Radar MJCR sobre SaaS, IA, WebDEV e negócios digitais.
Uma curadoria automática de tendências, notícias e discussões úteis para quem cria produtos digitais, vende serviços online ou acompanha inteligência artificial aplicada aos negócios.
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O que vale acompanhar agora.
Os cards abaixo levam para as fontes originais. A MJCR organiza a leitura para facilitar pesquisa, repertório e tomada de decisão.
How Businesses Can Benefit from Commercial Rooftop Solar
Electricity is one of the major operating expenses for many businesses, especially factories, warehouses, offices, and commercial facilities. With increasing interest in renewable energy, rooftop solar has become a prac…
Why Practical Learning Matters in Digital Marketing
Digital marketing is a constantly changing field where practical experience can be just as important as theoretical knowledge. Students who want to build a career in SEO, paid advertising, social media, content marketin…
5 Best Heroku Alternatives for Backend Apps
A typical backend project isn't just one process. It's an API, a database, maybe Redis for caching, a worker handling queued jobs, and a scheduled task running cleanup at 2am. On Heroku, that usually meant multiple dyno…
A Ilusão do Alívio Imediato e o Ocultamento de Sintomas Graves
O hábito de recorrer ao armário de remédios de casa ao primeiro sinal de dor de cabeça, febre ou desconforto abdominal é uma prática enraizada na cultura brasileira. No entanto, aliviar artificialmente um sintoma sem in…
Your resume is probably getting rejected by a bot before a human (HR) ever sees it
You apply. You wait. Nothing. No rejection, no interview, just silence. If that sounds familiar, here's the uncomfortable part: at most mid-to-large companies, a human may never have opened your resume. Software read it…
From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate
I audited a Shopify store last month. The homepage was 22MB. Product images averaged 4MB each. Page load: 8.2 seconds. The conversion rate was 1.1%. What I Found The product photos were straight out of a DSLR — 6000x400…
Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story
The deploy failed at 11 PM with a cryptic error: "Unexpected token } in JSON at position 5824." Two developers stared at the minified config file for ten minutes. Line 247. A trailing comma in a 200KB JSON object. Why M…
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions
I audited a client site that had been live for six months. On a hunch, I added their site to my iPhone home screen. A gray letter placeholder. Six months of visitors bookmarking the site and seeing a generic icon. The T…
Reference, Extend, or Edit? Choosing an AI Video Workflow
AI video tools increasingly let us upload existing media instead of starting with text alone. But attaching a video creates a new problem: what exactly should the model do with it? Depending on the tool, an uploaded cli…
How To Make a Withdrawal From Your Fidelity 401(k) Before Retirement?
How To Make a Withdrawal From Your Fidelity 401(k) Before Retirement? Planning a Fidelity 401k withdrawal before retirement requires understanding your employer's retirement plan rules, IRS regulations, taxes, and poten…
AI News in 5 Minutes: August 11, 2026
AI News in 5 Minutes: August 11, 2026 The AI news cycle moves fast. Here's what actually mattered in the last 24 hours, and what's worth your attention if you build with AI. 1. Malicious MCP Servers Can Split Instructio…
A Simple OpenAI-Compatible Python Backend API for Prompt-to-Image Marketing Assets
Short answer: A marketing image feature can start as one narrow backend operation: accept a prompt, call an OpenAI-compatible image generation API, and return a URL or base64 image while the server owns model selection,…
AI Technology for Regulated Enterprises: SLM vs LLM Deployment Framework [2026]
Originally published at twarx.com - read the full interactive version there. Last Updated: August 11, 2026 Most AI technology programs in regulated industries are quietly solving the wrong problem. They spend weeks argu…
TabForge AI: a complete platform for building Java Web + AI apps
Modern AI UX — chat panels, tool-calling agents, assistants that remember context and even suggest your next step — has lived in JavaScript SaaS for years. The Java enterprise stack has been left doing it the hard way.…
What "Agentic AI" Actually Means in 2026 (and What It Doesn't)
"Agentic" has become one of those words that means something specific to the people building these systems and something much vaguer to almost everyone else using it in a sentence. Marketing copy calls a chatbot with a…
The Dev Productivity Stack for 2026: Tools I Can't Live Without
Every year the "essential dev tools" list gets rewritten, and most of it is noise — a new linter, a slightly faster package manager, another Slack integration nobody asked for. But every few years, a handful of tools ch…
Everyone knows their churn rate. Almost nobody knows which screen causes it.
Every SaaS team I talk to can tell me their churn rate to the decimal. Almost none can tell me which screen loses people. We've built a whole industry around measuring the outcome and almost nothing around understanding…
Tips on reddit marketing?
I have been trying to crack reddit marketing for a few months now. I hate the reddit marketing tools online that send mass replies to so many random users without any goal or proper interaction. I even created a copywri…
Roast this startup idea before I waste another 6 months on it
the idea: companies spend money getting people onto their website. most visitors don't convert. ClientX tries to turn those visitors into conversations automatically. that's it. no “10 AI agents”. no 47-step CRM. no rep…
Almost quit my SaaS after 3 years without sales, now we do 500 last week.
