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Cleaning `Inf` values from an R dataframe
In R, I have an operation which creates some Inf values when I transform a dataframe.
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
What is the proper way to get a list of all available serial ports/devices on a Linux system?
12 Answers
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Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
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Deleting DataFrame row in Pandas based on column value
I have the following DataFrame:
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Pandas: drop a level from a multi-level column index?
If I've got a multi-level column index:
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
what does -webkit-transform: translate3d(0,0,0); exactly do?
Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically.
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C++ equivalent of java's instanceof
What is the preferred method to achieve the C++ equivalent of java's instanceof ?
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How can I map True/False to 1/0 in a Pandas DataFrame?
I have a column in python pandas DataFrame that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that?
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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