Thoughts on Social Media Anonymity (4 mins read).
My thoughts on the protection of social media anonymity.
by 
Jamie Tanna
.
#social-media.
Kind articles
Content Negotiation with Servlet Filter in Spring (Boot) (3 mins read).
How to perform content-negotiation in a Servlet Filter, to serve the correct representation of error to a consumer, based on the Accept header.
by Jamie Tanna
.
#blogumentation
#java
#spring-boot
#spring
#content-negotiation.
Content Negotiation with ControllerAdvice and ExceptionHandlers in Spring (Boot) (5 mins read).
How to perform content-negotiation in a Spring ExceptionHandler, to serve the correct representation of error to a consumer, based on the Accept header.
by Jamie Tanna
.
#blogumentation
#java
#spring-boot
#spring
#content-negotiation.
Error Handling in (Spring) Servlet Filters (2 mins read).
How to return HTTP errors when a Java Servlet fails with Spring (Boot).
by Jamie Tanna
.
#blogumentation
#java
#spring-boot
#spring.
Week Notes 22#02 (4 mins read).
What happened in the week of 2022-01-10?
by Jamie Tanna
.
#week-notes.
'Knowing Me, Knowing You': Wiggly ears, custom pizzas and a burst appendix (5 mins read).
A copy of answers to the DSA's 'Knowing Me, Knowing You'.
by Jamie Tanna
.
#personal
#cddo.
Announcing uuid, a Java Library for UUID Validation (1 mins read).
Releasing a new library that can be used to validate UUIDs in Java.
Validating UUIDs with Regular Expressions in Java (1 mins read).
How to validate UUIDs and UUIDv4s in Java with a regex.
Auditing with Spring Boot Actuator (9 mins read).
How to use Spring Boot Actuator for your audit and business event logging needs.
by Jamie Tanna
.
#blogumentation
#java
#spring-boot
#spring-security
#logs.
Returning a Value, or a Default, From a Java Optional (1 mins read).
How to replace imperative code with a functional style, when returning a default value for a Java Optional.
by Jamie Tanna
.
#blogumentation
#java.
Building an Automagically Updating Personal README for GitLab and GitHub (2 mins read).
Announcing the publishing of readme.jvt.me as well as automagically updating READMEs in my GitLab and GitHub profiles.
by Jamie Tanna
.
#go
#github
#gitlab
#readme.jvt.me
#microformats2.
Adding both an ObjectMapper and a YAMLMapper to Spring Boot (2 mins read).
How to have an ObjectMapper and a YAMLMapper coexisting in a Spring Boot project's bean dependencies.
by Jamie Tanna
.
#blogumentation
#java
#jackson
#spring-boot.
Week Notes 22#01 (4 mins read).
What happened in the week of 2022-01-03?
by Jamie Tanna
.
#week-notes.
Testing Data Serialisation/Deserialization in Java (with Gson) (3 mins read).
How to validate your JSON types correctly serialise/deserialise when using the Gson library.
Improving Life-Work Balance on GitHub using per-Organisation Notification Settings (2 mins read).
How to set up per-organisation notification settings so your personal email doesn't get work-related notifications.
by Jamie Tanna
.
#blogumentation
#github
#life-work-balance.
2021's Music In Review (5 mins read).
What music was I listening to in 2021?
by Jamie Tanna
.
#music.
Publishing to Maven Repositories with GitLab CI, with Signed Artefacts (4 mins read).
How to publish signed artefacts from a Gradle build to Maven repositories (such as Maven Central) when using GitLab CI.
by Jamie Tanna
.
#blogumentation
#gradle
#java
#gitlab-ci
#gpg.
Suppressing No pinentry warnings with GPG (in Automated Builds) (1 mins read).
How to get avoid No pinentry warnings when running GPG in automated build environments like CI/CD.
by Jamie Tanna
.
#blogumentation
#gpg.
Week Notes 21#52 (3 mins read).
What happened in the week of 2020-12-27?
by Jamie Tanna
.
#week-notes.
Gotcha: PicoContainer requires Zero-Argument Constructors (2 mins read).
A little gotcha around using PicoContainer (with Cucumber) where it may not be usable unless you have zero-arg constructors.
by Jamie Tanna
.
#blogumentation
#java
#cucumber
#picocontainer.
Using Dagger for Dependency Injection with Cucumber Tests (4 mins read).
How and why to add Dagger for your Cucumber tests' dependency injection.
Week Notes 21#51 (4 mins read).
What happened in the week of 2021-12-20?
by Jamie Tanna
.
#week-notes.
Publishing a NPM Package to npmjs.com from GitLab CI (1 mins read).
How to publish an NPM package to the public NPM registry, using GitLab CI.
Announcing a new package: @jamietanna/spectral-test-harness (1 mins read).
Announcing a new NPM package for easier testing of Spectral API linting.
by Jamie Tanna
.
#spectral-test-harness
#api
#unit-testing
#testing
#javascript
#nodejs.
