The hottest Interviews Substack posts right now

And their main takeaways
Category
Top Technology Topics

The Recursive Function Template[Technique Tuesdays]

Technology Made Simple • 59 implied HN points • 12 Oct 22
🕹 Technology Coding Recursion Interviews Tutoring Software
  1. The recursive function template provides a step-by-step guide to solving recursive problems, helping you avoid overwhelm and work through coding challenges smoothly.
  2. The template includes key components like checking termination cases, processing outcomes, handling recursive cases, and resetting side effects, making problem-solving structured and manageable.
  3. Isolating recursion into helper functions improves code organization, and future Technique Tuesdays may cover the power of helper functions in depth.

Problem 57:Longest Repeating Character with Replacement[Google]

Technology Made Simple • 59 implied HN points • 21 Sep 22
🕹 Technology Coding Interviews Newsletter Problem Solving Tutoring
  1. The problem involves finding the longest substring with the same repeated character after replacing some characters. It's about choosing characters and performing operations.
  2. The examples illustrate how to approach the problem by changing characters in the string according to the constraints given.
  3. Constraints include the length of the input string, the character constraints in the string, and the limit on character replacements.

Holy Books

Slack Tide by Matt Labash • 123 implied HN points • 21 Feb 23
📚 Literature Author Poetry Interviews Writing Books
  1. Appreciate wisdom in various forms, whether from religious texts like Psalms and Proverbs or from writers like Jim Harrison.
  2. Seek inspiration from those who share your passions and values, like how Harrison connected with elements of nature, writing, and indulgence.
  3. Embrace balance and truth, even in indulgence, as advocated by Harrison's views on drinking and facing life's challenges with humility.

The Rubber Duck Method for Debugging [Technique Tuesdays]

Technology Made Simple • 59 implied HN points • 13 Sep 22
🕹 Technology Programming Debugging Interviews Learning Career
  1. The Rubber Duck Method is a powerful tool for debugging code, helping identify both logical and runtime errors as you explain your code to a rubber duck.
  2. Speaking out loud while explaining your thought process can help you make connections and insights, preventing your brain from skipping steps and making more errors.
  3. In interviews, treating your interviewer as a rubber duck by verbalizing your thoughts can improve your problem-solving skills and communication, impressing the interviewer.
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Reading, Watching 03.10.24

Unpopular Front • 23 implied HN points • 10 Mar 24
📰 News Current Events Opinions Interviews Society
  1. The newsletter featured content related to the author's family history and brief updates due to an upcoming project deadline.
  2. There's mention of interviews the author did about a book, alongside links to those interviews for readers to check out.
  3. The post explores a group called Society for American Civic Renewal, revealing its vision and prominent members' profiles, which is discussed in detail.

How to Figure out the correct distance finding algorithm [Technique Tuesday]

Technology Made Simple • 79 implied HN points • 30 Mar 22
🕹 Technology Algorithm Graphs Coding Interviews Data Structures
  1. BFS and DFS algorithms are foundational and crucial for various graph traversal problems, forming the basis for more complicated algorithms.
  2. Topological Sort, Djikstra's Algorithm, and A* are important graph traversal algorithms to master, especially for weighted graphs and AI applications like self-driving cars.
  3. For determining the correct graph traversal algorithm, identify if you need to find the shortest path (use BFS or A* for unweighted/weighted graphs), or if you need to visit the complete graph (use DFS for problems involving the entire graph).

How to Solve Leetcode Brain Teasers [Technique Tusdays]

Technology Made Simple • 39 implied HN points • 09 Nov 22
🕹 Technology Coding Interviews Algorithms Problem Solving Tutoring
  1. Brain teasers in interviews may seem simple but can be tricky to solve because of their deceptive simplicity.
  2. When stuck on a problem, look for something familiar to latch onto and analyze it in depth to gain clarity on possible solutions.
  3. Talking out loud about the problem can help make connections, leading to better problem-solving and understanding.

Trusted - News and Notes, 2023-04-06

Trusted • 19 implied HN points • 06 Apr 23
🕹 Technology AI Regulation Interviews
  1. Italy has banned the use of ChatGPT accusing OpenAI of unlawful data collection.
  2. President Biden emphasizes the importance of discussing the risks and benefits of AI, calling for responsible product development.
  3. The U.S. government currently maintains a lighter touch on AI regulation compared to the EU.

