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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...eir queries directly. It is private API so there is a huge risk that Rails 3 will totally break it, but for debugging, it is an ok solution.
The method is construct_finder_sql(options) (lib/active_record/base.rb:1681) you will have to use send because it is private.
Edit: construct_finder_sql was...
What is the leading LINQ for JavaScript library? [closed]
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13
Have you seen Rx for Javascript, yet? That's what you want.
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Flatten an irregular list of lists
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390
Using generator functions can make your example a little easier to read and probably boost the...
Rails: Is there a rails trick to adding commas to large numbers?
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354
You want the number_with_delimiter method. For example:
<%= number_with_delimiter(@number,...
Pandas count(distinct) equivalent
...ple:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nunique()
Out[3]:
YEARM...
Pairwise crossproduct in Python [duplicate]
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3 Answers
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Python - Count elements in list [duplicate]
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399
len()
>>> someList=[]
>>> print len(someList)
0
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Convert all strings in a list to int
...the map function (in Python 2.x):
results = map(int, results)
In Python 3, you will need to convert the result from map to a list:
results = list(map(int, results))
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How do I exit the results of 'git diff' in Git Bash on windows? [duplicate]
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