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How to use Active Support core extensions
...tive_support/all'
=> true
irb(main):002:0> 1.week.ago
=> 2010-11-14 17:56:16 -0700
irb(main):003:0>
For 1.8.7:
rvm 1.8.7
irb -f
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'active_support/all'
=> true
irb(main):003:0> 1.week.ago
=> Sun Nov 1...
How to iterate over associative arrays in Bash
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4 Answers
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Printing all global variables/local variables?
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496
Type info variables to list "All global and static variable names".
Type info locals to list ...
Create Pandas DataFrame from a string
...StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
3;4.7;65
4;3.2;140
""")
df = pd.read_csv(TESTDATA, sep=";")
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Less aggressive compilation with CSS3 calc
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Angularjs if-then-else construction in expression
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edited Oct 29 '14 at 18:43
Rafael Almeida
8,10666 gold badges3939 silver badges5757 bronze badges
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How does the const constructor actually work?
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