Weekly 099

Algorithm: Maximum Profit in Job Scheduling; Review: Preserving your app's model data across launches; Tips: Adding and editing persistent data in your app; Share: Manage user interface state

Posted by dreamume on October 21, 2024

Weekly 098

Algorithm: Replace the Substring for Balanced String; Review: Access Control; Tips: Advanced Operators; Share: Gray Code

Posted by dreamume on October 4, 2024

Weekly 097

Algorithm: Maximum Equal Frequency; Review: Automatic Reference Counting; Tips: Memory Safety; Share: Skip list

Posted by dreamume on August 2, 2024

Weekly 096

Algorithm: Critical Connections in a Network; Review: Type Casting; Tips: Nested Types; Share: Maximum subarray problem

Posted by dreamume on July 17, 2024

Weekly 095

Algorithm: Make Array Strictly Increasing; Review: Error Handling; Tips: Macros; Share: Zeller's congruence

Posted by dreamume on July 13, 2024

Weekly 094

Algorithm: Shortest Common Supersequence; Review: Extensions; Tips: Protocols; Share: Boyer-More majority vote algorithm

Posted by dreamume on June 23, 2024

Weekly 093

Algorithm: Flip Columns For Maximum Number of Equal Rows; Review: Generics; Tips: Opaque and Boxed Types; Share: About Reading Apple Documents

Posted by dreamume on June 1, 2024

Weekly 092

Algorithm: Last Stone Weight II; Review: Receiving and Handling Events with Combine; Tips: Concurrency; Share: Learn Swift

Posted by dreamume on May 5, 2024

Weekly 091

Algorithm: Two city Scheduling; Review: Separation of Concerns in Software Design; Tips: Programmatic navigation in SwiftUI project; Share: About open courses

Posted by dreamume on April 17, 2024

Weekly 090

Algorithm: Minimize Manhattan Distances; Review: Clean Architecture for SwiftUI; Tips: Understanding Distance Metrics Used in Machine Learning; Share: A summary of current state

Posted by dreamume on March 30, 2024

Weekly 089

Algorithm: Binary Tree Cameras; Review: Announcing bpftop; Tips: Demystifying Parameterized Protocols in Swift; Share: Some summary of backend developing

Posted by dreamume on March 3, 2024

Weekly 088

Algorithm: Coiunt the Number of House at a Certain Distance II; Review: Incremental Processing using Netflix Maestro and Apache Iceberg; Tips: System Design Interview - Distributed Message Queue; Share: How to make an iOS App Secure?

Posted by dreamume on February 5, 2024

Weekly 087

Algorithm: Tallest Billboard; Review: Rebuilding Netflix Video Processing Pipeline with Microservices; Tips: System Design Interview - Notification Service; Share: System Design Interview For Mobile Engineers

Posted by dreamume on January 12, 2024

Weekly 086

Algorithm: Distinct Subsequences II; Review: All of Netflix’s HDR video streaming is now dynamically optimized; Tips: System Design Interview - Rate Limiting; Share: Cracking the Mobile System Design Interview

Posted by dreamume on December 27, 2023

Weekly 085

Algorithm: Count Beautiful Substrings II; Review: Psyberg: Automated end to end catch up; Tips: System Design Interview - Distributed Cache; Share: Have a rest, and small thinking

Posted by dreamume on December 10, 2023

Weekly 084

Algorithm: Apply Operations to Make Two Strings Equal; Review: Detecting Scene Changes in Audiovisual Content; Tips: Van der Corput Sequence; Share: Prepare for Your Google Interviews

Posted by dreamume on November 15, 2023

Weekly 083

Algorithm: Prime Palindrome; Review: Curbing Connection Churn in Zuul; Tips: Swift 5; Share: System Design Interview - Top K Problem

Posted by dreamume on October 26, 2023

Weekly 082

Algorithm: Rectangle Area II; Review: Zero Configuration Service Mesh with On Demand Cluster Discovery; Tips: The Art of the Job Interview; Share: 7 Tips for the Coding Resume

