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#General #Development #Mobile Development #Cloud & DevOps #Cybersecurity & Privacy #AI & Data Science #Hardware & Gadgets #Design & UXAzure IOT Cloud-to-Device Communication Methods
Today, managing communication between the cloud and millions of smart devices is challenging. Suppose you are managing a huge number of devices out there and you need to push some critical device state update to them all, but many of them are offline or may have spotty network issues; how do you make sure this message gets through? The Azure IoT Hub provides three major cloud-to-device communication mechanisms: C2D...
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Benchmarking Instance Types for Amazon OpenSearch Workloads
Choosing the optimal instance type for Amazon OpenSearch clusters is crucial for balancing performance and cost. With AWS offering both the OpenSearch-specialized OM2 instances and the newer general-purpose M7g instances, organizations face an important decision. While OM2 instances are tailored for OpenSearch with high memory-to-vCPU ratios, M7g instances bring the latest technology, promising enhanced overall...
Think in Graphs, Not Just Chains: JGraphlet for TaskPipelines
JGraphlet is a tiny, zero-dependency library for building task pipelines in Java. Its power comes not from a long list of features, but from a small set of core design principles that work together in harmony. At the heart of JGraphlet is simplicity, backed by a Graph. Add Tasks to a pipeline and connect them to create your graph. Each Task has an input and output. A TaskPipeline builds and executes a pipeline while...
CTO / Founding Engineer Needed — Equity (NOT A PROMOTION OR JOB LISTING)
Demo Video Below (THIS IS NOT A PROMOTION - JUST LOOKING FOR COFOUNDER) https://drive.google.com/file/d/15qr4JYBfnqjXpkli0LJAX-qio7fEL8kz/view?usp=drivesdk Seeking an equity cofounder CTO Repo: https://github.com/romer288/Tranquiloo-App.git. DM me if interested. What is Tranquiloo? (THIS IS NOT A PROMOTION - JUST LOOKING FOR COFOUNDER) 24/7 companion, therapist-friendly cadence: patients check in and get evidence-based...
Looking for a coding buddy for variety of projects.
Like the title says, i'm looking for a coding buddy to do some cool stuff. I'm constantly making new programs, tools, ai integrations, RAG systems, websites etc and I do some of it for personal needs, some for my business, some for clients, etc but am looking for someone who also loves coding and doing projects to help, work together, build stuff, etc... For profit or for fun doesn't matter. Just looking to connect and...
TRACKER PROJECT
I'm working on a college project. Public transportation in my city is very poor, and I want to create a website with a bus tracker so people know where the bus is coming from. I'm not a programmer, and I plan to do the project by hiring students who want to support it. I did some research and my idea is that a tracker (Sinotrack) would be connected to a bus, the information would be sent to a server and all that...
JDK comparisons
I was reading https://devblogs.microsoft.com/dotnet/performance-improvements-in-net-10/#primitives-and-numerics and I wonder why do not we have something similar for java and prepared this page. I am aware these numbers will not solve any problem or bring much value but still I can not believe every new version is better then the older version, and from the first look 25 does not seem to beat up 24 on many tests. Also...
Garbage Collection (GC) Pauses: A "stop-the-world" GC pause in a critical service
payment processing service handles 50,000 transactions per second flawlessly for months. Then, at 2 AM during Black Friday traffic, a single 8-second garbage collection pause freezes your entire checkout flow. Upstream services timeout, circuit breakers trip, and within minutes, your entire distributed system cascades into failure. This scenario has taken down giants like Netflix, Uber, and countless fintech platforms....
An extensive FAQ on Trump's announcement about H1-B visas - What, Why and impct on families
What is this announcement about? The H-1B program offers 65,000 visas annually to employers for temporary foreign workers in specialized fields, plus 20,000 for workers with advanced degrees. President Trump signed a proclamation imposing an annual $100,000 fee per H-1B visa. The goal is to encourage training and hiring of American workers instead of bringing foreign workers taking jobs. Who is impacted? Employers...
