LeetCode
HackerRank
Project Euler
Codewars
CodeForces
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interviewing.io
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99designs
Upwork
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Fiverr
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LeetCode
99designs99designs is highly recommended for small to medium-sized businesses, startups, and individuals seeking quality design work and willing to invest in a competitive design process. It's also suitable for freelance designers looking for new opportunities and willing to participate in design contests to showcase their skills.
LeetCode is the best platform to help people practice solving coding problems and prepare for technical interviews. The main users are software engineers. LeetCode has over 1,900 questions covering many different programming concepts.
Based on our record, LeetCode seems to be a lot more popular than 99designs. While we know about 543 links to LeetCode, we've tracked only 28 mentions of 99designs. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and system design explanations Coding practice LeetCode Https://leetcode.com Core DSA practice and timed coding drills Coding explanations NeetCode Https://neetcode.io Pattern-based... - Source: dev.to / about 1 month ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / about 1 month ago
Your preparation should not be random. Platforms like LeetCode, Codeforces, and GeeksforGeeks are toolsโbut what matters is how you use them. - Source: dev.to / 2 months ago
Bash /path/to/chrome-launcher.sh email001@gmail.com https://leetcode.com. - Source: dev.to / 3 months ago
AI-Powered Learning Tools: Consider using AI-driven platforms like Khan Academy or LeetCode that can personalize your learning experience based on your progress and skill level. - Source: dev.to / 9 months ago
Https://99designs.com has contest-like feature for designers. I was satisfied with the results when I used them 10 years ago. - Source: Hacker News / almost 2 years ago
This company is cheaper, but also does good work: Https://99designs.com/. Source: almost 3 years ago
99Designs is the contest one I know about. Source: about 3 years ago
Unfortunately, that's what you'll likely have to deal with. I find the designers on 99designs.com much more professional and better skilled. Source: about 3 years ago
Ah, you meant to compete. Sounds like 99designs. But why would you want that? Source: about 3 years ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Upwork - Forget the old rules. You can have the best people. Right now. Right here.
Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...
Freelancer.com - Search for jobs related to Www freelancer com homepage or hire on the world's largest freelancing marketplace with 12m+ jobs. It's free to sign up and bid on jobs.
Codewars - Achieve code mastery through challenge.
Fiverr - One marketplace, millions of professional services.