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How to access the last value in a vector?
Suppose I have a vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var?
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Formatting code in Notepad++
Is there a keyboard shortcut to format code in Notepad++ ?
I'm mainly working with HTML, CSS and Python code.
12 Answers
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Convert XLS to CSV on command line
How could I convert an XLS file to a CSV file on the windows command line.
15 Answers
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How to pass arguments into a Rake task with environment in Rails? [duplicate]
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Calculating Distance between two Latitude and Longitude GeoCoordinates
I'm calculating the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are t...
How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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How to create a fixed-size array of objects
In Swift, I am trying to create an array of 64 SKSpriteNode. I want first to initialize it empty, then I would put Sprites in the first 16 cells, and the last 16 cells (simulating an chess game).
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Safe String to BigDecimal conversion
I'm trying to read some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
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How to check if all list items have the same value and return it, or return an “otherValue” if they
...n I need to use that value, otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
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Printing object properties in Powershell
When working in the interactive console if I define a new object and assign some property values to it like this:
7 Answers...