Test Driven Development for Your Spectral Rules, using Jest (7 mins read).
How to write unit tests for Spectral API linting, in a test-driven development fashion.
by Jamie Tanna
.
#blogumentation
#spectral-test-harness
#spectral
#api
#unit-testing
#testing
#javascript
#nodejs
#tdd.
Autowiring your controllers automagically when using MockMVC and Spring Cloud Contract (2 mins read).
How to automagically set up your Spring controllers when using MockMVC with Spring Cloud Contract.
by Jamie Tanna
.
#blogumentation
#spring
#spring-boot
#spring-cloud-contract.
Decompiling Java Class Files On the Command-Line (2 mins read).
How to use the Fernflower decompiler on the command-line to decompile compiled Java classes.
by Jamie Tanna
.
#blogumentation
#java.
Validating a Spring (Boot) Response Matches JSON Schema with MockMVC (3 mins read).
How to perform JSON Schema validation for a Spring (Boot) service's response when testing using MockMVC.
by Jamie Tanna
.
#blogumentation
#spring
#spring-boot
#java
#json-schema.
Week Notes 21#50 (3 mins read).
What happened in the week of 2021-12-13?
by Jamie Tanna
.
#week-notes.
Retrieving All Dependencies Required by a JAR at Runtime (3 mins read).
How to handily retrieve the full runtime classpath required for a JAR file, using Gradle.
Use a (JSON) Schema for the Interface Portion of your RESTful API (3 mins read).
Why you should be using a well-defined (JSON) Schema for the data classes that your API consumers will need to utilise.
by Jamie Tanna
.
#api
#json-schema
#rest.
Getting the Date from a Week Number in Java (1 mins read).
How to get the date from a week number and year in Java.
by Jamie Tanna
.
#blogumentation
#java.
Debugging Chef Variables With Logs (3 mins read).
How you can use different means of logging to make operations with Chef cookbook a little easier.
by Jamie Tanna
.
#blogumentation
#chef.
Week Notes 21#49 (4 mins read).
What happened in the week of 2021-12-06?
by Jamie Tanna
.
#week-notes.
Getting the Battery Status of a Bluetooth Device on Linux (1 mins read).
How to use dbus-send to retrieve the percentage of battery left on a Bluetooth device on Linux.
by Jamie Tanna
.
#blogumentation
#command-line
#bluetooth
#linux.
Converting a Kitchen YAML to Chef Attributes (2 mins read).
How to convert attributes being set for your Chef Test Kitchen integration tests to an attributes.rb format.
Using systemd-tmpfiles to manage temporary files and directories (2 mins read).
How I'm using systemd-tmpfiles to manage a temporary working directory and automagically clean it out.
Should That (Secret) Thing Be In Your Querystring? (2 mins read).
Why you should be very cautious about putting potentially sensitive values into the querystring of web APIs.
by Jamie Tanna
.
#api
#security.
Owning my Hashtags (2 mins read).
Why I decided to treat hashtags in my (syndicated) content as tags on my site.
by Jamie Tanna
.
#indieweb.
Extracting the Default Private / Secret Keys from OpenAM/Forgerock AM (2 mins read).
How to retrieve the contents of the private or secret keys from an OpenAM/Forgerock AM installation.
Converting an Image to a Base64 data URL with Node.JS (1 mins read).
How to convert an image to a data URL using Node.JS on the command-line.
Week Notes 21#48 (4 mins read).
What happened in the week of 2021-11-29?
by Jamie Tanna
.
#week-notes.
Appending Values to a Querystring with Ruby (1 mins read).
How to append a query parameter to a URL's querystring in Ruby.
by Jamie Tanna
.
#blogumentation
#ruby.
Making Zoom Notifications/Windows Float on BSPWM (1 mins read).
How to get BSPWM to handle Zoom notification windows as floating windows, instead of tiles.
Automagically Assuming AWS Roles for EC2/ECS (1 mins read).
How to set up your AWS infrastructure to automagically assume IAM roles.
by Jamie Tanna
.
#blogumentation
#aws.
Reducing Risk of Supply Chain Attacks with Reproducible Builds in Gradle (1 mins read).
How to enable Gradle's reproducible builds functionality to allow others to verify your released libraries don't contain uncommitted, malicious code.
Packaging Wiremock Stubs into a Standalone JAR (2 mins read).
How to use Gradle to package a standalone JAR for Wiremock, including any stubs needed.
Testing Data Serialisation/Deserialization in Java (with Moshi) (3 mins read).
How to validate your JSON types correctly serialise/deserialise when using the Moshi library.
Generate Plain Old Java Objects (POJOs) from JSON Schema Definitions with Gradle (3 mins read).
How to generate POJOs really quickly and easily, with no manual work, using the Gradle jsonschema2pojo Plugin.
by Jamie Tanna
.
#blogumentation
#gradle
#java
#json-schema.
Week Notes 21#47 (7 mins read).
What happened in the week of 2021-11-22?
by Jamie Tanna
.
#week-notes.