# Here are the five links that are worth your time: **URL:** \ **Category:** Tutorials & Methods\ **Tags:** business, tips-tricks\ **Created:** [April 3, 2020, 10:26am UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852 "2020-04-03T10:26:03Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![dydx](https://onehack.st/user_avatar/onehack.st/dydx/32/36729_2.png) [@dydx](https://onehack.st/u/dydx)\ **Post date:** [April 3, 2020, 10:26am UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/1 "2020-04-03T10:26:04Z")
1. You may have heard the terms “Architecture” or “System Design.” These come up a lot during developer job interviews. Especially at big tech companies. This in-depth guide will help prepare you for the System Design interview, by teaching you basic software architecture concepts. (40 minute read): [https://www.freecodecamp.org/news/systems-design-for-interviews/](https://www.freecodecamp.org/news/systems-design-for-interviews/) 2. How to create your own Coronavirus dashboard and map app using React, Gatsby, and Leaflet. You can code along with this tutorial, learn some new tools, and build your own map of the outbreak to show your family and friends. (10 minute read): [https://www.freecodecamp.org/news/how-to-create-a-coronavirus-covid-19-dashboard-map-app-in-react-with-gatsby-and-leaflet/](https://www.freecodecamp.org/news/how-to-create-a-coronavirus-covid-19-dashboard-map-app-in-react-with-gatsby-and-leaflet/) 3. The next time you need to build an architecture diagram for your software project – or just a flow chart for your business – you’ll know which tools to use. We showcase the best ones here. (8 minute read): [https://www.freecodecamp.org/news/flow-chart-creator-and-workflow-diagram-apps/](https://www.freecodecamp.org/news/flow-chart-creator-and-workflow-diagram-apps/) 4. OWASP (The Open Web App Security Project) has an up-to-date list of the 10 most common security vulnerabilities in websites. Learn these mistakes so you don’t repeat them in your own projects. (7 minute read): [https://www.freecodecamp.org/news/technical-dive-into-owasp/](https://www.freecodecamp.org/news/technical-dive-into-owasp/) 5. Var, Let, and Const – What’s the Difference? Learn the 3 main ways to declare a variable in JavaScript, and in which situations you should use them. (6 minute read): [https://www.freecodecamp.org/news/var-let-and-const-whats-the-difference/](https://www.freecodecamp.org/news/var-let-and-const-whats-the-difference/) **Quote of the Week:** _“Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don’t know where you’ve been, you don’t know where you’re going, and you don’t know quite where you are.”_ — Danny Thorpe. ---
**Author:** ![MikeBlueberry](https://onehack.st/user_avatar/onehack.st/mikeblueberry/32/34516_2.png) [@MikeBlueberry](https://onehack.st/u/MikeBlueberry)\ **Post date:** [April 3, 2020, 10:34am UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/2 "2020-04-03T10:34:00Z")
Post bookmarked for later consumption in my cheeks. What? ---
**Author:** ![GullibleLamb](https://onehack.st/user_avatar/onehack.st/gulliblelamb/32/31304_2.png) [@GullibleLamb](https://onehack.st/u/GullibleLamb)\ **Post date:** [April 3, 2020, 11:49am UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/3 "2020-04-03T11:49:45Z")
Thanks to Quincy Larson(I get the subscription mail too lol 😂) and freecodecamp! Still, great share and it’d be useful to post all those links coming in every week. Nice initiative! @dydx ---
**Author:** ![dydx](https://onehack.st/user_avatar/onehack.st/dydx/32/36729_2.png) [@dydx](https://onehack.st/u/dydx)\ **Post date:** [April 3, 2020, 2:12pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/4 "2020-04-03T14:12:24Z")
spidy senses figured it out 🤣🤣 ---
**Author:** ![dydx](https://onehack.st/user_avatar/onehack.st/dydx/32/36729_2.png) [@dydx](https://onehack.st/u/dydx)\ **Post date:** [April 3, 2020, 2:13pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/5 "2020-04-03T14:13:45Z")
i didn’t get what you are saying 😰 ---
**Author:** ![kornbolt](https://onehack.st/user_avatar/onehack.st/kornbolt/32/8719_2.png) [@kornbolt](https://onehack.st/u/kornbolt)\ **Post date:** [April 3, 2020, 2:39pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/6 "2020-04-03T14:39:17Z")
Seems like I gotta unsubscribe them since you are already posting it here 😝 @dydx ---
**Author:** ![dydx](https://onehack.st/user_avatar/onehack.st/dydx/32/36729_2.png) [@dydx](https://onehack.st/u/dydx)\ **Post date:** [April 3, 2020, 2:44pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/7 "2020-04-03T14:44:35Z")
many people have not subscribed or know anything about “FreecodeCamp” it’s for newcomers …not for pro-daddies enjoy 😛 ---
**Author:** ![MikeBlueberry](https://onehack.st/user_avatar/onehack.st/mikeblueberry/32/34516_2.png) [@MikeBlueberry](https://onehack.st/u/MikeBlueberry)\ **Post date:** [April 3, 2020, 3:20pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/8 "2020-04-03T15:20:47Z")
Just a little joke 🙂 Imagine a squirrel hoarding nuts in his cheeks so he has enough food to survive the winter. It was an analogy for storing the knowledge you shared, bit by bit, in my cheeks. ---
**Author:** ![dydx](https://onehack.st/user_avatar/onehack.st/dydx/32/36729_2.png) [@dydx](https://onehack.st/u/dydx)\ **Post date:** [April 3, 2020, 3:28pm UTC](https://onehack.st/t/here-are-the-five-links-that-are-worth-your-time/76852/9 "2020-04-03T15:28:04Z")
amazing .. 😊 [![](https://media.giphy.com/media/a0Lgc1JvbfS4o/giphy.gif) ](https://media.giphy.com/media/a0Lgc1JvbfS4o/giphy.gif)