagbar
Edit: Updated as of July 2013
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
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Bhavesh Gangani
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answered Nov 18 '12 at 21:38
John WooJohn Woo
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Javadoc: package.html or package-info.java
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package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javadoc - The Java API Documentation Generator
Addendum: The big difference seems to be package annotations. There's a little more in the way of rationale in 7.4 Package Declarations...
Browser support for URLs beginning with double slash
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This behavior was part of RFC 1808 (Section 4) which is about 16 years old, so every major browser should (and does) support this.
Sadly, there's a bug with IE7 and -8 that will make them download the resources twice if a protocol-relative URL is used on a...