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How can I create directories recursively? [duplicate]
Is there a Python method to create directories recursively? I have this path:
5 Answers
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Dynamically select data frame columns using $ and a character value
I have a vector of different column names and I want to be able to loop over each of them to extract that column from a data.frame. For example, consider the data set mtcars and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic s...
Binary Data in MySQL [closed]
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The answer by phpguy is correct but I think there is a lot of confusion in the additional details there.
The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is speci...
Bash: Copy named files recursively, preserving folder structure
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How do I clone a generic list in C#?
... The items within the list are cloneable, but there doesn't seem to be an option to do list.Clone() .
26 Answers
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Accessing inactive union member and undefined behavior?
I was under the impression that accessing a union member other than the last one set is UB, but I can't seem to find a solid reference (other than answers claiming it's UB but without any support from the standard).
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Convert dmesg timestamp to custom date format
...stamp conversion logic & how to enable timestamps when there are none:
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92677
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Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question fo...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
Suppose you have a class Person :
6 Answers
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Splitting a list into N parts of approximately equal length
What is the best way to divide a list into roughly equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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