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mixelpixel / CS7

An archive of daily lectures and fun!

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CS7: DAY by DAY

CS7 Lambda


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Overview

CS7 on Piazza

LS Syllabus Training Kit

LS CSA Syllabus on GitHub
Google Calendar Week Example

  • The CS7 Calendar is available on Google Calendars per invite.

CS& Google Calendar

Lambda School Sprint Structure

Lambda School Sprint Structure

Day by day, week by week, month by month, we learn!

Month 1: January, 2018

Prior to my starting mid-Week 3

THIS LIST IS JUST AN EDUCATED GUESS RIGHT NOW

Pre-Coursework

Week 1: Jan. 8 - 12

JavaScript I - IV

Week 2: Jan. 16 - 19 (1/15: MLK Jr.)

Data Structures

Code Challenges 1 through 10

  1. reverseString
  2. longestString
  3. reverseCase
  4. reverseNumber
  5. moneyFormat
  6. stringToCamelCase
  7. evenOccurences
  8. romanNumerals
  9. stringCompression
  10. collatzSequence

Week 03: Jan. 22 - 26

HTML/CSS and DOM Manipulation w/Ivan Mora

Day 10: Mon, Jan. 22

Code Challenge 8: Roman Numerals

Day 11: Tue, Jan. 23

Code Challenge 9: String Compression

Day 12: Wed, Jan. 24

Code Challenge 10: Collatz Sequence

Introduction to DOM and manipulation with Vanilla JS - Lecture w/Ivan Mora

Introduction to DOM and manipulation with Vanilla JS - Q&A w/Ivan Mora

Day 13: Thu, Jan. 25

Code Challenge 11: Consecutive Strings w/Patrick Kennedy

Introduction to DOM and manipulation with Vanilla JS - Q&A 2 w/Ivan Mora

Introduction to DOM and manipulation with Vanilla JS - Q&A 3 w/Ivan Mora

Day 14: Fri, Jan. 26

Sprint Challenge: DOM & Javascript

Introduction to DOM and manipulation with Vanilla JS - Solution 1 w/Ivan Mora

Introduction to DOM and manipulation with Vanilla JS - Solution 2(Refactor) w/Ivan Mora

Sat, Jan. 27

CS7 - Introduction to DOM and manipulation with Vanilla JS - Optional Review

Week 04: Jan. 29 - Feb. 2

Responsive Design and CSS Pre-Processors w/Josh Knell

Posted in Slack, Sunday prior: https://lambdaschoolstudents.slack.com/archives/C8ZM4HHD3/p1517169440000109
Setting up for LESS

Q: Why LESS and not SASS or another preprocessor?

A: Learning one will be almost identical to the other but SASS compiles on Ruby and to install Ruby for PC and MAC would have been an unwanted side effect for teaching. You will find that the time spent in LESS will prepare you for any pre processor.

*Q: I have node installed, but when I try to install LESS or run any commands I get an error: *

npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

A: This is because of where your files for the node modules on your computer are stored. The quick fix is to simply run "sudo" in front of your commands to override the permission error.

Example:

$ sudo npm install -g less

This command, known as "super user do" will grant the correct permissions after you enter a password.

For a more permanent fix, you can follow this guide on the npm website:

https://docs.npmjs.com/getting-started/fixing-npm-permissions

Q: The pre course video talks about using jet brains IDE to further optimize my LESS build but I don't have that IDE. What gives?

A: Don't worry about the IDE. That was just a helpful tip and trick. We will be going over every detail in our guided demo. Just get LESS installed and attempt to write a few lines of LESS so you're familiar with it. Don't stress!

Day 1 - Preprocessors Intro
Day 2 - Preprocessors Advanced
Day 3 - Responsive Web Design Intro
Day 4 - Responsive Web Design Advanced