Microsoft asks all its foreign staff to return to US by Sunday after Trump's H1-B bombshell
submitted by /u/balianone [link] [comments]
Video in which I go over AABB collision system, gravity, as well as resolution for my indie custom Engine C++ game!
The video goes over my custom engine C++ game that I coded from scratch, and showcases code for Axis Allied Bounding Boxes and their application when it comes to gravity and collision resolution in gaming. submitted by /u/CommercialStrike9439 [link] [comments]
Evolving our real-time timeseries storage again: Built in Rust for performance at scale
submitted by /u/ketralnis [link] [comments]
A Windows port of Terry Davis' HolyC from TempleOS called SchismC
If you know the story about TempleOS and Terry Davis you will likely find this interesting. I'm posting here because I think the vast majority of you will understand this for the undertaking that it is. It is, admittedly, a combination of hand coding and vibe coding but I never would have finished it without AI assistance. Even with AI assistance it took a lot of trouble shooting to remain as true as possible to the...
How to Create Documentation that Helps Your Tech Community Grow
Good documentation is the backbone of a supported and empowered community. From the moment someone new joins and finds a clear guide to get started, to the experienced member who can quickly find a process, well-organized information saves everyone t...
Apache Kafka Fundamentals
Hi everyone, In this blog, I tried to explain the different components of Kafka. I also covered how load balancing works in Kafka. If you are an absolute beginner, I would suggest reading this blog and sharing your feedback. For those with experience, I would love to hear your suggestions on what more could be added in the next part. If you have any book recommendations, please feel free to share them as well. Thank...
How to Tokenize Text in Python — Explained with Code Examples
When working with Python, you may need to perform a tokenization operation on a given text dataset. Tokenization is the process of breaking down text into smaller pieces, typically words or sentences, which are called tokens. These tokens can then be...
Your SDLC Has an Evil Twin — and AI Built It
You think you know your SDLC like the back of your carpal-tunnel-riddled hand: You've got your gates, your reviews, your carefully orchestrated dance of code commits and deployment pipelines. But here's a plot twist straight out of your auntie's favorite daytime soap:there'san evil twin lurking in your organization(cue the dramatic organ music).
Tiny Deltas, Big Wins: Schema-Less Thrift Patching at Planet Scale
Introduction: The Power of Tiny Deltas Imagine this common scenario: you have a binary Thrift blob, perhaps holding crucial transaction data or image metadata, stored in a distributed cache. Suddenly, a single field within that blob needs an update — maybe a transaction status change, or an image is flagged as sensitive. The catch? You don't have the Thrift IDL (Interface Definition Language) schema readily available...
Distributed Cloud-Based Dynamic Configuration Management
It is not uncommon for back-end software to have a configuration file to start up with. These are generally YAML or JSON files, which are loaded by the system while starting up, and are then used to set up initial configuration for a system. Values included here may affect business logic or infrastructure. Let us create a new service called DumplingSale (because I love dumplings, or as we call them, momos). This...
Deep Dive into Distributed File System Permission Management: Linux Security Integration
In multi-user environments with high-security requirements, robust permission controls are fundamental for resource isolation. Linux's file permission model provides a flexible access control mechanism, ensuring system security through user/group permission settings. For distributed file systems supporting Linux, compliance with this model is critical for consistent security. This article explores key Linux permission...
Learn Chess and Become a Better Developer with Ihechikara Abba (ELO rating of 2285) [Podcast #189]
On this week's freeCodeCamp podcast we're talking with software engineer Ihechikara Abba, who has a chess ELO rating of 2285, putting him among top competitive chess players. We just published his freeCodeCamp course on chess end games, and an accomp...
