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Generate array of all letters and digits
Using ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily?
7 Answers
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How to use if - else structure in a batch file?
I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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Output data from all columns in a dataframe in pandas [duplicate]
I have a csv file with the name params.csv . I opened up ipython qtconsole and created a pandas dataframe using:
7 Ans...
Geometric Mean: is there a built-in?
I tried to find a built-in for geometric mean but couldn't.
9 Answers
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Change Default Scrolling Behavior of UITableView Section Header
I have a UITableView with two sections. It is a simple table view. I am using viewForHeaderInSection to create custom views for these headers. So far, so good.
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Simple way to create matrix of random numbers
I am trying to create a matrix of random numbers, but my solution is too long and looks ugly
13 Answers
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Set time part of DateTime in ruby
Say I have a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Ans...
How to normalize a NumPy array to within a certain range?
After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written back to a file. This can be done like so:
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Comparing numbers in Bash
I'm starting to learn about writing scripts for the bash terminal, but I can't work out how to get the comparisons to work properly. The script I'm using is:
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Why does parseInt(1/0, 19) return 18?
I have an annoying problem in JavaScript .
4 Answers
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