HackerRank
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
Woopy
OpsGenie
PagerDuty
Zenduty
Pingdom
StatusCake
Uptime Kuma
Woopy is incident response for developers who do not run a NOC. When your production app throws an exception, you get a push notification on your phone within seconds - and next to the alert there are buttons you define yourself: "Restart worker", "Clear cache", "Retry job". One tap fires an HMAC-signed webhook (Standard Webhooks spec) back at your infrastructure, and the incident is handled before you find a laptop.
Integration is one npm package (@woopysdk/node, ISC licensed) with a single call in your catch block, or a plain HTTP POST from any language. Signup to first push takes under 2 minutes. Every action run is logged with its HTTP status, so "did the restart actually go through?" always has an answer.
Woopy is deliberately NOT a full incident-management platform: no on-call schedules, no escalation policies, no phone calls. It is built for solo developers, freelancers maintaining client apps, and small agencies - and priced accordingly: per app, not per seat. Free for 2 apps; Pro $9/mo for 10 apps; Team $49/mo flat for 50 apps with unlimited responders.
HackerRank WoopyHackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Woopy's answer:
Woopy is built by a solo founder and a frontend co-founder, in public. The itch: when you maintain production apps for clients, you find out about crashes from the client, and fixing anything means finding a laptop. Existing incident tools assume a team and a NOC; error trackers tell you what broke but give you no way to act. Woopy closes that loop - a push within seconds of the exception, and a button next to it that actually fixes the problem.
Woopy's answer:
Woopy's answer:
Woopy pairs every crash alert with one-tap remediation actions. Alerting alone is a commodity - what makes Woopy different is what happens after the push: next to the alert there are buttons you define yourself ("Restart worker", "Clear cache", "Retry job"), and one tap fires an HMAC-signed webhook (Standard Webhooks spec) at your infrastructure. The incident is handled from your phone, before you find a laptop. Every action run is logged with its HTTP result, so "did the restart actually go through?" always has an answer.
Woopy's answer:
Most incident-management platforms (PagerDuty, Opsgenie, Zenduty) are built for teams running a NOC: on-call schedules, escalation policies, per-seat pricing. If you are a solo developer or a small agency maintaining client apps, you pay for machinery you never use. Woopy deliberately skips all of that and adds the one thing they lack: remediation actions next to the alert. Pricing is per app, not per seat - free for 2 apps, Pro $9/mo for 10 apps, Team $49/mo flat for 50 apps with unlimited responders. Integration is one npm package or a plain HTTP POST; signup to first push takes under 2 minutes.
Woopy's answer:
Solo developers, freelancers maintaining client apps, and small agencies - people who are personally responsible for production but do not run a NOC and cannot justify per-seat incident-management pricing. If your "on-call rotation" is just you and your phone, Woopy is built for you.
Woopy's answer:
Backend: Ruby on Rails (API mode) with PostgreSQL, Sidekiq and Redis. Web dashboard: React with Vite. Mobile apps (iOS and Android): Capacitor, with push delivery via APNs and FCM. SDK: Node.js (@woopysdk/node, ISC licensed), plus a plain REST API for any language. Outbound remediation actions follow the Standard Webhooks spec with HMAC signatures.
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This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other peopleโs solutions. - Source: dev.to / 11 months ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: over 2 years ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: over 2 years ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: almost 3 years ago
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