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How can I split a string into segments of n characters?
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369
var str = 'abcdefghijkl';
console.log(str.match(/.{1,3}/g));
Note: Use {1,3} inste...
python pandas remove duplicate columns
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edited Aug 23 '19 at 13:30
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
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Difference between Math.Floor() and Math.Truncate()
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edited May 23 '17 at 12:03
Community♦
111 silver badge
answered Aug 1 '08 at 12:26
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...ith rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bu...
Java: how can I split an ArrayList in multiple small ArrayLists?
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332
You can use subList(int fromIndex, int toIndex) to get a view of a portion of the original lis...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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In [7]: df
Out[7]:
0 1
0 NaN NaN
1 -0.494375 0.570994
2 NaN NaN
3 1.876360 -0.229738
4 NaN NaN
In [8]: df.fillna(0)
Out[8]:
0 1
0 0.000000 0.000000
1 -0.494375 0.570994
2 0.000000 0.000000
3 1.876360 -0.229738
4 0...
How to convert a boolean array to an int array
...gt;> x
array([ True, False, True], dtype=bool)
>>> x + [1, 2, 3]
array([2, 2, 4])
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Razor View throwing “The name 'model' does not exist in the current context”
... one in your current project. This will fix your problem.
Also, as Dudeman3000 commented, if you have Areas in your MVC project they all have Views\web.config files too.
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How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
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