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In pure functional languages, is there an algorithm to get the inverse function?
In pure functional languages like Haskell, is there an algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is?
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Plotting two variables as lines using ggplot2 on the same graph
A very newbish question, but say I have data like this:
5 Answers
5
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How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
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36 Answers
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How do I use su to execute the rest of the bash script as that user?
I've written a script that takes, as an argument, a string that is a concatenation of a username and a project. The script is supposed to switch (su) to the username, cd to a specific directory based upon the project string.
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How to test if string exists in file with Bash?
I have a file that contains directory names:
13 Answers
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How to use Fiddler to monitor WCF service
I have a WCF service that accepts a complex type and returns some data. I want to use Fiddler to see what the incoming requests to the service looks like. The client is .net console app which uses a Service reference proxy. Is this possible with Fiddler. I'm new to this tool and have only used it i...
How do I use Django templates without the rest of Django?
I want to use the Django template engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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How to create CSV Excel file C#? [closed]
I'm looking for a class for creating CSV Excel files.
13 Answers
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Select Pandas rows based on list index
I have a dataframe df :
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4
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PHPMyAdmin Default login password [closed]
I have done a fresh installation of Fedora 14 and installed the phpMyAdmin module. When I run phpMyAdmin, it asks me for a username and password.
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