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How can I copy & paste, or duplicate, an existing project?
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Breadth First Vs Depth First
When Traversing a Tree/Graph what is the difference between Breadth First and Depth first? Any coding or pseudocode examples would be great.
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What do hjust and vjust do when making a plot using ggplot?
Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like
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Getting time elapsed in Objective-C
I need to get the time elapsed between two events, for example, the appearance of a UIView and the user's first reaction.
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Restful way for deleting a bunch of items
In wiki article for REST
it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection.
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Unresolved external symbol on static class members
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If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::...
What is the difference between a 'closure' and a 'lambda'?
Could someone explain? I understand the basic concepts behind them but I often see them used interchangeably and I get confused.
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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 check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
10 Answers
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