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Programmer Weekly

Welcome to issue 127 of Programmer Weekly. Let's get straight to the links this week.

Quote of the Week

"Good programming is 99% sweat and 1% coffee." - Anonymous

News

Google announces a new OS written in Rust
KataOS is implemented almost entirely in Rust, which provides a strong starting point for software security, since it eliminates entire classes of bugs, such as off-by-one errors and buffer overflows.

PostgreSQL 15 Released!
PostgreSQL 15 builds on the performance improvements of recent releases with noticeable gains for managing workloads in both local and distributed deployments, including improved sorting. This release improves the developer experience with the addition of the popular MERGE command, and adds more capabilities for observing the state of the database.

Reading List

Managing complex business logic in SQL using Common Table Expressions (CTEs)
SQL’s Common Table Expressions (CTEs), also known as "WITH statements", are query-scoped temporary result sets. Here's why and how to use them as abstractions for complex business logic.

A Nibble of Content-Defined Chunking
How de-duplicated, incremental file transfer works.

The Web’s Next Transition
Web is made up of technologies that got started over 25 years ago. Now, we are transitioning to a new and improved architecture for building web applications.

RecSysOps: Best Practices for Operating a Large-Scale Recommender System
In this post, we introduce RecSysOps a set of best practices and lessons that we learned while operating large-scale recommendation systems at Netflix. These practices helped us to keep our system healthy while 1) reducing our firefighting time, 2) focusing on innovations and 3) building trust with our stakeholders.

What I learned building platforms at Stitch Fix
The author synthesizes major learnings about how to build platforms into five lessons.

The Future of Ops Is Platform Engineering
Platform engineering works cross-functionally with other SWE teams, optimizing their time to value and helping them own their code in prod.

Atomic Commitment: The Unscalability Protocol
How do we ensure atomicity across multiple machines? This is a classic computer science problem called Atomic Commitment. The classic solution to this classic problem is Two-phase commit, maybe the most famous of all distributed protocols. There's a lot we could say about atomic commitment, or even just about two-phase commit. This post focuses on just one aspect: atomic commitment has weird scaling behavior.

Collective Decision-Making with AHP
How the NYT Identity team tried out the Analytic Hierarchy Process to select a user ID format.

Why MTTR should be a ‘business’ metric
One of the many pitfalls of friction between engineering and business is the lack of fundamental measurements on the health of engineering. But how does business measure engineering efficacy, and how does engineering posit its standing to business?

How to Build Software like an SRE
Reliability precepts and tradeoffs learned the hard way.

Simple, Fast, and Scalable Reverse Image Search Using Perceptual Hashes and DynamoDB
How we built our first iteration of content matching at Canva.

Recovering from Crashes with Safe Mode
Safe Mode has allowed us to identify client-side incidents more quickly, resolve them faster, avoid hotfixes, and enable users to continue using our apps while we debug issues behind-the-scenes. Additionally, engineers are able to ship features with a little less worry and release managers know that there is something in place to help mitigate incidents.

Watch and Listen

Why web tech is like this
Ever wondered why browsers look like they do? Why we use port 80, or why it’s img src=… and not image source=… ? How did JS and CSS take over, and what could there have been instead? Who invented modern web dev tooling, and how have your favourite server and client frameworks been battling it out? Where are the latest wave of metaframeworks trying to take us next? Let’s explore it though demos!

Engineering Leadership and Refactoring Monoliths
Kirsten Westeinde is a technology enthusiast and a lifelong learner. She is a development manager at Shopify, where she solves challenging web development problems every day. She talks with Scott about her career at Shopify moving from Software Developer to Senior Software Development Manager. They also chat about the Shopify's Journey from Monolith...to something different!

The Hacker’s Guide to Kubernetes Security
This talk guides you through various security risk of Kubernetes, focusing on OWASP Kubernetes Top 10 list. In live demos, you’ll find out how to exploit a range of past and present CVEs or misconfigurations in your k8s clusters, attacking containers, pods, supply chain, network, or storage. You’ll learn about common mistakes and vulnerabilities along with the best practices for hardening your Kubernetes systems.

Interesting Projects, Tools and Libraries

roadmap.sh
roadmap.sh is a community effort to create roadmaps, guides and other educational content to help guide the developers in picking up the path and guide their learnings.

The UNIX Pipe Card Game
This is a card game for teaching kids how to combine unix commands through pipes.

RedEye
RedEye is a visual analytic tool supporting Red & Blue Team operations.

Steampipe
Steampipe is the universal interface to APIs. Use SQL to query cloud infrastructure, SaaS, code, logs, and more.

Metlo
Metlo is an open-source API security platform.

Crawlee
A web scraping and browser automation library.

stepci
API Testing and Monitoring made simple.

hothost
Lightweight and minimalistic open-source Servers and HTTP monitor.

Privado
Privado is an open-source static code analysis tool to discover data flows in the code. It detects Personally Identifiable Information (PII) being processed and further maps the data flow from the point of collection to "sinks" such as external third parties, databases, logs, and internal APIs.

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queryscoped temporary result sets strong starting point popular MERGE command complex business logic Common Table Expressions incremental file transfer largescale recommendation systems LargeScale Recommender System

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