Day 15: Mon, Jan. 29

Code Challenge 12: Sum of Digits w/Patrick Kennedy

CSS Preprocessor Intro w/Josh Knell

CSS Preprocessor Intro Q&A w/Josh Knell

Day 16: Tue, Jan. 30

Code Challenge 13: Common Elements w/Satish Vattikuti

CSS Preprocessor 2 w/Josh Knell

CSS Preprocessor 2 Q&A w/Josh Knell

Day 17: Wed, Jan. 31

Code Challenge 14: Bubble Sort w/Satish Vattikuti

Responsive Web Design: Guided Demo w/Josh Knell

Responsive Web Design: Q&A w/Josh Knell

Day 18: Thu, Feb. 1

Code Challenge 15: Sort Strings w/Satish Vattikuti

Responsive Web Design - Percent Based Layout w/Josh Knell

Responsive Web Design II: Guided Demo w/Josh Knell

Responsive Web Design II: Q&A w/Josh Knell

Day 19: Fri, Feb. 2

Sprint Challenge Repository on GitHub: Responsive LESS

Brown Bag: CS2 Capstone Demo w/CS2

Responsive Web & LESS Sprint Challenge Solution w/Josh Knell

Intro to Slack command: /question w/Patrick Kennedy

Month 2: February, 2018

Week 05: Mon. Feb 5 - 9

React 1 w/Luis Hernandez

Assignments

Day 20: Mon, Feb. 5

Code Challenge 16: To Binary String w/Patrick Kennedy

Guided Demo Part 1 - First steps with React and create-react-app w/Luis Hernandez

Git windows installation adding Unix tools to Command Prompt w/Luis Hernandez

Q and A, class components and introduction to state w/Luis Hernandez

Day 21: Tue, Feb. 6

Code Challenge 17: Prime List w/Satish Vattikuti

Guided Demo Part 2 - Add and Remove examples w/Luis Hernandez

Q and A Part 2 - review of core concepts and relative path navigation w/Luis Hernandez

Day 22: Wed, Feb. 7

Code Challenge 18: Days Between w/Manisha Lal

Guided Demo Part 3 - Styling React Components w/Luis Hernandez

How to create a GitHub repository and connect it to an application built with create-react-app w/Luis Hernandez

Q and A Part 3 w/Luis Hernandez

Day 23: Thu, Feb. 8

Code Challenge 19: Expanded Numbers w/Tyge Johnson

Guided Demo Part 4 - PropTypes, defaultProps and Lifecyle hooks w/Luis Hernandez

Q and A Part 4 - Review from Scratch w/Luis Hernandez

Day 24: Fri, Feb. 9

Sprint Challenge Repository on GitHub: React

Brown Bag w/Adam Nash: Personal Finance for Engineers

Sprint Challenge Review w/Luis Hernandez

Week 06: Feb. 12 - 16

React 2 w/Luis Hernandez

Assignments

Day 25: Mon, Feb. 12

Code Challenge 20: Rock, Paper, Scissors w/Patrick Kennedy

Guided Demo - Introduction to HTTP Ajax and Promises w/Luis Hernandez

Q&A w/Satish, Wesley and Patrick

Day 26: Tue, Feb. 13

Code Challenge 21: Merged Objects w/Satish Vattikuti

Guided Demo Part 2 - Implementing Post and Pair Programming Demo w/Luis Hernandez

Q&A - Implementing Delete and Lifting State Up w/Luis Hernandez

Day 27: Wed, Feb. 14

Code Challenge 22: Is Twin Prime? w/Manisha Lal

Guided Demo - Introduction to React Router w/Luis Hernandez

LECTURE w/Luis Hernandez

Day 28: Thu, Feb. 15

Code Challenge 23: Insertion Sort w/Tyge Johnson

Q&A - React Router w/Luis Hernandez

Day 29: Fri, Feb. 16

Sprint Challenge Repository on GitHub: Routing Axios

Brown Bag w/Sean Chen: Parallel Algorithm Design

Sprint Challenge Review w/Luis Hernandez: React Router and AJAX Update/Put

change

Week 07: Feb. 19 - 23

Redux w/Ivan Mora & Sean Chen

Assignments

Redux-II prep

Mon, Feb. 19 PRESIDENT'S DAY

Day 30: Tue, Feb. 20

Code Challenge 24: Operators w/Patrick Kennedy

Introduction to Redux I - Immutability w/Ivan Mora

Redux I - Q&A w/Ivan Mora

Day 31: Wed, Feb. 21

Code Challenge 25: Equal Sides w/Satish Vattihuti

Redux I mini - Solution w/Ivan Mora

GitHub "Collaboration" & Pair Programming w/Tai Chulikavit, Boomer & Patrick Kennedy

