The hottest Coding Substack posts right now

And their main takeaways
Category
Top Technology Topics

The KQL Mysteries: The Holiday 2023 Episode Part 2

Rod’s Blog • 39 implied HN points • 12 Dec 23
🕹 Technology Cybersecurity Coding Data Analysis
  1. The hacker in the story had a personal connection to one of the characters, making the situation more intense and personal.
  2. Using Kusto Query Language (KQL), the characters tried to analyze the hacker's network traffic and database activity to uncover clues about the hacker's identity and location.
  3. Despite challenges in decoding the hacker's data, the characters discovered a message from the hacker in the database logs, prompting them to solve a mysterious puzzle involving numbers.

Honeymoon with ChatGPT

Splattern • 39 implied HN points • 27 Nov 23
🕹 Technology AI Web Development Coding Software Programming
  1. ChatGPT can help you build a simple website quickly, even if you have little coding experience. You can get a lot done with just a few prompts.
  2. It's easy to ask ChatGPT to tweak and improve your code, making debugging simpler. You can keep refining your work until it fits your needs.
  3. While ChatGPT is great for generating code, it might struggle with complex math or writing tasks, but you can guide it to get better results.
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Does Reality Have a Surprising _Lack_ of Detail?

Breaking Smart • 45 implied HN points • 16 Feb 24
🕹 Technology Artificial Intelligence Coding Data Visualization
  1. The essay discussed contrasting viewpoints on the level of detail present in reality, questioning if there might actually be a surprising lack of detail.
  2. The post highlighted two major AI developments, Sora and Gemini 1.5, emphasizing the importance of boring inference advances over flashy training advances.
  3. The complexity of reality and the intricacies of AI advancements were juxtaposed with simple examples, prompting readers to reconsider their perceptions about reality's level of detail.

A reactionary take on memory safety

lcamtuf’s thing • 42 HN points • 01 Mar 24
🕹 Technology Security Programming Government Software Coding
  1. Memory safety in programming languages like C and C++ is a significant issue due to the risk of buffer overflows and other coding errors.
  2. Although there is a push to adopt memory-safe languages like a mandate from The White House, the practicality and necessity of such a move is questionable.
  3. Challenges in enforcing a complete shift to memory-safe languages include the limited exposure of critical code to attacks and the fact that other security vulnerabilities are more common in causing breaches.

5 Tips to Write Effective Code in Enterprise Organizations

Weekend Developer • 39 implied HN points • 21 Oct 23
🕹 Technology Coding Testing Collaboration Troubleshooting
  1. Writing code in enterprise organizations is different from startups due to legacy code, lack of tests, and constant changes.
  2. To write effective code in enterprise organizations, understand the system, write more tests, and collaborate with testers.
  3. Refactoring code, troubleshooting issues, and getting a birds-eye view are key to improving code quality and system understanding.

Prompt to product

Step-by-step Product • 39 implied HN points • 31 Mar 23
🕹 Technology AI Product Development Coding Tools Artificial General Intelligence
  1. The future of product development may involve AI tools like 'Prompt to Product' for rapid prototyping and testing.
  2. Product people may need coding skills now, but advancements in technology are making product creation more accessible for non-coders.
  3. To stay ahead in the AI wave, product people should refresh coding skills, understand LLMs, and improve prompt design skills.

No Dev? No Problem: How I Built and Launched an App with ChatGPT-4

Step-by-step Product • 39 implied HN points • 13 May 23
🕹 Technology Development AI Coding Tech stack
  1. LLMs allow people with little or no coding skills to become developers, expanding possibilities for creating products faster.
  2. Planning and preparation are key before building an app with ChatGPT, considering the tech stack, structure of prompts, and debugging strategies.
  3. Creating an app with ChatGPT can be fast and insightful, but requires caution with APIs, defining the tech stack, and utilizing the tool's assistance for aspects like backend development and SEO.

What if it’s too easy?

The Hive • 39 implied HN points • 24 Jul 23
🕹 Technology Innovation Coding AI Competition
  1. Sometimes things may seem hard or impossible, but seeing others do it can change your perspective.
  2. Try short spikes of work to test if something is actually as difficult as it seems.
  3. Competition in your space can be beneficial, as you can learn from others' mistakes and plans.

Ep#2: Developer Productivity: A Senior Dev's Guide to Ultra-Focus

The ZenMode • 42 implied HN points • 14 Feb 24
🕹 Technology Productivity Focus Coding Tips
  1. Strategic planning is key: Designate crucial coding tasks that ignite your passion the night before to fuel deep focus and better code.
  2. Create a distraction-free coding environment: Silence your phone, limit browser tabs, and resist multitasking to enhance true focus in a minimalist space.
  3. Take care of your body and experiment with coding blocks: Stay hydrated, consider supplements, move physically, and adapt your coding sessions to find your unique rhythm.

The KQL Mysteries: Chapter 8

Rod’s Blog • 19 implied HN points • 06 Feb 24
🕹 Technology Security Data Analysis Coding Cybersecurity IT
  1. A major security breach has occurred with sensitive data stolen, leading to a need for urgent action to track down the threat actor.
  2. Jordan quickly jumps into action, using KQL queries to analyze data and identify patterns associated with the suspected threat actor.
  3. The story leaves readers with a cliffhanger, hinting at upcoming developments and ensuring engagement for the next chapter.

