Educative

Topic	Replies	Views	Activity
Topological Sort from DFS Courses topological-sort-medium__pattern-topological-sort-graph__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	6	109	May 12, 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	78	May 1, 2021
TimsStamp+UID Doubts Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	77	November 24, 2020
Generation of newsfeed - Long poll Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	4	124	November 3, 2020
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	3	70	April 16, 2021
Why to use QuadTree Index? Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	135	December 25, 2020
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	66	November 29, 2020
Incorrect code shown in What is a Hash Table? Courses what-is-a-hash-table__hash-tables__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	1	63	August 7, 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	43	June 1, 2021
Educative: Auto save on switching page + Run shortcut button Courses	3	65	June 8, 2021
Agglomerative Clustering Courses hierarchical-clustering__clustering-with-scikit-learn__machine-learning-for-software-engineers , machine-learning-for-software-engineers__adaptilab	1	60	August 22, 2020
Sign in service discussion in an interview Courses grokking-the-system-design-interview__design-gurus , grokking-the-object-oriented-design-interview__design-gurus	2	79	October 14, 2020
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	1	60	October 12, 2020
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	40	April 11, 2021
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	41	December 31, 2020
In KGS approach, Same Short URL for Same Original URL Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	115	December 11, 2020
removeEventListener is not working Courses coding-challenge-1-counting-clicks__react-to-events__complete-javascript-course-build-a-real-world-app-from-scratch , complete-javascript-course-build-a-real-world-app-from-scratch__baptiste-pesquet	3	65	September 17, 2020
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	79	January 7, 2021
Quiz #5 v = 3 instead of 1? Courses lists-quiz-test-your-understanding-of-lists__introduction-to-lists__data-structures-for-coding-interviews-in-python , data-structures-for-coding-interviews-in-python__coderust	2	70	August 21, 2020
Why database design is not consistent with api Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	58	November 23, 2020
How can you handle hot words by consistent hashing? Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	109	December 26, 2020
My Solution Needs No HashMap 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	3	225	August 22, 2020
Graph implementation must start from 0? Courses representation-of-graphs__graphs__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	1	53	October 5, 2020
Alternate solution? Courses solution-review-problem-challenge-1__pattern-k-way-merge__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	51	August 16, 2020
Why log2(n) is not multiplied when calculating number of executions for inner loop statements? Courses solution-review-big-o-of-nested-loop-with-multiplication__complexity-measures__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	4	77	February 13, 2021
Another approach Courses balanced-parentheses-hard__pattern-subsets__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	5	72	November 12, 2020
Where is the course repo? Courses hands-on-with-statefulsets__statefulsets__learn-kubernetes-a-deep-dive , learn-kubernetes-a-deep-dive__nigel-poulton	1	42	December 5, 2020
What is the difference between global cache and distributed cache? Courses caching__glossary-of-system-design-basics__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	47	September 17, 2020
Storing popularity with index Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	7	107	February 21, 2021
Scope for the new_num variable Courses the-if-statement__conditional-statements__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	2	61	July 9, 2020
Serious concerns about choosing NOSQL Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	87	February 18, 2021
Memory cache - shulden't we cache created urls not incoming traffic? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	5	111	April 3, 2021
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	1	42	December 7, 2020
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	40	January 10, 2021
Shouldn't the cache be updated by the application server Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	157	December 10, 2020
Where does one find Exam Results Courses learn-python-3-from-scratch__educative , data-structures-and-algorithms-in-python__vincent-russo	4	146	September 28, 2020
What if the UserId and the EntityId will be the same? Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	81	March 13, 2021
https://www.educative.io/courses/grokking-the-object-oriented-design-interview/7npMYmzm8DA Courses use-case-diagrams__object-oriented-design-and-uml__grokking-the-object-oriented-design-interview , grokking-the-object-oriented-design-interview__design-gurus	3	79	November 17, 2020
Why will blockserver talk to metadata storage Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	75	March 26, 2021
Deletion of a parent node, when it's right subtree's smallest element is a parent too Courses deletion-in-binary-search-trees__trees__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	1	37	January 4, 2021
Concurrency vs Consistency Courses grokking-the-system-design-interview__design-gurus , web-application-and-software-architecture-101__shivang-sarawagi	5	118	December 8, 2020
What index server will contains? Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	89	January 31, 2021
Incorrect if number repeats more than twice Courses find-all-duplicate-numbers-easy__pattern-cyclic-sort__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	4	68	March 4, 2021
Alternative solution with O(1) time complexity Courses kth-smallest-number-in-a-sorted-matrix-hard__pattern-k-way-merge__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	30	May 11, 2021
Brute Force solution for Find Two Numbers that Add up to "n" Courses challenge-3-find-two-numbers-that-add-up-to-n__arrays__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	6	102	April 27, 2021
Pls pls help me the time complexity of two methods, thanks a lotttt Courses solution-review-merge-two-sorted-arrays__arrays__data-structures-for-coding-interviews-in-java , data-structures-for-coding-interviews-in-java__coderust	4	121	November 4, 2020
Double-Checked Locking Courses singleton-pattern__creational-patterns__software-design-patterns-best-practices-for-software-developers , software-design-patterns-best-practices-for-software-developers__c-h-afzal	1	35	March 4, 2021
Code is not in sync with class diagram 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	38	February 23, 2021
Python Soln Using Previous Two Problems Algorithm 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	1	36	January 7, 2021
Solution Review: Deletion by Value (Linked List) Courses data-structures-for-coding-interviews-in-python__coderust , data-structures-for-coding-interviews-in-java__coderust	1	37	November 21, 2020