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Is there a way to make R beep/play a sound at the end of a script?
...ion sounds in R which should work cross-platform. Run the following to install beepr and make a sound:
install.packages("beepr")
library(beepr)
beep()
More info at github: https://github.com/rasmusab/beepr
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What does %5B and %5D in POST requests stand for?
...
As per this answer over here: str='foo%20%5B12%5D' encodes foo [12]:
%20 is space
%5B is '['
and %5D is ']'
This is called percent encoding and is used in encoding special characters in the url parameter values.
EDIT By the way as I was reading https://dev...
How to merge a transparent png image with another image using PIL
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To make sure the foreground contains transparency in all cases, use foreground.convert('RGBA') for the mask parameter.
– Mark Ransom
Oct 4 '12 at 2:28
2
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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Please explain some of Paul Graham's points on Lisp
...at a comparison to C and Java, which I won't do -- but for some reason I really enjoy discussing this very topic once in a while, so -- here's my shot at an answer.
On points (3) and (4):
Points (3) and (4) on your list seem the most interesting and still relevant now.
To understand them, it is usef...
Private and protected constructor in Scala
...e keyword between the class name and the parameter list, like this:
class Foo private () {
/* class body goes here... */
}
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“simple” vs “current” push.default in git for decentralized workflow
...n if a branch with the same name exists on the remote):
$ git checkout -b foo
Switched to a new branch 'foo'
$ git config push.default simple
$ git push
fatal: The current branch foo has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream...
PostgreSQL LIKE query performance variations
...ull Text Search with its full text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator:
Get partial match fro...
Different ways of loading a file as an InputStream
...le differences as to how the fileName you are passing is interpreted. Basically, you have 2 different methods: ClassLoader.getResourceAsStream() and Class.getResourceAsStream(). These two methods will locate the resource differently.
In Class.getResourceAsStream(path), the path is interpreted as a p...
Changes in import statement python3
...t module. They have been supported starting from 2.5.
from .sister import foo
from . import brother
from ..aunt import bar
from .. import uncle
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