Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior.

learn more… | top users | synonyms

2
votes
2answers
379 views

Refactored to a fancy global variable?

I am currently refactoring an application that i built in JavaScript. The application uses a starting hour and a total working hour count in order to construct a timetable for daily, weekly and ...
3
votes
1answer
166 views

When to fracture a web application design into multiple products

Have you had this problem? You are building a complex web application for a target market, and after a while you reach a point in complexity where you can't decide if you are building more than one ...
9
votes
3answers
1k views

I have to compromise: DRY, or Command-Query-Separation?

I was recently refactoring a method that was both a command and a query method. After separating it into a one command method and one query method, I found that there are now multiple places in the ...
4
votes
2answers
204 views

How do you create documentation when there is none? [duplicate]

I have recently inherited a large, legacy system with a complex codebase that has a lack of documentation. I'm the sole internal developer embedded with the core users, taking some responsibility from ...
1
vote
1answer
442 views

Refactoring the shipping application code to use DDD factories

I was trying to find examples for using DDD factories and I came across the shipping application from Eric Evans' book. However when I checked the BookingService the code to create a Cargo had this ...
1
vote
5answers
521 views

Is it sometimes reasonable to cut corners and expect to re-write software in a couple of years? [duplicate]

I work for an organization with one developer (me) and one DBA. When I started, the previous developer had developed applications that had bad architectural practices and it was getting and more time ...
2
votes
0answers
113 views

How to restructure Python frameworks [duplicate]

I just joined a group of five developers (non-professionals) working on a medium sized Python framework (> 50 modules, > 10.000 lines of code). The project has no documentation whatsoever and there ...
0
votes
3answers
4k views

What is good practice when inheriting static classes isn't possible/allowed

I am developing a project in C# and due to a design decision it is not possible to have a static class inherit another static class. But I have, in my opinion, a case where this would make sense. I ...
2
votes
2answers
640 views

Should I split a Python class with many methods into multiple classes?

I have a class that will end up having more than ~30 methods. They all make sense to be part of the same class because they require access to the same data. However, does it make any sense to split ...
3
votes
3answers
262 views

Refactor working code for reuse or duplicate?

I have always avoided duplicating code regardless of the circumstance. For example, if I have a working piece of functionality that needs to be re-used by different entities, I always refactor to ...
1
vote
1answer
87 views

A better approach to refactor code when doing A/B Testing

I'm asked to refactor my component code to support A/B Testing. What is the better approach: 1) Pass a boolean value to the methods and check for that flag inside the method body? method(flag ...
3
votes
2answers
81 views

How to refactor to cleaner version of maintaing states of the widget

Backstory I inherited a bunch of code that I'd like to refactor. It is a UI application written in javascript. Current state: We have main application which consist of several UI components. And ...
0
votes
1answer
131 views

Refactoring classes with ref to themselves

How can I refactor this code? class Node { public Node Parent { get; set; } } class AVLNode { public AVLNode Parent { get; set; } } I tried to use inheritance, but then I have to use type ...
1
vote
1answer
182 views

Reducing repetitive DI code

I have a method which constructs dependencies using Unity. Currently, all of the calls do pretty much the same thing: Registers 2 repository object and 2 'App Part' objects. My issue is, there's a lot ...
0
votes
2answers
165 views

Similar references to themselves in two classes

How can I make 1 class (base, generic or something else) from these two classes? class A { A Link { get; set; } } class B { B Link { get; set; } } UPD: This is what I have now: class BSTree { ...
0
votes
2answers
513 views

How do I explain the value of refactoring to stakeholders? [duplicate]

How do I convince project managers, product owners, business analysts, clients and various other stakeholders that refactoring is a worthwhile and productive part of the development process? As ...
4
votes
3answers
2k views

Is it okay to call a model method in my view?

