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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...you noted that it's an "unpacking operator", so that I could differentiate from passing by reference in C. +1
– bballdave025
Jun 8 '18 at 0:56
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Is git good with binary files?
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From the git community book (book.git-scm.com/7_how_git_stores_objects.html): "In order to save that space, Git utilizes the packfile. This is a format where Git will only save the part that has changed in the second file, wi...
What is the difference between PS1 and PROMPT_COMMAND
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From the GNU Bash doc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never u...
Asynchronous method call in Python?
...nchronously with:
apply_async(func[, args[, kwds[, callback]]])
E.g.:
from multiprocessing import Pool
def f(x):
return x*x
if __name__ == '__main__':
pool = Pool(processes=1) # Start a worker processes.
result = pool.apply_async(f, [10], callback) # Evaluate "f(10)" ...
Timeout on a function call
...0), the handler is called. This raises an exception that you can intercept from the regular Python code.
This module doesn't play well with threads (but then, who does?)
Note that since we raise an exception when timeout happens, it may end up caught and ignored inside the function, for example of o...
Keep only first n characters in a string?
...cause str.slice() allows you to make the second argument negative to count from the back, unlike str.substring: "abcdef".slice(0, -2) == "abcd".
– Claude
Mar 21 '15 at 20:48
a...
How to implement my very own URI scheme on Android
...WSABLE - this is not necessary, but it will allow your URIs to be openable from the browser (a nifty feature).
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ViewPager with Google Maps API v2: mysterious black view
...grated the new google maps api v2 fragment in a view pager. When scrolling from the map fragment, a black view overlaps the adjacent fragments. Someone has solved?
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Excluding directories in os.walk
...I'd add an option for the user to specify a list of directories to exclude from the traversal.
2 Answers
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Sankey Diagrams in R?
...networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
Target = "target", Value = "value", NodeID = "name",
units = "TWh", fontSize = 12, nodeWidth = 30)
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