--- title: Best daily.dev posts — February 2021 | daily.dev description: The most upvoted daily.dev posts from February 2021, curated by the daily.dev community. canonical: https://daily.dev/sources/daily/best-of/2021/02 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/daily/best-of/2021/02 og:type: website og:site_name: daily.dev og:title: Best daily.dev posts — February 2021 | daily.dev og:description: The most upvoted daily.dev posts from February 2021, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of daily.dev — February 2021 1. 1 [](https://daily.dev/posts/meet-our-5-days-open-source-side-project-and-its-tech-stack-u38mh6fve "Meet our 5 days open-source side-project and its tech stack") Article daily.dev · 6y Meet our 5 days open-source side-project and its tech stack daily.dev has launched a new side-project called Buzzword Quiz. It's a web application where you have to identify as many logos as possible in 90 seconds. The tech stack is very much influenced by our webapp. We chose Nextjs as it offers flexible rendering options. Redis is a great solution because active games have a predefined time-to-live. 38 2. 2 [](https://daily.dev/posts/top-5-coding-challenge-websites-ranked-by-data-hd7q6z9tv "Top 5 Coding Challenge Websites Ranked by Data") Article daily.dev · 6y Top 5 Coding Challenge Websites Ranked by Data Coding challenges are an excellent way to refresh your memory of basic and advanced concepts before seeking a new job, preparing for a job interview, etc. Many programmers actually love participating in such challenges just for fun. I decided to make this list of the most useful competitive programming websites for everyone in need. 29 1 3. 3 [](https://daily.dev/posts/my-favorite-coding-and-entrepreneurship-books--go4uspwjv "My favorite coding and entrepreneurship books 📚") Article daily.dev · 6y My favorite coding and entrepreneurship books 📚 Some knowledge must be acquired by reading books. I have three professional pillars that I focus on improving: Engineering, entrepreneurship, and DevRel. So it only makes sense that I will read and recommend books in these domains. My most recommended books are laid out here together with my personal notes. 22 4 [See all daily.dev archives](/sources/daily/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/daily/best-of/2021/02#page","url":"https://daily.dev/sources/daily/best-of/2021/02","name":"Best daily.dev Posts — February 2021","description":"The most upvoted daily.dev posts from February 2021, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/daily/best-of/2021/02#items","numberOfItems":3,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/meet-our-5-days-open-source-side-project-and-its-tech-stack-u38mh6fve","name":"Meet our 5 days open-source side-project and its tech stack"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/top-5-coding-challenge-websites-ranked-by-data-hd7q6z9tv","name":"Top 5 Coding Challenge Websites Ranked by Data"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/my-favorite-coding-and-entrepreneurship-books--go4uspwjv","name":"My favorite coding and entrepreneurship books 📚"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"daily.dev","item":"https://daily.dev/sources/daily"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/daily/best-of"},{"@type":"ListItem","position":5,"name":"February 2021"}]}]} ```