Also see the list of IRB commands. Switching the context Changes the "default receiver" of expressions. Can be used to...
While the main goal always is to prevent long-running queries in the first place, automatic timeouts can serve as...
What is makandra cards? We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany...
Postgres works differently See PostgreSQL: Difference between text and varchar columns for PostgreSQL-specific info MySQL has 4 different column...
A list of clever debugging tricks. TOC: Advanced Conditional Breakpoints monitor() class Calls Call and Debug a Function Pause Execution...
Context and further resources Even though you can get 90% of debugging done with up to 5 basic byebug commands...
In dieser Card machst du einige Übungsaufgaben um Linux Server mit Ansible zu verwalten. Da es vermutlich zu aufwendig ist...
This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...
To retrieve only unique combinations of the selected attributes: You can omit rows, where all selected columns are equal with...
Das Standardtool für Monitoring auf AWS ist Cloudwatch. Du hast dir in den AWS Kapiteln Cloudwatch sicherlich schon grundsätzlich angesehen...
We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
If you've stumbled over display: grid while reading the Flexbox material of the previous card - we've got you...
Hide/Show Drawer You can press Escape to show/hide the drawer. Fast Navigation with Command Menu Use Ctrl + Shift + p to...
tl;dr The Chrome DevTools are a neat collection of tools for the daily work as a web developer. If...
Der zuverlässige und perfomante Betrieb von relationalen Datenbanken kann sehr aufwendig und komplex sein. Dies gilt vor allem, wenn man...
This should be fixed in the latest LTS-branches of our mysql2 fork, 0.2.x-lts and 0.3.x-lts...
Schau dir den unter Inhalte verlinkten Udemy Kurs an. Die Zugangsdaten für Udemy bekommst Du von deinem Mentor. Überspring Inhalte...
Besides their default styling properties, HTML elements have a semantic meaning. For example, an h1 tag is usually styled with...
Bookmarks for directories will be most helpful if you are forced to work in deeply nested projects. Then it's...
We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
After switching a project from Sprockets to Webpack, I started observing a bug that was hard to debug: Our...
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing...
5.4.0 2021-02-01 Compatible changes Add geordi branch command that checks out a feature branch based on a story...