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Jeremy Kunjeremykun.com ↗

CKKS — Addition and Multiplication (opens on the source site)

Table of Contents This is part of a tutorial series on the CKKS homomorphic encryption scheme. In the last article, we introduced symmetric and public-key encryption and decryption routines, and implemented modular polynomial arithmetic (using NTTs as a black box). This article covers the addition and multiplication operations performed on ciphertexts (without relinearization). Again, if you already know about CKKS, we are still avoiding the RNS form of the scheme and using a 64-bit modulus $Q$, which means that we’re momentarily ignoring cryptographic security.

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SitePointsitepoint.com ↗LinkedIn X

Test README with Users and Docker: Two-Layer Verification (opens on the source site)

Verify your project setup documentation using a two-layer testing workflow: automate commands in a clean Docker container to catch mechanical setup errors, then observe a real user think aloud to identify missing prerequisites and unclear steps. Continue reading Test README with Users and Docker: Two-Layer Verification on SitePoint.

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SitePointsitepoint.com ↗LinkedIn X

Tilde in PATH Security: How Quoted Tildes Cause Relative Execution (opens on the source site)

Quoting a tilde in PATH suppresses expansion, creating a literal '~' entry that resolves relative to the current working directory. If an attacker can write to that relative path and PATH search order reaches it, the shell executes the foreign binary. Here is how to audit your shell configuration and replace literal tildes with $HOME. Continue reading Tilde in PATH Security: How Quoted Tildes Cause Relative Execution on SitePoint.

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Matthew Greenblog.cryptographyengineering.com ↗

New website: estimating human cryptanalytic work (opens on the source site)

This is not so much a full post as it is an advertisement. I’ve been working with Claude and GPT 6 Astra to conduct a survey of historical cryptanalysis results, in an effort to determine how many human-hours have been spent attempting to cryptanalyze the problems we use in public-key encryption schemes. This is work … Continue reading New website: estimating human cryptanalytic work →

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Real Pythonrealpython.com ↗LinkedIn X

Functional Programming in Python: When and How to Use It (opens on the source site)

Functional programming is a programming paradigm in which the primary method of computation is the evaluation of functions. But how does Python support functional programming? In this tutorial, you’ll learn: What the functional programming paradigm entails What it means to say that functions are first-class citizens in Python How to define anonymous functions with the lambda keyword How to implement functional code using map(), filter(), and reduce() Functional programming typically plays a minor role in Python code, but it’s still good to be familiar with it. You’ll probably encounter it…

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Real Pythonrealpython.com ↗LinkedIn X

What Can I Do With Python? (opens on the source site)

If you’re new to programming and considering Python, knowing what you can do with it can be motivating. Python is used in many fields, including web and desktop development, data science, artificial intelligence (AI), automation, robotics, and more. In this tutorial, you’ll explore tools, libraries, and project ideas that showcase Python’s versatility across these areas. By the end, you’ll know where to go next with your Python skills. By the end of this tutorial, you’ll understand that: You can build web applications with frameworks like Django, Flask, and FastAPI, each suitable for…

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Real Pythonrealpython.com ↗LinkedIn X

Quiz: Continuous Integration With Python: An Introduction (opens on the source site)

In this quiz, you’ll test your understanding of Continuous Integration With Python: An Introduction. By working through this quiz, you’ll revisit why teams integrate small changes often, what it means to break the build, and how linting, unit tests, containers, and deployable artifacts fit together in a continuous integration pipeline. These are the practices that let a team ship dozens of changes a day without anyone waiting on someone else’s broken code. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your inbox every couple of days. >> Click…

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SitePointsitepoint.com ↗LinkedIn X

The Design Workflow Is Broken. Here Is How Vitalii Khomenko Thinks It Should Be Fixed (opens on the source site)

Principal Designer Vitalii Khomenko argues the real bottleneck in AI-accelerated product teams isn't engineering anymore, it's the Figma-to-code handoff, and here's his fix. Continue reading The Design Workflow Is Broken. Here Is How Vitalii Khomenko Thinks It Should Be Fixed on SitePoint.

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Daniel Doubrovkine (dB.)code.dblock.org ↗

ELPDS: Inspecting FAT Partitions in 1995 (opens on the source site)

I recovered another program I wrote in 1995: ELPDS, or Enhanced Logical & Physical Drive Status. Run ELPDS C: and it reports physical disk geometry, partition entries, FAT boot-sector details, and free space. It doesn’t change anything on the disk. My help says it was for checking whether a partition existed and was formatted. I think I was just trying to learn about the underlying partition mechanics. I didn’t write all of it. The help credits “Mr. Schaeffer” for a “huge part of FIPS code.” That was Arno Schaefer, whose name I misspelled. FIPS could split a FAT partition without deleting its…

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Kodecokodeco.com ↗LinkedIn X

Getting Started with AI-Augmented Coding in iOS [SUBSCRIBER] (opens on the source site)

Learn how to use agentic AI throughout the iOS development process. You’ll set up Claude Agent in Xcode and configure Cursor, then use both tools to add features to an existing SwiftUI app. You’ll also connect an external AI tool to Xcode through its Model Context Protocol (MCP) server and use an AI agent to interact with an app running in the simulator.

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Nicolas Fränkelblog.frankel.ch ↗

Scraping websites and bot-protection (opens on the source site)

While searching for my ancestors, I had to access data from many different websites. I noticed there were different levels of protection against automated access depending on the site. In this post, I’ll list them and mention countermeasures you can take to bypass them anyway. Disclaimer As a private person using the data for my own personal use, I have no qualms about bypassing the protection. It can be considered fair use.