In the interest of keeping my Controller's skinny, I put a headline method in a Model. # My Model class Property def headline "#{name} | #{address}" end end (Then, Property Controller for ...
5
votes
2answers
3k views

Refactoring C++ [closed]

I know that there are some other questions about C++ refactoring, but none satisfies my needs. I have a background in Java and Python programming, but now I'm approaching C++. I've read (and ...
1
vote
4answers
202 views

How Much Of A (Broken) Legacy Framework To Keep [duplicate]

I've inherited a hosted system (system "A") which can be used to manage products, inventory, and orders, and can send those products to various third-parties. Quite simply, system "A" doesn't work. ...
57
votes
11answers
6k views

Is it a bad practice to modify code strictly for testing purposes

I have a debate with a programmer colleague about whether it is a good or bad practice to modify a working piece of code only to make it testable (via unit tests for example). My opinion is that it ...
0
votes
1answer
1k views

Introducing Fowler's Table Data Gateway to refactor poorly designed systems

I am developing an application, which currently has about 150,000 lines of code. The previous developer didn't really use any discipline when writing code. Application is in production but is ...
3
votes
2answers
893 views

Best practice refactor n-tier into vertical slices architecture

What work path do there exist to identify reasonable vertical slices of a classic n-tier platform code base and infrastructure (enterprise size)? Regardles of refactor or a new solution I think there ...
6
votes
1answer
482 views

Reasoning to wait until third time in the Rule of Three?

I just came across the article "Rule of Three" in wikipedia Rule of three is a code refactoring rule of thumb to decide when a replicated piece of code should be replaced by a new procedure. It ...
1
vote
2answers
159 views

How to handle product rebranding in code in a short time frame

We've all been there - a product feature is called "gold", and then a week before launch they decide it is to be called "platinum". Luckily, you had some nous about you so the UI code is easy to ...
12
votes
1answer
597 views

Are there any statistics on how often code is read?

I have often come across claims that source code is read much more than it is written and just wanted to do a little calculation like: If you write a line that takes me 5 minutes longer to read ...
12
votes
2answers
1k views

I should have used a factory method instead of a constructor. Can I change that and still be backwards-compatible?

The problem Let's say I have a class called DataSource which provides a ReadData method (and maybe others, but let's keep things simple) to read data from an .mdb file: var source = new ...
2
votes
2answers
166 views

Starting a recurring project from scratch [duplicate]

We have a project that keeps recurring. The client expects us to run a website twice a year and this is happened for the last year and a half. I took the last working copy and based our latest website ...
43
votes
12answers
3k views

Coding style (do more, then simplify) [duplicate]

I'm a CS student and I have been coding for a few months shy of a year now, and I seem to have developed what I think may be a "bad" habit and I'm wondering if anyone does the same (or whether it's a ...
2
votes
2answers
423 views

Prevent code from getting mess [duplicate]

I am a student and a freelance programmer. These days I am developing a software in VB6 which has recently crossed 100KB of source code. The main problem, I face is, many times I have to refactor my ...
9
votes
3answers
791 views

What would help when refactoring a large method to ensure that I don't break anything?

I'm currently refactoring a part of a large codebase with no unit tests whatsoever. I tried to refactor code the brute way, i.e. by trying to guess what the code is doing and what changes wouldn't ...
0
votes
1answer
114 views

How to 'convert' a Static Access style project to IoC/DI style?

Are there any best approaches for refactoring a programming project that has previously been written with the static reference anti-pattern (the majority of classes refer at some point to a static ...
3
votes
2answers
648 views

How many regression bugs from refactoring is too many.

Recent QA testing has found some regression bugs in our code. My team lead blames recent refactoring efforts for the regressions. My team lead's stance is "refactor, but don't break too many things", ...
3
votes
1answer
165 views

Agile: When to re-factor and when to extend while accruing technical debt? [duplicate]

Consider the following scenario. You currently have a feature set A you wish to extend to include feature set B. In the near feature there's a high possibility that you wish to extend this even ...
61
votes
7answers
5k views

How do I take responsibility for my code when colleague makes unnecessary improvements without notice?

