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Circular list iterator in Python
...usly)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
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How to get all possible combinations of a list’s elements?
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This answer missed one aspect: the OP asked for ALL combinations... not just combinations of length "r".
So you'd either have to loop through all lengths "L":
import itertools
stuff = [1, 2, 3]
for L in range(0, len(stuff)+1):
for subset...
Ignoring time zones altogether in Rails and PostgreSQL
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The data type timestamptz is the short name for timestamp with time zone.
The other option timestamp is short for timestamp without time zone.
timestamptz is the preferred type in the date/time family, literally. It has typispreferred set in pg_type, which can be relevant:
Generating time ser...
symbol(s) not found for architecture i386
...ibraries and dependent projects can require frameworks, so if you've added one recently then that can cause this error.
To add frameworks, right click on the project name in the project view, select Add, then select Existing frameworks... from the list. Then find the framework with the symbols you'...
How to increase font size in the Xcode editor?
...nt to modify and click the "+" button at the bottom of the theme list to clone it first for backup, for there is no undo option)
In the source editor box there is a list of types of text that you may set the font for:
Plain text
Comments
Documentation Comments
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Select any or all items fro...
Check if an array contains any element of another array in JavaScript
...pple","banana","orange"] , and I want to check if other arrays contain any one of the target array elements.
26 Answers
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Significant new inventions in computing since 1980
... Windows are much better than any open source OS for the average user. No one wants to admit that.
– RussellH
Jan 12 '09 at 20:32
32
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How do you do block comments in YAML?
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The spec only describes one way of marking comments:
An explicit comment is marked by a “#” indicator.
That's all. There are no block comments.
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advantage of tap method in ruby
..., discard any variable definitions made in the process once the block has done its job. And should there be just one method called on the object, you can write User.new.tap &:foobar
– Boris Stitnicky
Jul 5 '13 at 17:21
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Exotic architectures the standards committees care about
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Take a look at this one
Unisys ClearPath Dorado Servers
offering backward compatibility for people who have not yet migrated all their Univac software.
Key points:
36-bit words
CHAR_BIT == 9
one's complement
72-bit non-IEEE floating point
s...