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Spyros Argalias

Front end developer specialising in JavaScript and React. Experienced in all aspects of modern front end development. Passionate about making accessible, secure and performant software.

Milton Keynes, UK Joined on Dec 30, 2018 sargalias@gmail.com https://programmingduck.com

Programming Duck

HTML,
CSS,
JavaScript, React, Redux,
Webpack, Babel,
Jest, Cypress,
PWAs,
Storybook,
Node, Express, GraphQL,
CI,
Git,
Security,
Accessibility,
Performance,
Agile,
Google analytics, SEO

Software architecture and paradigms. Traditional OOP, MVC, VDOM, other alternatives.

Contact me for anything regarding:
- clean code and programming principles
- the software development process and working as a developer
- functional programming

41 posts published

240 comments written

25 tags followed

Pinned

Spyros Argalias for Programming Duck

May 14 '21

Clean code & programming principles – The ultimate beginner’s guide

#programming #javascript #webdev #codenewbie

36 min read

Spyros Argalias for Programming Duck

Apr 26 '21

How to write clean code units (functions and methods)

#programming #learning #javascript #webdev

16 min read

Spyros Argalias for Programming Duck

Feb 17 '21

How to make accessible websites - The ultimate guide

#a11y #webdev #programming #javascript

8 min read

Spyros Argalias for Programming Duck

Feb 7 '21

How to learn web accessibility

#a11y #webdev #programming #frontend

7 min read

Spyros Argalias for Programming Duck

Apr 12 '20

How to learn web application security

#security #webdev #devops #javascript

4 min read

Spyros Argalias for Programming Duck

Jan 16 '22

Defensive & offensive programming

#javascript #webdev #programming #coding

13 min read

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Spyros Argalias for Programming Duck

Jan 1 '22

Nulls and null checks - How to work safely with nulls in any codebase

#javascript #webdev #programming #coding

11 min read

Spyros Argalias for Programming Duck

Dec 29 '21

Exceptions vs error values

#javascript #webdev #programming #coding

7 min read

Spyros Argalias for Programming Duck

Nov 19 '21

Best practices for error catching and handling

#javascript #webdev #programming #coding

9 min read

Spyros Argalias for Programming Duck

Nov 9 '21

Error recording - How to record errors in your application to debug later

#javascript #webdev #programming #devops

3 min read

Spyros Argalias for Programming Duck

Nov 2 '21

How to respond to errors - Crashing, ignoring, recovering and their use cases

#programming #webdev #javascript #learning

7 min read

Spyros Argalias for Programming Duck

Jun 21 '21

Naming (in code) - The ultimate guide and reference

#programming #learning #beginners #webdev

23 min read

Spyros Argalias for Programming Duck

Jun 1 '21

Carousel slider tutorial with HTML, CSS and JavaScript

#javascript #tutorial #codenewbie #a11y

12 min read

Spyros Argalias for Programming Duck

May 4 '21

Challenge - Function that only runs with no arguments (intermediate / advanced functional programming)

#programming #functional #learning #javascript

6 min read

Spyros Argalias for Programming Duck

Feb 2 '21

Why you must know about web accessibility

#a11y #webdev #programming #frontend

4 min read

Spyros Argalias

Apr 19 '20

Principles of testing for developers

#testing #programming #development #codequality

16 min read

Spyros Argalias

Mar 29 '20

This binding in JavaScript – 6. Gotchas and final notes

#javascript #webdev #tutorial #learning

3 min read

Spyros Argalias

Mar 28 '20

This binding in JavaScript – 5. Arrow functions

#javascript #webdev #tutorial #learning

3 min read

Spyros Argalias

Mar 27 '20

This binding in JavaScript – 4. New binding

#javascript #webdev #tutorial #learning

2 min read

Spyros Argalias

Mar 24 '20

This binding in JavaScript - 3. Explicit binding

#javascript #webdev #tutorial #learning

2 min read

Spyros Argalias

Mar 23 '20

This binding in JavaScript - 2. Implicit binding

#javascript #webdev #tutorial #learning

2 min read

Spyros Argalias

Mar 22 '20

This binding in JavaScript - 1. Default binding

#javascript #webdev #tutorial #learning

2 min read

Spyros Argalias

Mar 11 '20

When not to apply programming principles

#programming #webdev #learning #development

4 min read

Spyros Argalias

Mar 10 '20

Why code changes are error prone

#programming #webdev #learning #development

4 min read

Spyros Argalias

Mar 7 '20

Programming first principles - 13. Side effects

#programming #webdev #learning #development

17 min read

Spyros Argalias

Mar 6 '20

Programming first principles - 12. First principle - Abstraction

#programming #webdev #learning #development

8 min read

Spyros Argalias

Mar 5 '20

Programming first principles - 11. First principle - Separation of concerns

#programming #webdev #learning #development

18 min read

Spyros Argalias

Mar 4 '20

Programming first principles - 10. First principle - Principle of least knowledge

#programming #webdev #learning #development

11 min read

Spyros Argalias

Mar 3 '20

Programming first principles - 9. First principle - Principle of least astonishment

#programming #webdev #learning #development

4 min read

Spyros Argalias

Mar 2 '20

Programming first principles - 8. First principle - Proof that code works

#programming #webdev #learning #development

1 min read

Spyros Argalias

Mar 1 '20

Programming first principles - 7. Premise - Complexity increases exponentially with scale

#programming #webdev #learning #development

1 min read

Spyros Argalias

Feb 29 '20

Programming first principles - 6. Premise - Minimize propagating changes throughout the system

#programming #webdev #learning #development

1 min read

Spyros Argalias

Feb 28 '20

Programming first principles - 5. Premise - We must understand what we're doing

#programming #webdev #learning #development

2 min read

Spyros Argalias

Feb 27 '20

Programming first principles - 4. Premise - Minimal information

#programming #webdev #learning #development

1 min read

Spyros Argalias

Feb 26 '20

Programming first principles - 3. Requirements of software

#programming #webdev #learning #development

2 min read

Spyros Argalias

Feb 26 '20

Programming first principles - 2. Audience - Who this series is for

#programming #webdev #learning #development

2 min read

Spyros Argalias

Feb 24 '20

Programming first principles - 1. Purpose - What this series is about

#programming #webdev #learning #development

4 min read

Spyros Argalias

Feb 3 '20

Why you should use semantic naming in CSS

#css #webdev #frontend #learning

3 min read

Spyros Argalias

Jan 23 '19

Layout in CSS

#css #webdev #frontend #learning

11 min read

Spyros Argalias

Jan 10 '19

The top 5 CSS gotchas, and a few bonus...

#css #webdev #frontend #learning

10 min read

Spyros Argalias

Dec 30 '18

How to Learn Web Development

#webdev #fullstack #frontend #javascript

12 min read

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