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How to plot multiple functions on the same figure, in Matplotlib?
...m numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0, 2*math.pi, 400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, 'r') # plotting t, a separately
plt.plot(t, b, 'b') # plotting t, b separately
plt.plot(t, c, 'g') # plotting t, c separately
plt.show()
...
initializing a boolean array in java
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answered Mar 2 '10 at 16:42
BalusCBalusC
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UITableView with fixed section headers
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307
The headers only remain fixed when the UITableViewStyle property of the table is set to UITable...
When to use std::size_t?
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answered Dec 23 '09 at 9:09
CB BaileyCB Bailey
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How to track child process using strace?
I used strace to attach to a process briefly. The process created 90 threads. When I found the offending thread, I had to tediously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
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iOS: Compare two dates
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210
According to Apple documentation of NSDate compare:
Returns an NSComparisonResult value that...
What is Hindley-Milner?
...tion in ML, you can see the type parameter thus:
fun 'a length [] = 0
| 'a length (x::xs) = 1 + length xs
If a term has a Hindley-Milner type, then the principal type can be inferred without requiring any type declarations or other annotations by the programmer. (This is a mixed blessing...
How do I query using fields inside the new PostgreSQL JSON datatype?
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180
Postgres 9.2
I quote Andrew Dunstan on the pgsql-hackers list:
At some stage there will pos...
How to find the operating system version using JavaScript?
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190
If you list all of window.navigator's properties using
console.log(navigator);
You'll see so...
The simplest possible JavaScript countdown timer? [closed]
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510
I have two demos, one with jQuery and one without. Neither use date functions and are about as s...