Neetcode 150 Course – All Coding Interview Questions Solved

By freeCodeCamp.org
Published: Jan 20, 2025

“
The NeetCode 150 is the most important LeetCode problems you need to master, selected to cover all major algorithmic patterns that top tech companies test for.

Course by @DestinationFAANG

Most Asked Technical Interview Questions: http://docs.google.com/spreadsheets/d/1hzP8j7matoUiJ15N-RhsL5Dmig8_E3aP/edit#gid=1377915986
Solutions: https://github.com/DestinationFAANG/Destination-FAANG-Java-Solution
Neetcode 150 list: https://neetcode.io/practice

– 00:00:00 Into
– 00:02:09 1 Contains Duplicate, 2 Valid Anagram
– 00:18:30 3 Two Sum, 4 Group Anagrams
– 00:41:05 5 Top K Frequent Elements, 6 Product of Array Except Self
– 01:08:33 7 Valid Sudoku, 8 Encode and Decode Strings
– 01:35:31 9 Longest Consecutive Sequence, 10 Valid Palindrome
– 02:08:13 11 Two Sum II Input Array Is Sorted, 12 3Sum
– 02:40:58 13 Container With Most Water, 14 Trapping Rain Water
– 03:22:29 15 Best Time to Buy And Sell Stock, 16 Longest Substring w/out Repeating Characters
– 03:43:04 17 Longest Repeating Character Replacement, 18 Permutation In String
– 04:17:11 19 Minimum Window Substring, 20 Sliding Window Maximum
– 04:59:44 21 Valid Parentheses, 22 Min Stack
– 05:20:33 23 Evaluate Reverse Polish Notation, 24 Generate Parentheses
– 05:45:54 25 Daily Temperatures, 26 Car Fleet
– 06:19:22 27 Largest Rectangle In Histogram, 28 Binary Search
– 06:46:23 29 Search a 2D Matrix, 30 Koko Eating Bananas
– 07:11:21 31 Find Minimum In Rotated Sorted Array, 32 Search In Rotated Sorted Array
– 07:37:45 33 Time Based Key Value Store, 34 Median of Two Sorted Arrays
– 08:22:13 35 Reverse Linked List, 36 Merge Two Sorted Lists
– 08:41:04 37 Reorder List, 38 Remove Nth Node From End of List
– 09:07:21 39 Copy List With Random Pointer, 40 Add Two Numbers
– 09:33:40 41 Linked List Cycle, 42 Find The Duplicate Number
– 09:59:00 43 LRU Cache, 44 Merge K Sorted Lists
– 10:33:35 45 Reverse Nodes In K Group, 46 Invert Binary Tree
– 10:58:05 47 Maximum Depth of Binary Tree, 48 Diameter of Binary Tree
– 11:12:42 49 Balanced Binary Tree, 50 Same Tree
– 11:28:36 51 Subtree of Another Tree, 52 Lowest Common Ancestor of a Binary Search Tree
– 11:47:38 53 Binary Tree Level Order Traversal, 54 Binary Tree Right Side View
– 12:09:32 55 Count Good Nodes In Binary Tree, 56 Validate Binary Search Tree
– 12:30:28 57 Kth Smallest Element In a Bst, 58 Construct Binary Tree
– 12:53:46 59 Binary Tree Maximum Path Sum, 60 Serialize And Deserialize Binary Tree
– 13:20:24 61 Implement Trie Prefix Tree, 62 Design Add And Search Words
– 14:01:28 63 Word Search II, 64 Kth Largest Element In a Stream
– 14:30:37 65 Last Stone Weight, 66 K Closest Points to Origin
– 14:50:44 67 Kth Largest Element In An Array, 68 Task Scheduler
– 15:19:56 69 Design Twitter, 70 Find Median From Data Stream
– 16:15:43 71 Subsets, 72 Combination Sum
– 16:15:43 73 Permutations, 74 Subsets II
– 16:49:54 75 Combination Sum II, 76 Word Search
– 17:16:03 77 Palindrome Partitioning, 78 Letter Combinations of a Phone
– 17:44:08 79 N Queens, 80 Number of Islands
– 18:12:44 81 Clone Graph, 82 Max Area of Island
– 18:54:05 83 Pacific Atlantic Water Flow, 84 Surrounded Regions
– 19:21:28 85 Rotting ????, 86 Walls And Gates
– 19:55:23 87 Course Schedule, 88 Course Schedule II
– 20:24:16 89 Redundant Connection, 90 Number of Connected Components
– 21:11:23 91 Graph Valid Tree, 92 Word Ladder
– 21:42:50 93 Reconstruct Itinerary, 94 Min Cost to Connect All Points
– 22:34:37 95 Network Delay Time, 96 ????
– 23:14:40 97 Alien Dictionary, 98 Cheapest Flights Within K Stops
– 23:46:50 99 Climbing Stairs, 100 Min Cost Climbing Stairs
– 24:50:25 101 House Robber, 102 House Robber II
– 25:11:04 103 Longest Palindromic Substring, 104 Palindromic Substrings
– 25:39:56 105 Decode Ways, 106 Coin Change
– 26:10:23 107 Maximum Product Subarray, 108 Word Break
– 27:07:00 109 Longest Increasing Subsequence, 110 Partition Equal Subset Sum
– 28:45:52 111 Unique Paths, 112 Longest Common Subsequence
– 29:14:46 113 Best Time to Buy And Sell Stock, 114 Coin Change II
– 29:50:06 115 Target Sum, 116 Interleaving String
– 30:33:26 117 Longest Increasing Path In a Matrix, 118 Distinct Subsequences
– 31:11:49 119 Edit Distance, 120 Burst Balloons
– 31:54:37 121 Regular Expression Matching, 122 Maximum Subarray
– 32:31:46 123 Jump Game, 124 Jump Game II
– 33:07:02 125 ?, 126 Hand of Straights
– 33:34:15 127 Merge Triplets to Form Target Triplet, 128 Partition Labels
– 33:55:28 129 Valid Parenthesis String, 130 Insert Interval
– 34:27:14 131 Merge Intervals, 132 Non Overlapping Intervals
– 35:00:49 133 Meeting Rooms, 134 Meeting Rooms II
– 35:26:18 135 Minimum Interval to Include Each Query, 136 Rotate Image
– 36:00:31 137 Spiral Matrix, 138 Set Matrix Zeroes
– 36:37:33 139 Happy Number, 140 Plus One
– 36:52:25 141 Pow(x, n), 142 Multiply Strings
– 37:11:53 143 Detect Squares, 144 Single Number
– 37:41:02 145 Number of 1 Bits, 146 Counting Bits
– 38:07:23 147 Reverse Bits, 148 Missing Number
– 38:35:03 149 Sum of Two Integers, 150 Reverse Integer

