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Transform DateTime into simple Date in Ruby on Rails
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167
DateTime#to_date does exist with ActiveSupport:
$ irb
>> DateTime.new.to_date
NoMethodE...
How to find the JVM version from a program?
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10 Answers
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How to make an array of arrays in Java
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155
Like this:
String[][] arrays = { array1, array2, array3, array4, array5 };
or
String[][] a...
How to calculate the difference between two dates using PHP?
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Generate random numbers using C++11 random library
...m trying to figure out a way of generating random numbers using the new C++11 <random> library. I have tried it with this code:
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Reset/remove CSS styles for element only
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14 Answers
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Javascript add leading zeroes to date
I've created this script to calculate the date for 10 days in advance in the format of dd/mm/yyyy:
24 Answers
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Get column index from column name in python pandas
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Sure, you can use .get_loc():
In [45]: df = DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]})
In [46]: df.columns
Out[46]: Index([apple, orange, pear], dtype=object)
In [47]: df.columns.get_loc("pear")
Out[47]: 2
although to be honest I don't often need this myself. U...
How to detect the end of loading of UITableView
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21 Answers
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