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How to generate a random string in Ruby
I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z":
50 Answers
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Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation.
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live output from subprocess command
I'm using a python script as a driver for a hydrodynamics code. When it comes time to run the simulation, I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for ...
How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
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Need to list all triggers in SQL Server database with table name and table's schema
...d to list all triggers in SQL Server database with table name and table's schema.
19 Answers
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How can I check if multiplying two numbers in Java will cause an overflow?
I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:
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JavaScript: Object Rename Key
Is there a clever (i.e. optimized) way to rename a key in a javascript object?
23 Answers
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Remove sensitive files and their commits from Git history
I would like to put a Git project on GitHub but it contains certain files with sensitive data (usernames and passwords, like /config/deploy.rb for capistrano).
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Can you break from a Groovy “each” closure?
Is it possible to break from a Groovy .each{Closure} , or should I be using a classic loop instead?
6 Answers
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Is there an easy way to return a string repeated X number of times?
I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
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