✨ อัปเดตล่าสุด: tag/codesmell - สรุปดราม่าล่าสุด

Level UI • 22 hours • in Articles • 9 min read

An MCP server is not a new API. It is a thin layer over the one you already have

Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...

9 Reactions 7 Comments

Maxi Contieri • Oct 21 • in Articles • 21 min read

Code Smell 322 - Request Data in Long-Lived Variables (PHP Vulnerability)

Your request is gone. Your pointer is not. > TL;DR: Don't keep request-owned pointers in long-lived variables, or the next request reads freed memory. Problems 😔 Use after freehttps://en.wikipedia.org/wiki/Danglingpointer on stale request memory ...

3 Reactions 1 Comments

Maxi Contieri • Aug 21 • in Articles • 2 min read

Code Smell 321 - Getter Piggybacking

One broken window invites another > TL;DR: Don't reuse an existing getter to bolt on new business logic from outside the object. Problems 😔 Duplicated business ruleshttps://maximilianocontieri.com/code-smell-46-repeated-code Broken encapsulation ...

0 Reactions 0 Comments

Valentine Shimanovsky • Aug 11 • in Articles • 8 min read

Real-Life Refactoring Example: ~3x Less Code to Read

There is a popular idea that refactoring is making code shorter. It is not entirely wrong. Repetition, pointless conditional branches, and dead variables do make code longer for no reason. But the usual topmost problems are when the intentions of a c...

2 Reactions 1 Comments

Maxi Contieri • Aug 5 • in Articles • 7 min read

Code Smell 138 - Packages Dependency

There's an industry trend to avoid writing code as much as possible, because who has time to write eight lines when a stranger already published a package for it. Turns out that convenience isn't free > TL;DR: Write your code unless you need an exis...

0 Reactions 0 Comments

Maxi Contieri • Jul 31 • in Articles • 11 min read

Code Smell 208 - Null Island

You can avoid null if you try > TL;DR: Don't use null for real places Problems 😔 Tight Coupling Unexpected Results Solutions 😃 1. Model unknown locations polymorphically Context 💬 Null Islandhttps://en.wikipedia.org/wiki/NullIsland is a fict...

0 Reactions 0 Comments

Tom Smithverified • 18 hours • in Articles • 9 min read

Developer Weekly Briefing — October 30, 2026

Security dominated this week, but not in the usual way. Two active campaigns turned GitHub configuration files into attack surfaces. Researchers demonstrated that the built-in browsers inside AI coding tools can read your SSH keys. And at Oracle AI ...

6 Reactions 3 Comments

Maxi Contieri • Jun 23 • in Articles • 10 min read

Code Smell 320 - Vanity Coverage

Brushing Over Real Problems > TL;DR: You write tests that touch every line but verify nothing, creating false confidence in a broken system. Problems 😔 False confidence Hidden production defectshttps://coderlegion.com/6337/we-need-to-stop-the-bug...

0 Reactions 0 Comments

Maxi Contieri • Apr 9 • in Articles • 6 min read

Code Smell 319 - Hardcoded Stateless Properties

Don't turn collaborators into permanent roommates > TL;DR: You should avoid storing stateless utility classes as instance variables initialized with new. Problems Hardcoded dependencies Testing difficulties High couplinghttps://coderlegion.com...

1 Reactions 0 Comments

Maxi Contieri • Feb 28 • in Articles • 1 min read

Code Smell 17 - Global Functions

Discouraged by Object-Oriented Programming, Many mixed languages support it. And developers abuse them. > TL;DR: Global functions bring a lot of coupling. Don't use them. Problems Tight Coupling Poor Readability Maintainability Testability H...

6 Reactions 2 Comments

Maxi Contieri • Feb 19 • in Articles • 7 min read

Code Smell 16 - Ripple Effect

Small changes yield unexpected problems. > TL;DR: If small changes have big impact, you need to decouple your system. Problems High Couplinghttps://coderlegion.com/6634/coupling-the-one-and-only-software-design-problem Low maintainability Side...

