AI engineering, Agentforce, Salesforce development, and building developer tools.https://matheus.dev/en-ushttps://matheus.dev/vibe-coding-whos-this-for/https://matheus.dev/vibe-coding-whos-this-for/After three decades of coding, I’ve never seen anything transform how we build and think about software as fast as vibe coding does right now. I’ve been writing code since I can remember. From Basic programs and C compilers to video rental systems in Clipper and database logic, uMon, 10 Nov 2025 00:00:00 GMTAISalesforcehttps://matheus.dev/vs-code-extension-salesforce-metadata-opener/https://matheus.dev/vs-code-extension-salesforce-metadata-opener/A sleek, no friction way to open Salesforce metadata directly in your browser, right from VS Code. Salesforce Metadata Opener I bounce between code and Salesforce UI all day. Read a file, open the matching thing in the org, confirm a detail, return to code. Doing that many times Mon, 27 Oct 2025 00:00:00 GMTSalesforceVS Codehttps://matheus.dev/custom-related-list-and-edit-modal-lightning-web-components/https://matheus.dev/custom-related-list-and-edit-modal-lightning-web-components/Use Lightning Web Components to create a custom Related List that can link two objects, even without a formal relationship!Fri, 26 Jul 2024 00:00:00 GMTSalesforcehttps://matheus.dev/the-art-of-good-enough-in-software-design/https://matheus.dev/the-art-of-good-enough-in-software-design/In the world of software development, where the only constant is change, striving for perfection can often be akin to chasing a mirage. It’s a noble pursuit, yet, ironically, it can also be the very thing that holds back progress. Today, let’s delve into why embracing ‘good enougTue, 02 Apr 2024 00:00:00 GMTTechnologyhttps://matheus.dev/how-to-mock-formulas-and-non-writable-relationships-in-apex/https://matheus.dev/how-to-mock-formulas-and-non-writable-relationships-in-apex/Learn how to use dependency injection to mock read-only fields, such as formula fields and child relationships in your tests.Fri, 25 Mar 2022 00:00:00 GMTSalesforcehttps://matheus.dev/how-to-prepare-for-your-salesforce-javascript-developer-i-certification/https://matheus.dev/how-to-prepare-for-your-salesforce-javascript-developer-i-certification/Learn more about the Salesforce JavaScript Developer I Certification and how you can prepare using resources available on Trailhead.Mon, 31 Aug 2020 00:00:00 GMTSalesforcehttps://matheus.dev/javascript-developer-i-certification-empowering-javascript-developers-to-build-on-salesforce/https://matheus.dev/javascript-developer-i-certification-empowering-javascript-developers-to-build-on-salesforce/Now, for the first time, we’re empowering JavaScript developers to showcase their ability to build on the Salesforce Platform.Fri, 24 Jul 2020 00:00:00 GMTSalesforcehttps://matheus.dev/how-to-select-the-salesforce-release-for-a-scratch-org/https://matheus.dev/how-to-select-the-salesforce-release-for-a-scratch-org/Did you know that you can specify the release (preview / previous) when creating a scratch org? You can now proactively check if your code is in good shape!Mon, 29 Jul 2019 00:00:00 GMTSalesforcehttps://matheus.dev/how-to-query-salesforce-code-coverage/https://matheus.dev/how-to-query-salesforce-code-coverage/In Salesforce Orgs, code coverage percentage is a calculation of the number of covered lines divided by the sum of the number of covered lines and uncovered lines. In addition to ensuring the quality of your code, unit tests enable you to meet the code coverage requirements for dTue, 18 Sep 2018 00:00:00 GMTSalesforcehttps://matheus.dev/unit-test-mock-relationships-apex/https://matheus.dev/unit-test-mock-relationships-apex/I’ve been trying to use some of my spare time to help my fellow Salesforce Developers in our community. And one of the best places to do so, is Salesforce Stack Exchange. And a few days ago someone posted the following question: How can I write a test method withoutTue, 24 Apr 2018 00:00:00 GMTSalesforcehttps://matheus.dev/best-practices-deleting-salesforce-customizations/https://matheus.dev/best-practices-deleting-salesforce-customizations/Custom Visualforce Components can be very useful, but we have to be careful about how we use it, to avoid cyclical references and infinite loops.Fri, 22 Sep 2017 00:00:00 GMTSalesforcehttps://matheus.dev/trailhead-to-boost-your-team-knowledge/https://matheus.dev/trailhead-to-boost-your-team-knowledge/This