In medium-sized to large Rails applications, asset compilation can take several minutes. In order to speed up deployment, asset...
There is a kinda secret, yet well supported CSS feature called currentColor. It's like a special CSS variable that...
Using the JS fullscreen API is painful because all browers use different methods and events and you need to use...
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
When you have a large PG database, you may want to find out which tables are consuming the most disk...
Webpacker uses Babel and Webpack to transpile modern JavaScript down to EcmaScript 5. Depending on what browser a project needs...
If freshclam updates are failing even though the update servers are available and you find error messages like the following...
For applications coming with lots of stylesheets and scripts, asset compilation might take quite long. This can be annoying when...
The attached article explains options you have to store the order of items in a database table. The simplest solution...
Don't sum up columns with + in a sql-query if NULL-Values can be present. MySQL and PostgreSQL cannot...
When you find yourself constantly ignoring a RubyMine warning, you can simple disable that warning and de-clutter your editor...
If you have a single node elasticsearch instance and indices with replicas enabled your cluster state will be yellow. If...
geordi delete_dumps [directory] Recursively search for files ending in *.dump and offer to delete those. When no...
You might have some trouble running a Rails LTS 2 app with MySQL 5.7. If you don't want to...
MySQL and MariaDB have an SQL mode setting which changes how MySQL behaves. The SQL mode value is comprised of...
On your local system that only hosts non-critical development data and only you have access to, you can store...
You need to update a lof gems. Make sure you don't have any version constraints in your...
Running rails server will start a local server that you can access via http://localhost:3000. When you are working...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
mysql> SELECT @@global.version; +------------------+ | @@global.version | +------------------+ | 5.6.30 | +------------------+ 1 row in set (0,00 sec) MySQL 5.6 Reference Manual says "BLOB and TEXT...
When your Rails controller calls render, you can pass a :status option for the HTTP status code: render 'results', status...
When a Rails controller action should handle both HTML and JSON responses, do not use request.xhr? to decide that. Use...
I recently had fun with replacing a custom video plattform ("mycustomtv") in one of our applications. I learned a lot...
Understanding your type of cronjob Some cronjobs must only run on a single server. E.g. when you run nightly batch...