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  • How do you coordinate with interaction designers during implementation?

    - by Alex Feinman
    Programmers are largely responsible for helping move a product from design to implementation. This process is always full of snags: implementation details rear their ugly head and make parts of the design infeasible user feedback on early prototypes leads to changes in the design new technologies alter the field of what is possible, bringing back designs previously thought impossible priorities shift, schedules change, and requirements wander How do you keep design and implementation in contact during the implementation? What processes do you use? Tools? Artifacts? Guidelines? Communication strategies?

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  • Tips about how to spread Object Oriented practices

    - by Augusto
    I work for a medium company that has around 250 developers. Unfortunately, lots of them are stuck in a procedural way of thinking and some teams constantly deliver big Transactional Script applications, when in fact the application contains rich logic. They also fail to manage the design dependencies, and end up with services which depend on another large number of services (a clean example of Big Ball of Mud). My question is: Can you suggest how to spread this type of knowledge? I know that the surface of the problem is that these applications have a poor architecture and design. Another issue is that there are some developers who are against writing any kind of test. A few things I'm doing to change this (but I'm either failing or the change is too small are) Running presentations about design principles (SOLID, clean code, etc). Workshops about TDD and BDD. Coaching teams (this includes using sonar, findbugs, jdepend and other tools). IDE & Refactoring talks. A few things I'm thinking to do in the future (but I'm concern that they might not be good) Form a team of OO evangelists, who disseminate an OO way of thinking in differet teams (these people would need to change teams every few months). Running design review sessions, to criticise the design and suggest improvements (even if the improvements are not done because of time constraints, I think this might be useful) . Something I found with the teams I coach, is that as soon as I leave them, they revert back to the old practices. I know I don't spend a lot of time with them, usually just one month. So whatever I'm doing, it doesn't stick. I'm sorry this question is spattered with frustration, but the alterative to write this was to hit my head on the wall until I pass out.

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  • TechEd 2010 Day Three: The Database Designer (Isn't)

    - by BuckWoody
    Yesterday at TechEd 2010 here in New Orleans I worked the front-booth, answering general SQL Server questions for the masses. I was actually a little surprised to find most of the questions I got were from folks that wanted to know more about Stream Insight and Master Data Services. In past conferences I've been asked a lot of "free consulting" questions, about problems folks have had from older products. I don't mind that a bit - in fact, I'm always happy to help in any way I can. But this time people are really interested in the new features in the product, and I like that they are thinking ahead, not just having to solve problems in production. My presentation was on "Database Design in an Hour". We had the usual fun, and SideShow Bob made an appearance - I kid you not. The guy in the back of the room looked just like Sideshow Bob, so I quickly held a "bes thair" contest, and he won. Duing the presentation, I explain the tools you can use to design databases. I also explain that the "Database Designer" tool in SQL Server Management Studio (SSMS) isn't truly a desinger - it uses non-standard notation, doesn't have a meta-data dictionary, and worst of all, it works at the physical level. In other words, whatever you do in SSMS will automatically change the field/table/relationship structures in the database. We fixed this in SSMS 2008 and higher by adding an option to block that, but the tool is not a good design function nonetheless. To be fair, no one I know of at Microsoft recommends that it is - but I was shocked to hear so many developers in the room defending it as a good tool. I think the main issue for someone who doesn't have to work with Relational Systems a great deal is that it can be difficult to figure out Foreign Keys. The syntax makes them look "backwards", so it's just easier to grab a field and place it on the table you want to point to. There are options. You can download a couple of free tools (CA has a community edition of ER-WIN, Quest has one, and Embarcadero also has one) and if you design more than one or two databases a year, it may be worth buying a true design tool. For years I used Visio, but we changed it so that it doesn't forward-engineer (create the DDL) any more, so it isn't a true design tool either. So investigate those free and not-so-free tools. You'll find they help you in your job - but stay away from the Database Designer in SSMS. Or I'll send Sideshow Bob over there to straighten you out. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • PASS Summit 2010 Presentation Feedback

    - by andyleonard
    Introduction It's always an honor to present anywhere. Presenting at the PASS Summit is a special honor. I delivered three presentations last month: Database Design for Developers SSIS Design Patterns, Part 2 A Lightning Talk on SSIS Database Design for Developers First, a bit of explanation (defense): I submitted this abstract to the PASS Abstracts folks by mistake . I kid you not. Inspired by Adam Machanic ( Blog | @AdamMachanic ) I maintain a document of current presentations. I've recently published...(read more)

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  • Presenting to the New England SQL Server Users Group 10 Jun 2010!

