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	6	1133	September 21, 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	239	February 19, 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	2	356	August 29, 2021
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	2	305	September 10, 2021
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	123	November 22, 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	405	February 23, 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	172	February 13, 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	130	May 7, 2021
Sharding by PhotoIDs Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	183	July 3, 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	5	195	September 10, 2021
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	130	May 30, 2021
Why not using NN for online training? Courses ad-prediction__ad-prediction-system__grokking-the-machine-learning-interview , grokking-the-machine-learning-interview__machine-learning-labs	2	48	August 6, 2021
Missing a lot of things Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	345	January 2, 2021
Where is the low level detailed design diagram/flow of Instagram? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	128	October 11, 2020
Shameful copy paste from Twitter Search Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	129	July 13, 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	3	122	May 1, 2021
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	794	April 15, 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	2	147	August 28, 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	191	March 5, 2021
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	77	April 4, 2021
Data sharding - Issue with photo Id based sharding? How is data of other tables stored? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	143	February 12, 2021
Line 13 of the solution 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	2	95	August 6, 2021
How does the BookItem's checkout method have a reference to BookLending? Courses design-a-library-management-system__object-oriented-design-case-studies__grokking-the-object-oriented-design-interview , grokking-the-object-oriented-design-interview__design-gurus	1	65	January 10, 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	82	April 21, 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	2	120	August 6, 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	120	October 29, 2020
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	113	May 4, 2021
Confused on solution Courses no-repeat-substring-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	124	January 7, 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	187	April 20, 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	154	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	7	156	July 5, 2021
Why is time complexity O(N∗M∗Len)? 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	3	60	August 10, 2021
"Grokking the System Design Interview" certificate Courses other-courses__appendix__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	9	268	November 3, 2020
I cannot high-light texts or take notes for some courses Courses grokking-the-system-design-interview__design-gurus , web-application-and-software-architecture-101__shivang-sarawagi	2	61	September 12, 2021
Serious concerns about choosing NOSQL Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	4	132	August 28, 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	153	September 26, 2020
Where is the api_dev_key stored and how it is matched with userid Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	103	June 1, 2021
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	142	February 18, 2021
Should not the OR condition (head === null \|\| halfReversed === null) be AND contion (head === null && halfReversed === null) Courses solution-review-problem-challenge-1__pattern-fast-slow-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	70	June 2, 2021
Instagram - database schema Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	6	469	November 26, 2020
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	163	April 2, 2021
Find Duplicate Number in O(1) space without modifying the array - why the extra work? Courses find-the-duplicate-number-easy__pattern-cyclic-sort__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	4	91	September 16, 2021
Generation of newsfeed - Long poll Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	5	168	August 28, 2021
Dont we need publisher/subscriber model? Courses designing-uber-backend__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	106	November 29, 2020
https://www.educative.io/module/lesson/data-structures-in-java/3jo4DJ5R1pR#solution Courses solution-review-array-of-products-of-all-elements-except-itself__arrays__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	2	32	September 5, 2021
Space Complexity Clarification Courses all-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	1	96	January 24, 2021
Does REST API apply to web sockets as well? Courses grokking-the-system-design-interview__design-gurus , http-push-based-technologies__web-architecture__web-application-software-architecture-101 , web-application-and-software-architecture-101__shivang-sarawagi	2	59	April 11, 2021
Why Nosql is not used when we dont want Acid properties Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	79	January 31, 2021
Not clear how client will know updates of status of friends? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	80	December 26, 2020
Mapping with Subsets and Balanced Parenthesis Courses solution-review-problem-challenge-1__pattern-subsets__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	61	December 31, 2020