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When a Row Lock Becomes a Gap Lock: My Real-Life MySQL Adventure

The author faced issues with slow queries and an increase in RDS sessions post-release.
After debugging and examining the codebase, the author discovered the use of gap locks in InnoDB.
Gap locks prevent other transactions from inserting a row into a specific range until the current transaction completes.
Using an indexed column helps MySQL precisely lock the specific gap and prevent unnecessary blocking of other transactions.

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Medium

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How to Use Different Python Version for Each Project — Workflow

Creating separate virtual environments for each project allows you to isolate Python versions and libraries to avoid interference.
VENV tool helps manage dependencies for Python projects by creating isolated spaces for each project.
Avoid conflicts and keep projects organized by using virtual environments (venv) instead of installing dependencies globally.
For Windows, use Command Prompt or PowerShell, and for macOS or Linux, use Terminal for Python installation.
By keeping the virtual environment outside the project folder, project directories are kept clean and organized.
Naming the environments directory with Python versions helps easily track versions used for each project.
After setting up Python versions, create virtual environments for each project following specific steps for Windows or macOS/Linux.
Activate the virtual environment, navigate to the project folder, and install dependencies while ensuring the environment is active.
This workflow is suitable for local development but not recommended for production; for production environments, use Docker or cloud services.
Managing different Python versions per project helps avoid compatibility issues and ensures smooth operations.

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Medium

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Inside the Mind of Ryan Hofmann: Building a World Beyond the Interface

Alterra Studio, founded by Ryan Hofmann, operates as a creative agency but with a deeper system and architectural approach.
Hofmann's design approach at Alterra Studio is focused on narrative structure, immersive worldbuilding, and modular symbolism.
Alterra is not just a name but a framing device and an idea about creative systems and story shaping interaction.
Hofmann is developing Anithrum, a slower and darker entity that will fuel Alterra Studio's future evolution.

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Medium

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This is How DevOps Changed the Game of Software Development.

Agile introduced regularity in software development, which distinguishes it from the Waterfall model.
DevOps emerged as a groundbreaking concept, integrating development and operation teams for faster delivery and higher quality.
DevOps has brought a critical principle that has changed the game of software development.
DORA (DevOps Research and Assessment) revealed key metrics in software development that truly impact business outcomes.

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Medium

128

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G Coin Security — Audited by Certik & Built for Total Trust

G Coin has successfully passed a Certik audit, ensuring the security of its smart contracts and protection of user funds.
Certik is a reputed company in blockchain security, trusted by several top crypto projects.
G Coin's platform is built on transparent, reliable, and verified code, providing peace of mind to users.
With Certik's seal of approval, G Coin offers real ownership, fairness, and transparency to gamers, investors, and affiliates.

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Medium

217

Symmetric or Asymmetric? Picking the Right Lock for Digital Security

Shared Key (or Symmetric Key) Cryptography is a type of encryption where both the sender and receiver use the same key to lock and unlock the message.
In Shared Key Cryptography, no one else can decrypt the message without the designated receiver's private key.
Public Key Cryptography is about 1,000 times slower than Shared Key Cryptography, but it is often combined with it in real-world systems.
SSL/TLS (used in HTTPS) is an example of a system that combines both asymmetric and symmetric encryption to ensure secure communication.

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CTO Series: The Anti-Scaling Paradox: Why and When a CTO Should Refuse to Grow His Team with Markus Hjort

Markus Hjort, Co-founder and CTO of Bitmagic, shares insights on tech leadership, team scaling, and AI's impact on software development.
He emphasizes the importance of a positive attitude and making realistic estimates in tech leadership.
Markus recommends 'Programming Pearls' for developers to enhance their estimation skills.
He highlights the need for constant communication with stakeholders to align tech strategy with business goals.
Markus fosters collaboration by creating small cross-functional teams and conducting gameplay test sessions at Bitmagic.
When scaling engineering teams, he advocates for measured growth, pausing hiring when needed, and strategic use of contractors.
Markus navigates financial challenges by balancing technical ideals with business realities.
He discusses AI's transformative impact on his work and the importance of releasing working software and monitoring team morale for success.
Markus recommends 'Rapid Development' by Steve McConnell for handling crisis situations effectively.
Join Markus at the Global Agile Summit 2025 in Tallinn, Estonia, for inspiring Agile success stories.

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Hackernoon

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Turns Out, Star Trek Was Basically a Tech Roadmap

Leonardo da Vinci's design of flying machines, inspired by birds, formed the basis for modern aviation technologies.
Mythological stories and ancient Eastern methods based on planetary constellations influenced scientific and religious practices.
Maya civilization used astronomy for various purposes, including religious and cultural foundations, as seen in their architectural temples.
Egyptian pyramids are linked to astronomy, with the Great Pyramid of Giza aligned with cardinal directions and connected to the constellation Orion.
Science fiction, like Star Trek and novels by Clarke, Asimov, and Verne, has influenced technological advancements and space exploration.
Sci-Fi narratives have inspired advancements in engineering, such as Mars habitat designs and VR training systems for space missions.
Science fiction authors like Kim Stanley Robinson and Douglas Adams have influenced real-world space research and exploration projects.
Space exploration visionaries like Elon Musk draw inspiration from science fiction to shape ambitions for interplanetary travel.
The merging of Sci-Fi concepts with engineering processes is propelling advancements in space technology and missions towards Mars and beyond.
Theoretical concepts such as ion propulsion, lift-off elevators, and quantum communication are being explored to revolutionize space exploration.
Experiments and advancements in space technology, informed by science fiction, are bringing humanity closer to interstellar travel and uncovering cosmic mysteries.

