Application design covers the entire pre-implementation phase of a project and consists in conceptualizing the architecture, its components, the interactions between each component, the data flows, and the processes to implement.

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39
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5answers
36k views

Advantages and disadvantages of building a single page web application [closed]

I'm nearing the end of a prototyping/proof of concept phase for a side project I'm working on, and trying to decide on some larger scale application design decisions. The app is a project management ...
29
votes
6answers
9k views

How much business logic should the database implement?

I've worked in some projects where most of the business logic was implemented on the database (mostly through stored procedures). On the other side, I've heard from some fellow programmers that this ...
23
votes
9answers
2k views

How should I go about learning a very large and complex application? [duplicate]

Being a young and fairly inexperienced developer recently employed by a "real" software company I'd like some opinions and pointers on how to do the following: Approaches on how to get familiar with ...
15
votes
7answers
870 views

Can it be useful to build an application starting with the GUI?

The trend in application design and development seems to be starting with the "guts": the domain, then data access, then infrastructure, etc. The GUI seems to usually come later in the process. I ...
15
votes
5answers
939 views

Is having functionality in DB a road block to scalability?

I may not be able to give the right title to the question. But here it is, We are developing financial portal for wealth management. We are expecting over 10000 clients to use the application. The ...
12
votes
2answers
587 views

Are there any specific workflows or design patterns that are commonly used to create large functional programming applications?

I have been exploring Clojure for a while now, although I haven't used it on any nontrivial projects. Basically, I have just been getting comfortable with the syntax and some of the idioms. Coming ...
10
votes
5answers
422 views

How to approach the ol' “this will just be a small application”? Yeah right?

Ok I have run into this many times, but here is the worse case scenario slightly exaggerated. A client says "hey can you make us this small module to do this small task"? Me: "Sure no problem". So ...
10
votes
2answers
205 views

Should there be a “data hygiene” index for software - to indicate how clean the program is? not leaving temp files, etc

Should there be a "data hygiene" index for software - to indicate how clean the program is? not creating unused temp files, registry entries, environment variables, etc. For example, look in your ...
10
votes
2answers
3k views

Django application strategy

I have been working a while on a Django project which has been growing a bit lately. I have been think a bit about what strategy to use to make it easier to handle. One thing I would like to get some ...
6
votes
3answers
3k views

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 ...
6
votes
3answers
411 views

choosing a functional language platform for a new project [closed]

I have been writing code for a few years now and I don't believe I can claim to have a complete knowledge in this job yet. My experience primarily rolls around C# related areas with a decent ...
5
votes
5answers
321 views

Have you worked with a well designed application? [closed]

Inspired by this question, I started wondering - is there or has there ever been such a thing as a "well designed application"? One where the architecture would be perfect and no refactoring would ...
5
votes
4answers
733 views

Architecture suggestions on a multi-project multi-database 'intranet'

Here is the situation I have inherited: We have approximately 10 websites (Asp.net web forms) that each have their own database. Each of these databases houses some site specific data, and each has ...
5
votes
4answers
985 views

How to add image support to client-server database application?

I have an architectural question about a project that I am working on. Currently it is a simple .NET C# application that runs on several client machines, and communicates with a central MySQL server ...
5
votes
1answer
449 views

Code smells in Android?

This question arises from seeing code where I feel like something is wrong but I can't put my finger on it while developing Android. What are some red flags in Android development that says your ...
4
votes
3answers
766 views

How to securely implement Roles in a Windows Form application?

As an ISV, what is considered best practice for implementing Application Role based security? In other words, only allow users to access certain features in the application based on what Roles they ...
4
votes
2answers
298 views

What is the preferred way of communicating between applications on the same system?

I'm designing a system that is built on several small applications written in python, some of these will be services and others will be programs that only run during special situations. What I need to ...
4
votes
1answer
1k views

Designing a Content-Based ETL Process with .NET and SFDC

As my firm makes the transition to using SFDC as our main operational system, we've spun together a couple of SFDC portals where we can post customer-specific documents to be viewed at will. As such, ...
4
votes
0answers
145 views

How to design a time tracking or activity monitoring application?

I am trying to build something like Manic Time - which is an application that tracks what the user is currently working on. It worked flawlessly on Windows, but doesn't support Linux. It has mad ...
3
votes
2answers
14k views

Recommended reading for (Object Oriented) application design architecture? [duplicate]

Possible Duplicate: Best books on the theory and practice of software architecture? In life it doesnt matter if you do one thing for 15 years. You will end up waking one day and asking ...
3
votes
3answers
683 views

A software design pattern to model runtime-dependent behavior

In a interview I was asked, Suppose we are going to create a software that runs on both desktop machines and smartphones. Name a software design pattern that could be used to enable the ...
3
votes
4answers
246 views

How can I design an application so that it works well with a database selected by the customer?

I want to write an ASP.NET 4.0 application with IBM DB2 Express-C as its back-end. One thing that worries me, is hosting this application on a remote server. I don't know any hosting provider who ...
3
votes
1answer
110 views

What is the benefit of offloading email to a transactional mail service?

Why do so many people recommend offloading email to a transactional service such as Mandrill, Postmark or Sendgrid? Is sending email via smtp really that much slower than sending a request out to ...
3
votes
6answers
130 views

What are some of the required tools to gauge how large and complex a product is going to be?

Let's say I want to start developing a project (for the sake of example, let's use facebook, ultimate-guitar, and all recipes or AutoCAD, outlook, angry birds). All of these apps are successful and ...
3
votes
2answers
535 views

How should I structure a C# application that reads & writes binary data?

I have to read and write binary "chunks" of approximately 1Mb each. The data can come in the form of a stream or a in-memory byte[]. Normally I would use a Struct with a fixed layout, but there are ...
3
votes
1answer
4k views

Application Logic – which of the two definitions is correct?