    - by andyleonard
    I am honored to present Applied SSIS Design Patterns to the New England SQL Server Users Group on 10 Jun 2010! This is a reprise of the spotlight session presented at the PASS Summit 2009. Abstract "Design Patterns" is more than a trendy buzz phrase; design patterns are a way of breaking down complex development projects into manageable tasks. They lend themselves to several development methodologies and apply to SSIS development. Chances are you're using your own design patterns now! In this spotlight...(read more)

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  • Team Development: Web Designing - Templates

    - by flashcorp
    Anyone here got some experience on designing a web template collaboratively? Me and my team are going to design a web page, a responsive site. I'm a little confused about how we will going to share the tasks? example WebDesigner1 is going to design the header and WebDesigner2 is going to design the footer? looks like its going to be hard and unorganized specially when using version controls.. any tips please?

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  • The Best Title for my Skill Set [closed]

    - by nickelpickle
    I'm about to branch off into the freelance world. I'm starting an LLC and I'd like some input on what I should title myself as the owner. For example "creative specialist" or "creative technician" or something like that. My services would be: Website design / development Graphic design: icon design, templates, web graphics, business cards / brochures / letterheads / etc. Writing: content writing/copywriting, technical writing, editing / proofreading / copyediting Photography, photo editing Does anybody have any ideas on some general terms that would apply to this type of business?

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  • InfoPath 2010 Form Design and Web Part Deployment

    - by JKenderdine
    In January I had the pleasure to speak at SharePoint Saturday Virginia Beach.  I presented a session on InfoPath 2010 forms design which included some of the basics of Forms Design, description of some of the new options with InfoPath 2010 and SharePoint 2010, and other integration possibilities.  Included below is the information presented as well as the solution to create the demo: First thing you need to understand is what the difference is between an InfoPath List form and a Form Library Form?  SharePoint List Forms:  Store data directly in a SharePoint list.  Each control (e.g. text box) in the form is bound to a column in the list. SharePoint list forms are directly connected to the list, which means that you don’t have to worry about setting up the publish and submit locations. You also do not have the option for back-end code. Form Library Forms:  Store data in XML files in a SharePoint form library.  This means they are more flexible and you can do more with them.  For example, they can be configured to save drafts and submit to different locations. However, they are more complex to work with and require more decisions to be made during configuration.  You do have the option of back-end code with these type of forms. Next steps: You need to create your File Architecture Plan.  Plan the location for the saved template – both Test and Production (This is pretty much a given, but just in case - Always make sure to have a test environment) Plan for the location of the published template Then you need to document your Form Template Design Plan.  Some questions to ask to gather your requirements: What will the form be designed to do? Will it gather user information? Will it display data from a data source? Do we need to show different views to different users? What do we base this on? How will it be implemented for the users? Browser or Client based form Site collection content type – Published through Central Admin Form Library – Published directly to form library So what are the requirements for this template?  Business Card Request Form Template Design Plan Gather user information and requirements for card Pull in as much user information as possible. Use data from the user profile web services as a data source Show and hide fields as necessary for requirements Create multiple views – one for those submitting the form and another view for the executive assistants placing the orders. Browser based form integrated into SharePoint team site Published directly to form library The form was published through Central Administration and incorporated into the site as a content type. Utilizing the new InfoPath Web part, the form is integrated into the page and the users can complete the form directly from within that page. For now, if you are interested in the final form XSN, contact me using the Contact link above.   I will post soon with the details on how the form was created and how it integrated the requirements detailed above.

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  • Multitenant Design for SQL Azure: White Paper Available

