When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
For outputting a given String in HTML, you mostly want to replace line breaks with or tags.
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...
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due...
When you find yourself constantly ignoring a RubyMine warning, you can simple disable that warning and de-clutter your editor...
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...
The httpclient gem comes with a custom SSL cert store. While an customizable, application-level cert store is great when...
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...
Form fields can be rendered as noneditable by setting the disabled or the readonly attribute. Be aware of the differences...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
This should not be necessary in any case and is only for special cases, for e.g. if the assets...
Trying to open a vnc window with geordi geordi vnc ended up with this error: > VNC viewer could not be...
Here is how to use Chromedriver without libraries like selenium-webdriver. This can be useful for debugging. The following example...
If you want to make a screenshot of a website that works well in print or on a high-DPI...
When a Rails controller action should handle both HTML and JSON responses, do not use request.xhr? to decide that. Use...
Sometimes it's necessary for you to check which ports are in use on your local machine and which process...
Understanding your type of cronjob Some cronjobs must only run on a single server. E.g. when you run nightly batch...
When installing gems, a lot of time is spent building locally installed documentation that you probably never use.