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Which is more popular?
Based on our record, LeetCode
seems to be a lot more popular than Perma.cc.
While we know about 544 links to LeetCode,
we've tracked only 14 mentions of Perma.cc.
social mentions
544 vs 14
Online Education popularity
100% vs 0%
alternatives listed
240+ vs 38
Base details
Website, pricing, platforms and company facts side by side.
Comprehensive Problem Library LeetCode offers an extensive collection of problems ranging from easy to extremely difficult, covering a wide range of topics and difficulty levels.
Active Community LeetCode has a vibrant and active community of users who contribute solutions, discuss problems, and provide insights, which can be very helpful for learning and debugging.
Interview Preparation Many of the problems on LeetCode are modeled after questions that have been asked in technical interviews, making it a popular choice for job seekers to practice and prepare.
Company-specific Questions LeetCode provides a list of problems that are frequently asked by specific companies during interviews, which can help users focus their preparation.
Detailed Explanations Many problems come with detailed explanations and multiple approaches to solving them, helping users understand different methodologies and improve their coding skills.
Contest and Challenges LeetCode regularly hosts coding contests and challenges, which provide users with opportunities to compete against others and improve their skills under time constraints.
Possible disadvantages
Paid Subscription While LeetCode offers many resources for free, a premium subscription is required to access some advanced features, company-specific questions, additional test cases, and certain problem solutions.
Steep Learning Curve For beginners, the wide range of problem difficulties and the complexity of some problems can be intimidating and may require a significant amount of time and effort to get up to speed.
Limited Technology Coverage LeetCode mainly focuses on algorithm and data structure problems and doesn't cover other technical aspects like system design, databases, or front-end development as comprehensively.
Variable Quality of Community Solutions While the community is active, the quality of user-contributed solutions and explanations can vary significantly, and some may not follow best practices or be optimal.
Platform Performance Issues Some users report occasional performance issues such as slow loading times or glitches during peak usage times, which can be frustrating during practice or contests.
Overemphasis on Coding LeetCode's focus is predominantly on coding problems, which might lead some users to neglect other important skills required for technical interviews, such as communication and problem-solving in real-world scenarios.
Permanent Archiving Perma.cc allows users to create permanent records of web pages, ensuring that the content is preserved even if the original page changes or is deleted.
Ease of Use The platform is user-friendly, allowing users to easily create, manage, and access their archived links without requiring technical expertise.
Legal and Academic Reliability Perma.cc is widely used and recognized by legal professionals and academics for its ability to provide reliable web citations that do not suffer from link rot.
Free Access for Non-Profits Non-profit organizations and schools often receive free access, enabling cost-effective preservation of web resources critical to research and education.
Integration with Libraries Perma.cc is integrated with many libraries and institutions, which helps streamline digital permanence for academic research and scholarly commitments.
Possible disadvantages
Limited Free Usage While Perma.cc offers free access for non-profits, individual free accounts have limitations on the number of links that can be archived without a subscription.
Dependence on Institutional Support The long-term sustainability of the service relies heavily on institutional backing and ongoing funding, which could be a risk if such support were to wane.
Potential Privacy Concerns Since Perma.cc archives public snapshots of web pages, there could be privacy considerations for websites or individuals concerned about the storage of sensitive information.
Subscription Costs For users requiring more extensive archiving capabilities, subscription fees may be prohibitive, particularly for individuals or small organizations.
Analysis
An editorial look at what each product does well and who it suits.
LeetCodePerma.cc
Overall verdict
LeetCode is generally considered good, especially for individuals preparing for technical interviews in tech companies, as well as those aiming to improve their coding and problem-solving skills.
Why this product is good
LeetCode is widely regarded as a valuable resource for software engineers and developers looking to improve their coding skills, prepare for technical interviews, and solve complex algorithmic challenges. It offers a large collection of problems ranging from easy to hard, helping users to hone their problem-solving abilities. Additionally, it provides detailed solutions and discussions, allowing users to learn different approaches to tackle a problem.
Recommended for
Software engineers
Computer science students
Developers preparing for technical interviews
Individuals looking to improve their problem-solving skills
LeetCode is a renowned online platform offering a compendium of coding challenges that enable software developers to sharpen their programming prowess, facilitating their preparation for technical interviews. This...
In the quest for coding excellence, developers often seek platforms that not only challenge their skills but also make the learning process engaging and fun. While Leetcode has been a staple in the coding community...
Recommendations tracked on public social media and blogs since March 2021.
LeetCode544 mentionsPerma.cc14 mentions
AmaliTech Apprenticeship Program (AAP) (AAP)
General Coding Assessment (GCA): the harder of the two, but manageable with preparation. It's done on CodeSignal, either in person or online. To prepare, practice DSA questions on competitive programming sites like LeetCode, Codewars,...
- Source: dev.to
/
3 months ago
Category
Tool
URL
How I used it
General AI assistant
ChatGPT
Https://chatgpt.com
Breaking down concepts, simulating interviewers, reviewing answers
AI writing / reasoning
Claude
Https://claude.ai
Refining behavioral stories and...
- Source: dev.to
/
5 months ago
AVL Trees Explained: How Rotations Keep BST Operations O(log n)
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself.
- Source: dev.to
/
5 months ago
It seems a lot of people havent heard of it, but I think its worth plugging https://perma.cc/ which is really the appropriate tool for something like Wikipedia to be using to archive pages. Mroe https://en.wikipedia.org/wiki/Perma.cc.
- Source: Hacker News
/
8 months ago
Archive.today CAPTCHA page executes DDoS; Wikipedia considers banning site
I found it valuable to read archive.is owner's blog: https://lj.rossia.org/users/archive_today/ Personally I am finding this situation problematic and am seeking immediate replacement. Wayback Machine seems better but I am thinking of...
- Source: Hacker News
/
8 months ago
HackerRank
Codewars
Project Euler
Exercism
interviewing.io
CodeForces
Codecademy
Wayback Machine
ArchiveBox
Archive.md
Internet Memory Foundation
Archive-It
BnF.fr
FreezePage
