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Converting a Uniform Distribution to a Normal Distribution
How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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Stop execution of Ruby script
Is there a method like exit or die in PHP which stops the execution of a Ruby script?
4 Answers
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How do I add a path to PYTHONPATH in virtualenv
I am trying to add a path to the PYTHONPATH environment variable, that would be only visible from a particular virtualenv environment.
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String.replaceAll without RegEx
I'd like to replace all instances of a substring in a string but String.replaceAll() only accepts a pattern. The string that I have came from a previous match. Is it possible to add escapes to the pattern that I have or is there a version of replaceAll() in another class which accepts a literal ...
Python argparse: default value or specified value
I would like to have a optional argument that will default to a value if only the flag is present with no value specified, but store a user-specified value instead of the default if the user specifies a value. Is there already an action available for this?
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Changing my CALayer's anchorPoint moves the view
I want to alter the anchorPoint , but keep the view in the same place.
I've tried NSLog -ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves!
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How to check if a given directory exists in Ruby
I am trying to write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not.
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Invoking a static method using reflection
I want to invoke the main method which is static. I got the object of type Class , but I am not able to create an instance of that class and also not able to invoke the static method main .
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Is there a way to specify an “empty” C# lambda expression?
I'd like to declare an "empty" lambda expression that does, well, nothing.
Is there a way to do something like this without needing the DoNothing() method?
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