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OS X 10.10 Guide

Here's what I did to get things working.

1. Install Xcode 6

Yep, over at: https://developer.apple.com

2. Install the Command Line Tools (CLT)

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# usage: `python ~/Desktop/contours.py 1994-654-12_v02.tif`
# output is to a squareless.txt file and the directory "out"
# Working well with thumbnails with 400px as their longest side - untested with other dimensions

# for i in $(ls -1 | grep tif); do python /Users/artsyinc/Documents/resistance/experiments/artwork_image_cropping/contours.py $i; done

import cv2
import numpy as np
from matplotlib import pyplot as plt
import sys

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Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

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########################
# Customize the test machine
########################
machine:

  # Set the timezeone - any value from /usr/share/zoneinfo/ is valid here
  timezone:
    America/Los_Angeles

  # Version of ruby to use

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#Setting up your project on CircleCI

CircleCI Docs

Configuring CircleCI with Circle.yml

CircleCI's Test Environment

Initial Setup

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# First install tmux
brew install tmux

# For mouse support (for switching panes and windows)
# Only needed if you are using Terminal.app (iTerm has mouse support)
Install http://www.culater.net/software/SIMBL/SIMBL.php
Then install https://bitheap.org/mouseterm/

# More on mouse support http://floriancrouzat.net/2010/07/run-tmux-with-mouse-support-in-mac-os-x-terminal-app/

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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

So you're curious in learning this new thing called Reactive Programming, particularly its variant comprising of Rx, Bacon.js, RAC, and others.

Learning it is hard, even harder by the lack of good material. When I started, I tried looking for tutorials. I found only a handful of practical guides, but they just scratched the surface and never tackled the challenge of building the whole architecture around it. Library documentations often don't help when you're trying to understand some function. I mean, honestly, look at this:

Rx.Observable.prototype.flatMapLatest(selector, [thisArg])

Projects each element of an observable sequence into a new sequence of observable sequences by incorporating the element's index and then transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence.

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Dependency injection in JavaScript

I like the quote that the programming is all about managing complexity. Maybe you've heard that the computer world is a giant construction of abstractions. We simply wrap things and produce new tools over and over again. Just think for a minute. The languages which you use have build-in functionalities and they are probably abstracted functions of other low level operations. It's the same with JavaScript. [STOP]Sooner or later you need to use abstractions made by other developers. I.e. you depend on someone's other code. I like the dependency-free modules, but that's kinda difficult to achieve. Even if you create those nice black-box liked components you still have a part which combines everything. That's where the dependency injection placed in. The ability to manage the dependencies effectively is absolutely necessary nowadays. This articles sums up my observations on the problem.

The goal

Let's say that we have

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You are probably here because you got the following error messages:

addComponentAsRefTo(...): Only a ReactOwner can have refs. You might be adding a ref to a component that was not created inside a component's render method, or you have multiple copies of React loaded.

This usually means one of two things:

• You are trying to add a ref to an element that is being created outside of a component's render() function.
• You have multiple (conflicting) copies of React loaded (eg. due to a miss-configured NPM dependency)

Invalid Refs

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname