Problem Solving

ps is a collection of various computing problems and their corresponding solutions that I could think of. The problems range in various categories such as design, algorithms, performance optimizations, and more.

Feel free to add a Github issue for any discrepency, typo, alternatives, or a different solution that I might not have considered. Also feel free to add issues for problems that you would like me to work upon - though it may take me a few days to research and jot my notes here.

If you wish to contribute please read the guidelines.

Dedicated to all the friends who inspired me to learn and experiment.

Problems

The following is a list of the various problems and their solutions:

Data Structures

Discussion on how finding duplicates in integer arrays leads to Bloom Filters
How to find the top-k IPs hitting a service

Algorithms

Design

Find degrees of separation in a social graph
Design a stateless user-session mechanism
Design a scalable user authentication system
Design a rate-limited web-scraper
Design a shopping cart
Design a notification System
Design a CRON scheduler
Design an object-pool or a connection-pool
Design an email-delivery system like Mailchimp

Others

License

MIT License

ps - Problem Solving
Copyright (c) 2016, Sandeep Gupta
https://sangupta.com/projects/ps

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

License

nanirajesh/ps

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