A Backend-First Approach to Production-Scale LLM Applications
A few months ago, I launched the first version of my platform, which operated without AI functionality. It worked well for its initial purpose, but I knew it could do more. A few weeks ago, I rolled out version two, this time with large language models (LLMs) as its core component. It was designed to operate through a structured workflow in which the frontend sends requests to the backend, where the platform applies...
A Brief Introduction to SQLite
SQLite is one of the most underappreciated tools in a developer's toolkit. It's a full-featured relational database that runs directly in your application. No server setup. No configuration files. No network protocols. Just a simple library that give...
VS Code Agent Mode: An Architect's Perspective for the .NET Ecosystem
GitHub Copilot agent mode had several enhancements in VS Code as part of its July 2025 release, further bolstering its capabilities. The supported LLMs are getting better iteratively; however, both personal experience and academic research remain divided on future capabilities and gaps. I've had my own learnings exploring agent mode for the last few months, ever since it was released, and had the best possible outcomes...
How to Use Nano Banana for Image Generation - Explained with Code Examples
AI is changing the image generation and editing process into a smooth workflow. Now, with just a single prompt, you can tell your computer to generate or edit an existing image. Google just launched its new model for image generation or editing, "Nan...
How to Store Data Locally with Isar in Flutter
When building Flutter applications, managing local data efficiently is critical. You want a database that is lightweight, fast, and easy to integrate, especially if your app will work offline. Isar is one such database. It is a high-performance, easy...
7 API Integration Patterns: REST, gRPC, SSE, WS, and Queues
There are multiple API integration patterns. I have already mentioned and described some of the differences in different articles:gRPC vs REST,WebSockets vs SSE. This text is a kind of One Ring article — one to rule them all. I want you to have a single place where you can find a comparison of all the API integration patterns done in a clear and consistent manner. Thus, I have put here all the previous comparisons, and...
Exploring Text-to-Cypher: Integrating Ollama, MCP, and Spring AI
When text-to-query approaches (specifically, text2cypher) first entered the scene, I was a bit uncertain how it was useful, especially when existing models were hit-or-miss on result accuracy. It would be hard to justify the benefits over a human expert in the domain and query language. However, as technologies have evolved over the last couple of years, I've started to see how a text-to-query approach adds flexibility...
Spring Boot WebSocket: Building a Multichannel Chat in Java
As you may have already guessed from the title, the topic for today will be Spring Boot WebSockets. Some time ago, I provided an example of WebSocket chat based on Akka toolkit libraries. However, this chat will have somewhat more features, and a quite different design. I will skip some parts so as not to duplicate too much content from the previous article. Here you can find a more in-depth intro to WebSockets. Please...
Off with your CMS’s head! Composability and security in headless CMS
Ryan welcomes Sebastian Gierlinger, VP of Engineering at Storyblok, to talk about how headless content management systems (CMS) fit into an increasingly componentized software landscape.
Prepare for the Databricks Data Engineer Associate Certification Exam – And Pass!
Prepare for the Databricks Data Engineer Associate Certification exam and pass! We just posted a new course from Andrew Brown on the freeCodeCamp.org YouTube channel that will help you earn the Databricks Data Engineer Associate Certification. This c...
Apps Script Engine now has TypeScript support
submitted by /u/congolomera [link] [comments]
The Day the Linter Broke My Code
submitted by /u/ketralnis [link] [comments]
Introducing New freeCodeCamp Certifications in the Full Stack Developer Curriculum
I'm a big fan of CompTIA and the rigor of their certifications. I wanted freeCodeCamp's new Full Stack Developer cert to be similarly rigorous. But I made one major miscalculation. I underestimated people's desire to earn certifications within less t...
Best Software Engineer Books: Build Your Personal Library
I believe that every one of us, software engineers, should have our own personal library of software engineering books. Whether in old plain-text book form or in a newer, more eco-friendly electronic one is an open question. The important thing is to actually have one. I am one of those strange people who believe that we, in general, should read books. Doing so has multiple benefits, but let's not dive too deep into...