Start.dev Blog, Page 2
Build logs, deep dives, and practical lessons on learning to code and shipping real software in the AI era from the Start.dev team and instructors.
A Python lambda is a small function written as one expression. See the syntax, how it powers sorted(), max() and min(), and when def is clearer.
Ariel Weinberger · 5 min read
A one-hour coding practice you can repeat on a weeknight: recall, one exercise you write, a short note, and a start line for tomorrow.
Ariel Weinberger · 7 min read
Python input() always returns a string. Learn to convert it, catch bad answers, ask again in a loop, and reuse that in a function.
Ariel Weinberger · 6 min read
Interactive platforms where you can write and run Python in the browser in 2026, with nothing to install, and who each one suits.
Ariel Weinberger · 9 min read
Codédex is a playful sampler of many languages. Start.dev goes deep on the whole web stack, with challenges, AI at every step and a study advisor.
Ariel Weinberger · 8 min read
A practical order for learning React: components, then props, then state. You will know what to practice first and what can wait.
Ariel Weinberger · 6 min read
See what changes after React: which file is a page, when a component needs the browser, and why a notes list can skip useEffect.
Ariel Weinberger · 7 min read
Turn a for loop that builds a new list into one line. You will curve scores, keep the ones that pass, and fix the syntax error beginners hit.
Ariel Weinberger · 8 min read
Intermediate Python and Building APIs with FastAPI are live. See who each course is for, and how Python for Beginners, SQL, and Git fit beside them.
Ariel Weinberger · 4 min read
A practical roadmap for getting your first developer job without a computer science degree: what to learn, what to build, and how to apply and interview.
Ariel Weinberger · 5 min read
Stuck watching tutorials but unable to build alone? Learn the four causes of tutorial hell, how start.dev solves each, and a weekly routine to break out.
Ariel Weinberger · 6 min read
Prepare for a junior React interview: the core concepts to explain, the coding tasks to practise, and short example answers for state, props, effects and lists.
Ariel Weinberger · 5 min read
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