Cassidoo.co is the personal blog of Cassidy Williams, a well known developer, speaker, and educator who writes about JavaScript, React, career growth, web development, dev tools, and learning in public. Her posts mix technical insights with approachable explanations, covering topics like UI patterns, coding tips, productivity workflows, and the human side of software engineering. Cassidy is known for her weekly newsletter, open-source work, and community involvement.
167 articles from this blog
A developer humorously shares their Valentine's Day plans: attending a 48-hour hackathon (PennApps) instead of traditional celebrations.
A beginner-friendly tutorial covering HTML basics, tag structure, text formatting, and essential web development concepts for absolute beginners.
Part 2 of an HTML and CSS tutorial for beginners, covering CSS basics, selectors, and styling techniques.
A beginner's guide to designing and building your first iPhone app, covering tools, planning, and learning resources.
A guide for college students on building professional networks, focusing on tech careers through LinkedIn, personal websites, clubs, and internships.
A student's experience at PennApps, the largest student hackathon, where they built a universal uploader app for SoundCloud.
A student recounts her experience attending the White House Tech Inclusion Summit, speaking about women in tech and computer science education.