[READ MORE]

”

Painterly Photoshop-Style Tool Comes to Blender!

By School of Motion
Published: Jan 16, 2025

“
Check out my premium courses here https://learnwebcode.teachable.com/p/learnwebcode-premium

0:00 Intro
0:43 The Language Itself
10:46 Variables
27:18 Functions
47:16 Objects
1:06:59 Arrays
1:26:46 Making Decisions (if)
1:45:24 Higher-Order Functions
2:03:43 Returning vs Mutating
2:23:21 Scope & Context
2:55:56 Misc Info
3:18:47 Web Browser Practice
3:46:21 Where To Go From Here

Follow me for updates on new videos or projects:
Instagram: https://www.instagram.com/javaschiff/
Twitter: https://twitter.com/learnwebcode
Facebook: https://www.facebook.com/Brad-Schiff-1542576316048470/
Twitch: https://www.twitch.tv/learnwebcode

[READ MORE]

Artist Tawan Sunflower just released a free add-on that brings Photoshop-style layer painting directly into Blender!

Find out more on Motion Mondays ?? https://som.bz/4hi9WQr

[READ MORE]

”

GenAI Essentials – Full Course for Beginners

By freeCodeCamp.org
Published: Jan 08, 2025

“
Learn the essentials of working with AI in the cloud from @ExamProChannel. This comprehensive course covers the complete generative AI development lifecycle – from fundamental concepts through practical implementation, including prompt engineering, development tools, deployment, optimization, and advanced topics like RAGs and AI agents.

