An anti-pattern is a behavior or practice that is common despite being ineffective or counterproductive.

learn more… | top users | synonyms

-1
votes
1answer
57 views

Experimentally determined timing of function/method calls vs locks, signals. Anti-pattern name?

Here is some pseudocode and paraphrased comments: // Allow time for screen to start before content reset. // Delay time determined by testing with platform version 5. delayCall(0.01, contentReset()) ...
29
votes
12answers
15k views

Is using nested try-catch blocks an anti-pattern?

Is this an antipattern? It is an acceptable practice? try { //do something } catch (Exception e) { try { //do something in the same line, but being less ambitious ...
2
votes
1answer
113 views

Should I represent physical accessories of a system as classes in software?

I am redesigning a system comprised of a data-acquisition unit and a lot of different sensors (voltage sensor, angle sensor, pressure sensor, etc.). In the software domain model, there is a base ...
1
vote
1answer
212 views

How to avoid big class complexity while keeping encapsulation?

I'm developing a PHP library to work with big numbers (at this moment only with a "Decimal" class, but I want to add new classes, to handle Integers, Rationals, and Complex numbers). In any case, the ...
24
votes
2answers
2k views

Is there an anti pattern for historically grown software? [closed]

Is there an anti pattern that describes a historically grown software system where multiple developers just added new features to the system but no one really kept an eye on the overall architecture ...
0
votes
0answers
95 views

To KISS or not when coding? [duplicate]

I don't consider myself "ninja" but I don't think I'm bad dev either. Anyway, after many years of development I tend to keep it simple more ofthen than before. For small projects there is no need to ...
4
votes
2answers
237 views

What principle is violated by having a button do two radically different things or screens act radically different depending on the situation

I've come upon a situation several times in my career when previous developers have done something funny. They will make a control (button) function radically different depending on how the screen ...
3
votes
1answer
255 views

OOP - How to refactor a “pyramid architecture”

Unbeknownst to me while I was building it, I built a "pyramid" architecture. I did not realize this until I laid it out in my new Visual Studio 2013 Layer Diagrammer. Each layer depends on the layer ...
8
votes
2answers
984 views

Is using interfaces for datatypes an anti-pattern?

Suppose I have a various entities in my model (using EF), say User, Product, Invoice and Order. I am writing a user control that can can print the summaries of entity objects in my application where ...
36
votes
11answers
4k views

Constructor-only subclasses: Is this an anti-pattern?

I was having a discussion with a co-worker, and we ended up having conflicting intuitions about the purpose of subclassing. My intuition is that if a primary function of a subclass is to express a ...
20
votes
12answers
4k views

What design patterns are the worst or most narrowly defined? [closed]

For every programming project, managers with past programming experience try to shine when they recommend some design patterns for your project. I like design patterns when they make sense or if you ...
0
votes
1answer
87 views

Is this a good service locator, and is this service locator pattern(?) OK?

I'm working in Zend framework 1 and was using Zend_Registry to store objects so that I could replace them in my controllers while unit testing: $auth = Zend_Registry::get('Auth'); // set in ...
53
votes
4answers
3k views

Is jQuery an example of “god object” antipattern?

I want to ask – I am slowly learning jQuery. What I see is an exact example of a God Object anti-pattern. Basically, everything goes to the $ function, whatever it is. Am I right and is jQuery ...
28
votes
8answers
4k views

Is throwing an exception an anti-pattern here?

I just had a discussion over a design choice after a code review. I wonder what your opinions are. There's this Preferences class, which is a bucket for key-value pairs. Null values are legal ...
27
votes
8answers
6k views

Are utility classes with nothing but static members an anti-pattern in C++?

The question Where should I put functions that are not related to a class has sparked some debate over whether it makes sense in C++ to combine utility functions in a class or just have them exist as ...
2
votes
2answers
210 views

Is there a name for the problem of representing state twice and then getting out of sync? [closed]

I have a system that has configurable state values, like BoxCount, "Number of Visible Boxes on the screen". If I am using some heavyweight set of patterns (like MVC) that enforce the creation of ...
4
votes
2answers
98 views

Is it a good idea to have a database row that represents an unknown value within a system [closed]

We have two systems, System A imports a list of sports events from system B, it only wants to import the events we will be providing live data for, the filter used to hide events that we are not ...
1
vote
1answer
86 views

Lookup pattern as a way of passing global references

I am looking at some legacy code in java that uses the Service Locator pattern as a way of passing global references as opposed to passing them over and over again through method arguments and I am ...
24
votes
8answers
8k views

Are exceptions as control flow considered a serious antipattern? If so, Why?