    - by Herve Roggero
    Cloud computing is about scaling out all your application tiers, from web application to the database layer. In fact, the whole promise of Azure is to pay for just what you need. You need more IIS servers? No problemo... just spin another web server. You expect to double your storage needs for Azure Tables? No problemo; you are covered there too... just pay for your storage needs. But what about the database tier, SQL Azure? How do you add new databases easily, and transparently, so that your application simply uses more of SQL Azure if its needs to? Without changing a single line of code? And what if you need to scale back down? Welcome to the world of database scalability. There are many terms that describe database scalability, including data federation, multitenant designs, and even NoSQL depending on the technical solution you are implementing.  Because SQL Azure is a transactional database system, NoSQL is not really an option. However data federation and multitenant designs offer some very interesting scalability options that are worth considering. Data federation, a feature of SQL Azure that will be offered in the future, offers very interesting capabilities available natively on the SQL Azure platform. More to come in a few weeks... Multitenant designs on the other hand are design practices and technologies designed to help you reach flexible scalability options not available otherwise. The first incarnation of such a method was made available on CodePlex as an open source project (http://enzosqlshard.codeplex.com).  This project was an attempt to provide a sharding library for educational purposes.  All that sounds really cool... and really esoteric... almost a form of database "voodoo"... However after being on multiple Azure projects I am starting to see a real need. Customers want to be able to free themselves from the database tier, so that if they have 10 new customers tomorrow, all they need to do is add 2 more SQL Azure instances. It's that simple. How you achieve this, and suggested application design guidelines, are available in a white paper I just published.  The white paper offers two primary sections. The first section describes the business and technical problem at hand, and how to classify it according to specific design patterns. For example, I discuss compressed shards through schema separation. The second section offers a method for addressing the needs of a multitenant design using a new library, the big bother of the codeplex project mentioned previously (that I created earlier this year), complete with management interface and such. A Beta of this platform will be made available within weeks; as soon as the documentation will be ready.   I would like to ask you to drop me a quick email at [email protected] if you are going to download the white paper. It's not required, but it would help me get in touch with you for feedback.  You can download this white paper here:   http://www.bluesyntax.net/files/EnzoFramework.pdf . Thank you, and I am looking for feedback, thoughts and implementation opportunities.

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  • How do you model roles / relationships with Domain Driven Design in mind?

    - by kitsune
    If I have three entities, Project, ProjectRole and Person, where a Person can be a member of different Projects and be in different Project Roles (such as "Project Lead", or "Project Member") - how would you model such a relationship? In the database, I currently have the following tablers: Project, Person, ProjectRole Project_Person with PersonId & ProjectId as PK and a ProjectRoleId as a FK Relationship. I'm really at a loss here since all domain models I come up with seem to break some "DDD" rule. Are there any 'standards' for this problem? I had a look at a Streamlined Object Modeling and there is an example what a Project and ProjectMember would look like, but AddProjectMember() in Project would call ProjectMember.AddProject(). So Project has a List of ProjectMembers, and each ProjectMember in return has a reference to the Project. Looks a bit convoluted to me. update After reading more about this subject, I will try the following: There are distinct roles, or better, model relationships, that are of a certain role type within my domain. For instance, ProjectMember is a distinct role that tells us something about the relationship a Person plays within a Project. It contains a ProjectMembershipType that tells us more about the Role it will play. I do know for certain that persons will have to play roles inside a project, so I will model that relationship. ProjectMembershipTypes can be created and modified. These can be "Project Leader", "Developer", "External Adviser", or something different. A person can have many roles inside a project, and these roles can start and end at a certain date. Such relationships are modeled by the class ProjectMember. public class ProjectMember : IRole { public virtual int ProjectMemberId { get; set; } public virtual ProjectMembershipType ProjectMembershipType { get; set; } public virtual Person Person { get; set; } public virtual Project Project { get; set; } public virtual DateTime From { get; set; } public virtual DateTime Thru { get; set; } // etc... } ProjectMembershipType: ie. "Project Manager", "Developer", "Adviser" public class ProjectMembershipType : IRoleType { public virtual int ProjectMembershipTypeId { get; set; } public virtual string Name { get; set; } public virtual string Description { get; set; } // etc... }

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  • how to design a database for a specific website.

    - by Steven Spielberg
    i want to design a Database for a website. how i can design it better. are you know any particular thing, tips , technique to design it in better way. in a table of information user can allow to website to show it or hide it. how can i do this like info1 = show info2 = show info3 = show i have a much more field that user can be showed and hide. how i can handle this situation or condition in Database

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  • How to start recognizing design patterns as you are programming?

    - by Jon Erickson
    I have general academic knowledge of the various design patterns that are discussed in GoF and Head First Design Patterns, but I have a difficult time applying them to the code that I am writing. A goal for me this year is to be able to recognize design patterns that are emerging from the code that I write. Obviously this comes with experience (I have about 2 years in the field), but my question is how can I jumpstart my ability to recognize design patterns as I am coding, maybe a suggestion as to what patterns are easiest to start applying in client-server applications (in my case mainly c# webforms with ms sql db's, but this could definitely be language agnostic).

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  • When are you truly forced to use UUID as part of the design?

    - by Pyrolistical
    I don't really see the point of UUID. I know the probability of a collision is effectively nil, but effectively nil is not even close to impossible. Can somebody give an example where you have no choice but to use UUID? From all the uses I've seen, I can see an alternative design without UUID. Sure the design might be slightly more complicated, but at least it doesn't have a non-zero probability of failure. UUID smells like global variables to me. There are many ways global variables make for simpler design, but its just lazy design.

