Project Euler
LeetCode
Exercism
Codewars
HackerRank
CodeSignal
CodeCombat
CodeForces
Alfread
Matter
Instapaper
Summari
Read This Twice
Screenbreak
Raindrop.io
ReadingGoals
Based on our record, Project Euler seems to be a lot more popular than Alfread. While we know about 415 links to Project Euler, we've tracked only 1 mention of Alfread. 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.
Let's hope this is going to help me solve some more Project Euler [1] problems! [1] https://projecteuler.net/. - Source: Hacker News / 4 months ago
Https://projecteuler.net/ for "Thinker" brain food. (it still has the issue of not being a pragmatic use of time, but there are plenty interesting enough questions which it at least helps). - Source: Hacker News / 7 months ago
I have a Project Euler (https://projecteuler.net/) account. Though I do not register at all on the leader board I will sometimes work obsessively on a problem just to make one of the level icons light up for me. There is not really competition just a tiny reward. - Source: Hacker News / 9 months ago
I do hobby programing. It is sometimes to create something (supposedly) useful. Lately though it is more discovery and a little math like. I enjoy Project Euler (https://projecteuler.net/. Recently I have been playing with superpermutations (https://projecteuler.net/) and pencil and paper is useful but filling lots of paper with lots of numbers is not that fun. - Source: Hacker News / over 1 year ago
As pointed out in a sibling comment, it appears that quote only shows up if you're logged in, but assuming you have an account and are logged in, it's on the homepage (https://projecteuler.net/), second paragraph under the following heading: > I learned so much solving problem XXX, so is it okay to publish my solution elsewhere? > It appears that you have answered your own question. There is nothing quite like... - Source: Hacker News / over 1 year ago
Learn more about it here: https://alfreadapp.com/. Source: over 4 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Matter - Create a feedback-focused culture in Slack with Matter!
Exercism - Download and solve practice problems in over 30 different languages.
Instapaper - Instapaper is a simple tool to save web pages for reading later.
Codewars - Achieve code mastery through challenge.
Summari - Summari is a web and mobile app that can summarize long text articles into bullet points.