Latest posts

29/12/2025 - It find the most recent git commit that modified a file

02/12/2025 - Repair a NTFS partition

22/11/2025 - GIT: Show diff after an amend

21/11/2025 - GIT: Undo changes from a specific file

20/11/2025 - kubectl cp fails on large files

02/11/2025 - Podman error: potentially insufficient UIDs or GIDs available in user namespace

12/10/2025 - Activating fractional scaling on Gnome

13/08/2025 - Get all the relationships (associations) of a model in Rails

07/08/2025 - Nextcloud: File is locked error

10/07/2025 - Create a Ruby gem

08/07/2025 - Rails transactions: nested transactions and requires_new

07/07/2025 - vscode: Vertical rulers

26/06/2025 - Python: with and pass

01/05/2025 - Useful Rails console tricks

16/04/2025 - Ruby: underscore in numbers

15/04/2025 - Validate SSH passphrase

14/04/2025 - .bashrc vs .bash_profile

03/04/2025 - Parental control in Linux

23/02/2025 - Video: Stabilize and reduce size in Linux with command line

22/02/2025 - Installing Docker in Debian

20/02/2025 - Configure a static IP in Debian

14/02/2025 - Find where a binary command is stored

30/11/2024 - ClickHouse Fundamentals

14/11/2024 - Execute terminal commands in Ruby

09/11/2024 - Reduce image size on Linux

09/10/2024 - GIT: Show number of lines changed

28/09/2024 - Ruby On Rails VS Code setup

27/09/2024 - SSH key based authenticantion

24/09/2024 - Generate SSH keys

06/09/2024 - MySQL varchar max size

04/09/2024 - Change time-zone from the command line

16/08/2024 - MySQL Views

15/07/2024 - Rollback rails migrations

11/07/2024 - Undo the most recent local commit in Git

09/07/2024 - What second parameter of CSV.open() in Ruby means?

03/07/2024 - Run system commands from Ruby

02/07/2024 - Alternatives to console.log()

01/07/2024 - Git worktree: work with two or more branches at once

20/06/2024 - Create bash aliases

17/06/2024 - Why ['1', '5', '11'].map(parseInt) returns [1, NaN, 3] in Javascript

14/06/2024 - Rails: Rename a table and indexes

02/06/2024 - Convert ACSM file to EPUB on Linux and remove DRM

31/05/2024 - Solve error fetching gems from rubygems.org

31/05/2024 - Enabling SSH on Linux

28/05/2024 - React title component pitfall

22/05/2024 - Force move a git branch to a specific commit

11/04/2024 - My KeePassXC config

09/04/2024 - How to get a RSS feed for a YouTube channel

05/04/2024 - Show all foreign keys to a table or column

28/03/2024 - Increase swap file size

28/03/2024 - Limit app switcher to the current workspace

16/11/2022 - How to change Column size of varchar type in mySQL?

15/11/2022 - Import SQL file ussing the command line

14/11/2022 - How do you run a single test/spec file in RSpec?

13/11/2022 - Instaling Cinnamon with Gnome in Manjaro

12/11/2022 - Using a swap in Manjaro

24/09/2022 - Git Aliases

23/09/2022 - Clear npm and yarn cache

14/09/2022 - Symbols in package.json file

14/09/2022 - Yarn: Update packages from package.json to lastest version

09/09/2022 - Connet to local API from Android Emulator

08/09/2022 - Manjaro: /tmp is too small, cannot install new software

07/09/2022 - Disable Rails logging in console