More course info: https://www.exampro.co/exp-genai-001

?? Contents ??
00:00:00 Introduction
00:54:16 AI and ML Fundamentals
03:02:21 Gen AI Primer
03:32:55 Data and ML
03:47:56 LLM Basics
04:12:22 AI Powered Assistants
04:24:42 Env Setup
06:12:17 Prompt Engineering
07:00:25 WorkBenches and Playgrounds
07:44:09 Model as a Service
08:36:26 LLM DevTools and Workflow
11:52:07 AI Code Assistants
14:04:37 App Prototyping
17:21:06 Containers
18:12:43 Serving
18:19:51 AI Delivery Platform
19:40:45 GenAI Hardware
19:50:21 Framework
19:51:49 LLM Customization
19:52:35 SFT
19:56:25 Size Optimization
20:26:04 RAGS
22:21:19 Agents

???? Thanks to our Champion and Sponsor supporters:
???? Drake Milly
???? Ulises Moralez
???? Goddard Tan
???? David MG
???? Matthew Springman
???? Claudio
???? Oscar R.
???? jedi-or-sith
???? Nattira Maneerat
???? Justin Hual

—

Learn to code for free and get a developer job: https://www.freecodecamp.org

Read hundreds of articles on programming: https://freecodecamp.org/news

[READ MORE]

”

33 Spreadsheet Projects Course for Beginners – Excel and Google Sheets

By freeCodeCamp.org
Published: Jan 07, 2025

“
Improve your skills with spreadsheets by building 33 projects. Most can be done with Microsoft Excel or Google Sheets.

Course developed by @EamonnCottrell.

Project Demo Sheets: https://docs.google.com/spreadsheets/d/1dEfgXu997gGy7rs9Qe3sTvil7kHyHZMM2eXvxsVYOfA/template/preview

?? Contents ??
?? (0:00:00) Intro
?? (0:00:32) Create a Personal Finance Tracker
?? (0:10:19) Create All Day Calendar Events
?? (0:20:30) Auto Numbering in Excel
?? (0:23:31) Create Dynamic Search Bar
?? (0:29:33) Excel User Defined Functions
?? (0:33:59) Apps Script Form to Calendar
?? (0:42:45) Embed YouTube in Sheets
?? (0:49:49) Send Email From Google Sheet
?? (0:54:01) Automate Reminder Emails with Lido
?? (1:05:19) Create Image Lightbox in Google Sheet
?? (1:11:43) Create Travel Checklist in Sheets
?? (1:22:08) Mail Merge with Lido
?? (1:32:22) Regular Expressions in Excel
?? (1:37:13) Table in Google Sheets finally
?? (1:44:22) Create a Daily Taskmaster
?? (1:49:03) Link Google Tables to Google Docs
?? (1:50:31) Excel vs Sheets Tables
?? (2:11:17) Create a Dynamic Monthly Calendar in Sheets
?? (2:22:53) Create Multiple Condition Dynamic Checkboxes
?? (2:32:43) Apps Script – Extract Data From LinkedIn
?? (2:39:33) Apps Script – Get Last Row
?? (2:44:24) Multiple Dependent Drop Down Lists
?? (2:52:43) Multiple Selection Data Validation update
?? (3:00:09) YouTube Analytics In Google Sheets
?? (3:10:51) Excel File Types
?? (3:15:07) Excel – Create Search Bar
?? (3:27:10) Quickbooks Fast Bulk Import from Excel
?? (3:36:09) 14 Excel Shortcuts
?? (3:44:10) Excel – Make a Dynamic Invoice Generator
?? (4:01:21) Excel – Make a Calendar with Sequence
?? (4:10:32) Automatic notifications from Google Sheet
?? (4:11:02) Excel – Create Color By Number Generator
?? (4:17:28) Excel – Make a Directory of Sheets with VBA

???? Thanks to our Champion and Sponsor supporters:
???? Drake Milly
???? Ulises Moralez
???? Goddard Tan
???? David MG
???? Matthew Springman
???? Claudio
???? Oscar R.
???? jedi-or-sith
???? Nattira Maneerat
???? Justin Hual

—

Learn to code for free and get a developer job: https://www.freecodecamp.org

Read hundreds of articles on programming: https://freecodecamp.org/news

[READ MORE]

”

IoT Home Automation Project Tutorial

By freeCodeCamp.org
Published: Jan 02, 2025

“
Learn to build smart systems using ESP32 microcontrollers, LEDs, and servo motors. You will learn to create a complete home automation system that can be controlled from either a Raspberry Pi or your laptop, using industry-standard tools and practices.

