Dark mode for all content!
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2
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244
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December 11, 2020
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Long polling, why not send to user B chat server directly?
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10
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23
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February 19, 2021
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Missing Details
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1
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103
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May 22, 2020
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Why is the time complexity O(n^3) shouldn't it be O(n^2)?
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6
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264
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October 24, 2020
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Does anyone else feel the input test cases could be better?
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3
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94
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February 10, 2021
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Doesn't sharding on LocationID mean that every node will be a hot node?
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1
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100
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August 3, 2020
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Missing Database Schema
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1
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113
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May 30, 2020
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Detailed design diagram - missing an arrow?
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1
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96
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May 19, 2020
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SOAP vs REST, what about other options? what about internal communication?
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1
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97
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March 22, 2020
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Choosing Cassandra over others. Why? And some general doubts -Designing Instagram
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7
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426
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September 26, 2020
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Can't understand why we don't calculate the maxRepeating for each window
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5
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152
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December 21, 2020
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Load Balancer Vs API gateway
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1
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338
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June 15, 2020
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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
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1
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28
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November 22, 2020
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This is copied word by word from York university paper
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3
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200
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February 23, 2021
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Design a Payment System
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1
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112
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June 26, 2020
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A mistake in the complexity calculations?
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2
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105
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October 24, 2020
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For example {2,3,4,5}, should the answer be 2
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1
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71
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May 2, 2020
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Why not use geohash algorithm for this exercise?
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2
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164
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January 13, 2021
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Cant Wrap my head around the Logic
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2
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163
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June 18, 2020
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Instagram Data Storage - Why not a Graph database?
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3
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103
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October 28, 2020
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No mention of the UserPhoto table
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1
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53
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November 4, 2020
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I'm worried about using the trie and some statements in the article
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2
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61
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February 13, 2021
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Reset Course Progress
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1
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40
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December 2, 2020
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TweetID data size
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2
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81
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October 10, 2020
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No-repeat substring answer key
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3
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55
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August 24, 2020
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Reusing expired keys
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2
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52
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October 29, 2020
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Missing a lot of things
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2
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196
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January 2, 2021
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Location updates from 1million drivers
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1
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146
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March 25, 2020
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How does choosing some other characters out of the base64 encoded string other than the first 6 letters resolve key duplication?
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1
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109
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March 31, 2020
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What is the need of such a complicated solution using Deque?
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1
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91
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September 14, 2020
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Is this original content or some credit is due?
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1
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93
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May 17, 2020
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A slightly simpler and a bit more optimized solution
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3
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89
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December 20, 2020
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Quiz Q1: Why would List and Search, both children of App not be siblings?
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2
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53
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July 31, 2020
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How do we assume a modern web server can handle 50k concurrent connections?
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3
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162
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January 14, 2021
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Confused about the inner loop
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3
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83
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March 19, 2020
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TinyURL design::Hashing
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2
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52
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December 16, 2020
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Choice of Database?
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1
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78
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September 26, 2020
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How KGS will handle collisions?
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7
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194
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December 21, 2020
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Learn Python from Scratch
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2
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104
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April 16, 2020
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No answers for 2nd and 3rd question
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1
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73
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March 14, 2020
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Memoization Approach
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1
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72
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July 13, 2020
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How server handle messages from different users chatting with same user?
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3
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134
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September 21, 2020
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Improved Solution
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1
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79
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March 10, 2020
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For timeline generation how the tweets retrieval query will be formed when the tweets are sharded by TweetID and Tweet creation time
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1
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69
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June 15, 2020
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How the DB schema will look like for storing messages for each users?
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1
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60
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September 20, 2020
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"Grokking the System Design Interview" certificate
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9
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145
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November 3, 2020
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What is the logic of uniquely generating 6 letter key offline?
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1
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59
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July 7, 2020
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Inconsistent info: Data sharding is for metadata store or object store?
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3
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65
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January 7, 2021
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Regarding the Reshape Pivot Code
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2
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48
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August 17, 2020
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In the below example, only Flight class knows about Aircraft; hence it is a uni-directional association
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6
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44
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February 17, 2021
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