Redux I - Q&A w/TAs

Day 32: Thu, Feb. 22

Code Challenge 26: Check Matching Leaves w/Manisha Lal

Redux I Solution Lecture & Redux II Lecture w/Sean Chen

Redux-II Q&A 1 w/Sean Chen

Day 33: Fri, Feb. 23

Code Challenge 27: Markdown Tables w/Patrick Kennedy

Redux II Solution Lecture w/Sean Chen

Sprint Challenge Repository on GitHub: Redux

Week 08 Feb.26 - Mar. 2

Front-End Project w/Josh Knell

Assignments

Prep

Day 34: Mon, Feb. 26

Code Challenge 28: Quick Sort w/Matt Jackson

Front End Project Week - Guided Instruction w/Josh Knell

Day 35: Tue, Feb. 27

Git Commits and Pep Talk w/Josh Knell

Day 36: Wed, Feb. 28

Pomodoro - Tomato... time tracking! w/Josh Knell

Day 37: Thu, Mar. 1

Weekly Scrum Agile w/Josh Knell

Day 38: Fri, Mar. 2

CS7 Front-End Project Demo w/TAs

Month 3: March, 2018

Week 09: Mar. 5 - 9

Node w/Ivan Mora

Installation

Assignments

Day 39: Mon, Mar. 5

Code Challenge 29: Merge Sort w/Dylan Scheidt

Node - Introduction Lecture w/Ivan Mora

Node - Introduction Q&A w/TAs

Day 40: Tue, Mar. 6

Code Challenge 30: Breadth First Search w/Satish Vatikuti

Node - Express I - Mini Solution w/Ivan Mora

Node Express I Q&A (partial) w/TAs

Day 41: Wed, Mar. 7

Code Challenge 31: Queue Stack w/Matthew Jackson

Third Party APIs - Intro Lecture and assignment w/Ivan Mora

Third Party APIs - Intro Q&A w/TAs

Day 42: Thu, Mar. 8

Code Challenge 32: Largest Contiguous Sum w/Tyge Johnson

Node-Express-Gmaps - Day I Lab Solution Lecture w/Ivan Mora

LECTURE w/TAs

Day 43: Fri, Mar. 9

Sprint Challenge Repository on GitHub: Node

Sprint Challenge Review w/Ivan Mora

Week 10: Mar. 12 - 16

MongoDB w/Luis Hernandez

Installation

  1. MongoDB Installation Docs - follow the instructions to install the Community Edition for your platform
  1. Robo 3T - Graphical User Interface tool for MongoDB
  1. MongoDB Compass - Graphical User Interface tool created by the developers of MongoDB, install the Community Edition.
  1. MongooseJS - MongoDB Object Document Mapper for Node.js
  1. MongooseJS documentation on Queries
  1. MongoDB documentation on Queries

