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Marcelo Fernandes

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Articole: 17

  1. Build It From Source

    (Marcelo Fernandes)

    Build It From Source Created at: 2026-09-03 I am slowly migrating away from having software that is packaged by a third party onto building it from source myself.

  2. Profiling a Django Migration in Postgres

    (Marcelo Fernandes)

    Profiling a Django Migration in Postgres Created at: 2025-02-17 In this post I want to start from the end.

  3. Should you not use Postgres varchar(n) by default?

    (Marcelo Fernandes)

    Should you not use Postgres varchar(n) by default?

  4. Code Reviews In Vim

    (Marcelo Fernandes)

    Code Reviews In Vim Created at: 2024-11-21 A common way of reviewing code today is by performing the review using the repository host UI (GitHub, GitLab, etc.).

  5. About That Postgres Json Field

    (Marcelo Fernandes)

    About That Postgres Json Field Created at: 2024-10-10 The json type was introduced in Postgres 9.2.

  6. Thoughts on 3 years of management

    (Marcelo Fernandes)

    Thoughts on 3 years of management Created at: 2024-10-08 I've been managing for the past 3 years at my current job.

  7. On Git Commit Messages

    (Marcelo Fernandes)

    On Git Commit Messages Created at: 2024-10-05 There are two web pages that provide a great summary on Git Commits best practice.

  8. Postgres Unique Constraints Without Downtime

    (Marcelo Fernandes)

    Postgres Unique Constraints Without Downtime Created at: 2024-10-01 Updated at: 2024-10-08 The syntax for adding a unique constraint in Postgres is as follow: ALTER TABLE "table_name" ADD CONSTRAINT "unique_constraint_on_foo" UNIQUE ("foo"); This constr…

  9. Why Is This Site Built With C

    (Marcelo Fernandes)

    Why Is This Site Built With C Created at: 2024-08-26 I've been writing about things on a personal website since 2017.

  10. The Dumbest Compiler Imaginable

    (Marcelo Fernandes)

    The Dumbest Compiler Imaginable Created at: 2024-08-20 Python is about having the simplest, dumbest compiler imaginable, and the official runtime semantics actively discourage cleverness in the compiler like parallelizing loops or turning recursions into…

  11. Managing Python Environments

    (Marcelo Fernandes)

    Managing Python Environments Created at: 2024-08-06 The ecosystem for managing Python environments is huge, and so is the number of tools that are used to manage these environments.

  12. Which Assembly Syntax to Choose?

    (Marcelo Fernandes)

    Which Assembly Syntax to Choose?

  13. mov edi, edi

    (Marcelo Fernandes)

    mov edi, edi Created at: 2024-06-08 Updated at: 2024-07-27 I had a surprise today when I saw the instruction mov edi, edi as the first instruction of a function call.

  14. Goodbye ZSH

    (Marcelo Fernandes)

    Goodbye ZSH Created: 2024-05-08 Updated: 2024-07-06 After 7 years using zsh and oh-my-zsh, I've completely ditched both of them today.

  15. Branchless Programming Experiments in C++ and Python

    (Marcelo Fernandes)

    Branchless Programming Experiments in C++ and Python Created: 2023-08-22 Updated: 2024-07-28 This article talks about high-level theoretical concepts of branchless programming, along with examples of branchless programming in C++ and Python.

  16. A Critique of SOLID

    (Marcelo Fernandes)

    A Critique of SOLID Created: 2023-04-15 Updated: 2024-07-06 Introduction SOLID is an acronym coined by Robert C.

  17. Linux Rice

    (Marcelo Fernandes)

    Linux Rice Created: 2020-08-30 Updated: 2024-07-06 Introduction When someone is "ricing" their unix system, they are making functional and visual customisations to their desktop.