Posted by dreamume on October 6, 2023

Weekly 081

Algorithm: Image Overlap; Review: AVA Discovering View; Tips: English for Career Development; Share: System Design Interview - Step By Step Guide

Posted by dreamume on September 22, 2023

Weekly 080

Algorithm: Sum of Distances in Tree; Review: Improved Alerting with Atlas Streaming Eval; Tips: Binary Lifting; Share: Take Notes

Posted by dreamume on August 28, 2023

Weekly 079

Algorithm: Maximum Number of Groups With Increasing Length; Review: Migrating Critical Traffic At Scale with No Downtime — Part 2; Tips: Designing Data-Intensive Applications; Share: Mindshift: Break Through Obstacles to Learning and Discover Your Hidden Potential

Posted by dreamume on August 4, 2023

Weekly 078

Algorithm: Smallest Rotation with Highest Score; Review: Timelines at Scale; Tips: Learn english tricks; Share: Migrating Critical Traffic At Scale with No Downtime - Part 1

Posted by dreamume on July 29, 2023

Weekly 077

Algorithm: Maximum Sum Queries; Review: Scaling Pinterest; Tips: Business English; Share: Recent Personal Share

Posted by dreamume on July 14, 2023

Weekly 076

Algorithm: Minimize the Total Price of the Trips; Review: The Design of a Practical System for Fault-Tolerant Virtural Machines; Tips: Y Combinator and C++; Share: Hempel's Joke

Posted by dreamume on June 12, 2023

Weekly 075

Algorithm: Cherry Pickup; Review: Serving Facebook Multifeed; Tips: Avoiding Double Payments in a Distributed Payments System; Share: The Google File System

Posted by dreamume on May 17, 2023

Weekly 074

Algorithm: Minimum Reverse Operations; Review: Making your code faster by taming branches; Tips: Finding a needle in Haystack; Share: De Bruijn Sequence

Posted by dreamume on April 18, 2023

Weekly 073

Algorithm: Split the Array to Make Coprime Products; Review: Notes about iOS Develop; Tips: Python technology and practice; Share: Parsing Gigabytes of JSON per Second

Posted by dreamume on March 25, 2023

Weekly 072

Algorithm: Subsequence With the Minimum Score; Review: Notes about iOS Develop; Tips: Python technology and practice; Share: Advanced Aspect Ratios - PAR, DAR and SAR

Posted by dreamume on March 5, 2023

Weekly 071

Algorithm: Difference Between Maximum and Minimum Price Sum; Review: Notes about iOS Develop; Tips: Python technology and practice; Share: Young's, Minkowski's and Hölder's Inequality

Posted by dreamume on February 13, 2023

Weekly 070

Algorithm: Race Car; Review: Notes about iOS Develop; Tips: C++ Templates are Turing Complete; Share: Young's Inequality

Posted by dreamume on January 23, 2023

Weekly 069

Algorithm: K Inverse Pairs Array; Review: Notes about iOS Develop; Tips: iOS thread backtrace info; Share: Hölder's Inequality

Posted by dreamume on January 8, 2023

Weekly 068

Algorithm: Find the Closest Palindrome; Review: Notes about iOS Develop; Tips: The Case of the Implicit Move; Share: Jensen's inequality

Posted by dreamume on December 24, 2022

Weekly 067

Algorithm: Maximum Deletions on a String; Review: Notes about C++; Tips: Notes about iOS Develop; Share: The Ghost of Statistics Past

Posted by dreamume on December 3, 2022

Weekly 066

Algorithm: Next Greater Element III; Review: Notes about C++; Tips: Notes about iOS Develop; Share: In All Probability

Posted by dreamume on October 27, 2022

Weekly 065

Algorithm: Number of Good Paths; Review: Notes about C++; Tips: Notes about Media Technology in mobile platform; Share:Notes about iOS Develop

Posted by dreamume on October 27, 2022

Weekly 064

Algorithm: Remove Boxes; Review: Notes about Media Technology; Tips: Notes about Media Technology in mobile platform; Share:Slither Link