All about the graphs [Math Monday]

Technology Made Simple • 59 implied HN points • 29 Mar 22
🕹 Technology Data Structures Algorithms Graphs Coding Interviews
  1. Graphs can be seen from various perspectives: charts and plots (stats), maps with complex algorithms (graph theory), and adjacency lists for coding. Understanding these perspectives is crucial for effective use of graphs.
  2. Identifying whether a problem could be a graph problem involves recognizing the entities (nodes), relationships (edges), and weights in the context of a system. This spotting framework helps in solving graph-related problems efficiently.
  3. Practicing graph spotting as a skill involves starting with easy problems to identify graph components quickly. Familiarity with graphs and the ability to spot them easily is crucial for solving graph problems in interviews.

Interviews, Debates, and Discussions

Harnessing the Power of Nutrients • 59 implied HN points • 23 Jun 22
🎙 Podcasts Interviews Debates Discussions
  1. The content of the post consists of interviews, debates, and discussions on various topics, providing a platform for fruitful conversations.
  2. The platform includes diverse conversations like debates on health databases, discussions on nutrition in medical schools, and interviews on unconventional medicine.
  3. Experts and researchers engage in panel discussions and debates, offering insights on a range of subjects from glycine to herd immunity.

Problem 52:Search 2D Matrix[Microsoft]

Technology Made Simple • 39 implied HN points • 17 Aug 22
🕹 Technology Coding Algorithm Newsletter Interviews Social media
  1. The problem of searching a 2D matrix, like Problem 52 with Microsoft, requires logical thinking rather than complex algorithms.
  2. In the problem, diligently understanding the matrix properties and basic algebra can lead to a solution.
  3. The problem scenario involves searching for a specific value in an integer matrix with sorted rows, making it crucial to spot the required insights for efficient searching.

Problem 51:Happy Number[IBM]

Technology Made Simple • 39 implied HN points • 10 Aug 22
🕹 Technology Programming Coding Newsletter Interviews Algorithms
  1. The problem highlighted focuses on determining if a number is a happy number through a specific process involving the sum of squares of its digits.
  2. A happy number reaches 1 through the process described, whereas some numbers loop endlessly without reaching 1.
  3. The post also mentions a newsletter aimed at helping individuals succeed in tech interviews by providing valuable resources and techniques.

Power Function in logarithmic time [Technique Tuesdays]

Technology Made Simple • 39 implied HN points • 09 Aug 22
🕹 Technology Programming Algorithms Interviews Tutorials Optimization
  1. Optimizing the power function using logarithmic time can be a game-changer, making computations quicker and efficient.
  2. Understanding and applying mathematical tricks like leveraging even and odd numbers can significantly reduce the number of instructions needed to solve a problem.
  3. Learning to optimize algorithms using divide and conquer techniques, such as in the power function example, can enhance problem-solving skills and overall coding proficiency.

Writeup System Design — Backend for Google Photos[Systems Design Sundays]

Technology Made Simple • 39 implied HN points • 24 Jul 22
🕹 Technology System Design Backend Interviews Engineering
  1. To ace System Design Interviews, read/watch more system design mock interviews on YouTube, engineering blogs, and learn about important technologies/concepts.
  2. When designing a system like the backend for Google Photos, start with domain analysis, note requirements (functional and non-functional), expected load/performance, and user profiles for valuable solutions.
  3. Engage with the content you find helpful by liking, sharing, and offering feedback to creators. It helps them reach more people and improve their work.

[Solution]Problem 48:Valid Parentheses[Amazon]

Technology Made Simple • 39 implied HN points • 21 Jul 22
🕹 Technology Coding Problem Solving Algorithms Interviews
  1. Understanding the concept of valid parentheses is crucial in coding interviews to solve classic problems like determining if a string of brackets is valid.
  2. Key rules for valid parentheses involve closing the brackets in the correct order and ensuring that the opening and closing brackets match.
  3. Developing an algorithm to validate parentheses involves utilizing the Last In, First Out (LIFO) principle with stacks to track opening and closing brackets.

Problem 24: Sentence Checker[Nest]

Technology Made Simple • 59 implied HN points • 09 Feb 22
🚌 Education Coding Problem Solving Learning Interviews Newsletter
  1. Create a basic sentence checker that validates sentences based on specific rules like capitalization, punctuation, and spacing.
  2. The sentence must start with a capital letter, have proper lowercase letters, separators, and terminal marks, and contain single spaces between words.
  3. Validation criteria include starting with a capital, having proper case usage, correct punctuation, and spacing. The sentence must end with a terminal mark following a word.

