Educative

Topic	Replies	Views	Activity
Dark mode for all content! Courses grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	4	401	March 30, 2021
Long polling, why not send to user B chat server directly? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	10	74	February 19, 2021
Doesn't sharding on LocationID mean that every node will be a hot node? Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	127	August 3, 2020
Does anyone else feel the input test cases could be better? Courses triplet-sum-close-to-target-medium__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	115	February 10, 2021
Missing Details Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	132	May 22, 2020
Design a Payment System Courses contact-us__appendix__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	135	June 26, 2020
Missing Database Schema Courses designing-youtube-or-netflix__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	125	May 30, 2020
Detailed design diagram - missing an arrow? Courses designing-uber-backend__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	111	May 19, 2020
Reset Course Progress Courses the-while-loop__repeat-statements__complete-javascript-course-build-a-real-world-app-from-scratch , complete-javascript-course-build-a-real-world-app-from-scratch__baptiste-pesquet	1	81	December 2, 2020
I'm worried about using the trie and some statements in the article Courses designing-typeahead-suggestion__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	84	February 13, 2021
Can't understand why we don't calculate the maxRepeating for each window Courses longest-substring-with-same-letters-after-replacement-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	5	187	December 21, 2020
Can you open up access to the tests on the "Try it yourself" Portions? I'd like to add several more tests to most of the questions Courses solution-review-problem-challenge-4__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	37	November 22, 2020
Load Balancer Vs API gateway Courses load-balancing__glossary-of-system-design-basics__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	357	June 15, 2020
This is copied word by word from York university paper Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	252	February 23, 2021
TweetID data size Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	103	October 10, 2020
A slightly simpler and a bit more optimized solution Courses solution-review-problem-challenge-1__pattern-two-heaps__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	122	December 20, 2020
A mistake in the complexity calculations? Courses subsets-easy__pattern-subsets__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	134	October 24, 2020
For example {2,3,4,5}, should the answer be 2 Courses minimum-jumps-with-fee__pattern-3-fibonacci-numbers__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	85	May 2, 2020
Time Complexity of part "b. Build the graph" Courses alien-dictionary-hard__pattern-topological-sort-graph__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	69	May 18, 2020
Instagram Data Storage - Why not a Graph database? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	133	October 28, 2020
No mention of the UserPhoto table Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	62	November 4, 2020
The solution is overkill, I think I have a much more simple solution Courses solution-review-problem-challenge-1__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	183	March 18, 2021
Concerns in design Courses designing-an-api-rate-limiter__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	4	83	March 5, 2021
It appears as if the answer given is wrong here Courses delving-into-semantics__semantic-web-page-layout-with-html__learn-html-css-and-javascript-from-scratch , learn-html-css-and-javascript-from-scratch__medhir-bhargava	1	45	December 13, 2020
Excessive Pulling Courses http-push-pull-introduction__web-architecture__web-application-software-architecture-101 , web-application-software-architecture-101__shivang-sarawagi	2	61	May 4, 2020
Misleading problem statement Courses remove-duplicates-easy__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	86	November 23, 2020
Solution: Permutations of a String Courses solution-review-permutations-of-a-string__recursion-with-strings__recursion-for-coding-interviews-in-java , recursion-for-coding-interviews-in-java__educative	4	116	March 27, 2021
No-repeat substring answer key Courses grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	67	August 24, 2020
Reusing expired keys Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	66	October 29, 2020
Quiz Q1: Why would List and Search, both children of App not be siblings? Courses meet-another-react-component__fundamentals-of-react__the-road-to-react-the-one-with-hooks , the-road-to-react-the-one-with-hooks__robin-wieruch	2	67	July 31, 2020
Missing a lot of things Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	232	January 2, 2021
Wrong answer in a special test Courses solution-review-problem-challenge-2__pattern-01-knapsack-dynamic-programming__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	84	June 10, 2020
Attributes + Hyperlinking Courses attributes-hyperlinking__semantic-web-page-layout-with-html__learn-html-css-and-javascript-from-scratch , learn-html-css-and-javascript-from-scratch__medhir-bhargava	1	25	February 2, 2021
Sharding by PhotoIDs Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	54	March 25, 2021
Why not just return maxRepeatLetterCount + k Courses longest-substring-with-same-letters-after-replacement-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	47	March 18, 2021
What is the need of such a complicated solution using Deque? Courses find-maximum-in-sliding-window__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	112	September 14, 2020
Is this original content or some credit is due? Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	108	May 17, 2020
How do we assume a modern web server can handle 50k concurrent connections? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	206	January 14, 2021
TinyURL design::Hashing Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	68	December 16, 2020
Choice of Database? Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	97	September 26, 2020
Learn Python from Scratch Courses executing-python-code__appendix__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	2	122	April 16, 2020
What is the 75% percentile of LIMIT_BAL? Courses analyzing-individual-quantities__exploratory-data-analysis__data-science-for-non-programmers , data-science-for-non-programmers__educative	2	61	June 26, 2020
In the below example, only Flight class knows about Aircraft; hence it is a uni-directional association Courses class-diagram__object-oriented-design-and-uml__grokking-the-object-oriented-design-interview , grokking-the-object-oriented-design-interview__design-gurus	6	59	February 17, 2021
How the DB schema will look like for storing messages for each users? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	77	September 20, 2020
Regarding the Reshape Pivot Code Courses reshaping-the-data__describing-data__python-data-analysis-and-visualization , python-data-analysis-and-visualization__tyler-folkman	2	61	August 17, 2020
How server handle messages from different users chatting with same user? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	155	September 21, 2020
Why not elastic search? Courses designing-typeahead-suggestion__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	81	August 29, 2020
For timeline generation how the tweets retrieval query will be formed when the tweets are sharded by TweetID and Tweet creation time Courses designing-twitter__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	83	June 15, 2020
Inconsistent info: Data sharding is for metadata store or object store? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	81	January 7, 2021
What is the logic of uniquely generating 6 letter key offline? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	69	July 7, 2020