Posted by dreamume on September 23, 2022

Weekly 063

Algorithm: Zuma Game; Review: Notes about Media Technology; Tips: Notes about Media Technology in mobile platform; Share:Configure sticky sessions for your Classic Load Balancer

Posted by dreamume on September 9, 2022

Weekly 062

Algorithm: LFU Cache; Review: Notes about Media Technology; Tips: Notes about Media Technology in mobile platform; Share:Scaling Memcache at Facebook

Posted by dreamume on August 8, 2022

Weekly 061

Algorithm: Elimination Game; Review: Notes about Video Technology; Tips: Schroeder Reverberators; Share:Notes about Media Technology

Posted by dreamume on July 26, 2022

Weekly 060

Algorithm: Wiggle Sort II; Review: Notes about Video Technology; Tips: Late Reverberation Approximations; Share:Proff of Lagrange's four-square theorem

Posted by dreamume on July 4, 2022

Weekly 059

Algorithm: Course Schedule; Review: Notes about Video Technology; Tips: Physical Audio Signal Processing(Early Reflections); Share: C++ What is copy-and-swap idiom

Posted by dreamume on June 17, 2022

Weekly 058

Algorithm: Find First and Last Position of Element in Sorted Array; Review: Notes about Audio Technology; Tips: What's all the C Plus Fuss; Share:Notes about C++

Posted by dreamume on May 16, 2022

Weekly 057

Algorithm: Dynamic inversion; Review: Notes about Audio Technology; Tips: Notes about Python; Share:Notes about C++

Posted by dreamume on April 28, 2022

Weekly 056

Algorithm: The Windy's; Review: Notes about design patterns; Tips: PHYSICAL AUDIO SIGNAL PROCESSING(Perceptual Aspects Reverberation); Share:Notes about C++

Posted by dreamume on April 12, 2022

Weekly 055

Algorithm: Evacuation Plan; Review: Notes about design patterns; Tips: PHYSICAL AUDIO SIGNAL PROCESSING(The Reverberation Problem); Share:Fillomino

Posted by dreamume on March 21, 2022

Weekly 054

Algorithm: Farm Tour; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Allpass Digital Waveguide Networks); Tips: Notes about design patterns; Share: Reservoir sampling

Posted by dreamume on March 2, 2022

Weekly 053

Algorithm: Dual Core CPU; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Allpass Filters); Tips: Notes about design patterns; Share: Selection in X+Y and Matrices with sorted rows and columns

Posted by dreamume on February 8, 2022

Weekly 052

Algorithm: Dining; Review: PHYSICAL AUDIO SIGNAL PROCESSING(FDN); Tips: Notes about design patterns; Share: Dominosa

Posted by dreamume on January 21, 2022

Weekly 051

Algorithm: Evacuation; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Comb Filter); Tips: Notes about design patterns; Share: Light Up

Posted by dreamume on January 3, 2022

Weekly 050

Algorithm: Asteroids; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Tapped Delay Line(TDL)); Tips: How to look at minkowski's theorem; Share:

Posted by dreamume on November 25, 2021

Weekly 049

Algorithm: Super Pow; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Digital Waveguides); Tips: Ménage Numbers and Ménage Permutations; Share: Sudoku

Posted by dreamume on November 11, 2021

Weekly 048

Algorithm: Sum of Two Integers; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Lossy Acoustic Propagation); Tips: geek notes; Share: Implementation

Posted by dreamume on November 3, 2021

Weekly 047

Algorithm: Matrix Power Series; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Acoustic Modeling with Digital Delay); Tips: geek notes; Share: Melding ZDDs

Posted by dreamume on October 16, 2021

Digital Audio Signal Processing(Chapter 1) by Udo

Introduction

Posted by dreamume on October 11, 2021

Weekly 046

Algorithm: Blocks; Review: PHYSICAL AUDIO SIGNAL PROCESSING(Physical Models); Tips: geek nots; Share: A toy problem