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Josh Shermanjoshtronic.com ↗

Pros and Cons of Self-hosting a Public Git Forge (opens on the source site)

It's been over a year since I mostly broke up with GitHub. In that year, I've been running my own public Forgejo instance for my personal projects. It's important to stress the public part, as most of what I'm going to discuss is directly correlated to that. This isn't a post to critique Forgejo vs. alternatives, either. I found Forgejo to be great. My only gripe is that I very much prefer GitLab runners and AWS CodeBuild to GitHub Actions, which Forgejo Actions is modeled after. With regard to GitLab, I am in the process of moving my projects over there. Why not Codeberg? Aside from my need…

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Bartlomiej Filipekcppstories.com ↗

C++26 Contracts: Introduction to Preconditions and Postconditions (opens on the source site)

In the article about Standard Library hardening, we looked at checks for invalid Standard Library container access and other broken preconditions. I mentioned that those requirements are expressed in terms of “contracts”. But what about our code? In this post, we’ll explore contracts from C++26. We’ll start with a simple cassert, move the requirement into the function itself, and see how to check results. We’ll also look at declarations and definitions, compiler options, and a few details that can surprise you. Starting with an Assertion Let’s start with a small example: A header file first:…

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Real Pythonrealpython.com ↗LinkedIn X

Python for Loops: The Pythonic Way (opens on the source site)

Python’s for loop allows you to iterate over the items in a collection, such as lists, tuples, strings, and dictionaries. The for loop syntax declares a loop variable that takes each item from the collection in each iteration. This loop is ideal for repeatedly executing a block of code on each item in the collection. You can also tweak for loops further with features like break, continue, and else. By the end of this tutorial, you’ll understand that: Python’s for loop iterates over items in a data collection, allowing you to execute code for each item. To iterate from 0 to 10, you use the for…

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Real Pythonrealpython.com ↗LinkedIn X

Namespaces in Python (opens on the source site)

A Python namespace is a mapping from names to objects. It works like a dictionary where keys are object names and values are the objects themselves. Namespaces organize variables and functions in a dedicated space, allowing you to use multiple instances of the same name without conflict, as long as they’re in different namespaces. In this tutorial, you’ll explore the different types of namespaces in Python, including the built-in, global, local, and enclosing namespaces. You’ll also learn how they define the scope of names and influence name resolution in Python programs. By the end of this…

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Atomic Objectspin.atomicobject.com ↗LinkedIn X

The Importance of Play & Whimsy at Work (opens on the source site)

Children don’t solve for play or whimsy. It’s a natural state of being, and many experiences we have in our youth are linked to imagination in some way. When I was younger, to feel imaginative meant to change the world around me, and that immersion drove my definition, understanding, and interaction with the world as it […] The post The Importance of Play & Whimsy at Work appeared first on Atomic Spin.

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Real Pythonrealpython.com ↗LinkedIn X

Quiz: How to Get a List of All Files in a Directory With Python (opens on the source site)

In this quiz, you’ll test your understanding of How to Get a List of All Files in a Directory With Python. By working through this quiz, you’ll revisit how .iterdir() hands you the contents of a single directory, how glob patterns let .glob() and .rglob() filter results by name, and how .rglob() walks an entire directory tree. You’ll also check your understanding of filtering on attributes with comprehensions and filter(), and of skipping junk directories instead of listing every file inside them. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to…

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OCTO Technologyblog.octo.com ↗LinkedIn X

Le développement agentique est-il le fossoyeur de la modélisation métier ? - Part 2 (opens on the source site)

Dans la première partie, nous avons vu que le développement agentique ne remet pas seulement en question notre manière de produire du code : il transforme aussi la manière dont nous construisons notre compréhension du problème.

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Vercelvercel.com ↗LinkedIn X

Agents can now buy domains with the Vercel CLI (opens on the source site)

Your agent can now use the Vercel CLI to buy a domain. The agent discovers candidates with vercel domains search, checks availability and registrar pricing with vercel domains check and vercel domains price, and initiates the purchase with vercel domains buy. The purchase decision itself stays with you by design. Run non-interactively, vercel domains buy returns a structured, machine-readable error and the suggested next commands, so the agent hands the confirmation back to you, prohibiting it from spending money without your approval. You can confirm the price, the auto-renew choice, and the…

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Vercelvercel.com ↗LinkedIn X

Deployment Storage billing begins for existing Pro teams (opens on the source site)

Deployment Storage and Functions Storage billing will begin for all Pro teams at $0.10 per GB-month. Check your email for details about when billing will start for your team. To keep storage costs low, the deployment retention window also changes to 30 days. Deployments older than 30 days will be deleted starting October 23, unless you opt out in your retention settings before then. Retention settings already at 30 days or shorter are unchanged. Control your Deployment Storage Review retention periods for Pre-Production, Production, Canceled, and Errored deployments with a Deployment…

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Vercelvercel.com ↗LinkedIn X

New Pro teams now default to 30-day deployment retention (opens on the source site)

New Pro teams now default to a 30-day deployment retention period. Coding agents have accelerated development, increasing deployment frequency and the amount of stored deployment history. Shorter retention keeps recent history available while limiting older history and its storage costs. You can choose a longer retention period in your team's settings when you need more history for inspection or rollback. Deployment Storage and Functions Storage each cost $0.10 per GB-month. Older deployments may be deleted under your retention policy. Deleted deployments cannot be restored or used for…

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