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Zach Gulde zgulde

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zgulde / readme.md
Last active May 6, 2018 13:07

Updating cods from 1.0 to 1.2

  1. brew upgrade cods

    This updates the cods command to the newest version.

  2. cods update

    This updates your myserver (or whatever you named it) command to the newer version.

@zgulde
zgulde / validation.md
Last active April 10, 2018 16:24
a strategy for user input validation in a servlet/jsp application

In the servlet

usersDao = DaoFactory.getUsersDao();
// Create a user based on the submitted information
User newUser = new User(
    request.getParameter("username"),
    request.getParameter("email"),
    request.getParameter("password")
);
@zgulde
zgulde / StackTraceExample.java
Created April 3, 2018 20:58
Example of Java Stack Traces
public class StackTraceExample {
private static void a() throws Exception {
b();
}
private static void b() throws Exception {
c();
}
private static void c() throws Exception {
@zgulde
zgulde / bonus-db-setup.md
Created March 20, 2018 21:12

Bonus DB Setup

  1. Download the sql file

    wget http://downloads.mysql.com/docs/world.sql.gz

  2. Uncompress the file

@zgulde
zgulde / extra-function-drills.md
Created March 20, 2018 14:19

Extra function drills

For each of the problems below, write your function and console.log to check your work. While it is good to console.log to help debug, console.logs should not be in the completed function, unless otherwise explicitly stated.

  • Write a function named identity that defines one parameter and returns the argument it was called with.

  • Write a function named isOdd that accepts a number and returns true if the

@zgulde
zgulde / PrettyPrinter.java
Last active March 14, 2018 15:47
public class PrettyPrinter {
private static boolean bold = true;
public static void main(String[] args) {
System.out.println("Bold");
PrettyPrinter.red("red");
PrettyPrinter.green("green");
PrettyPrinter.yellow("yellow");
PrettyPrinter.blue("blue");
PrettyPrinter.purple("purple");
@zgulde
zgulde / deployment.md
Last active January 24, 2018 17:51

Deployment Post Script

  • [Enable Https for your site and setup the certificates to automatically be renewed][1]
  • Wrt troubleshooting deployment issues Steps:
    1. Does it work locally? Try running/packaging/debugging your app locally (i.e. on your mac) first before worrying about issues in production.
  1. Have you pushed? Inspect the output when you push, are there any errors?
@zgulde
zgulde / order-pizza-bs4.html
Last active January 18, 2018 15:26
Codeup Pizza Ordering form exercise with Bootstrap v4
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="x-ua-compatible" content="ie=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<title>Order Online</title>
<!-- Styles -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" integrity="sha384-Zug+QiDoJOrZ5t4lssLdxGhVrurbmBWopoEl+M6BdEfwnCJZtKxi1KgxUyJq13dy" crossorigin="anonymous" />
@zgulde
zgulde / 01-README.md
Last active December 19, 2017 02:32 
curl -Ss https://gist.githubusercontent.com/zgulde/e38f818c5222293e94fa78d8540330ae/raw/514eb6ae088c0b7467186bf2141684623528d868/print-tomcat-version.sh | bash
@zgulde
zgulde / convert-jpgs.sh
Created December 5, 2017 05:32
# sudo apt-get install -y imagemagick pngquant
for jpg in $(ls *.JPG) ; do
png=${jpg/%.JPG/.png}
echo "converting and compressing '$jpg' to '$png'..."
convert $jpg -strip -resize 15% $png
echo "optimizing '$png'..."
pngquant --output $png --force --quality 0-25 $png
done