Course developed by @asabretech

???? GitHub: https://github.com/ebenezerasabre/server

?? Contents ??
(0:00:00) Introduction
(0:01:49) Hardware Setup
(0:02:37) Project Demo
(0:05:23) Software Flowchart
(0:09:13) ESP32 MQTT Client
(0:21:40) Software Package Installations
(0:28:32) PostgreSQL Setup & Node.js Server (Model.js)
(0:39:57) Service, Controller & Route Modules
(0:48:54) MQTT Broker & Socket.io
(1:04:42) FrontEnd: HTML & EJS

???? Thanks to our Champion and Sponsor supporters:
???? Drake Milly
???? Ulises Moralez
???? Goddard Tan
???? David MG
???? Matthew Springman
???? Claudio
???? Oscar R.
???? jedi-or-sith
???? Nattira Maneerat
???? Justin Hual

—

Learn to code for free and get a developer job: https://www.freecodecamp.org

Read hundreds of articles on programming: https://freecodecamp.org/news

[READ MORE]

”

Highlights from our EPIC 2024 Year-End Roundup Podcast!

By School of Motion
Published: Dec 30, 2024

“
Watch some of the highlights from our colossal roundup of all things Motion Design.

2024 was a transformative year for our industry – from AI disruption to the evolution of real-time tools, emerging platforms, and a changing economic landscape. Join Joey Korenman, EJ Hassenfratz, and Aharon Rabinowitz in this short(er) video featuring highlights from our year-end podcast.

Or watch/listen to the complete 6-HOURS+ podcast where we break down everything that shaped our industry and peer into what 2025 might bring. We also asked some industry luminaries to weigh in.

Head over to our blog post for the complete recording and links to everything we talk about: https://www.schoolofmotion.com/blog/2024-review

SCHOOL OF MOTION COURSES
All Courses – https://som.bz/3SUg5Yb

CHAPTERS
00:00:00 Intro
00:00:21 Will Blender Beat Cinema 4D?
00:01:58 Rive: The Future of Interactive Animation
00:04:39 The Future of Lottie?
00:07:20 The MoConomy: Trends and Predictions
00:10:02 The Impact of AI
00:12:59 The Freelance Market

[READ MORE]

”

React Native Full Course for Beginners

By freeCodeCamp.org
Published: Dec 30, 2024

“
React Native Full Course for Beginners | Complete All-in-One Tutorial | 4 Hours

This React Native Course for beginners is an all-in-one tutorial full of over 4 hours of React Native code and instruction to help you learn the basics of mobile app development.

???? Course Resources: https://github.com/gitdagray/react-native-course

?? Contents ??
(0:00:00) Intro
(0:01:08) Chapter 1: Start Here
(0:21:47) Chapter 2: Build an App
(0:43:06) Chapter 3: Navigation
(1:17:25) Chapter 4: List Views
(2:05:47) Chapter 5: CRUD App
(2:42:40) Chapter 6: Data Storage
(3:20:20) Chapter 7: Dynamic Routing
(4:02:34) Chapter 8: EAS Development Builds

???? Thanks to our Champion and Sponsor supporters:
???? Drake Milly
???? Ulises Moralez
???? Goddard Tan
???? David MG
???? Matthew Springman
???? Claudio
???? Oscar R.
???? jedi-or-sith
???? Nattira Maneerat
???? Justin Hual

—

Learn to code for free and get a developer job: https://www.freecodecamp.org

Read hundreds of articles on programming: https://freecodecamp.org/news

[READ MORE]

”

AWS Solutions Architect Professional (SAP-C02) Certification Course – Pass the Exam!

By freeCodeCamp.org
Published: Dec 19, 2024

“
Prepare for the Solutions Architect Professional Certification and pass!

This credential helps certified individuals showcase advanced knowledge and skills in providing complex solutions to complex problems, optimizing security, cost, and performance, and automating manual processes. This certification is a means for organizations to identify and develop talent with these critical skills for implementing cloud initiatives.

?? Developed by Andrew Brown of ExamPro. @ExamProChannel
???? https://www.exampro.co/sap-c02

