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Quickly create a large file on a Linux system
How can I quickly create a large file on a Linux ( Red Hat Linux ) system?
14 Answers
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How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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How do I get current URL in Selenium Webdriver 2 Python?
I'm trying to get the current url after a series of navigations in Selenium. I know there's a command called getLocation for ruby, but I can't find the syntax for Python.
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Get css top value as number not as string?
In jQuery you can get the top position relative to the parent as a number, but you can not get the css top value as a number if it was set in px .
Say I have the following:
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How to timeout a thread
I want to run a thread for some fixed amount of time. If it is not completed within that time, I want to either kill it, throw some exception, or handle it in some way. How can it be done?
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Finding row index containing maximum value using R
Given the following matrix lets assume I want to find the maximum value in column two:
3 Answers
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What does -XX:MaxPermSize do?
Specifically, why would it help to fix a PermGen OutOfMemoryError issue?
3 Answers
3
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How add “or” in switch statements?
This is what I want to do:
5 Answers
5
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Elegant way to invert a map in Scala
Learning Scala currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
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Using print statements only to debug
...ate. And I have been working with data that I haven't worked with before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much informati...