Assignments

Day 44: Mon, Mar. 12

Code Challenge 33: Reverse Linked List w/Matt Jackson

Guided Demo 1 w/Luis Hernandez

Windows Install Troubleshooting w/Luis Hernandez

Day 45: Tue, Mar. 13

Code Challenge 34: Binary Array Sort In Linear Time w/SPEAKER

Guided Demo 2 w/Luis Hernandez

Day 46: Wed, Mar. 14

Code Challenge 35: Linked List Cycle w/SPEAKER

Guided Demo 3 - Relationships w/Luis Hernandez

Day 47: Thu, Mar. 15

Code Challenge 36: Balanced Brackets w/SPEAKER

Guided Demo 4 - Importing data, linking and queries w/Luis Hernandez

Review and Q&A w/Luis Hernandez

Day 48: Fri, Mar. 16

Sprint Challenge Repository on GitHub: Mongo

Sprint Challenge Review w/Luis Hernandez

Week 11: Mar. 19 - 23

Client Authentication w/Ryan Hamblin

Assignments

Day 49: Mon, Mar. 19

Code Challenge 37: Get All Product Except At Index w/Patrick Kennedy

Authentication with BCrypt Middleware and Sessions w/Ryan Hamblin

Auth-Mini Solution + QA w/Ryan Hamblin

Day 50: Tue, Mar. 20

Code Challenge 38: Largest Difference w/Matthew Jackson

Auth/pre hooks and methods and RegEx 'lite' w/Ryan Hamblin

Day 51: Wed, Mar. 21

Code Challenge 39: Armstrong Numbers w/Tyge Johnson

Cors w/Ryan Hamblin

Discusson And Demo on HOC w/Ryan Hamblin

Day 52: Thu, Mar. 22

Code Challenge 40: Route Between Nodes w/Manisha Lal

Client Auth w/ Sessions SOLUTION w/Ryan Hamblin

JSON Web Tokens w/Ryan Hamblin

Day 53: Fri, Mar. 23

Sprint Challenge Repository on GitHub: Authentication

Auth - Sprint Challenge Solution w/Ryan Hamblin

Brown Bag w/Ryan Hamblin: Imposter Syndrome

Week 12: Mar. 26 - 30

Testing w/Sean Chen

Assignments

Day 54: Mon, Mar. 26

Code Challenge 41: Sum And Product w/Matt Jackson

Client-Side Testing Lecture w/Sean Chen

Client-Side Testing Q&A w/Sean Chen

Day 55: Tue, Mar. 27

Code Challenge 42: Chained Functions w/Tyge Johnson

React Testing Lecture w/Sean Chen

Day 56: Wed, Mar. 28

Code Challenge 43: Stack Machine w/Satish Vatikuti

Server Testing Lecture w/Sean Chen

Server Testing Q&A on before() and after() w/Sean Chen

Day 57: Thu, Mar. 29

Code Challenge 44: Prime Reduction w/Manisha Lal

Server-Testing Solution Lecture w/Sean Chen

Day 58: Fri, Mar. 30

Sprint Challenge Repository on GitHub: Testing

Brown Bag w/Leon Bates: Refactoring .then, async, & await

Sprint Challenge -- Testing Solution Lecture w/Sean Chen

Month 4: April, 2018

Week 13: Apr. 2 - 6

Project Week - Back End Project w/Sean Chen

Assignments

Day 59: Mon, Apr. 02

Backend Project Week Kickoff w/Sean Chen

Day 60: Tue, Apr. 03

Backend Week instructor Session 1: How to Think about Code Challenges w/Sean Chen

Basic MongoDB Schema and Express Server w/Patrick Kennedy

Day 61: Wed, Apr. 04

Backend Project Week Instructor Session 2 w/Sean Chen

Brown Bag w/Leon Bates: Refactoring .then, async, & await

Day 62: Thu, Apr. 05

Backend Project Week Instructor Session 3 w/Sean Chen

Day 63: Fri, Apr. 06

CS7 Back End Project Demo w/Sean Chen

Week 14: Apr. 9 - 13

Computer Architecture w/Beej Jorgensen

Assignments

Day 64: Mon, MON. 9

Code Challenge ##: Deep Equality w/Patrick Kennedy

Computer Architecture #1 w/Beej Jorgensen

Day 65: Tue, MON. 10

Code Challenge ##: CODE_CHALLENGE w/Tyge Johnson

LECTURE w/Beej Jorgensen

Day 66: Wed, MON. 11

Code Challenge ##: CODE_CHALLENGE w/Matt Jackson

LECTURE w/Beej Jorgensen

Day 67: Thu, MON. 12

Code Challenge ##: CODE_CHALLENGE w/TBD

LECTURE w/Beej Jorgensen

Day 68: Fri, MON. 13

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC <---- Eileen Introduction to C Pointers

Sprint Challenge Review w/Beej Jorgensen

Week 15: Apr. 16 - 20

Intro to C and Operating Systems w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 16: Apr. 23 - 27

Processes, System Calls, and Scheduling w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Month 5: May, 2018

Week 17: Apr. 30 - May 4

Theory of Computation/Algorithms w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 18: May. 7 - 11

Graphs w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 19: May. 14 - 18

Security/Cellular Automata/Capstone Prep w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 20: May. 21 - 25

Python/Django I w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Month 6: June, 2018

Week 21: May. 29 - Jun. 1

Python/Django II/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Memorial Day

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 22: Jun. 4 - 8

Python/Django III/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 23: Jun. 11 - 15

Capstone (Progress Demo 1)/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 24: Jun. 18 - 22

Capstone (Progress Demo 2)/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Month 7: July, 2018

Week 25: MON. 25 - 29

Capstone (Brown Bag)/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Sprint Challenge Repository on GitHub: NEW_SPRINT_CHALLENGE

Brown Bag w/SPEAKER: TOPIC

Sprint Challenge Review w/SPEAKER

Week 26: Jul. 2 - 6

HACKATHON #2

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

LECTURE w/SPEAKER

Day ##: Tue, MON.

LECTURE w/SPEAKER

Day ##: Wed, MON.

