Just migrated it from Codepen.io to markdown. Credit goes to David Conner.
| Working with DOM | Working with JS | Working With Functions |
|---|---|---|
| Accessing Dom Elements | Add/Remove Array Item | Add Default Arguments to Function |
| Grab Children/Parent Node(s) | Add/Remove Object Properties | Throttle/Debounce Functions |
| Create DOM Elements | Conditionals |
Magic words:
psql -U postgresSome interesting flags (to see all, use -h or --help depending on your psql version):
-E: will describe the underlaying queries of the \ commands (cool for learning!)-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
| # Login via SSH with password (LOCAL SERVER) | |
| > ssh brad@192.168.1.29 | |
| # Create folder, file, install Apache (Just messing around) | |
| mkdir test | |
| cd test | |
| touch hello.txt | |
| sudo apt-get install apache2 | |
| # Generate Keys |
| for (var i=1; i <= 20; i++) | |
| { | |
| if (i % 15 == 0) | |
| console.log("FizzBuzz"); | |
| else if (i % 3 == 0) | |
| console.log("Fizz"); | |
| else if (i % 5 == 0) | |
| console.log("Buzz"); | |
| else | |
| console.log(i); |
| function isPrime(n, hn) { | |
| if (hn === 0 || n === 1) { | |
| return true; | |
| } | |
| hn = hn || parseInt(n / 2); | |
| if (n % hn === 0 && hn !== 1) { | |
| return false; | |
| } else { | |
| return isPrime(n, hn - 1); | |
| } |
| function isPrime(n, hn) { | |
| if (hn === 0 || n === 1) { | |
| return true; | |
| } | |
| hn = hn || parseInt(n / 2); | |
| if (n % hn === 0 && hn !== 1) { | |
| return false; | |
| } else { | |
| return isPrime(n, hn - 1); | |
| } |
| function median(values) { | |
| values.sort( function(a,b) {return a - b;} ); | |
| var half = Math.floor(values.length/2); | |
| if(values.length % 2) | |
| return values[half]; | |
| else | |
| return (values[half-1] + values[half]) / 2.0; |