SSH Notes
These are some notes and commands I frequently use for SSH. If you need to generate SSH keys use the following command and follow the prompts: ssh-keygen -t ed25519 -C…
Snippets is where I collect knowledge about science, web development, data and code.
This is more for me to be able to easily recall small bits of information I find on the internet, but you may find some of these useful.
Laravel – Livewire V3 Force Update of Input
Sometimes in Livewire v3, certain input fields (e.g. select) do not update when the model is changed. To resolve this you can add a wire:key to the input with specific…
Laravel – Run Test Multiple Times
Sometimes a test fails certain times but passes another. If you want to run a test multiple times you can use the following one line bash script: for i in…
Laravel – Output Blade Component as Text
Sometimes you want to use the HTML output from a blade component in a PHP class. You can do this using the view('component')->render() method. For example: Let's say we had…
Laravel – Execute Trait Code in Tinker
If you want to execute code from a trait when using php artisan tinker, you can do so in one of two methods. 1] Instantiate the class using the trait…
Laravel – Make Model with Batteries Included
In Laravel, you can create a model with all the "batteries included" using the command: php artisan make:model Author -cfmsr Where the following makes a Controller, Factory, Migration, Seeder, Resource…
PostgreSQL – Using Explain to Check Index
In PostgreSQL you can check if an index is being used for a query by using the EXPLAIN (ANALYZE , BUFFERS) before the query like: EXPLAIN (ANALYZE, BUFFERS) SELECT *…
Laravel – Log All SQL Queries
If you want to log all SQL queries to the laravel.log file use the following code in your AppServiceProvider.php - boot() method: class AppServiceProvider extends ServiceProvider { // ... public…
Laravel – Checking Eloquent Query Performance
Laravel offers several ways to check the performance of an eloquent query. 1] Using DB query log You can log the SQL queries and get the performance of individual queries…
Laravel – Forget cache on save
As highlighted by Povilas Korop (@PovilasKorop) on Twitter: in Laravel, you can call a static "saved" function on your model to forget the cached values with a specific key. Let's…