The Cholocalate Milk Rule: Knowing when to sort your input [Technique Tuesdays]

Technology Made Simple • 39 implied HN points • 05 Jul 22
🕹 Technology Coding Algorithm Sorting Problem Solving Interviews
  1. Knowing when to sort your input is crucial in certain coding problems. The Chocolate Milk Rule helps in identifying when sorting can lead to the solution.
  2. The Chocolate Milk Rule works when the solutions can be filtered based on ordering and when solutions are generated from input subsets. It can be applied in various scenarios like 3 Sum, 2 Sum Sorted, and even Search.
  3. Sorting the input makes it easier to filter solutions based on their magnitude. This simplifies the process of finding solutions to coding problems.

Problem 39: Find the Celebrity[Pintrest]

Technology Made Simple • 39 implied HN points • 26 May 22
🚌 Education Problem Solving Coding Tutoring Interviews Learning
  1. Identifying a 'celebrity' in a group where everyone knows them but they know no one involves a logic puzzle with time complexity considerations.
  2. A key to solving the 'celebrity' problem efficiently is using the 'knows' method and a strategy to identify the person in O(N) time.
  3. Engaging with the author's content can involve liking posts, participating in surveys, or supporting them via Substack features.

Coming Soon: What the Fix?! (A Podcast)

Fight to Repair • 39 implied HN points • 13 Apr 22
🎙 Podcasts News Interviews Community
  1. The podcast 'What the Fix?!' will focus on news analysis and interviews regarding the right to repair movement, featuring key figures in the fight.
  2. The right to repair movement is expanding beyond just repairing screens; it's becoming part of a larger conversation on creating a sustainable economy.
  3. The podcast will offer premium features for paid subscribers, including access to additional content and the chance to participate in live recordings.

Using Single Responsibility to write amazing code [Technique Tuesday]

Technology Made Simple • 39 implied HN points • 04 May 22
🕹 Technology Coding Software Engineering Interviews Modularity Career development
  1. The Single Responsibility Principle in software engineering emphasizes that classes and modules should have only one distinct responsibility. This helps in making code easier to maintain and understand.
  2. Implementing the Single Responsibility Principle can lead to benefits such as easier code changes, simplified debugging, and smoother testing processes.
  3. In coding interviews, applying Single Responsibility by breaking down complex problems into smaller, focused components can help in solving questions methodically and efficiently, boosting problem-solving abilities.

[Solution]Problem 35: 3 Sum[Netflix]

Technology Made Simple • 39 implied HN points • 29 Apr 22
🕹 Technology Coding Algorithms Interviews Problem Solving Sorting
  1. Practice the skills mentioned in your interviews frequently to make problem-solving easier.
  2. Understanding the properties of numbers like knowing how values affect the sum can help in solving coding problems effectively.
  3. Sorting the input array can be crucial in solving problems where solutions need to be filtered based on certain properties of the input.

My experience with the Google Foobar challenge

Technology Made Simple • 39 implied HN points • 27 Mar 22
🕹 Technology Coding Interviews Challenges Algorithms Google
  1. Google Foobar challenge consists of multiple levels and is invite-only, offering a chance for an onsite interview at Google.
  2. The challenge is designed like an infiltration story with lengthy, complex questions that require googling concepts and filtering out irrelevant information to solve.
  3. Passing the first 3 levels is relatively easier, but the final 2 stages demand specific knowledge of high-level concepts and a well-thought-out game plan for success.

How to Estimate the solutions time complexity [Technique Tuesday]

Technology Made Simple • 39 implied HN points • 23 Mar 22
🕹 Technology Coding Interviews Techniques Estimation Complexity
  1. Estimating time complexity before fully solving a problem can act as a guide in coding interviews, especially when time-constrained.
  2. Estimating complexity helps in ensuring close-to-optimal solutions and deciding whether to continue optimizing or move on to the next question.
  3. Develop intuition and technical knowledge to effectively use this technique, but remember to focus on basics first if you're new to this approach.

[Solution]Problem 64:Group Anagrams[Amazon]

Technology Made Simple • 19 implied HN points • 11 Nov 22
🕹 Technology Coding Interviews Leetcode Software Development
  1. The problem discussed is about grouping anagrams, which involves rearranging the letters of a word or phrase to form another word or phrase.
  2. An example input is given with an array of strings and the expected output of grouping the anagrams together.
  3. Constraints for the input strings and a link to test solutions are included in the post.