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  • DB Interface Design Optimization: Is it better to optimise for Fewer requests of smaller data size?

    - by Overflow
    The prevailing wisdom in webservices/web requests in general is to design your api such that you use as few requests as possible, and that each request returns therefore as much data as is needed In database design, the accepted wisdom is to design your queries to minimise size over the network, as opposed to minimizing the number of queries. They are both remote calls, so what gives?

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  • How to set up Mac Os X like dragging behaviour on Linux

    - by ticking
    I would like to use Linux(Fedora) on a Aluminum MacBook Pro, but since the Touchpad on a MacBook Pro is only a giant button Apple does some custom tracking. When there is one finger placed, and a second follows (the click can occur before or after that) it will be interpreted as a drag. So the strong thumb can be used to hold pressure and the more accurate index finger can do the pointing. But Linux interprets this as a right click, since it only cares if two fingers are on the pad. Is there a way to achieve said behaviour? Cheers Jan

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  • Firefox location bar search: odd behaviour with Comodo firewall

    - by JNat
    I recently installed Comodo firewall, and it changed the behaviour of my Firefox location bar. I used to type something there and it either redirected me to a google search page or it actually redirected me to the site I wanted at once: If I typed 'imdb cloud atlas' it would redirect me to IMDB's page on Cloud Atlas, and the same would happen if I typed 'wiki' or 'wikipedia', redirecting me to Wikipedia's page on it. Now, it redirects me here. I checked this page and everything is according to what they describe, yet it doesn't seem to act the way it should. And there are no Comodo add-ons or extensions installed on Firefox. Can anyone help me?

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  • Behaviour of disabling "Allow non-administrators to receive notifications" GPO

    - by Jaymz
    Hi everyone, As the title suggests, I'm trying to figure out the specific behaviour of the following GPO when disabled: Administrative Templates Windows Components Allow non-administrators to receive update notifications We've just started using WSUS, and have added a few machines for testing. At the moment, this is set to Enabled. The problem with this setting is it seems to allow users to opt out of certain updates if they deselect the checkbox after hitting custom install. My main concern with disabling this setting is this: Does it stop non-admins from getting the installs deployed to them? My guess would be that it will just install them silently at the set scheduled time, suppressing any prompts and ensuring they don't get the opportunity to cancel them (this is what I want). My worry is that non-admin users will never get updates pushed to them unless an admin goes and logs on to their machine (not what I want, and seems like a silly situation to be in). Thanks in advance, Jaymz.

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  • A new name for unit tests

    - by Will
    I never used to like unit testing. I always thought it increased the amount of work I had to do. Turns out, that's only true in terms of the actual number of lines of code you write and furthermore, this is completely offset by the increase in the number of lines of useful code that you can write in an hour with tests and test driven development. Now I love unit tests as they allow me to write useful code, that quite often works first time! (knock on wood) I have found that people are reluctant to do unit tests or start a project with test driven development if they are under strict time-lines or in an environment where others don't do it, so they don't. Kinda like, a cultural refusal to even try. I think one of the most powerful things about unit testing is the confidence that it gives you to undertake refactoring. It also gives new found hope, that I can give my code to someone else to refactor/improve, and if my unit tests still work, I can use the new version of the library that they modified, pretty much, without fear. It's this last aspect of unit testing that I think needs a new name. The unit test is more like a contract of what this code should do now, and in the future. When I hear the word testing, I think of mice in cages, with multiple experiments done on them to see the effectiveness of a compound. This is not what unit testing is, we're not trying out different code to see what is the most affective approach, we're defining what outputs we expect with what inputs. In the mice example, unit tests are more like the definitions of how the universe will work as opposed to the experiments done on the mice. Am I on crack or does anyone else see this refusal to do testing and do they think it's a similar reason they don't want to do it? What reasons do you / others give for not testing? What do you think their motivations are in not unit testing? And as a new name for unit testing that might get over some of the objections, how about jContract? (A bit Java centric I know :), or Unit Contracts?

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  • Selenium Data Driven Testing with C#

    - by Dinesh Kanojia
    HI All, i am Dinesh Kanojia and i am new in the Automate testing and i want to perform data driven testing in selenium using ASP.NET(C#),ajax and almost all the features of jquery so any one can give me the step how to perform data driven testing using c# or some demo through which i can perform my testing thanks in advance, warm regards, Dinesh.K

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