One of my teammates is a jack of all trades in our IT shop and I respect his insight. However, sometimes he reviews my code (he's second in command to our team leader, so that's expected) without a ...
2
votes
3answers
154 views

Evaluating the complete revision of other's software

I'm having some difficulty to evaluate the revision of a software: the software was paid by customer years ago, never used, and now the customer have noticed that it doesn't work as expected. Now ...
7
votes
2answers
470 views

When is it inappropriate to make objects immutable?

I have a class which represents an entity object in our system (for sake of argument, a Customer object) public class Customer() { private int id; private String name; ... // 30+ fields ...
7
votes
4answers
688 views

Hating your own code - for good or bad, how do you deal with it? [closed]

Have you ever had this feeling that your code is bad, the whole project is a mess, and you just want to step off? On your daily job you can explain this feeling away with your coworkers, asshole boss, ...
1
vote
0answers
135 views

Refactoring expansive message architecture

I am currently working with a system that acts like a message bus. A message comes in to the service (WCF Windows Service hosted). The system then uses a service locator pattern to look up which ...
6
votes
3answers
198 views

Should a new class refactored out of an existing one have history pointing back to it's progenitor

If I split one class into two classes should both classes have history in source control tracing back to the original class that contained both; or should the new class be added as a new file without ...
41
votes
10answers
2k views

Is it a good idea to schedule regular time to clean up code? [closed]

I'm managing a small team of developers. Every so often we decide we're going to spend a day or two to clean up our code. Would it be a good idea to schedule regular time, say 1 week every 2 months, ...
4
votes
2answers
615 views

How do I handle having so many SQL queries?

I have an MVC3 project that uses SQL Server. I use data from the SQL database all the time and I often find that I'm reusing/duplicating some SQL queries. I thought I'd solve this problem by creating ...
4
votes
3answers
226 views

Using the mouse as a multi-tool creates heavy conditional logic for executing commands, how do I change this?

The feature is in many different types of editing programs where a mouse click may have completely different commands to execute (using the Command Pattern) Currently I have an overarching ...
4
votes
7answers
882 views

Naming guard clauses that throw exceptions

I have a function evaluate() that parses a String for some variables and replaces them with their corresponding value: public String evaluate() { String result = templateText; for ...
4
votes
2answers
2k views

Is it possible to avoid enormously big switch in that case? [duplicate]

I'm writing a simple chess-related code with intention to write it clearly (performance doesn't matter at all). And this method I have doesn't look clean to me at all: public static Piece ...
6
votes
2answers
286 views

How to do unit tests on a method that takes the elapsed time into account?

I'm currently in the middle of refactoring an important method in a legacy-system. There were almost zero test until I've started working on it, and I've added quite a lot to ensure the correct work ...
6
votes
3answers
376 views

How should I go about “overhauling” a large legacy application? [duplicate]

Possible Duplicate: I’ve inherited 200K lines of spaghetti code — what now? For my next project, I've been tasked with "overhauling" a large legacy web application with many parts. It is a ...
4
votes
3answers
431 views

Renaming long named method in C# [closed]

I'm working on a project where exist one method with title string ValidateNewPasswordExpireCurrentPasswordAndCreateNewPassword(...) I'm sure the method name must be changed. But can't found good ...
7
votes
3answers
628 views

Cleaning Up Generated Code: Refactor or Map?

Context: I recently had to deal with a class file generated by XSD.exe. It was 3500 lines long with ridiculously-verbose class / variable names (think ...
3
votes
2answers
1k views

How to remove duplicate exception block code

I have good number of Service and DAO classes which has the same set of 30 line exception code block which gets repeated and it shows up in Code Duplication report. The approach which i can think of ...
3
votes
2answers
318 views

Overcoming circular reference

I am working on an asp.net MVC web application which contains several projects. One is BusinessObjects, which contains business logic / processes. Another is EmailGeneration which is used to send ...