Topological Sort: Hint for this week's question

Technology Made Simple • 39 implied HN points • 15 Feb 22
🚌 Education Coding Interviews Learning Tutorials
  1. Topological sort is an important concept for solving interview questions and can help with understanding various problems.
  2. Focusing on quality over quantity in coding practice and targeted improvement is key for successful Leetcode preparation.
  3. Engaging with a community, following quality resources, and practicing mock interviews can greatly enhance your coding and interview skills.

Problem 21: Rotate List[Facebook/Meta]

Technology Made Simple • 39 implied HN points • 19 Jan 22
🕹 Technology Coding Interviews Newsletter Social media YouTube
  1. The post discusses a coding problem from Facebook/Meta about rotating a list by k elements without creating a copy.
  2. There is a mention of a premium subscription to access the solution to the problem and other high-quality breakdowns of coding problems.
  3. The post also highlights the benefits of mock interviews for job preparation and offers a free mock interview for referring paid subscribers.

Problem 48:Valid Parentheses[Amazon]

Technology Made Simple • 19 implied HN points • 20 Jul 22
🚌 Education Coding Interviews Problem Solving
  1. The post discusses the classic coding interview problem of determining whether a string of parentheses, brackets, and braces is valid.
  2. The examples provided illustrate how to determine if a string of characters follows the rules of valid parentheses.
  3. Resources are shared for further practice, including a link to the problem on Leetcode and a survey request to help feature the publication.

Problem 45:Robot Bounded In Circle [Amazon]

Technology Made Simple • 19 implied HN points • 06 Jul 22
🚌 Education Coding Problem Solving Leetcode Interviews Tutoring
  1. The problem describes a scenario where a robot moves on an infinite plane following specific instructions and determines if it remains within a circle.
  2. The instructions for the robot include moving one unit forward, turning left or right by 90 degrees, and endlessly repeating those instructions.
  3. By understanding the movement of the robot based on the given instructions, it is possible to determine if the robot stays within a circle on the plane.

Problem 44: Longest Substring Without Repeating Characters (Meta / Facebook)

Technology Made Simple • 19 implied HN points • 29 Jun 22
🕹 Technology Coding Interviews Social media Education
  1. Problem 44 focuses on finding the longest substring without repeating characters, a common challenge in coding interviews.
  2. The problem involves using techniques like Two Pointers, Arrays, and Hashmaps for efficient duplicate checking.
  3. Examples provided help understand the problem, emphasizing the importance of finding unique substrings.

How to Spot Greedy Algorithms[Techinque Tuesdays]

Technology Made Simple • 19 implied HN points • 22 Jun 22
🕹 Technology Algorithms Coding Math AI Interviews
  1. Greedy algorithms make decisions based on immediate benefit, without looking ahead to future consequences.
  2. To identify a greedy algorithm, look for problems that can be broken into sub-problems, where the optimal solution of each sub-problem contributes to the overall optimal solution.
  3. Improving at recognizing greedy algorithms requires practice and analysis of problems to refine your intuition.

Problem 36: Container with Most Water[Two Sigma]

Technology Made Simple • 19 implied HN points • 05 May 22
🕹 Technology Programming Finance Interviews Social media
  1. Finance industry can offer high-paying jobs in Software Development due to substantial investments, but acquiring these jobs requires excelling in challenging interviews.
  2. Problem-solving questions like finding the container with the most water, such as Leetcode 11, are popular in interviews, emphasizing critical thinking and coding skills.
  3. Engaging with platforms like Substack can be beneficial for sharing knowledge and building a community by inviting feedback and participation from readers.

Problem 35: 3 Sum[Netflix]

Technology Made Simple • 19 implied HN points • 28 Apr 22
🕹 Technology Coding Interviews Programming
  1. Understanding the 3 Sum problem is crucial for coding interviews, as it's a common question with useful problem-solving tricks.
  2. The 3 Sum problem involves finding triplets in an integer array that sum up to zero, while ensuring no duplicates in the solution set.
  3. It's important to have prior experience or knowledge to tackle the 3 Sum problem effectively during interviews.

How would you design Twitter

Technology Made Simple • 19 implied HN points • 16 Mar 22
🕹 Technology System Design Coding Interviews YouTube
  1. When designing a system like Twitter, it's important to approach the problem methodically and break it down into smaller sub-problems to find solutions.
  2. System design interviews don't have strict right or wrong answers, so it's okay to focus on different aspects based on your expertise.
  3. Engaging with resources and trying to solve the problem yourself first before looking at solutions can be a valuable learning approach for system design.