secondBreakfastDev

'use strict';

// pure bottom-up recursion
function getNumberPure(r, c) {
    if (0 == c) return 1;
    if (0 == r || c == r) return 1;
    else return getNumberPure(r-1, c-1) + getNumberPure(r-1, c);
}

// bottom-up recursion with memorization

secondBreakfastDev

'use strict';

/**
 * Generate betamap
 * @param  {Number} bpm    beats per minute
 * @param  {Number} length duration of the song in seconds
 * @param  {Number} rate   samples per second
 * @return {Array}         beatmap
 */
function generateBeatMap(bpm, length, rate)

secondBreakfastDev

Overview

The following gist inteds to give a brief overview of the required components for building smart home using open technologies.

Hardware

1. Aeotec Z-Stick GEN 5
2. Fibaro FGWP101 Metered Wall Plug Switch
3. Fibaro FGMS001 Motion Sensor firmware v2.8
4. Fibaro FGMS001 Motion Sensor firmware v3.2
5. Raspberry Pi 3

secondBreakfastDev

import os
import numpy as np
import cv2
from PIL import Image

def normalize_histogram(histogram):
    return histogram / np.linalg.norm(histogram)

def get_image_data(path):
    print('Loading image {}...'.format(path))

secondBreakfastDev

Motivation

By default Ubuntu 17.10 comes with Python 3.6.3 installed. You can start it by using python3 command. However, none of the following commands is enabled: pip, pip3, python. Moreover, there's no Python 2.7 installed.

Installataion steps

1. sudo apt update
2. sudo apt install python
3. sudo apt install python-pip
4. sudo apt install python3-pip

secondBreakfastDev

List of essential plugins for Sublime Text 3

• Package control
• Babel
• Pretty JSON
• Seti_UI
• Seti_UX
• SideBarEnhancements
• EditorConfig
• Dockerfile Syntax Highlighting

secondBreakfastDev

This is a simple flow to allow EC2 instance that has assumed a role with CodeCommit policy to access CodeCommit

1. Create EC2 Instance Role with AWSCodeCommitReadOnly policy
2. Create EC2 with Amazon Linux AMI that assumes the role
3. Install git: yum install git
4. Run git config --global credential.helper '!aws codecommit credential-helper $@'
5. Run git config --global credential.UseHttpPath true
6. Clone your repo

secondBreakfastDev

# You will need Homebrew

# Install GPG
brew install gnupg
# Or the following:
# brew upgrade gnupg
# brew link --overwrite gnupg

# Install Pinentry and restart GPG agent
brew install pinentry-mac

secondBreakfastDev

# Extract RSA public key
openssl rsa -pubout -in mykey.pem

# Extract SSH key
ssh-keygen -y -f mykey.pem

secondBreakfastDev

import threading, asyncio, websockets, time

# Global stop flag
stopFlag = False

"""
DataWorker thread responsible for data generation.
"""
class DataWorker (threading.Thread):