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Looping over a list in Python
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200
Try this,
x in mylist is better and more readable than x in mylist[:] and your len(x) should b...
What does enumerate() mean?
...gt; for count, elem in enumerate(elements):
... print count, elem
...
0 foo
1 bar
2 baz
By default, enumerate() starts counting at 0 but if you give it a second integer argument, it'll start from that number instead:
>>> for count, elem in enumerate(elements, 42):
... print coun...
Pry: show me the stack
...play the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/posts_controller.rb @ line 7 PostsController#index:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1] pry(#<P...
The way to check a HDFS directory's size?
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10 Answers
10
Active
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Javascript Functions and default parameters, not working in IE and Chrome
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jucojuco
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How to get the last N rows of a pandas DataFrame?
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408
Don't forget DataFrame.tail! e.g. df1.tail(10)
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Formatting “yesterday's” date in python
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406
Use datetime.timedelta()
>>> from datetime import date, timedelta
>>> yester...
Test if string is a number in Ruby on Rails
...shua Pinter
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answered Apr 14 '11 at 10:13
Jakob SJakob S
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What is the difference between svg's x and dx attribute?
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Scott CameronScott Cameron
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BigDecimal setScale and round
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Stephan
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answered Nov 19 '12 at 20:03
dale petersdale peters
...