Posted by dreamume on September 24, 2021

Weekly 045

Algorithm: Traveling by Stagecoach; Review: PHYSICAL AUDIO SIGNAL PROCESSING; Tips: geek nots; Share: Constructing ZDDs

Posted by dreamume on September 1, 2021

Weekly 044

Algorithm: K-th Number; Review: How does the new Azure Communication Services implement WebRTC; Tips: geek nots; Share: ZDDs defined

Posted by dreamume on August 9, 2021

Weekly 043

Algorithm: A Simple Problem with Integers; Review: RED: Improving Audio Quality with Redundancy; Tips: geek nots; Share: Goto considered helpful

Posted by dreamume on July 24, 2021

Weekly 042

Algorithm: Crane; Review: Number-Theoretic Algorithms, introduction to algorithms, chapter 31; Tips: geek nots; Share: Families of sets

Posted by dreamume on June 30, 2021

Weekly 041

Algorithm: Fliptile; Review: A Response to Cheriton and Skeen's Criticism of Causual and Totally Ordered Communication; Tips: Probability Theory in Principles of Discrete Applied Mathematics; Share: Binary Decision Diagrams

Posted by dreamume on June 8, 2021

Weekly 040

Algorithm: Face The Right Way; Review: digital video introduction, Online streaming; Tips: duolingo; Share: Factoring

Posted by dreamume on May 20, 2021

Audio Signal Processing and Coding(Chapter 2) by Spanias

Signal Processing Essentials

Posted by dreamume on May 9, 2021

Weekly 039

Algorithm: Largest Divisible Subset; Review: digital video introduction, How does a video codec work; Tips: 素数倒数和不收敛; Share: Primality Tests

Posted by dreamume on April 16, 2021

Weekly 038

Algorithm: Water and Jug Problem; Review: digital video introduction, Redundancy removal; Share: Scalability for Dummies, Asynchronism

Posted by dreamume on April 6, 2021

Weekly 037

Algorithm: Max Sum of Rectangle No Larger Than K; Review: digital video introduction, Basic terminology; Share: Scalability for Dummies, Cache

Posted by dreamume on March 17, 2021

Audio Signal Processing and Coding(Chapter 1) by Spanias

Introduction

Posted by dreamume on February 17, 2021

Weekly 036

Algorithm: russian doll envelopes; Review: Understanding the Limitations of Causally and Totally Ordered Communication; Share: Red-Black Tree in introduction to algorithms

Posted by dreamume on February 12, 2021

Weekly 035

Algorithm: Data Stream as Disjoint Intervals; Review: Lightweight Causal and Atomic Group Multicast; Share: WebRTC Today & Tomorrow: Interview with W3C WebRTC Chair Bernard Aboba

Posted by dreamume on January 22, 2021

JPEG2000 Image Compression Foundamentals, Standards and Practice(Chapter 1)

Image Compression OverView

Posted by dreamume on January 16, 2021

Weekly 034

Algorithm: Top K Frequent Elements; Review: Epidemic Algorithms for Replicated Database Maintenance; Share: Scalability for Dummies - Part 2: Database

Posted by dreamume on December 31, 2020

Weekly 033

Algorithm: integer break; Review: Total Order Broadcast and Multicast Algorithms; Share: Scalability for Dummies - Part 1: Clones

Posted by dreamume on December 10, 2020

Weekly 032

Algorithm: valid palindrome II; Review: State machine replication; Share:introduction to algorithm, chapter 34, NP-Completeness

Posted by dreamume on November 18, 2020

Weekly 031

Algorithm: 24 Game; Review: Distributed Snapshots, Determining Global States of a Distributed System; Share:introduction to algorithm, chapter 33, Computational Geometry

Posted by dreamume on November 16, 2020

Weekly 030

Algorithm: Reconstruct Itinerary; Review: Bully algorithm; Share:introduction to algorithm, chapter 32, String Matching

Posted by dreamume on October 19, 2020