Heidi Puk Hermann

Heidi Puk Hermann

Berlin, BE, Germany

Skills & Experience

  • Company

    Nodes Agency

  • Job Title

    Vapor Developer

  • Spoken Languages

    • Danish
    • English
    • German

428 Achievements

  • Merge Sort and Linked Lists
  • The Merge Sort Algorithm
  • Common Commands
  • Directories and Files
  • Day 3: Getting Creative
  • Day 2: Advanced Selecting
  • Day 1: Joining Tables
  • Orientation: Selecting Data
  • Moving Beyond the Blog
  • Finding Business
  • Creating Content
  • Subqueries
  • Introduction to Blogging
  • Set Operations
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • The Command Shell
  • Database Normalization
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Python: Inheritance
  • Python: Instant Objects
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Writing a Classifier
  • Build an Application
  • Using Lists
  • Meet Lists
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Machine Learning Vocabulary
  • Introduction to Machine Learning
  • How to Critique Design
  • Deleting and Updating Data
  • Fetching Data Using Fetch Requests
  • Inserting and Saving Data Using a Context
  • Understanding the Core Data Stack
  • Building a Linked List
  • Exploring Arrays
  • Error Handling
  • Dynamic Keys and Inheritance
  • Parsing Different JSON Structures
  • Parsing to Non-Primitive Types
  • An Overview of Codable
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Adding the Game Logic
  • Making the Game Interactive
  • Rendering the Game
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Applying IA
  • Evaluating IA
  • Main Principles
  • What is Information Architecture?
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Working By Yourself
  • Hello, GitHub!
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • WordPress User Roles
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • Installing WordPress Locally
  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Recursion and Space Complexity
  • Algorithms in Code
  • Time Complexity
  • Playing a Counting Game
  • Big Data at Netflix
  • Where and How Big Data Is Used
  • What is Big Data
  • Getting the REST You Need 2
  • Dockerize a Web App
  • Managing Images and Containers
  • Building Images Using Dockerfiles
  • Fundamentals of Docker
  • Docker Use Cases
  • S3 Storage Service
  • AWS and "The Cloud"
  • Optimization Best Practices
  • Asset Optimization
  • Why Web Performance Matters
  • Chrome DevTools Basics
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Testing for Accessibility
  • Mobile Accessibility
  • Accessible UI Patterns
  • Semantic HTML and WAI-ARIA
  • WCAG 2.0 (and Other Standards)
  • Access for Everybody
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Build a Spreadsheet
  • Spreadsheet Best Practices
  • Spreadsheet Functions & Formulas
  • Getting Started With Spreadsheets
  • Introducing Spreadsheets
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • JavaScript Objects and Conditionals
  • JavaScript Arrays and Loops
  • JavaScript Functions
  • Data Types and Variables
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Building a Flashcard App
  • Sweeping Vues: Loops, Methods, Directives
  • What a Beautiful Vue!
  • Introducing Vue
  • What Is WordPress?
  • Security: Solutions
  • Security: Concerns
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Reformatting User Input
  • Validating a Form with Regular Expressions
  • Regular Expressions
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Lists, Code, Links and Images
  • Understanding Markdown
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Web Apps
  • Websites
  • Introduction
  • Telling the Story
  • Designing for your User’s "To-be"
  • Understanding your User’s “As-is” Scenario
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • JavaScript Frameworks, Libraries, and Developer Roles
  • JavaScript Outside of the Browser
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Add Reusable Logic to Your Sass
  • Write Smart and Efficient CSS with Sass
  • Improve Your Workflow with Sass
  • Getting Started with Sass
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Callbacks and the DOM
  • Callbacks with Timers
  • Introduction to Callback Functions
  • Practice forEach
  • Combining Array Methods
  • Array Manipulation
  • Array Iteration
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Finishing the Game
  • Introducing JavaScript
  • The Design Solution
  • The Design Problem
  • Design Principles
  • What is Product Design?
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • Working with a Developer
  • Designing our App
  • Wireframing, Interaction Design and Planning
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Color Theory
  • Principles
  • Elements
  • Downloading Album Artwork
  • Requesting Real Data
  • Enhancing the iTunes Endpoint
  • URLs and Parameter Encoding
  • Building the User Interface
  • Modeling iTunes Search Results
  • The Logo Sprint
  • Logo Design 101
  • Decoupling the Data Source
  • Sorting Contacts Into Sections
  • Static Table Views for Detail Interfaces
  • Displaying Contact Data
  • A High Level Overview
  • Dark Sky API Client
  • Downloading JSON Data Asynchronously
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Adding Sound Effects
  • Personalizing The Story
  • Refactoring Our Code
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through An Adventure
  • Simple Mobile Interface
  • Exporting Designs
  • Sketch Features
  • Introducing Sketch
  • Going Further with Grid Layout
  • Flexible Sized Grids
  • Introducing Grid Layout
  • Final Project: Create a Typographic Site
  • Laying Out Type for the Web
  • Basic Web Typography
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • Keyframe and Line Drawing Animations
  • Transitions and Transforms
  • Adding 3D Effects with CSS
  • Getting Started with CSS Transforms
  • Transition Timing Functions and Delays
  • Getting Started with CSS Transitions
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Captioning Video
  • Media Basics
  • Creating an SVG
  • Introduction to SVG
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Error Handling and Memory Management
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Generics and Protocols
  • Generic Types
  • Generic Functions, Parameters and Constraints
  • Using the Delegate Pattern in iOS
  • The Delegate Pattern
  • Access Control
  • Memory Management in Swift
  • Extensions and Protocols
  • What is the MailChimp API
  • Value Semantics, Type Methods and Inheritance
  • Getting the REST You Need
  • Object Initialization
  • Website Basics
  • DNS Basics
  • Graphic Basics
  • Properties
  • Writing Great Swift
  • Design Patterns
  • Page Layout
  • Exploration
  • Discovery
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling an Interface
  • Error Handling
  • Creating Flexible Objects Using Protocols
  • Protocol Basics
  • Treehouse Club - JavaScript
  • Treehouse Club - CSS
  • Welcome to the Treehouse Club
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • Running Apps on a Device
  • Improving Our User Interface
  • WWW
  • The Internet
  • Structs As Data Models
  • View Controllers and Views
  • Getting Started with iOS Development
  • Differentiating Between Objects
  • Class Inheritance
  • Computer Languages
  • Computer Basics
  • Classes in Swift
  • Complex Data Structures
  • Adding Power to Functions
  • Functions in Swift
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Newbie