Hackathon 2: Presentations w/SPEAKER

Day ##: Thu, MON. ## - BREAK

Day ##: Fri, MON. ## - BREAK

Week 27: Jul. 9 - 13

Capstone(Final/Public Demo)/Career Development w/INSTRUCTOR

  • Pre-Class video:

Assignments

  • GitHub Repositories

Day ##: Mon, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Tue, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Wed, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Thu, MON.

Code Challenge ##: CODE_CHALLENGE w/SPEAKER

LECTURE w/SPEAKER

Day ##: Fri, MON.

Final Hoorah! w/SPEAKER: TOPIC

Publc Demo w/SPEAKER

Code Challenges

Consecutive Strings Solution

/*
  You are given an array of strings called arr and an integer k.
  Your task is to return the longest string consisting of k consecutive
  strings from the array.

  n being the length of the string array, if n = 0 or k > n or k <= 0 return "".
 */

function longestConsecutive(arr, k) {
  // n being the length of the string array, if n = 0 or k > n or k <= 0 return "".
  // n = arr.length
  if (arr.length === 0 || arr.length < k || k <= 0) return '';

  // return the longest string consisting of k consecutive strings from the array.
  return arr
    .map((value, index) => (
      arr.slice(index, index + k).join('')
      ))
    .reduce((longest, current) => (current.length > longest.length) ? current : longest);
}

// TEST SUITE - swEEt!
// console.log(longestConsecutive([], 1), "empty string")      // <--- '' - arr.length === 0
// console.log(longestConsecutive(["one"], 2), "empty string") // <--- '' - arr.length < k
// console.log(longestConsecutive(['something'], -1), "empty string")     // <--- '' - k <= 0

// const array = ['1', '22', '333', '55555', '4444', 'xx', '666666', 'ggg', 'q', 'kk'];
// console.log(array.length);      // <--- 10
// console.log(array.slice(3, 6)); // <--- [ '55555', '4444', 'xx' ]
// console.log(array.join(''));    // <--- 122333555554444xx666666gggqkk
// console.log(array.map((value, index) => (array.slice(index, index + 2).join('')))); // <--- ugly
// console.log(array.reduce((longest, current) => current.length > longest.length ? current : longest)); // <--- six sixes


// console.log(longestConsecutive(["zone", "abigail", "theta", "form", "libe", "zas"], 2)) // <--- "abigailtheta"
// console.log(longestConsecutive(["zone", "abigail", "theta", "antidisestablishmentarianism", "form", "libe", "zas"], 3)) // <--- abi theta anti
// console.log(longestConsecutive(["zone", "abigail", "theta", "antidisestablishmentarianism", "capybara", "form", "libe", "zas"], 3)) // <--- theta anti capy

/*
 RESOURCES: google search "MDN {method name}", W3 schools, Free Code Camp
 ARRAY METHODS
 SLICE: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
 JOIN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join
 MAP: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map
 REDUCE: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce
 ALSO GOOD: https://medium.freecodecamp.org/reduce-f47a7da511a9
 */

Truth Table: Inclusive Or

  • If ANY one of the variables evaluates to true, then the entire proposition evaluates to true.
  • There are three terms: phi, psi & fry.
  • Each term has two possible states: true or false.
  • The total number of possible combination of three terms which each have two possible states is...?
  • Number of states (either true or false) raised to the power of the number of terms (phi, psi & fry), i.e. 23, or (2 * 2 * 2), a.k.a. eight:
# phi psi fry "phi inclusive_or psi inclusive_or fry"
1) T T T True
2) T T F True
3) T F T True
4) T F F True
5) F T T True
6) F T F True
7) F F T True
8) F F F False

Exclusive Or (with only two terms)

  • Just a quick explanation of the difference between exclusive and inclusive or logic.
  • An exclusive "or" operator evaluates to true when ONLY one of the terms (operands) is true.
  • i.e. "I will have either a cheese burger, or pizza, but not both"
Φ Ψ "Φ exclusive_or Ψ"
T T False
T F True
F T True
F F False

Sum Of Digits Solutions

/*
 * Sum Of Digits
 * Write a function called sumOfDigits that given a positive integer, returns the sum of its digits.
 * Assume all numbers will be positive.
 *
 * Input: 23  >>>function>>> Output: 5
 * Input: 496 >>>function>>> Output: 19
*/

