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

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What are the most common ways used to migrate a Delphi application incrementally to .NET?

If you have several million lines of Delphi code and want to incrementally migrate to .NET/C#, what strategy would you use?
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How do I break down and plan a personal programming project? [closed]

I've just started a programming job where I'm applying my 'How to code' knowledge to what I'm being taught of 'How to Program' (They are different!). As part of this, I've been taught how to capture ...
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2answers
306 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 ...
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1answer
378 views

General approach to re-factoring an large, very badly written legacy system [duplicate]

Possible Duplicate: Techniques to re-factor garbage and maintain sanity? What is a good way to refactor a large, terribly written code base by myself? Really open question here. I'm not ...
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3answers
390 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 ...
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3answers
288 views

How to explain design decisions when refactoring code

I am working on a colleague to refactor the following code, I am trying to turn this into a teaching experience as well. Original Code public class WidgetRepository { public Widget ...
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4answers
280 views

What are some common algorithm optimization opportunities - mathematical or otherwise

What are some common algorithmic optimization opportunities that everyone should be aware of? I have recently be revising/reviewing some code from an application, and noticed that it appeared to be ...
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3answers
175 views

What do I need to learn to decide on rename/recompile source package names because of company rebranding?

My company is currently at a rebranding process and the brand names have been used in the sources' package names but these names are only visible to developers who maintain this code so nobody from ...
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6answers
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Refactoring and Open / Closed principle

I have recently being reading a web site about clean code development (I do not put a link here because it is not in English). One of the principles advertised by this site is the Open Closed ...
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3answers
4k views

How can I practice design patterns and refactoring in a deliberate way? [closed]

I was reading the book Refactoring to patterns and was wondering how I can get chance to practice the skills, because without deliberate practice on new ways to refactor and use patterns, my skills ...
6
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1answer
510 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 ...
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3answers
199 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 ...
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3answers
658 views

Programming standards and principles to become better programmer [closed]

I am a c# developer. I have always been interested in increasing my skills and knowledge and trying to pickup new technology. However now I want to enhance my knowledge in Programming standards and ...
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2answers
456 views

Ruby Koans: depth and usefulness? [closed]

Several people have suggested Ruby Koans to me over just following a book, and this seems like a much better prospect. As there is no question regarding the entirety of Ruby Koans, what do SO users ...
6
votes
1answer
479 views

Refactoring an existing MVC codebase to remove business logic & data access from the Controllers

Product I've inherited has the following composition: MVC web site where the controllers make calls to Repositories to get, insert and update objects retrieved that are defined in the: Data ...
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3answers
2k views

Should I refactor a F class from code climate? [closed]

According to code climate (static quality analysis), a class is F, aka the worst mark you could be granted. I did submit a pull request to rearrange it here Which has been refused because the new ...
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votes
5answers
928 views

Martin Fowler's Refactoring book: switch statement is using other object's data, why is that bad ? A deeper explanation is sought for.

In the code sample below the Rental object is using Movie's fields to do a switch statement. Martin says : this is a bad idea but he does not give any deeper explanation as to why ? Of course, you ...
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2answers
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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 ...
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3answers
528 views

CTO has left — codebase is a huge kludge, any advice on how to manage/handle/damage control? [closed]

I began work at a company 2 months ago as a PHP developer. I stepped in to somewhat of a kludge, but I've yet to find a company that isn't... The development stable is currently two developers ...
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3answers
267 views

How to justify framework upgrades

I am looking at how to justify changes to those who control budgets. For example if we have Enterprise Library 4 on some systems and the latest version is 5, is it worth upgrading? How do you justify ...
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4answers
172 views

Dealing with bilingual(spoken language) code?

So I've got to work with this set of code here for a re-write, and it's written by people who speak both English and French. Here's a snapshot of what I'm talking about (only, about 4000 lines of ...
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1answer
173 views

How to design an algorithm-heavy and object-light application

Other than vertices, edges, faces and meshes, my geometry processing project/application has only about half a dozen other entities such as curves on surfaces. However the majority of my code is ...
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7answers
156 views

Can initial inefficient solutions INSPIRE better ones and thus lead to faster problem solving?

When faced with writing an algorithm to solve a small project/problem is it better to come up with pseudo code that isn't efficient/optimum but solves the problem and then try to use the inefficient ...
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7answers
929 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 ...
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1answer
976 views

How to unit test large legacy systems? [duplicate]

Possible Duplicate: Best practices for retrofitting legacy code with automated tests When working in large legacy systems (large systems with no unit testing ever) I often come across ...
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3answers
199 views

When is 'cloning', rather than reusing, a module acceptable design solution?

For this question, I'll give an example module to facilitate the discussion, Let's say the module is a calculation engine, It currently servers its purpose for its current audience. The requirement is ...
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2answers
518 views

Is it possible to refactor inheritance to composition when virtual methods are called inside the base class?

