Migrating a Blog From Wix to Astro: What Breaks
Moving 138 posts from Wix to Astro: the code, images, videos, and tables the export silently drops, and how I recovered every piece without fabricating a thing.
Jul 9, 2026
Guides
Reference-style deep dives and explainers you can come back to.
AI Agent Skills: What They Are and How to Use Them
A beginner's guide to AI agent skills: what a SKILL.md file is, how to set one up in Claude Code, and how to hand an AI an llms.txt to pick the skill it needs.
Jul 4, 2026
DataWeave 2.0 scopes for local variables: 'using' vs. 'do' operators
In this post, I'll go through some of the main differences between these two operators so you decide which one to use in your scripts!
Simplified try-catch strategy in DataWeave with the default keyword (instead of try/orElse)
The other day I was reading some StackOverflow DataWeave questions and I got to this very interesting thread.
Universal API Management, Anypoint Flex Gateway, and API Governance
As you are aware that recently MuleSoft has introduced Universal API Management capabilities via Flex Gateway and API Governance components as part of Anypoint Platform. These two components are very important as a part of API lifecycle management and those will help to manage any APIs using a single platform and ensure that whatever API specs that you are designing are with best practices and all security aspects have been taken care of during API design.
May 31, 2022
3 scenarios to consume an Apache Kafka Topic with MuleSoft
This article is going to explain the mechanisms that you can use within a MuleSoft application to read messages from a Topic and partitions, and which are the expected behaviors and consequences.
May 10, 2022
Oracle database Stored Procedure does not time out as expected in MuleSoft
In a recent MuleSoft project, I noticed a problem when trying to run an Oracle stored procedure that took a fair amount of time to complete.
How to Handle Single and XA (Extended Architecture) Transactions in MuleSoft
A transaction is a group of operations where all the steps are needed to be successful to commit a result. If any one of the intermediate steps fail, the whole chain of steps fails collectively. In this post, we'll learn how to implement Single and XA transactions using MuleSoft.
Oct 12, 2021
How to create a README file for your GitHub profile, part 1: Intro to Git, GitHub, and README files
In this series of posts, I’ll show you how to create a striking README.md file to attach to your GitHub profile.
DataWeave Parsing Date Modes: SMART, STRICT, and LENIENT
We know that in DataWeave the types can be coerced from one type to another. For that we use the as operator. There is a property called mode that we can use when we are parsing date and time values. The mode parameter has three different valid values: SMART, STRICT, and LENIENT. The default mode when you are parsing dates is SMART.
My top 5 DataWeave tips to make your life easier
It took me some time to find and fully understand how to use these hacks. Trust me; they're truly worth it: the DataWeave Playground, the dw output, the log function, the do statement, and assigning types to variables and functions (with Function Overloading when needed).
ProstDev's New Blog Post Template
A step-by-step guide for new writers on how to create a blog post with ProstDev, covering the Google Doc template, word count, title, excerpt, SEO description, article formatting, and the review process.
May 4, 2021
3 ways to import a function/module in DataWeave 2.0
There are different ways to import a module in DataWeave for functions that aren't part of the core: import the module directly, import all functions from a module, or import one or more specific functions from a module.
DataWeave 2.0 core functions cheatsheet
A compilation of all the core functions that can be used in DataWeave 2.0 according to MuleSoft's official documentation, separated by input and output, with a link to each function's official documentation page.
Understanding APIs (Part 6): What are HTTP Status Codes?
There are a lot of Status Codes reserved for certain API Responses, but we will be looking at the most popular ones: 200, 201, 202, 204, 400, 401, 403, 404, and 500.
Anypoint Platform Chrome Extension
A walkthrough of the features available so far in the Anypoint Platform Chrome Extension: see your Organization name, Organization id and Environment id, inspect Runtime Manager applications, view schedulers, and check alerts.
Dec 1, 2020
Understanding APIs (Part 4): What is a URI?
Learn what a URL and a URI really are and how they fit into our previously defined API diagram, using the public Joke API as a hands-on example.
Understanding APIs (Part 3): What are HTTP Methods?
The most popular HTTP methods are GET, POST, PUT, PATCH, and DELETE. GET retrieves data, POST creates new data, PUT updates or replaces data, PATCH updates parts of existing data, and DELETE removes data — and how each fits into the API Request and Operation.
What is CIDR (Classless Inter-Domain Routing) in MuleSoft VPC
CIDR stands for Classless Inter-Domain Routing and it's a way of allocating IP addresses or hosts in a more efficient manner. It replaces the old way of allocating IP addresses based on the class system and avoids the waste of IP Addresses.
