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Max parallel http connections in a browser?
...g at my website in Tab1 of their browser, then also tries loading it in Tab2, they've used up the two allowed connections to my site.
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Uninstall old versions of Ruby gems
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edited Dec 28 '13 at 23:39
Steven Penny
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How to add new item to hash
...eate the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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Frequency table for a single variable
...s()?
>>> import pandas
>>> my_series = pandas.Series([1,2,2,3,3,3, "fred", 1.8, 1.8])
>>> my_series
0 1
1 2
2 2
3 3
4 3
5 3
6 fred
7 1.8
8 1.8
>>> counts = my_series.value_counts()
>>> counts
3 3
2 ...
What are the mathematical/computational principles behind this game?
...into the soup and you have the question:
Can we have a geometry with just 2 points? With 3 points? With 4? With 7?
There are still open questions regarding this problem but we do know this:
If there are geometries with Q points, then Q = n^2 + n + 1 and n is called the order of the geometry.
The...
Single Line Nested For Loops
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172
The best source of information is the official Python tutorial on list comprehensions. List com...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...e): pass and while(1): pass , but this is actually not the case in python2.7.
3 Answers
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Selecting with complex criteria from pandas.DataFrame
... in range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 T...
How do you plot bar charts in gnuplot?
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124
Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) wi...
Algorithm for Determining Tic Tac Toe Game Over
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22 Answers
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