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	5	692	May 16, 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	153	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	2	180	May 26, 2021
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	183	December 2, 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	5	178	May 3, 2021
Design a Payment System Courses contact-us__appendix__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	344	June 26, 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	74	November 22, 2020
This course is a joke Courses design-amazon-online-shopping-system__object-oriented-design-case-studies__grokking-the-object-oriented-design-interview , grokking-the-object-oriented-design-interview__design-gurus	1	139	May 16, 2021
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	130	February 13, 2021
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	101	November 4, 2020
Sharding by PhotoIDs Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	109	March 25, 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	262	December 21, 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	314	February 23, 2021
Solution according to Carl Gauss Courses find-the-missing-number-easy__pattern-cyclic-sort__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	78	May 7, 2021
TweetID data size Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	163	October 10, 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	287	January 2, 2021
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	125	November 23, 2020
Why can't it be 31? Courses problem-set-1__basics__big-o-notation-for-coding-interviews-and-beyond , big-o-notation-for-coding-interviews-and-beyond__c-h-afzal	2	32	May 30, 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	75	December 13, 2020
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	137	March 5, 2021
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	189	March 27, 2021
No-repeat substring answer key Courses grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	97	August 24, 2020
Which DB we use for KEY-DB for Tiny URL? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	102	April 15, 2021
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	2	56	April 21, 2021
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	90	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	94	July 31, 2020
Why do we need to hash existing url? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	35	April 4, 2021
Simpler code, without using currentPath Courses count-paths-for-a-sum-medium__pattern-tree-depth-first-search__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	79	May 4, 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	2	152	May 2, 2021
Sharing by tweet id doubts,why we need? Courses designing-twitter__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	6	137	April 20, 2021
"Grokking the System Design Interview" certificate Courses other-courses__appendix__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	9	210	November 3, 2020
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	99	December 16, 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	101	February 17, 2021
Proposed solution 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	94	March 19, 2021
Choice of Database? Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	123	September 26, 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	87	June 26, 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	91	August 17, 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	113	August 29, 2020
Intervals Interseaction Courses intervals-intersection-medium__pattern-merge-intervals__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	4	97	June 2, 2021
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	113	January 7, 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	102	September 20, 2020
Memoization Approach Courses 01-knapsack__pattern-1-01-knapsack__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	109	July 13, 2020
Inner product loss in a two-tower architecture Courses embeddings__practical-ml-techniquesconcepts__grokking-the-machine-learning-interview , grokking-the-machine-learning-interview__machine-learning-labs	3	111	September 12, 2020
Question on CDN Courses caching__glossary-of-system-design-basics__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	105	August 18, 2020
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	93	July 7, 2020
Application Credentials Courses two-tier-applications__different-tiers-in-software-architecture__web-application-software-architecture-101 , web-application-and-software-architecture-101__shivang-sarawagi	2	62	July 11, 2020
Why is sharding by tweet-id better than sharding by word? Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	100	February 18, 2021
An alternative to Solution 1 for Merge Two Sorted Lists Courses solution-review-merge-two-sorted-lists__introduction-to-lists__data-structures-for-coding-interviews-in-python , data-structures-for-coding-interviews-in-python__coderust	6	121	April 2, 2021
Instagram - database schema Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	6	286	November 26, 2020
How do you develop an intuition for knowing what the params for the recursive helper function should be? Courses maximum-sum-increasing-subsequence__pattern-5-longest-common-substring__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	79	August 31, 2020