Sep 29, 2020
Implementing Mapping Rules With MuleSoft Dedicated Load Balancer
Dedicated Load Balancer is an optional component within the Anypoint Platform used to route HTTP and HTTPS traffic to multiple applications deployed to CloudHub workers in the VPC. Learn how to apply mapping rules on a dedicated load balancer (DLB) to redirect requests to CloudHub apps.
Sep 22, 2020
Things to consider before writing a technical blog post
Thinking about writing your first technical article but not sure where to start? Here are some tips on choosing what to write about and defining your target audience so you can get your first post out.
Sep 8, 2020
Understanding APIs (Part 2): API Analogies and Examples
Learn about some analogies and real-life examples of APIs to understand them better, including a restaurant, a calculator, and a Human Resources (HR) API using CSV and JSON data types.
Understanding APIs (Part 1): What is an API?
The concept of an API can be hard to grasp. This post gives a simple explanation of what an API is, its 4 aspects (Inputs, Operations, Outputs, Data Types), and how Requests and Responses fit together — plus a diagram to refer back to.
Reviewing Sorting Algorithms: Merge Sort
Learn how to implement a Merge Sort sorting algorithm using Python. Merge Sort's time and space complexity: worst, best, average case time complexity and space complexity. Big-O Complexity Chart and more study resources to understand how to implement this sorting technique with other programming languages.
Aug 25, 2020
3 simple rules & 5 examples to understand the Error Handling in Mule 4
This article on Error Handling in Mule 4 will help you understand the core concept of On-Error Propagate and On-Error Continue, with three simple rules and five examples.
Aug 13, 2020
Parallel For-Each Scope (Mule 4)
Learn how to implement the new ForEach MuleSoft component that was released in Mule 4. Read this post for information about this integration technique: how does it work, how can you implement it, how to install in your Mule palette, and how to configure Error Handling for this scope.
Aug 6, 2020
Reviewing Sorting Algorithms: Insertion Sort
Learn how to implement an Insertion Sort sorting algorithm using Python. Insertion Sort's time and space complexity: worst, best, average case time complexity and space complexity. Big-O Complexity Chart and more study resources to understand how to implement this sorting technique with other programming languages.
Aug 4, 2020
Reviewing Sorting Algorithms: Selection Sort
Learn how to implement a Selection Sort sorting algorithm using Python. Selection Sort's time and space complexity: worst, best, average case time complexity and space complexity. Big-O Complexity Chart and more study resources to understand how to implement this sorting technique with other programming languages.
Jul 14, 2020
Software Quality is not cheap, but would you risk your company's future for the lack of it?
Learn about what is software quality, what is a quality assurance resource (QA), best practices when coding, what is the importance of testing, some software quality types and objectives: unit testing, integration testing, system testing. Functional vs. Non-functional testing. How to ensure your customer's satisfaction
Jul 9, 2020
Scatter-Gather Integration Pattern (Mule 4) Part 2
Learn about the scatter-gather integration pattern and how to implement it in MuleSoft (Mule 4). How the input message gets processed, how to code error handling scope with this component, and how to test it using Postman. What happens if you have multiple services calls, and the configuration XML file for you to try.
Jul 7, 2020
Reviewing Sorting Algorithms: Bubble Sort
Learn how to implement a Bubble Sort sorting algorithm using Python. Bubble Sort's time and space complexity: worst, best, average case time complexity and space complexity. Big-O Complexity Chart and more study resources to understand how to implement this sorting technique with other programming languages.
Jun 30, 2020
5 reasons why you need an IDE (and how it can save you so much time)
What is an IDE? This post explains the concept and walks through five reasons you need one: syntax highlighting, text autocompletion, refactoring options, importing libraries, and build/compile/run — plus favorite IDE examples for different languages.
Jun 25, 2020
Intro to Scatter-Gather Integration Pattern
What is the Scatter-Gather integration pattern? Enterprise Integration Patterns definition. Learn about how this component processes messages in MuleSoft (Mule 3 or Mule 4), when you should use scatter-gather and how does it work, why you should be using it and how to implement it and test it with Postman.
Jun 23, 2020
Combining Objects: Concatenation in DW 2.0
What is object concatenation and how to use it in Mule 4 - DataWeave (DW) 2.0. Similar to concat or + functions in other languages, in DW you can use ++ (plus plus), using {( )} and {([ ])} parentheses object destructors with or without arrays. Learn more about MuleSoft here!
MuleSoft Training and Certification
An intro to what MuleSoft is, what the company and its products do, and how you can get certified for free through their online fundamentals training.
May 25, 2017
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