Educative

Topic	Replies	Views	Activity
In the example, how did all 4 programs run simultaneously Courses virtualizing-memory__introduction__operating-systems-virtualization-concurrency-persistence , operating-systems-virtualization-concurrency-persistence__remzi-arpaci-dusseau	24	130	September 22, 2022
We cannot delete or update the record of the referenced relation if the corresponding record exists in the referencing relation Courses integrity-rules-and-constraints__the-relational-data-model__database-design-fundamentals-for-software-engineers , database-design-fundamentals-for-software-engineers__educative	10	105	September 5, 2022
Confused `windowStart = Math.max(windowStart, charIndexMap.get(rightChar) + 1);` Courses grokking-the-coding-interview-patterns-for-coding-questions__design-gurus , no-repeat-substring-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions	5	254	May 25, 2022
Urgent issue with test cases 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	0	265	January 24, 2022
Lacks structural consistency Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	84	May 22, 2022
Top down approach with memoization Courses count-of-palindromic-substrings__pattern-4-palindromic-subsequence__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	0	126	February 27, 2022
Triplet Sum Close to Target - Explanation 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	203	April 11, 2022
Is it possible to buy a single course Courses become-an-effective-software-engineering-manager__the-pragmatic-programmers , become-an-inspirational-manager-bring-the-best-out-of-others__educative	6	1384	September 11, 2022
How to efficient get the neighboring 8 grids and why only 8 grids? Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	136	November 11, 2021
Why don’t we need to update maxRepeatLetterCount? 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	1	192	February 6, 2022
Why not O(mlogm + k logm) time? Courses kth-smallest-number-in-m-sorted-lists-medium__pattern-k-way-merge__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	153	November 8, 2021
Clean O(n^3) Solution in Python Courses subarrays-with-product-less-than-a-target-medium__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	124	March 14, 2022
TinyURL - Why "Multiple users enter the same URL, they can get the same short URL, which is NOT acceptable" Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	4	382	July 26, 2022
Configure a CA and Certificates - The Beginners Guide to Docker Courses configure-a-ca-and-certificates__the-docker-engine__the-beginners-guide-to-docker , the-beginners-guide-to-docker__nigel-poulton	1	120	January 14, 2022
Confusing term of backtesting Courses online-experimentation__practical-ml-techniquesconcepts__grokking-the-machine-learning-interview , grokking-the-machine-learning-interview__machine-learning-labs	1	96	December 26, 2021
Provided solution is not optimal 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	94	September 8, 2022
Putting key back in the key-DB to be reused Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	145	February 11, 2022
New Material on Grokking The Coding Interview course? Courses grokking-the-system-design-interview__design-gurus , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	71	August 15, 2022
What is CPE calculated using ads ranking score of itself and the ad below it? Courses architectural-components__ad-prediction-system__grokking-the-machine-learning-interview , grokking-the-machine-learning-interview__machine-learning-labs	0	27	July 18, 2022
Sharding by user id : why would it cause hot user issue Courses designing-twitter__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	173	December 27, 2021
Course pages are not loading Courses ad-prediction__ad-prediction-system__grokking-the-machine-learning-interview , grokking-the-machine-learning-interview__machine-learning-labs	4	118	June 25, 2022
The solution demonstrated is not optimal Courses merge-k-sorted-lists-medium__pattern-k-way-merge__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	96	March 26, 2022
Explain A function f(n)f(n) is considered O(g(n))O(g(n)), read as big oh of g(n)g(n) if there exists some positive real constant Courses big-o-notation-for-coding-interviews-and-beyond__c-h-afzal , introduction-to-asymptotic-analysis-and-big-o__introduction-to-complexity-measures__data-structures-for-coding-interviews-in-javascript , data-structures-for-coding-interviews-in-javascript__coderust	1	87	July 2, 2022
Lack of exercises, quizzes and challenges Courses c-for-programmers-a-practical-guide__educative , c-standard-library-including-c-14-c-17__rainer-grimm	1	87	April 11, 2022
Sharding on UserId? How does the other user get their messages? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	6	180	July 10, 2022
Error in main() where I can not edit 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	119	February 18, 2022
Building a quad tree Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	112	October 18, 2021
Separate response queues for each client Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	110	October 17, 2021
10MB/Minute Upload Bandwidth? Courses designing-youtube-or-netflix__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	6	145	June 9, 2022
More ad hoc solution Courses solution-review-problem-challenge-1__pattern-modified-binary-search__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	77	March 14, 2022
The test case in not correct? 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	4	75	September 25, 2022
More intuitive explanation? 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	1	120	December 27, 2021
Load balancing layer at three places Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	203	January 16, 2022
How is the auto increment number generated and reset? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	95	February 21, 2022
Sequence number will determine the exact ordering of messages for each user Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	192	February 4, 2022
Primary Key and Indexes Courses continued__basic-sql__an-introductory-guide-to-sql , an-introductory-guide-to-sql__datajek	1	70	April 8, 2022
Why creating subarrays take up to O(n^2) in the worst case Courses subarrays-with-product-less-than-a-target-medium__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	6	203	September 14, 2022
Why doesn't the time complexity analysis mention the sorting function at all? Courses subsets-with-duplicates-easy__pattern-subsets__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	76	February 8, 2022
Solution Balanced Brackets problem Courses solution-review-balanced-brackets__loops__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	5	108	March 18, 2022
Solution is unclear Courses longest-substring-with-maximum-k-distinct-characters-medium__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	77	June 7, 2022
Connecting all leaf nodes with a doubly linked list Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	0	68	October 18, 2021
Example doesn’t make sense Courses factory-method-pattern__creational-patterns__software-design-patterns-best-practices-for-software-developers , software-design-patterns-best-practices-for-software-developers__c-h-afzal	0	75	October 17, 2021
Why writing to Memcache is cheaper than writing to database? Courses grokking-the-system-design-interview__design-gurus , reducing-the-application-deployment-costs-via-caching__caching__web-application-software-architecture-101 , web-application-and-software-architecture-101__shivang-sarawagi	1	47	May 16, 2022
Why don't use API Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	167	April 15, 2022
How to optimize the algorithm to only push K elements to heap? Courses maximum-distinct-elements-medium__pattern-top-k-elements__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	0	64	January 17, 2022
Can someone explain this paragraph in a more clear way? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	230	February 16, 2022
Multiple print statements in the same line? Courses writing-our-first-code__introduction__learn-python-3-from-scratch , grokking-the-system-design-interview__design-gurus , learn-python-3-from-scratch__educative	2	131	December 2, 2021
Optimisation using memo is unnecessary Courses equal-subset-sum-partition-medium__pattern-01-knapsack-dynamic-programming__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	149	April 28, 2022
How sliding window approach is different from two pointers approach Courses introduction__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	241	December 28, 2021
Course Content Wont Load. Doing the free trial. Is this why? Courses designing-pastebin__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	142	November 22, 2021