
HackerRank
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
Coderbyte
ChatPDF
PDF.ai
ChatGPT
ChatDOC
AskYourPDF
Docalysis
ChatDox
Humata AI
For Researchers Explore scientific papers, academic articles, and books to get the information you need for your research.
For Students Study for exams, get help with homework, and answer multiple choice questions faster than your classmates.
For Professionals Navigate legal contracts, financial reports, manuals, and training material. Ask questions to any PDF to stay ahead.
Multi-File Chats Create folders to organize your files and chat with multiple PDFs in one single conversation.
Any Language Works worldwide! ChatPDF accepts PDFs in any language and can chat in any language.
Cited Sources Built-in citations anchor responses to PDF references. No more page-by-page searching.
HackerRank
ChatPDFHackerRank 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.
Based on our record, HackerRank should be more popular than ChatPDF. It has been mentiond 67 times since March 2021. 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.
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 / about 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
I think my app still can't beat chatpdf.com. :(. Source: about 3 years ago
Quoting directly from the FAQ popup on chatpdf.com:. Source: about 3 years ago
Try using chatpdf.com I don't really use documents that much. Source: about 3 years ago
I've asked ChatGPT to create excel formulas for me, that's the extent of my experience here. As far as analyzing an actual spreadsheet data, I believe the beta OpenAI tool, code interpreter, can do that. I don't have access to that, however. I have more experience with PDFs. There are several plug-ins for interacting with PDFs if you are a ChatGPT plus subscriber. For free, you can open a PDF in the Microsoft... Source: about 3 years ago
ChatPdf: Free version supports 120 pages/PDF, 10 MB/PDF, 3 PDFs/day, and 50 questions/day. Source: about 3 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
PDF.ai - Chat with any document
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
ChatGPT - ChatGPT is a powerful, open-source language model.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
ChatDOC - Chat with documents.