Back in the late 90's I worked quite a bit with a code base that used exceptions as flow control. It implemented a finite state machine to drive telephony applications. Lately I am reminded of those ...
12
votes
2answers
569 views

Taming the 'utility functions' classes

In our Java codebase I keep seeing the following pattern: /** This is a stateless utility class that groups useful foo-related operations, often with side effects. */ public class FooUtil { ...
1
vote
1answer
49 views

Is having a parent controller to manage a set of tabbed sections an anti-pattern for an angular application?

A lot of times, I have long forms that I divide into multiple tabbed sections. Each section is managed by it's own controller and there is a parent controller that manages the whole view. I use ...
10
votes
3answers
583 views

Is there a formal anti-pattern to describe the scenario?

Some code is written to generate Excel Spreadsheets (Office Interop). The code performs very poorly. A subsystem is designed to generate the files at night. Performance isn't a concern at night. ...
0
votes
1answer
245 views

How could I avoid singletons in this case? [duplicate]

Using Dart in the client part of a web app where I have an application manager that contains a List of application instances and references to services that are used by each application as in the ...
11
votes
7answers
2k views

Name/Fix for Production Code Whose Sole Purpose is to Facilitate Testing? [duplicate]

The linked "duplicate" question is an iffy match at best, because it's asking is pattern X OK (YES/NO) and I'm clearly already in the NO camp, and subsequently asking what is pattern X called ...
1
vote
0answers
21 views

Where to override the design of jQuery UI elements?

We are using a few jQuery UI elements in our web application, and I need to change their design. For example, the ui-progressbar is way too high and its rounded corners don't fit well with our design. ...
0
votes
1answer
160 views

How can I avoid the “global $dbh” anti-pattern?

This is what most of my database-related library code looks like: lib.php <?php $dbh = new PDO(...); function doSomeDatabaseThing() { global $dbh; return $dbh->doStuff(); } function ...
7
votes
1answer
144 views

I'm being warned that the Monoid I'm creating is an Orphan Instance. Is there a better way to write this functionality in?

type PromptSegment = IO (Maybe String) instance Monoid a => Monoid (IO a) where mempty = return mempty mappend = liftA2 (<>) This behaves exactly how I want for my purposes. For ...
32
votes
6answers
6k views

Code that converts a value into a different representation, then converts it back to where it started is bad, but how? [closed]

I was reading an article about bad programming practices. It mentioned - "Yo-Yo code" that converts a value into a different representation, then converts it back to where it started (eg: ...
36
votes
9answers
5k views

Is creating subclasses for specific instances a bad practice?

Consider the following design public class Person { public virtual string Name { get; } public Person (string name) { this.Name = name; } } public class Karl : Person { ...
8
votes
3answers
484 views

Is there a name for the not given/null/empty-problem? [closed]

I work with code, where data is stored/exchanged in Hashtable/Dictionary/Associative-Array-like structures, like this { 'alpha': None, 'bravo': '', # 'charlie' is not given } there is not ...
1
vote
2answers
186 views

Why do IoC containers provide public Resolve method(s)?

In my opinion it just inverses the inversion and could make new users (including myself) make incorrect assumptions about using IoC containers. It can be used for the Service Locator (anti-)pattern ...
6
votes
2answers
597 views

Which is a better pattern (coding style) for validating arguments - hurdle (barrier) or fence? [duplicate]

I don't know if there are any accepted names for these patterns (or anti-patterns), but I like to call them what I call them here. Actually, that would be Question 1: What are accepted names for these ...
1
vote
2answers
196 views

Is it an anti-pattern to use void* and enums to enable type-checking?

