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How to deal with persistent storage (e.g. databases) in Docker
How do people deal with persistent storage for your Docker containers?
14 Answers
14
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How to get the nth element of a python list or a default if not available
I'm looking for an equivalent in python of dictionary.get(key, default) for lists. Is there any one liner idiom to get the nth element of a list or a default value if not available?
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
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The modulo operation on negative numbers in Python
I've found some strange behaviour in Python regarding negative numbers:
8 Answers
8
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Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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How to split last commit into two in Git
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You should use the index. After doing a mixed reset ("git reset HEAD^"), add
the first set of changes into the index, then commit them. Then commit the
rest.
You can use "git add" to put all changes made in a file to the index. If you
don't want to stage every modificatio...
How to repeat a string a variable number of times in C++?
I want to insert 'n' spaces (or any string) at the beginning of a string in C++. Is there any direct way to do this using either std::strings or char* strings?
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Double vs single quotes
I'm really new to Ruby and I'm trying to understand if there's a specific time when I should use "" vs '' .
8 Answers
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How to wait for a keypress in R?
...eybd <- function(key)
{
keyPressed <<- key
}
xaxis=c(1:10) # Set up the x-axis.
yaxis=runif(10,min=0,max=1) # Set up the y-axis.
plot(xaxis,yaxis)
for (i in xaxis)
{
# On each keypress, color the points on the graph in red, one by one.
points(i,yaxis[i],col="red", pch=19)
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Is gettimeofday() guaranteed to be of microsecond resolution?
...veral less issues due to things like multi-core systems and external clock settings.
Also, look into the clock_getres() function.
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