// SOLUTION 1 - everyone loves for loops!
function sumOfDigits (num) {
  const integerStrings = ('' + num).split(''); // does the same thing as the next line
  // const integerStrings = String(num).split(''); // I find this reads better
  console.log(typeof(integerStrings)) // <--- 'object' (JA arrays are objects - Everything Is Objects!!!)

  const len = integerStrings.length;
  console.log(integerStrings);        // <--- should return an array of strings

  // declaring variables to be used in the for loop
  let i = 0,
    sum = 0;

  // For-Loop Love!
  for (i; i < len; i++) {
    sum += Number(integerStrings[i]); // <--- turns the strings into type: integers
    console.log(sum);                 // <--- sum of adding up all ints in the array of ints
  }

  return sum;
}

// SOLUTION 2 - using map() and reduce()
function sumOfDigits (num) {
  const stringIntegers = String(num).split('');
  console.log(`strInts.len: ${stringIntegers.length} & the strInts ${stringIntegers} are: ${typeof(stringIntegers[0])}`);

  const integers = stringIntegers.map(num => Number(num));
  console.log(`integers: ${integers} are: ${typeof(integers[0])}`);

  const sum = integers.reduce((sum, n) => sum + n, 0);
  return sum;
}

// CS1 MODEL SOLUTION - w/dot chaining
function sumOfDigits(num) {
  const digits = (String(num)).split('')
    .map(num => parseInt(num))
    .reduce((sum, n) => sum + n);
  return digits;
}

// MODEL SOLUTION - just return it!
function sumOfDigits(num) {
  return (String(num)).split('')
    .map(num => parseInt(num))
    .reduce((sum, n) => sum + n);
}

/* eslint no-console: 0 */
// TEST SUITE
const x = 12345;
console.log(sumOfDigits(x));           // ~~~> 15
console.log(sumOfDigits(23));          // ~~~> 5
console.log(sumOfDigits(496));         // ~~~> 19
console.log(typeof(sumOfDigits(496))); // ~~~> number
console.log(typeof(Number(x)));        // <--- number
console.log(typeof(String(x)));        // <--- string
console.log(typeof(parseInt(x)));      // <--- number
console.log(String(x).split(''));      // <--- [ '1', '2', '3', '4', '5' ]

To Binary Strings

/*
Given a positive (or 0) number, return a string of 1's and 0's representing it's binary value:

toBinaryString(6) should return "110" (no leading 0).

Use of the native method number.toString(2);  is disallowed.
*/

// A console.log() heavy solution
function toBinaryString(number) {
  let r = '';
  while (number > 0) {
    console.log(`number starts: ${number}`);
    const bit = (Math.floor(number % 2) !== 0) ? '1' : '0';
    console.log(`bit          : ${bit}`);
    r = bit + r;
    console.log(`the return is: ${r} <--- it's GROWING`);
    number = Math.floor(number / 2);
    console.log(`number is now: ${number}\n`);
    }
  console.log('COUNTING IN BINARY IS SO MUCH FUN!!!!!');
  return r;
}

// // Satish
// function toBinaryString(number) {
//   if (number === 0) return 0;
//   let res = '';
//   while (number > 0) {
//     res = (number % 2) + res;
//     number = Math.floor(number / 2);
//   }
//   return res;
// }

// // Repli.it Model Solution
// function toBinaryString(number) {
//   let r = '';
//   while(number > 0) {
//     r = number % 2 + r;  // r is number remainder 0 or 1 in string
//     number >>= 1;        // number >>= 1; what does that mean
//   }
//   return r || "0";
// }

// TEST SUITE
// console.log(toBinaryString(0));  // <--- 0
// console.log(toBinaryString(1));  // <--- 1
// console.log(toBinaryString(2));  // <--- 10
// console.log(toBinaryString(3));  // <--- 11
// console.log(toBinaryString(4));  // <--- 100
// console.log(toBinaryString(5));  // <--- 101
// console.log(toBinaryString(6));  // <--- 110
// console.log(toBinaryString(7));  // <--- 111
// console.log(toBinaryString(8));  // <--- 1000
// console.log(toBinaryString(9));  // <--- 1001
// console.log(toBinaryString(10)); // <--- 1010
// console.log(toBinaryString(11)); // <--- 1011
// console.log(toBinaryString(12)); // <--- 1100
console.log(toBinaryString(13)); // <--- 1101
// console.log(toBinaryString(14)); // <--- 1110
// console.log(toBinaryString(15)); // <--- 1111
// console.log(toBinaryString(16)); // <--- 10000

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