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*BIG* announcement: Our new book, Object Oriented Design Interview, is available on Amazon! Check it out Now! 𝐖𝐡𝐚𝐭’𝐬 𝐢𝐧𝐬𝐢𝐝𝐞?- An insider's take on what interviewers really look for and why. - A 4-step framework for solving any object-oriented design interview question. - 11 real object-oriented design interview questions with detailed solutions. ...

✂️ Cut your QA cycles down to minutes with QA Wolf (Sponsored)If slow QA processes bottleneck you or your software engineering team and you’re releasing slower because of it — you need to check out QA Wolf. QA Wolf’s AI-native service supports web and mobile apps, delivering 80% automated test coverage in weeks and helping teams ship 5x faster by reducing QA cycles to minutes. ...

Modern applications don’t operate in a vacuum. Every time a ride is booked, an item is purchased, or a balance is updated, the backend juggles multiple operations (reads, writes, validations) often across different tables or services. These operations must either succeed together or fail as a unit.  That’s where transactions step in. A database transaction wraps a series of actions into an all-or-nothing unit. Either the entire thing commits and becomes visible to the world, or none of it does. In other words, the goal is to have no half-finished orders, no inconsistent account balances, and no phantom bookings.  ...

In mid-May 2025, Cloudflare blocked the largest DDoS attack ever recorded: a staggering 7.3 terabits per second (Tbps). This comes shortly after the publication of our DDoS threat report for 2025 Q1 on April 27, 2025, where we highlighted attacks reaching 6.5 Tbps and 4.8 billion packets per second (pps). The 7.3 Tbps attack is 12% larger than our previous record and 1 Tbps greater than a recent attack reported by cyber security reporter Brian Krebs at KrebsOnSecurity. ...

For decades, the United States National Institute of Standards and Technology (NIST) has been guiding industry efforts through the many publications in its Computer Security Resource Center. NIST has played an especially important role in the adoption of Zero Trust architecture, through its series of publications that began with NIST SP 800-207: Zero Trust Architecture, released in 2020. NIST has released another Special Publication in this series, SP 1800-35, titled "Implementing a Zero Trust Architecture (ZTA)" which aims to provide practical steps and best practices for deploying ZTA across various environments. NIST’s publications about ZTA have been extremely influential across the industry, but are often lengthy and highly detailed, so this blog provides a short and easier-to-read summary of NIST’s latest guidance on ZTA. ...