6 Reactions 1 Comments

Maxi Contieri • Feb 2 • in Articles • 1 min read

How to Find the Stinky Parts of Your Code

The code smells badly. Let's see how to change the aromas. > TL;DR: A Compilation of bad smells in code. In this series, we will see several symptoms and situations that make us doubt the quality of our development. We will present possible solutio...

3 Reactions 1 Comments

Maxi Contieri • Jan 30 • in Articles • 7 min read

Code Smell 15 - Missed Preconditions

Assertions, Preconditions, Postconditions and invariants are our allies to avoid invalid objects. Avoiding them leads to hard-to-find errors. > TL;DR: If you turn off your assertions just in production your phone will ring at late hours. Problems ...

2 Reactions 1 Comments

Maxi Contieri • Jan 23 • in Articles • 6 min read

Code Smell 14 - God Objects

An object that knows too much or does too much. > TL;DR: Don't take too many responsibilities in a single class. Problems Low cohesion High couplinghttps://coderlegion.com/6634/coupling-the-one-and-only-software-design-problem Single Responsib...

6 Reactions 1 Comments

Maxi Contieri • Jan 10 • in Articles • 4 min read

Code Smell 13 - Empty Constructors

Non-Parameterized constructors are a code smell of an invalid object that will dangerously mutate. Incomplete objects cause lots of issues. > TL;DR: Pass the essence to all your objects so they will not need to mutate. Problems Mutability Incom...

3 Reactions 1 Comments

Maxi Contieri • Jan 4 • in Articles • 3 min read

Code Smell 12 - Null

Programmers use Null as different flags. It can hint at an absence, an undefined value, en error etc. Multiple semantics lead to coupling and defects. > TL;DR: Null is schizophrenic and does not exist in real-world. Its creator regretted and program...

3 Reactions 1 Comments

Maxi Contieri • Dec 30, 2025 • in Articles • 1 min read

Code Smell 07 - Boolean Variables

Using Boolean variables as flags introduces accidental implementation complexity and pollutes the code with Ifs. > TL;DR: Avoid Boolean variables, they lead to conditional logic and force you to write Ifs. Create polymorphic states instead. Problem...

5 Reactions 1 Comments

Maxi Contieri • Dec 28, 2025 • in Articles • 5 min read

Code Smell 318 - Refactoring Dirty Code

You polish code that nobody touches while the real hotspots burn > TL;DR: Don't waste time refactoring code that never changes; focus on frequently modified problem areas. Problems Wasted effort Wrong priorities Missed real issues Team product...

2 Reactions 1 Comments

Maxi Contieri • Dec 20, 2025 • in Articles • 5 min read

Code Smell 10 - Too Many Arguments

Objects or Functions need too many arguments to work. > TL;DR: Don't pass more than three arguments to your functions. Problems Low maintainability Low Reuse Coupling Solutions 1. Find cohesive relations among arguments 2. Create a "con...

2 Reactions 1 Comments

endrilickollari • Dec 19, 2025 • in Articles • 5 min read

Engineering DebtDrone: Building a High-Performance AST-Based Static Analyzer in Go

The Limitations of Lexical Analysis In the world of static analysis, there is a distinct hierarchy of capability. At the bottom, you have lexical analysis—tools that treat code as a stream of strings. These are your grep-based linters. They are incre...

6 Reactions 2 Comments

Maxi Contieri • Dec 15, 2025 • in Articles • 4 min read

Code Smell 09 - Dead Code

Code that is no longer used or needed. > TL;DR: Do not keep code "just in case I need it". Problems Maintainability Extra reading Broken intent Wasted effort Solutions 1. Remove the code 2. KISShttps://en.wikipedia.org/wiki/KISSprinciple 3...

9 Reactions 3 Comments

Maxi Contieri • Dec 13, 2025 • in Articles • 1 min read

Code Smell 316 - Nitpicking

When syntax noise hides real design problems > TL;DR: When you focus code reviews on syntax, you miss architecture, security, design and intent. Problems Syntax fixation Design blindness Missed risks Bad feedback Useless discussions Reviewer...

2 Reactions 1 Comments

Welcome to Coder Legion

Connect with 5,751 amazing developers

Don't have an account? Sign up

OR

Recent posts tagged codesmell