Snippy Snappy 🐊 Snippets

Sometimes I write elegant code that I like to share. Just kidding, this is mostly the stuff I have to google all the time.

• Anchor If Tag Helper

  A simple ASP.NET Core tag helper that either renders as a link or as the given fallback tag.

• Validate HTML using Fluent Assertions

  ASP.NET HTML helpers often return dynamically built HTML that may or may not be valid.

• Shell in Docker container

  Open an interactive shell in a docker container, e.g. for debugging purposes.

• Git Aliases

  A collection of essential git aliases I use on a daily basis.

• Revert unpushed commit

  Reverts the most recent commit and adds the reverted changes to stage.

• left-pad string

  Break free from dependency hell with this one simple trick.

• useRouter­RouteIsActive()

  A really simple hook for Next.js to check if the given page path is currently active.

• Batch-remove file extension

  A simple PowerShell one-liner to batch-remove the extension of multiple files.

• useResettableState()

  A simple hook extending useState() with an option to reset to the evaluated initial value.

• useXmlHttpUpload()

  A hook to upload a file with progress tracking, request abortion etc.

• Asymmetrical Array Diff

  Easy method to get the asymmetrical difference (elements in the first array but no the second) of two arrays.

• Distinct Array Items

  An easy, elegant way to get distinct (unique) values of an array using Set (ES6 only).

• S3 presigned upload URL

  Simple method to generate a presigned upload URL for Amazon S3 or compatible storage services, allowing client-side uploads without the necessity of routing the file through an additional backend service.