created 1-welcome

Author: willrstern

1-welcome/Introduction.yaml

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+Who am I?:
+- Will Stern
+- Full-time developer for over 13 years
+- Full-time with Node.js for over 5 years
+
+What this course will cover:
+- Intro to Node.js
+  - What is Node.js?
+    - Javascript on the machine
+    - A runtime for Google Chrome's V8 Javascript engine
+  - What is Node.js used for?
+    - Build Tools and Utilities
+    - Web Applications / Web Services
+  - What is it good at?
+    - Lightweight Applications all the way up to very large
+    - High Concurrency
+    - Asyncronous Actions/Requests/non-blocking
+    - Realtime Communication
+    - Isomorphic Applications - shared code between server and client
+  - Basics of Node.js Programming
+  - Using Node.js Build Tools and Utilities
+  - Building Web Applications With Node.js
+  - Working with databases:
+    - MySQL
+    - MongoDB
+    - Redis
+  - Authentication and Authorization
+  - Realtime Communication with Node.js
+  - Deploying and Monitoring Node.js Applications
+  - Advanced Node.js Techniques - Making Node Shine

1-welcome/calc.js

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+var math = require('./math');
+
+var command = process.argv[2];
+var arguments = process.argv.slice(3).map(function(arg) {
+  return parseFloat(arg);
+});
+
+if (math[command]) {
+  console.log("running:", command);
+  console.log(math[command].apply(math, arguments));
+} else {
+  console.log("command " + command + " not found!");
+  console.log("allowed commands are: ", Object.keys(math).join(', '));
+}

1-welcome/math.js

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+module.exports = {
+  add: function(x, y) {
+    return x+y;
+  },
+  subtract: function(x, y) {
+    return x-y;
+  },
+  squareRoot: function(x) {
+    return Math.sqrt(x);
+  }
+};