Let's say I have a class called Country and two subclasses called AI and Player. The Country class has a number of virtual methods to allow player-specific or AI-specific behavior. I want to make it ...
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2answers
473 views

When to fix something that is “wrong” but works fine

Short version: I wrote some code that is not done "the right way" because, when I wrote it, I didn't know how to do it. Now that I know how to do it "the right way", how do I decide how to fix it? ...
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2answers
132 views

How to keep track of links pointing to existing web applications in an Intranet?

At my new place of employment we have a Intranet solution containing multiple web applications hosted in IIS. Outside of the development department other departments either source or create other ...
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3answers
176 views

Engineering a better solution, coming from existing codebase [duplicate]

The Code I have high-business-value daily-used-by-customer software that is written in PHP and spans approximately 600K lines of code. Customer for a long time needs, wants, and demands new features ...
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3answers
721 views

Starting on a large project, should I split it into more concise parts?

Background: Currently an intern at a company and working on repurposing older programs (still in use, but for different departments) for use in testing new hardware. The new hardware is different in ...
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2answers
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Are there any good examples of open source C# projects with a large number of refactorings? [closed]

I'm doing research into software evolution and C#/.NET, specifically on identifying refactorings from changesets, so I'm looking for a suitable (XP-like) project that may serve as a test subject for ...
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1answer
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How do I structure a larger Flask application?

I have a relatively simple web application that is written in Python using the Flask microframework. I've really enjoyed Flask's ease of use, however, as the app has grown larger it has started to ...
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.Net Best Practices : Common Bugs Introduced By Refactoring, Carelessness, and Newbies

What are the common bugs introduced by refactoring, carelessness, and newbies? I would like to request the experienced programmers here to share their experience and list the bugs they used to ...
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2answers
334 views

How should I refactor switch statements like this (Switching on type) to be more OO?

I'm seeing some code like this in our code base, and want to refactor it: (Typescript psuedocode follows): class EntityManager{ private findEntityForServerObject(entityType:string, ...
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2answers
106 views

Simplified Interfaces or Object Abstraction

i've been facing a common situation at work that has happened quite often when handling objects. The situation goes like this: You have to realted classes A and B, class A has an instances of class ...
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1answer
434 views

Music Notation Editor - Refactoring view creation logic elsewhere

Let me preface by saying that knowing some elementary music theory and music notation may be helpful in grasping the problem at hand. I'm currently building a Music Notation and Tablature Editor (in ...
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1answer
139 views

How to use OO Design to Refactor a Library with Functions that are specific Product-aware

I have a class that acts as a library of functions for various products. To compute its data, the function currently needs to be aware of all product names. Depending on which product calls the ...
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5answers
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Example bad code project to motivate refactoring / good design [closed]

This is sort of the opposite of Is there an open-source project that can be an example of well-written code?. I am teaching software engineering to undergraduates and I would like a blob of object ...
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4answers
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Is it always a good idea to divide large classes into smaller ones? [duplicate]

I've heard time and time again that in object-oriented programming, you should try to split objects that 'do too much' into multiple classes, to avoid the "God Object" problem. This seems like fine ...
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3answers
624 views

How should I start refactoring my mostly-procedural C++ application?

We have a program written in C++ that is mostly procedural, but we do use some C++ containers from the standard library (vector, map, list, etc). We are constantly making changes to this code, so I ...
4
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7answers
434 views

Should all development, including refactoring work, be accompanied by a tracking issue?

The debate: Should all development, including refactoring work, be accompanied by a tracking issue? (in our case, Jira) The common ground: Our primary goal is quality. A working product, every ...
4
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3answers
786 views

Is it Typical for Large Software Companies to Not Document or Refactor Code? [closed]

I have begun working at a large software company and was assigned to a project that is over a million and a half lines of code. It's part of a program suite that is sold to clients (not an in-house ...
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7answers
280 views

Once and only once - with more lines of code

I have an ugly bit of code - essentially iteration over some data structures where the meat of the action was changing, but the iteration code stayed same. The iteration constituted the bulk of code, ...
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votes
4answers
647 views

Role of “Refactoring” in good programming pratices?

I have learned in Agile Development that: Refactoring is the process of clarifying and simplifying the design of existing code, without changing its behavior. I have heard about some GUI ...
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votes
3answers
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When to deprecate and when to delete in Java

As part of a refactoring effort or just ongoing development, a particular method or maybe an entire class may become obsolete in some sense. Java supports the @Deprecated annotation to indicate that ...
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3answers
525 views

Is there a term for reusing code by retyping it?

I built a prototype ("one to throw away") a while ago, and I'm rebuilding it now as an alpha. My goodness, it's been worth it. I reused some of the prototype code by copy-pasting then modifying it, ...
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4answers
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Refactoring: When to add a new class in the project?

When do you feel that you need a new class (maybe when you are developing or after development for refactoring purpose)? Maybe I can start from my existing variables and think how I can reorganize ...
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votes
3answers
444 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 ...
4
votes
2answers
641 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 ...