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Hackernoon

162

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Refactor Like a Pro: Ditch Hardcoded Inputs for Good

By transforming manual hard-coded inputs into testable functions, developers can improve code maintainability and reusability.
Problems like hard-coded inputs, testing difficulty, poor reusability, hidden dependencies, and console side effects can be addressed through this refactoring approach.
Steps involved include identifying code using direct input() statements, creating new functions, moving input logic, adding validation, and writing unit tests for the new function.
The refactoring example provided involves converting hard-coded input validation and algorithmic reasoning into separate functions, emphasizing the 'separation of concerns' principle.
The refactored code includes functions like 'prime_factors', 'prompt_positive_integer', and 'calculate_and_display_factors', each serving specific purposes and enhancing code clarity.
The use of unit tests ensures the correctness and robustness of the refactored functions, allowing for easier regression testing and error detection.
Moving from direct input to function calls and adding validation not only maintains behavior but also enhances code safety by preventing invalid inputs.
The refactoring improves the code by offering better testability, reusability, clear error messages, separate UI and business logic, and adherence to the single responsibility principle.
AI can assist in identifying input calls, suggesting function signatures, and providing validation rules, making refactorings more efficient in larger codebases.
The bijection between real-world actions and code functionality is strengthened through distinct functions, validation enforcement, and clear separation of concerns, reducing bugs and enhancing code understanding.

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Webkul

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Guide for CS-Cart Product Recommendation System

CS-Cart Product Recommendation System helps online stores enhance customer experience by displaying AI-driven product recommendations.
The recommendations are based on product attributes and customer behavior, ensuring more relevant suggestions.
This system solves the problem of customers struggling to find the right products, leading to higher bounce rates.
It automatically suggests personalized products, increasing engagement and conversions.

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TechBullion

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AI Revolution in Website Building: 2025 Trends and Innovations

The website-building landscape in 2025 is undergoing a transformation with the integration of AI tools, enhancing automation, efficiency, and customization.
AI-driven website builders like Elementor simplify web development, offering drag-and-drop interfaces with AI capabilities for user-specific needs.
AI analyzes user preferences to generate personalized design suggestions, streamlining the design process and focusing on content and functionality.
Tools like Elementor suggest design structures based on industry type and improve suggestions over time by learning from user choices.
In 2025, AI-powered website builders automate content generation, creating SEO-friendly text, images, and videos aligned with the site's purpose and audience.
AI facilitates content translation into multiple languages, broadening audience reach and enhancing global accessibility.
AI automates SEO tasks, optimizing content in real-time based on search engine trends and user behavior, ensuring competitive search engine rankings.
AI-enabled personalization enhances user experience by analyzing data to personalize content and layout based on visitor interactions and browsing history.
AI optimizes websites for voice search queries to cater to the growing trend of voice-activated search in a mobile-first world.
AI-driven website builders offer automated maintenance, security monitoring, and customer support, ensuring functional sites and improved user experiences.

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Medium

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Coding: The Chaotic Peace!

Coding can be a chaotic yet fulfilling experience, resulting in a flow of thoughts, emotions, and dopamine.
For the writer, coding feels like being a musician, a builder, and a conductor, where every syntax falls into place like a symphony.
The satisfaction and happiness derived from successfully running the code are beyond compare, signaling progress and accomplishment.
The author's personal experience illustrates the transformative power of coding, teaching patience, accuracy, and alertness in life.

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Medium

397

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The Resume That Got Me Into Google: What Actually Works (And What Doesn’t)

Landing interviews at top tech companies, including Google, requires more than just a fancy degree or high GPA.
Courses from platforms like Coursera, Udemy, edX, and YouTube can show curiosity and self-learning.
Highlight internships, freelance gigs, or part-time roles and emphasize real outcomes and improvements.
Differentiate yourself by showcasing unique experiences like building a startup, writing tech blogs, or leading an open-source team.

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Medium

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The Rise of Prompt Engineering in AI

Prompt engineering is the skill of asking AI the right way to get the best results.
It is useful in various domains such as writing, student projects, design, and teaching.
Some companies are hiring prompt engineers to discover the best ways to get high-quality responses from AI tools.
Prompt engineering is a simple and powerful skill that anyone can learn to make the most of AI.

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Hackernoon

423

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MEV Bots: What Do We Know About Them and How Can We Defend Ourselves?

MEV bots, Maximal Extractable Value, are advanced automated programs that exploit blockchain structures to maximize profits.
MEV bots use strategies like front-running, sandwich attacks, arbitrage, and liquidations to generate profits from on-chain activities.
They operate through smart contracts and scripts designed to analyze and manipulate blockchains for financial gain.
MEV bots can be categorized as arbitrage bots, front-running bots, sandwich bots, liquidation bots, and time-bandit bots.
These bots often use hybrid strategies to maximize their profit potential in the blockchain ecosystem.
Incidents of MEV attacks, such as sandwich attacks on decentralized platforms like Uniswap V3, have led to significant financial losses for traders.
Practical protection strategies against MEV attacks include manual approaches, slippage control, RPC tools, and using aggregators with MEV protection measures.
Researching the contracts, splitting transactions, setting slippage controls, and using MEV protection tools are essential in safeguarding against MEV attacks.
Flashblocks technology, developed in collaboration with Flashbots, aims to reduce transaction processing time and minimize the risks associated with MEV attacks.
Explorers and risk-takers in the blockchain space need to be aware of MEV attacks and implement proactive measures to mitigate potential financial risks.
Collaborations within the blockchain community and the development of innovative technologies like Flashblocks are essential in combating MEV threats and enhancing transaction security.

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