Problem 58:Kth Largest Element in a Stream [Amazon]

Technology Made Simple • 79 implied HN points • 29 Sep 22
🕹 Technology Coding Recursion Binary Trees
  1. Problem involves finding the kth largest element in a stream, not the kth distinct element.
  2. The 'KthLargest' class has methods to initialize the object with 'k' and a stream of integers, and to add integers to the stream and return the kth largest element.
  3. Constraints include bounds on 'k', the length of the array, and the values in the array, with at most 10^4 calls to the 'add' method.

Problem 80: Unique Paths[Google]

Technology Made Simple • 39 implied HN points • 23 Mar 23
🕹 Technology Coding Dynamic Programming Recursion
  1. The problem discussed in the post is about finding unique paths in a grid using dynamic programming and recursion.
  2. The example solutions provided in the post illustrate how a robot can navigate from the top-left corner to the bottom-right corner in different grid sizes.
  3. The author also shares personal information about being a university student seeking work post-graduation and invites readers to check out their resume and LinkedIn profile.

How to check if a number is a power of 2 using logical operations[Technique Tuesdays]

Technology Made Simple • 59 implied HN points • 14 Dec 22
🕹 Technology Coding Computational efficiency
  1. You can check if a number is a power of 2 by doing a simple comparison using bitwise operations.
  2. Using logical operations and bit shifting to check powers of 2 is computationally efficient and essential for coding interviews.
  3. Mastering AND, OR, and NOT operations can significantly improve your programming skills and make you a more effective software engineer.

How to learn a new codebase very quickly [Technique Tuesdays]

Technology Made Simple • 79 implied HN points • 07 Sep 22
🕹 Technology Coding Learning Documentation Math Programming
  1. Understanding the context is crucial when learning a new codebase, not just the technical details
  2. Start by understanding the purpose and problem the codebase solves before diving into technical details of components
  3. When stuck on a component, focus on understanding input/output and move forward for efficient learning

Find the Middle of a Singly LinkedList[Technique Tuesdays]

Technology Made Simple • 39 implied HN points • 08 Mar 23
🕹 Technology Coding Software Engineering Algorithm Career Leetcode
  1. To find the middle of a singly linked list, use 2 pointers - one fast and one slow. This approach simplifies the process and is efficient.
  2. The reasoning behind finding the middle involves understanding the ordered structure of values in a linked list. It exploits this organized structure to bisect the list and locate the middle.
  3. Learning to think in abstract groups instead of specific data types can enhance problem-solving skills. This technique can be extended to more complex structures beyond linked lists.

[Solution]Problem 65:Find the Fixed Point in a sorted array[Apple]

Technology Made Simple • 59 implied HN points • 18 Nov 22
🕹 Technology Coding Algorithms Software Development Tech Solutions
  1. A fixed point in a sorted array is an element whose value matches its index. Binary search can be used to efficiently find a fixed point if the array is sorted.
  2. When optimizing algorithms, focus on improving the major components like loop traversal to enhance the overall performance.
  3. In sorted arrays, utilizing comparators and the inherent comparison order can simplify the coding process and boost efficiency.

Problem 65:Find the Fixed Point in a sorted array[Apple]

Technology Made Simple • 59 implied HN points • 17 Nov 22
🕹 Technology Coding Tech news Programming
  1. A fixed point in an array is an element whose value is equal to its index in a sorted array of distinct elements.
  2. To solve the problem of finding a fixed point in a sorted array, return the fixed point if it exists, otherwise return False.
  3. Understanding your audience's needs and feedback is crucial for improving content quality and user experience.

[Solution]Problem 52:Search 2D Matrix[Microsoft]

Technology Made Simple • 79 implied HN points • 18 Aug 22
🕹 Technology Coding Algorithms Software Development
  1. Understanding the problem clearly is crucial in finding efficient solutions. This particular problem doesn't require special knowledge, just logic and basic algebra.
  2. Recognizing patterns and properties of the data can significantly enhance the algorithm. In this case, the unique rules about the sorted matrix rows were key to optimizing the search process.
  3. Optimizing code by leveraging insights about the data structures can simplify solutions and reduce unnecessary complexity. It's important to make the most of the given information to write efficient algorithms.

[Solution]Problem 75: Reorder List [Meta/Facebook]

Technology Made Simple • 39 implied HN points • 17 Feb 23
🕹 Technology Coding Problem Solving
  1. The post discusses a solution for rearranging a linked list in a specific pattern, providing examples and constraints.
  2. It encourages problem-solving skills by reinforcing fundamental concepts through problem-solving and preparing for technical interviews.
  3. Consider subscribing to access more articles and support the creator's work, appealing to a broader audience.

Problem 75: Reorder List [Meta/Facebook]

Technology Made Simple • 39 implied HN points • 16 Feb 23
🕹 Technology Coding Problem Solving Tech industry
  1. The newsletter discusses a coding problem about reordering a linked list, which requires understanding of linked lists, pointer manipulation, and problem-solving skills.
  2. There is emphasis on focusing on important problems rather than mindlessly solving a large number of problems, suggesting that quality over quantity is key in interview preparation.
  3. The post also offers a premium subscription service to enhance tech skills, providing expert insights, tips, and resources, with a discount for new subscribers.

unix 1 liner to inspect a CSV

CodeFaster • 72 implied HN points • 23 Jul 23
🕹 Technology Coding Data Analysis Unix
  1. The Unix one-liner uses commands like cat, tac, cut, and less to process a CSV file.
  2. Using 'cat' reads the file, 'tac' prints it in reverse, 'cut' selects specific columns, and 'less' displays data page by page.
  3. This one-liner is handy for quickly examining and navigating through large CSV files in the terminal.