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Tricks to manage the available memory in an R session
What tricks do people use to manage the available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effect...
How to pip or easy_install tkinter on Windows
My Idle is throwing errors that and says tkinter can't be imported.
12 Answers
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Using PowerShell credentials without being prompted for a password
I'd like to restart a remote computer that belongs to a domain. I have an administrator account but I don't know how to use it from powershell.
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Group by in LINQ
Let's suppose if we have a class like:
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How do you cast a List of supertypes to a List of subtypes?
For example, lets say you have two classes:
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How good is Java's UUID.randomUUID?
I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
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Perform an action in every sub-directory using Bash
I am working on a script that needs to perform an action in every sub-directory of a specific folder.
9 Answers
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Interface or an Abstract Class: which one to use?
Please explain when I should use a PHP interface and when I should use an abstract class ?
11 Answers
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Downloading MySQL dump from command line
I am moving away from Linode because I don't have the Linux sysadmin skills necessary; before I complete the transition to a more noob-friendly service, I need to download the contents of a MySQL database. Is there a way I can do this from the command line?
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