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Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

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import numpy
import Gnuplot

def rainfall_intensity_t10(t): 
    return 11.23 * (t**(-0.713))

def rainfall_intensity_t50(t): 
    return 18.06 * (t**(-0.713))

g = Gnuplot.Gnuplot()

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Creating a clean gh-pages branch

This is the sequence of steps to follow to create a root gh-pages branch. It is based on a question at [SO]

cd /path/to/repo-name
git symbolic-ref HEAD refs/heads/gh-pages
rm .git/index
git clean -fdx
echo "My GitHub Page" > index.html

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Burndown Chart

A Pen by Demetri Ganoff on CodePen.

License.

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Google Cloud Storage backup tutorial

Introduction

This tutorial shows how to make backups to Google Cloud Storage. The backups are:

• automatic
• stored off site
• incremental

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"My First WDL" Template

task name {
  String in
  command {
    echo '${in}'
  }
  output {
 String out = read_string(stdout())

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import strformat
import tables

# A small program to make using 256 colors in Nim less painful.
# Original ZSH version from:
# P.C. Shyamshankar <sykora@lucentbeing.com>
# Copied from https://github.com/sykora/etc/blob/master/zsh/functions/spectrum/

# Nim rewrite by Laszlo Szathmary <jabba.laci@gmail.com>
# thanks to narimiran and kickeroo for making the code more idiomatic Nim code

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# http://flask.pocoo.org/snippets/88/

import os, sqlite3
from cPickle import loads, dumps
from time import sleep
try:
    from thread import get_ident
except ImportError:
    from dummy_thread import get_ident

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This page is a curated collection of Jupyter/IPython notebooks that are notable for some reason. Feel free to add new content here, but please try to only include links to notebooks that include interesting visual or technical content; this should not simply be a dump of a Google search on every ipynb file out there.

Important contribution instructions: If you add new content, please ensure that for any notebook you link to, the link is to the rendered version using nbviewer, rather than the raw file. Simply paste the notebook URL in the nbviewer box and copy the resulting URL of the rendered version. This will make it much easier for visitors to be able to immediately access the new content.

Note that Matt Davis has conveniently written a set of bookmarklets and extensions to make it a one-click affair to load a Notebook URL into your browser of choice, directly opening into nbviewer.