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How can I find out if I have Xcode commandline tools installed?
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162
/usr/bin/xcodebuild -version
will give you the xcode version, run it via Terminal command
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Pandas DataFrame column to list [duplicate]
..._list method.
For example:
import pandas as pd
df = pd.DataFrame({'a': [1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9],
'b': [3, 5, 6, 2, 4, 6, 7, 8, 7, 8, 9]})
print(df['a'].to_list())
Output:
[1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9]
To drop duplicates you can do one of the following:
>&...
Rails 3 execute custom sql query without a model
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168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.ex...
Scala constructor overload?
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186
It's worth explicitly mentioning that Auxiliary Constructors in Scala must either call the pri...
Are default enum values in C the same for all compilers?
...num as shown below, do all C compilers set the default values as x=0 , y=1 , and z=2 on both Linux and Windows systems?
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Which is faster in Python: x**.5 or math.sqrt(x)?
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14 Answers
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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
I'm using Ruby 1.9.1 with Rails 2.3.4 My application is to handle text input
6 Answers
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How to perform element-wise multiplication of two lists?
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14 Answers
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Why use make over a shell script?
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132
The general idea is that make supports (reasonably) minimal rebuilds -- i.e., you tell it what...
How to iterate over associative arrays in Bash
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591
The keys are accessed using an exclamation point: ${!array[@]}, the values are accessed using ${...