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How to extend an existing JavaScript array with another array, without creating a new array
...to extend an existing JavaScript array with another array, i.e. to emulate Python's extend method.
16 Answers
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Associative arrays in Shell scripts
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Another non-bash 4 way.
#!/bin/bash
# A pretend Python dictionary with bash 3
ARRAY=( "cow:moo"
"dinosaur:roar"
"bird:chirp"
"bash:rock" )
for animal in "${ARRAY[@]}" ; do
KEY=${animal%%:*}
VALUE=${animal#*:}
printf "%s likes to %s.\n"...
What's the fuss about Haskell? [closed]
...m. It's strictly typed, but the type inference engine makes it feel like a Python program that magically tells you when you've done a stupid type-related mistake. Haskell's error messages in this regard are somewhat lacking, but as you get more acquainted with the language you'll say to yourself: th...
How to parse XML in Bash?
... called from shell scripts include:
4xpath - command-line wrapper around Python's 4Suite package
XMLStarlet
xpath - command-line wrapper around Perl's XPath library
Xidel - Works with URLs as well as files. Also works with JSON
I also use xmllint and xsltproc with little XSL transform scripts to...
Pandas every nth row
...es a row/column slice, both based on integer position and following normal python syntax.
df.iloc[::5, :]
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...algorithm)[leptonica.com/papers/mediancut.pdf]. I just implemented this in python in about 2 hours just form the description in the paper, and prefer it to my implementation of Seth's algorithm above. I like the results a bit better, but most importantly it is quite a bit faster (of course, I could ...
Open a buffer as a vertical split in VIM
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you can use Neovim,like that:
autocmd FileType python nmap <F5> :rightbelow vertical split <bar> :term python %<cr>
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What is an idiomatic way of representing enums in Go?
...atured enum similar to the type you'd see in another language like Java or Python?
A very simple way to create an object that starts to look and feel like a string enum in Python would be:
package main
import (
"fmt"
)
var Colors = newColorRegistry()
func newColorRegistry() *colorRegistry {...
Why is “using namespace std;” considered bad practice?
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I've always liked Python's "import big_honkin_name as bhn" so you can then just use "bhn.something" rather than "big_honkin_name.something"- really cuts down on the typing. Does C++ have something like that?
– paxdiablo
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Import module from subfolder
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There's no need to mess with your PYTHONPATH or sys.path here.
To properly use absolute imports in a package you should include the "root" packagename as well, e.g.:
from dirFoo.dirFoo1.foo1 import Foo1
from dirFoo.dirFoo2.foo2 import Foo2
Or you can use ...