Say in a game engine, you have Objects that composited of different components. One of these is a RenderComponent which can be either a Mesh, a Sprite or a Light. Now, all these are vastly different ...
-4
votes
2answers
213 views

Is this a poltergeist or is it justified? [closed]

I've come to a point in re-design of my code where I face an imminent Poltergeist Anti-Pattern threat. A master application object has two "eye" objects. Eye objects have a "RenderHUD" function, which ...
2
votes
0answers
237 views

Is there a name for this anti-pattern? (Variable has context-dependent meaning) [closed]

I'm working on a legacy system with troubling behavior - it uses the same identifiers to signify different things in different places. The system in question is a CRM system. It uses special codes ...
1
vote
1answer
68 views

How do you wrestle the DRY principle with configs?

For instance, lets say we have an nginx config pointing at foo1, foo2, and foo3, as well as a haproxy config pointing at foo1, foo2, and foo3, and finally, a deployment tool pointing at the same ...
37
votes
11answers
5k views

Are error variables an anti-pattern or good design?

In order to handle several possible errors that shouldn't halt execution, I have an error variable that clients can check and use to throw exceptions. Is this an Anti-Pattern? Is there a better way to ...
34
votes
6answers
3k views

Good or bad practice to mask Java collections with meaningful class names?

Lately I've been in the habit of "masking" Java collections with human-friendly class names. Some simple examples: // Facade class that makes code more readable and understandable. public class ...
23
votes
8answers
4k views

Is it an antipattern, modifying an incoming parameter? [closed]

I am programming in Java, and I always make converters sort of like this: public OtherObject MyObject2OtherObject(MyObject mo){ ... Do the conversion return otherObject; } At the new ...
12
votes
4answers
6k views

EAV - is it really bad in all scenarios?

I'm thinking to use EAV for some of the stuff in one of the projects, but all questions about it in stackoverflow end up to answers calling EAV an anti pattern. But I'm wondering, if is it that wrong ...
4
votes
3answers
2k views

Constant Interface antipattern - PHP

I came across this Wikiepedia article which says that using interfaces for defining constants is not a good thing. Solution suggested there is to define constants in a final class and use static ...
6
votes
4answers
361 views

Direct database manipulation an anti-pattern?

Recently I learned that some teams have moved all their database manipulation to the actual database through the use of stored procedures. I thought that was pretty clever, since the database becomes ...
0
votes
0answers
761 views

Spring bean injection into a hibernate validator constraint

I have a controller method like listed below whose argument is annotated with @Valid to validate PasswordChange object using a Hibernate validator @Constraint. Both PasswordChange and a sample ...
-2
votes
1answer
115 views

Is there a named antipattern for unclear API not exposing the requirements? [closed]

In the source code I'm evaluating (jarjar), there exists java code that can be used like this: JarJarTask fixture = new JarJarTask(); fixture.addConfiguredRule(new Rule()); fixture.execute(); Which ...
0
votes
3answers
982 views

How can I explain this is an anti-pattern? [closed]

I recently started at a new job. The existing system works OK but is poorly designed and hard to maintain, and they are planning to rebuild it in MVC and I fear it will be much worse. (Not because ...
0
votes
1answer
72 views

Inverse of Extract Interface refactoring

I'm working with a Java project that has several interfaces, many of which have only one implementation. (See related question) For a given revision of the software, one could think this acceptable ...
2
votes
3answers
705 views

Global request context - anti-pattern?

I was talking today to a colleague of mine about Python web frameworks and our impressions about them. I told him I think Flask having a global request smells badly and is an anti-pattern. The docs ...
15
votes
7answers
1k views

Should I refactor large functions that mostly consist of one regex? [closed]

I just wrote a function that spans approximately 100 lines. Hearing that, you are probably tempted to tell me about single responsibilities and urge me to refactor. This is my gut instinct as well, ...
45
votes
19answers
3k views

Forcing people to read and understand code instead of using comments, function summaries and debuggers? [duplicate]

I am a young programmer (finished computer science university but still under a year of working in the industry) and I recently got a job working on some C code for a decent size web service. Looking ...
276
votes
13answers
80k views

So Singletons are bad, then what?

There has been a lot of discussion lately about the problems with using (and overusing) Singletons. I've been one of those people earlier in my career too. I can see what the problem is now, and yet, ...