Below is a strict, but still workable Content Security Policy for your Ruby on Rails project. Use this CSP if...
You might wonder which CSP directive applies when an allowed script makes a dynamic import: await import('other-script.js')
When working with file uploads, we sometimes need to process intrinsic properties like the page count or page dimensions of...
I recently encountered this error as I was trying to build assets: $ node esbuild.config.js .../node_modules/esbuild-plugin-browserslist/dist/resolveToEsbuildTarget.js:43 throw new Error('Could...
Postgres supports multiple built-in range datatypes: int4range int8range numrange tsrange (range with timestamp without timezone) tstzrange (range with timestamp...
You may remember to use the || operator with caution to set defaults. We'll see that && and other conditionals come...
In rare circumstances, you want to use a websites full domain (say https://mywebsite.com) while testing in dev mode. This...
TypeScript basically uses structural typing, which is conceptually quite similar to duck typing, but with static compile-time type checking...
Leaving old unused DB columns around after a migration is confusing for other developers. However, dropping columns too eagerly might...
I use the Gemini web chat interface quite extensively. One thing that is tedious is giving it all the context...
Event listeners are called in the order of their registration: button.addEventListener('click', () => console.log("I run first")) button.addEventListener('click', () => console.log("I...
I recently had to update a few selective npm libraries in a project that uses pnpm to apply a CVE...
Sometimes you have a maintenance script where you want to iterate over all ActiveRecord models. Rails provides this out of...
When creating a database table for a join model without further importance, you can use Rails' create_join_table:
When you query the browser for DOM elements, there are some footguns you should know about. Some lists are synchronized...
Finding changes When you're looking for a specific change in Git, there are multiple axes you can choose:
When you replace parts of the DOM with new HTML, using .innerHTML = newHtml is usually the simplest and fastest option...
Most of the time, it's a good default to add a unique index on the foreign key when using...
Full-text search can reach its limits in terms of flexibility and performance. In such cases, trigram indexes (pg_trgm...
Quick guide for frequently used compiler selector patterns of Unpoly. 1. BEM Component Pattern When: Reusable UI components with multiple...
The linked tool can be used to scan your CI/CD workflows for potential security issues and suboptimal defaults if they...
In Rails 8 the behavior of the rails db:migrate command has changed for fresh databases (see PR #52830).
I had to modify the time for an application that I launch through Docker. Here is an approach that worked...
prettier calls itself an opinionated code formatter. I recommend using it for your JavaScript and TypeScript code. prettier only concerns...