content was presented during Trailhead Live Atlanta, in September 14th, 2017. Some people say we never stop learning, because life never stop teaching. Sometimes, the difference between a bad day and a good day is if we learned something. It’s all about the joy of understandSun, 17 Sep 2017 00:00:00 GMTSalesforcehttps://matheus.dev/salesforce-dx-useful-cli-commands/https://matheus.dev/salesforce-dx-useful-cli-commands/Custom Visualforce Components can be very useful, but we have to be careful about how we use it, to avoid cyclical references and infinite loops.Wed, 30 Aug 2017 00:00:00 GMTSalesforcehttps://matheus.dev/visualforce-components-and-circular-reference/https://matheus.dev/visualforce-components-and-circular-reference/Custom Visualforce Components can be very useful, but we have to be careful about how we use it, to avoid cyclical references and infinite loops.Tue, 27 Jun 2017 00:00:00 GMTSalesforcehttps://matheus.dev/curious-behavior-specialization-sobjects-salesforce/https://matheus.dev/curious-behavior-specialization-sobjects-salesforce/Each Salesforce record is represented as an sObject. Learn how you can use it with the concepts of Specialization and Generalization with Apex.Wed, 31 May 2017 00:00:00 GMTSalesforcehttps://matheus.dev/how-salesforce-handles-null-and-empty-strings/https://matheus.dev/how-salesforce-handles-null-and-empty-strings/It's very helpful to understand the differences between NULL and EMPTY strings on Salesforce. Let's use Force.com Developer Console to see what happens!Tue, 11 Apr 2017 00:00:00 GMTSalesforcehttps://matheus.dev/write-advanced-test-class-advanced-trigger/https://matheus.dev/write-advanced-test-class-advanced-trigger/If you’re reading this article, I understand you have already been exposed to the basic concepts of Salesforce triggers, test classes and the best practices related to it, right? If you’re not familiar with these patterns, take a look: Triggers Don’t forget that trigger handle upThu, 19 Jan 2017 00:00:00 GMTSalesforcehttps://matheus.dev/ended-becoming-salesforce-developer/https://matheus.dev/ended-becoming-salesforce-developer/How being in touch with the most amazing community of developers and using Salesforce Trailhead helped me becoming a Salesforce Developer.Tue, 10 Jan 2017 00:00:00 GMTSalesforcehttps://matheus.dev/5-lightning-tips-visualforce-developers/https://matheus.dev/5-lightning-tips-visualforce-developers/The demand for Lightning Component development has continued to grow and will eventually overtake the demand for new Visualforce development. Development being done in new orgs, orgs that have made the switch to or that want a path to switch to the Lightning Experience will most Mon, 09 Jan 2017 00:00:00 GMTSalesforcehttps://matheus.dev/salesforce-dev-best-practices/https://matheus.dev/salesforce-dev-best-practices/Configuration and Development Salesforce projects require configuring your application and sometimes developing code. To ensure performance, maintainability and platform limits, you need to do the right configuration. It is not because “it works” that it is correctly configured. Thu, 01 Dec 2016 00:00:00 GMTSalesforcehttps://matheus.dev/geolocation-salesforce-google-api/https://matheus.dev/geolocation-salesforce-google-api/Learn how to get Geolocation on Salesforce using Google API, with a source code for triggers, or by using the brand new Salesforce Automatic Geocode.Tue, 15 Nov 2016 00:00:00 GMTSalesforcehttps://matheus.dev/trello-salesforce-integration/https://matheus.dev/trello-salesforce-integration/Trello + Salesforce Integration. A collaboration tool that organizes your projects into boards combined with Github and Salesforce! Learn more.Mon, 29 Aug 2016 00:00:00 GMTSalesforcehttps://matheus.dev/melhores-tecnologias-proteger-distracoes/https://matheus.dev/melhores-tecnologias-proteger-distracoes/Tecnologias deveriam ser pensadas para nos ajudar a se focar no que realmente é importante. Como desenvolver software com esse intuito?Fri, 05 Aug 2016 00:00:00 GMTTechnologyhttps://matheus.dev/salesforce-development-team-best-practices/https://matheus.dev/salesforce-development-team-best-practices/TFS? SVN? Github? CVS? The repository is very important, but communication is the key. Let's organize existing great ideas!Tue, 26 Apr 2016 00:00:00 GMTSalesforce