I remember when I got my first Stripe payment, it was 47 euros. I feels unreal. Then I didn't sell for months. Before that I've build for 3 years. Yeah it was before chatgpt. Got into depression after this one sales. I…
Pre launch checklist for anything you vibe coded, 11 things, takes about 20 minutes
Wrote this after looking at a lot of agent-built apps that were one bad afternoon away from a serious problem. None of it is hard, it is just that nobody tells you to check. Change an id in a url and see if you can read…
Closing Canario Terminal source code
Article URL: https://rapha.land/closing-canario-terminal-source-code/ Comments URL: https://news.ycombinator.com/item?id=49254881 Points: 18 # Comments: 20
France to ban unsolicited telemarketing calls
Article URL: https://www.lemonde.fr/en/france/article/2026/08/06/france-to-ban-unsolicited-telemarketing-calls-from-august-11_6756208_7.html Comments URL: https://news.ycombinator.com/item?id=49254880 Points: 397 # Comm…
Show HN: Mcptoon – Token-efficient MCP CLI client
Article URL: https://github.com/activeing123/mcptoon Comments URL: https://news.ycombinator.com/item?id=49253721 Points: 56 # Comments: 40
Recycle – Floppydisks
Article URL: https://www.floppydisk.com/recycle Comments URL: https://news.ycombinator.com/item?id=49252462 Points: 74 # Comments: 32
Dropped out of college to build a SaaS and completely underestimated how hard it would be
I'm a 20 year old college dropout. While I was in school I felt completely drained, lost in life, and had no idea what direction I was heading. But I've always had a sense of creativity and a drive to build something of…
H3-metal – Native MiniMax-H3 inference for Apple Silicon
Article URL: https://github.com/antirez/h3.c Comments URL: https://news.ycombinator.com/item?id=49252179 Points: 314 # Comments: 67
Chicken Scheme 6.0
Article URL: https://code.call-cc.org/releases/6.0.0/NEWS Comments URL: https://news.ycombinator.com/item?id=49251702 Points: 214 # Comments: 29
The UK's war on anonymity has come to America
Article URL: https://www.effort.news/uk-lobby Comments URL: https://news.ycombinator.com/item?id=49251411 Points: 543 # Comments: 549
Show HN: Scroll through all 43252003274489856000 Rubik's Cube states
Article URL: https://everycube.alen.is/ Comments URL: https://news.ycombinator.com/item?id=49251179 Points: 218 # Comments: 76
Brasil desenvolve protocolo para integrar inteligência artificial ao comércio digital - Brasil 247
Brasil desenvolve protocolo para integrar inteligência artificial ao comércio digital Brasil 247
Nova vertical da CNN Brasil amplia cobertura sobre Inteligência Artificial - cnnbrasil.com.br
Nova vertical da CNN Brasil amplia cobertura sobre Inteligência Artificial cnnbrasil.com.br
Vime Digital aponta site como ferramenta de negócios - tribunadopovoto.com.br
Vime Digital aponta site como ferramenta de negócios tribunadopovoto.com.br
Por que empresas de IA compram e destroem livros antigos - Fast Company Brasil
Por que empresas de IA compram e destroem livros antigos Fast Company Brasil
Inteligência artificial ganha espaço nos pequenos negócios - G1
Inteligência artificial ganha espaço nos pequenos negócios G1
Anyone is interested in becoming a Mod in r/SaaS?
please comment submitted by /u/Dubinko [link] [comments]
Nokia surpreende mercado após explosão dos pedidos de inteligência artificial - Economic News Brasil
Nokia surpreende mercado após explosão dos pedidos de inteligência artificial Economic News Brasil
Estudo de Stanford: Brasil se destaca no uso individual de IA, mas falha em empresas - startups.com.br
Estudo de Stanford: Brasil se destaca no uso individual de IA, mas falha em empresas startups.com.br
Qualificação, tecnologia e empreendedorismo: Governo de MS prepara jovens para liderar a nova economia digital - Portal Único ms.gov.br
Qualificação, tecnologia e empreendedorismo: Governo de MS prepara jovens para liderar a nova economia digital Portal Único ms.gov.br
Senac abre quase 500 vagas em Cuiabá com destaque para cursos de inteligência artificial e tecnologia - Gazeta Digital
Senac abre quase 500 vagas em Cuiabá com destaque para cursos de inteligência artificial e tecnologia Gazeta Digital
Conheça as empresas de inteligência artificial no Brasil - Omie
Conheça as empresas de inteligência artificial no Brasil Omie
Empresas de tecnologia ofertam 191 vagas focadas em IA | SEGS Portal Nacional de Seguros, Saúde, Info,... - SEGS Portal Nacional
Empresas de tecnologia ofertam 191 vagas focadas em IA | SEGS Portal Nacional de Seguros, Saúde, Info,... SEGS Portal Nacional
Brasil já tem regras para inteligência artificial, diz líder da OpenAI na América Latina - Exame
Brasil já tem regras para inteligência artificial, diz líder da OpenAI na América Latina Exame
Tecnologia e inovação entram na pauta do desenvolvimento - Prefeitura Municipal de Ubatuba
Tecnologia e inovação entram na pauta do desenvolvimento Prefeitura Municipal de Ubatuba
New rule banning a SaaS product category: No Promotional or Advertising SaaS
Hello SaaSers, Today we are announcing a new rule against content dedicated to an entire Software as a Service product category on the sub: Promotional or Advertising SaaS. We as moderators and regular users have been s…
Factorial capta Série D de €150M e amplia operação no Brasil - startups.com.br
Factorial capta Série D de €150M e amplia operação no Brasil startups.com.br
Maravalley é palco de eventos de inovação, na esteira do Web Summit Rio - prefeitura.rio
Maravalley é palco de eventos de inovação, na esteira do Web Summit Rio prefeitura.rio
Brasil se destaca em ranking de qualificação em tecnologia - iFood
Brasil se destaca em ranking de qualificação em tecnologia iFood
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