?? Contents ??
00:00:00 Introduction
00:19:45 S3
19:27:06 AWS API
24:43:40 Amazon Virtual Private Cloud
33:21:34 AWS Lambda
36:02:33 CloudFront
36:37:04 SQS
37:38:00 SNS
38:18:55 RDS
39:30:12 Aurora
40:07:21 ELB
41:11:24 ASG
42:05:14 Athena
42:21:11 Kinesis
44:10:42 AWS ML Managed Services
46:59:58 Lightsail
47:16:15 EFS
47:41:10 EBS
48:45:57 FSx
48:57:08 Storage Gateway
49:17:29 Amazon AppStream
49:28:40 Amazon Workspaces
49:41:52 AWS Migration Hub
49:47:56 Database Migration Service
50:23:21 Secrets Manager
51:05:06 Amazon Neptune
51:22:38 DocumentDB
52:18:19 Amazon MQ
53:06:53 Amazon AppFlow
53:08:46 Amazon Keyspaces
53:10:18 QLDB
53:12:09 AWS AppRunner
53:26:50 AWS CloudFormation
56:10:48 EKS
57:02:44 AWS Glue
57:49:19 OpenSearch Service
58:12:25 Security Hub
58:17:02 MSK
58:47:16 Audit Manager
58:55:39 AWS Certificate Manager
59:14:14 Device Farm
59:26:41 Route53
60:55:59 EC2
62:55:21 AWS Transfer Family
64:12:34 AWS DataSync
64:21:16 AWS Directory Service
64:23:48 AWS Backup
64:39:55 AWS Global Accelerator
64:55:46 AWS Data Exchange
64:59:53 AWS Compute Optimizer
65:10:15 Elastic Transcoder
65:38:36 Amazon Machine Images
66:02:18 DynamoDB
66:52:18 API Gateway
67:37:52 Cognito
68:25:36 ECS

[READ MORE]

”

Step-by-Step Guide: Create Custom Photoshop Parametric Filters with Substance Designer

By Photoshop Training Channel
Published: Dec 12, 2024

“
Learn to create your very own custom Photoshop Parametric Filters with Adobe Substance Designer!

In this tutorial, we’ll explore the world of Adobe Substance Designer and how you can use it to create your own custom Photoshop Parametric filters.

We’ll start with a basic example, perfect for learning the essentials of Substance Designer and understanding the required components for building parametric filters.

Then, we’ll move on to a more advanced project—a retro photo effect that dives deeper into advanced features, common challenges, and how to solve them.

By the end of this video, you’ll have the skills to create powerful Photoshop filters tailored to your creative needs.

???? SUBSCRIBE to get more amazing Photoshop tutorials!
? https://hi.switchy.io/Subscribe-to-PTC

???? INDEX – Create Photoshop Parametric Filters with Adobe Substance Designer
00:00 – Introduction
00:49 – What is Adobe Substance Designer?
01:56 – Example 01 – Creating a Simple Parametric Filter
10:38 – Install Your Custom Parametric Filter
11:31 – Example 02 – Photo Retro Effect
22:37 – Install the Retro Photo Parametric Filter
23:30 – How To Delete Custom Photoshop Parametric Filters

???? LINKS:

Advanced Tutorial Playlist ? https://www.youtube.com/playlist?list=PL3bfN-31F9RdjUXw3KnjxT-ChS9jr9mDy

Embroidery Effect Parametric Filter ? https://www.youtube.com/watch?v=23hCkptb6Vo&list=PL3bfN-31F9RfB_7DNMOtdiPwvL-WAA-7F

Premium Tutorials ? http://ptcvids.com/shop

???? TUTORIAL DOWNLOAD
?

???? CONNECT
? TikTok ? https://www.tiktok.com/@jrfromptc 
? Instagram ? http://instagram.com/photoshoptrainingchannel

???? CREDITS
? Photoshop video tutorials by Jesus Ramirez

#PhotoshopTutorial #Photoshop #PTCvids

[READ MORE]

”

Rediscovering the Art of Interactive Design with 2Advanced Studios

By School of Motion
Published: Dec 11, 2024

“
From Flash to the future, in this episode of the School of Motion Podcast we dive deep with interactive design legends Eric and Tony of 2Advanced Studios. Check out the corresponding blog posts (with additional videos and design examples!) here: https://www.schoolofmotion.com/blog/2advanced

00:00:00 Intro
00:00:30 Early Beginnings and Background
00:10:26 Why Flash?
00:16:06 Creative Inspirations and Design Philosophy
00:24:41 Animation Techniques and Innovations
00:30:17 The Growth of 2Advanced
00:42:09 Navigating Challenges in Expansion
00:45:17 The Death of Flash
00:48:41 Finding New Directions
00:55:29 The Return of Interactivity
01:11:32 Bridging the Gap: Animation and Code
01:18:57 The Future of 2Advanced

SCHOOL OF MOTION COURSES
All Courses – https://som.bz/3SUg5Yb
Guided Courses – https://som.bz/3LYmJef
Instant Access Courses – https://som.bz/3AWv63C

[READ MORE]

”