aras-p

// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,

anderser

#!/usr/bin/env python

import sys
import argparse
import networkx as nx
import community
from networkx.readwrite import json_graph


def graphmltojson(graphfile, outfile):

dhh

David Heinemeier
Gihub: 
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37Signals

lfender6445

Pry Cheat Sheet

• Youtube Tutorial 2013

Command Line

• pry -r ./config/app_init_file.rb - load your app into a pry session (look at the file loaded by config.ru)
• pry -r ./config/environment.rb - load your rails into a pry session

Debugger

justin808

# Using these pry gems -- copy to your Gemfile
# group :development, :test do
#   gem 'awesome_print' # pretty print ruby objects
#   gem 'pry' # Console with powerful introspection capabilities
#   gem 'pry-byebug' # Integrates pry with byebug
#   gem 'pry-doc' # Provide MRI Core documentation
#   gem 'pry-rails' # Causes rails console to open pry. `DISABLE_PRY_RAILS=1 rails c` can still open with IRB
#   gem 'pry-rescue' # Start a pry session whenever something goes wrong.
#   gem 'pry-theme' # An easy way to customize Pry colors via theme files
# end

jayswan

>>> import itertools
>>> import string
>>> from elasticsearch import Elasticsearch,helpers
es = Elasticsearch()
>>> # k is a generator expression that produces
... # a series of dictionaries containing test data.
... # The test data are just letter permutations
... # created with itertools.permutations.
... #
... # We then reference k as the iterator that's

ololobus

Apache Spark installation + ipython/jupyter notebook integration guide for macOS

Tested with Apache Spark 2.1.0, Python 2.7.13 and Java 1.8.0_112

For older versions of Spark and ipython, please, see also previous version of text.

Install Java Development Kit

ThomasMeier

Clojure is for Aristotelians

I was reading ["Clojure is for Type B Personalities"][2] and it sparked some thoughts I had about the intersection of western philosophy and programming.

One could say Mathematics is an extension of Epistemology. And all theory about computability are an extension of mathematics. I reckon how one thinks about computability and how one writes computable functions are a reflection of a person's natural epistemological tendencies. This is going to be just as unscientific as ["Clojure is for Type B Personalities"][2], but hopefully another

rmm5t

Fast/efficient approach:

-- execute("UPDATE posts SET comments_count = (SELECT count(1) FROM comments WHERE comments.post_id = posts.id)")
   -> 1.3197s

Slow/naïve approach:

adham90

SPC s c remove highlight

**** Files manipulations key bindings
Files manipulation commands (start with ~f~):

| Key Binding | Description                                                    |
|-------------+----------------------------------------------------------------|
| ~SPC f c~   | copy current file to a different location                      |
| ~SPC f C d~ | convert file from unix to dos encoding                         |
| ~SPC f C u~ | convert file from dos to unix encoding                         |