Monitor your applications and troubleshoot problems in your deployed applications, an open-source alternative to DataDog, New Relic, etc.

SigNoz helps developers monitor applications and troubleshoot problems in their deployed applications. With SigNoz, you can:

👉 Visualise Metrics, Traces and Logs in a single pane of glass

👉 You can see metrics like p99 latency, error rates for your services, external API calls and individual end points.

👉 You can find the root cause of the problem by going to the exact traces which are causing the problem and see detailed flamegraphs of individual request traces.

👉 Run aggregates on trace data to get business relevant metrics

👉 Filter and query logs, build dashboards and alerts based on attributes in logs

👉 Record exceptions automatically in Python, Java, Ruby, and Javascript

👉 Easy…

This is a series of books diving deep into the core mechanisms of the JavaScript language. This is the second edition of the book series:

     ...

To read more about the motivations and perspective behind this book series, check out the Preface.

If you're looking for the previous first edition books, they can be found here.

I recommend reading the second edition books in this order:

• Get Started | Buy on Leanpub | Buy on Amazon
• Scope & Closures | Buy on Leanpub | Buy on Amazon
• Objects & Classes (draft stable)
• Types & Grammar (draft in progress)
• Sync & Async (not yet started)
• ES.Next & Beyond (not yet started)

If you're looking for the previous first edition books, they can be found here.

As always, you'll be able to read these books online here…

🇺🇦 UKRAINE IS BEING ATTACKED BY RUSSIAN ARMY. CIVILIANS ARE GETTING KILLED. RESIDENTIAL AREAS ARE GETTING BOMBED.

• Help Ukraine via
  • Serhiy Prytula Charity Foundation
  • Come Back Alive Charity Foundation
  • National Bank of Ukraine
• More info on war.ukraine.ua and MFA of Ukraine

This repository contains JavaScript based examples of many popular algorithms and data structures.

Each algorithm and data structure has its own separate README with related explanations and links for further reading (including ones to YouTube videos).

Read this in other languages: 简体中文 繁體中文, 한국어, 日本語, Polski, Français, Español, Português, Русский, Türkçe, Italiana, Bahasa Indonesia, Українська, Arabic, Tiếng Việt, Deutsch, Uzbek

☝ Note that this project is meant to be used for learning and researching purposes only, and it is not meant to be used for production.

Short code snippets for all your development needs

• Visit the website to view the snippet collection.
• Search for snippets and collections that suit your needs, using the name, tags, language or description.
• Browse all snippets or individual snippet collections for each topic.
• Click on each snippet card to view the whole snippet, including code, explanation and examples.
• You can copy code blocks on any snippet card, using the copy button at the top right.
• If you like the project, give it a star. It means a lot.

• Community contributions are not accepted at this time. Check back later for updates.

• This repository is maintained by Angelos Chalaris.
• All code snippets are licensed under the CC-BY-4.0 License, unless explicitly stated otherwise.
• Any other material (including text content, images, the website source code, logos, names and trademarks) are not to be used without…

  How To Use • Contributing • Website • Product Hunt

Other Checklists:
  🎮 Front-End Performance Checklist • 💎 Front-End Design Checklist

It is based on Front-End developer's years of experience, with the additions coming from some other open-source checklists.

All items in the Front-End Checklist are required for the majority of the projects, but some elements can be omitted or are not essential (in the case of an administration web app, you may not need RSS feed for example). We choose to use 3 levels of flexibility:

indicates that the item is recommended but can be…

Read on the website

Join/follow us on LinkedIn | Discord | 𝕏 (Twitter) | Facebook

Unlike typical software engineer job interviews, front end job interviews have less emphasis on algorithms and have more questions on intricate knowledge and expertise about the domain — HTML, CSS, JavaScript, just to name a few areas. This repository covers all you need to know for front end interviews:

• Various formats of Front end interviews including formats by different companies
• Front end system design interviews
• Front end trivia questions - answers to the h5bp Front-end Developer Interview Questions
• Front end questions - JavaScript, DOM, algorithms, and more
• Front end interview questions by companies

After getting a good understanding about front end interview preparation, try out GreatFrontEnd, a platform built by me! Not only are there 200+ practice questions, each…

Learn the fundamentals of web development with our 12-week comprehensive course by Microsoft Cloud Advocates. Each of the 24 lessons dive into JavaScript, CSS, and HTML through hands-on projects like terrariums, browser extensions, and space games. Engage with quizzes, discussions, and practical assignments. Enhance your skills and optimize your knowledge retention with our effective project-based pedagogy. Start your coding journey today!

Visit Student Hub page where you will find beginner resources, Student packs and even ways to get a free certificate voucher. This is the page you want to bookmark and check from time to time as we switch out content monthly.

Don't miss our NEW 12 lesson curriculum on generative AI!

Each lesson includes an assignment to complete, knowledge check and challenge to guide you on…

Click ⭐if you like the project. Pull Request are highly appreciated. Follow me @SudheerJonna for technical updates.

💡 Nail React interviews with questions and solutions from ex-interviewers! Try GreatFrontEnd → 💡

🚀 Ace React interview questions with solutions from FAANG+ companies! Try FrontendLead → 🚀

Note: This repository is specific to ReactJS. Please check Javascript Interview questions for core javascript questions and DataStructures and Algorithms for DSA related questions or problems.