This is my understanding of the Application Layer: • It implements Application logic • this layer contains Application Services, which are used by external consumers to talk to your application ...
2
votes
2answers
173 views

Should database-models (conceptual or physical) be reviewed by DBAs?

Where I work, new applications that are being developed that will use their own relational database, must have their database-models (conceptual, then physical ) reviewed and aproved by DBAs. Things ...
2
votes
3answers
564 views

High-Level Application Architecture Question

So I'm really wanting to improve how I architect the software I code. I want to focus on maintainability and clean code. As you might guess, I've been reading a lot of resources on this topic and all ...
2
votes
3answers
511 views

Application Logic Vs DB Triggers for database cleaning

When cleaning out old data from a set of database tables, is it safer to have the logic in the application or in a database trigger? I am upgrading an application that I wrote a while back (and in a ...
2
votes
1answer
98 views

How do I handle online payment for items with single quantity? [duplicate]

I would like to implement a robust way to handle ecommerce payment for items with limited quantity, like for example exclusive paintings. Payment would ideally be accepted via PayPal and credit ...
2
votes
2answers
115 views

Creating experimental database

This question is about databases but I prefer to post it here and not in dba.stackexchange. The reason is that I have concerns with the application as well as database design. Programmers can better ...
2
votes
1answer
308 views

What to choose API based server or Socket based server for data driven application

I am working on a project which has a Desktop Application for MAC/COCOA, a native application for iPhone another native application in iPad. All the application do almost same thing. The applications ...
2
votes
1answer
317 views

The usual metadata objects or: How to move a typical ExtJS App to jQuery, and: What's missing in the middle?

I have entered into an existing project that is all about maintaining nested data structures. You have companies which are assigend to accounts, and contacts and notes and... basically the usual bunch ...
2
votes
3answers
1k views

Is there a canonical book on functional design specifications? [closed]

I have seen and read quite a few books about software design (using UML, etc.), and others about user experience, GUIs, etc. but I'm looking for books that describe the process that happens before all ...
2
votes
1answer
311 views

Customizing configuration with Dependency Injection

I'm designing a small application infrastructure library, aiming to simplify development of ASP.NET MVC based applications. Main goal is to enforce convention over configuration. Hovewer, I still ...
2
votes
0answers
25 views

Update of user interface cycle

I am developing an App for iOS. In an attempt to avoid the pure MVC where everything is packed in the "Controller", I have added a Presenter layer and an Application Layer. In doing so I have come up ...
2
votes
4answers
524 views

Project problems from a Java beginner

A week ago I asked the question; First big project, how to get started. Make menus, save to harddrive etc. I tried to do everything without doing a GUI with Swing but I realized that for every view I ...
1
vote
3answers
285 views

Are there cases where it is a good idea to disallow remote access to a database?

My coworker is working on a project and decided to have the database subside entirely on the glassfish server with glassfish being the only thing that can directly access the database. He will then ...
1
vote
2answers
704 views

How to stop a .NET application from being duplicated?

I have created a .net windows form application that I want to restrict from being duplicated. I want this application to be portable, so I would like to allow it to be moved. How would I be able to do ...
1
vote
7answers
380 views

Is it easier to define and recognize poor application design than good application design? [closed]

A couple recent questions focused on "well designed applications" and "poorly designed applications". Looking at the responses it appears to me that it might be easier to recognize and define poor ...
1
vote
2answers
2k views

Do modular PHP frameworks really improve applications?

One of the goals of modular frameworks like Kohana or Alloy is to make it easy to add and remove components (i.e. "plugins" or "modules"). However, in all the larger projects I have ever worked - the ...
1
vote
1answer
300 views

Keeping database connection [duplicate]

Say you are developing a desktop application that extensively uses a database, should you have one handle for the database that the entire app references? Or should you open a connection when you need ...
1
vote
3answers
1k views

Creating a line of business application with Visual Studio Isolated Shell

I ask this to the pros out there - Is it feasible to build a new LOB(Line Of Business) application with VS Shell as an stand alone application. There are some points that I thought needs to changed, ...
1
vote
2answers
48 views

Using many Resource URI to create a Record and handling failure

Hi Guys, I have a decision to make to solve a problem, I’m describing the problem below. Application Overview I have an ASP.NET MVC 4 webApp which uses Rest Api for almost all the tasks, from Login ...
1
vote
2answers
724 views

How should I handle multi-tasking in a WPF application?

In most of the multi-tasking CRM applications I've seen, MdiWindow is used to allow users to open multiple windows at the same time. But MdiWindow doesn't seem to be commonly used in WPF. Looking ...
1
vote
2answers
136 views

Application workflow

I am in the planning process for a new application, the application will be written in PHP (using the Symfony 2 framework) but I'm not sure how relevant that is. The application will be browser ...
1
vote
0answers
12 views

Azure Webjob Creation and workflow management

I am attempting to create a long running job to be used in Azure. I would like to be able to run multiple instances of this job if I needed it. I was thinking of seperating the primary functionality ...
1
vote
0answers
55 views

How to help keep track of identifiers used both in the application and in the database?

For example: I have an ACL (access control list) with keys in the database like create_user and allow_booking_for_past_dates. Each ACL entry has a corresponding method or function name in the ...
1
vote
0answers
134 views

Design Structure/Data Structure thoughts needed

I am reading a Binary file, it has several blocks, each block has different names/data. Some of this data is string value, date, datetime, time but most of them are integer value. Previously I code a ...
0
votes
3answers
729 views

How to document program flow so the outcome looks professional? [closed]

I have designed a simple website on paper. Now I want to produce a professional-looking document for my customer to approve. How can I do this? I've tried Visio, but it seems horribly ...