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Search found 174 results on 7 pages for 'rational'.

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  • Are there any empirical studies on the effect of different languages on software quality?

    - by jgre
    The proponents of functional programming languages assert that functional programming makes it easier to reason about code. Those in favor of statically typed languages say that their compilers catch enough errors to make up for the additional complexity of type systems. But everything I read on these topics is based on rational argument, not on empirical data. Are there any empirical studies on what effects the different categories of programming languages have on defect rates or other quality metrics? (The answers to this question seem to indicate that there are no such studies, at least not for the dynamic vs. static debate)

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  • Pricing options at O’Reilly

    - by Nick Harrison
    I was browsing through the new options for books on O'Reilly and Associates and noticed something kind of cool    If you buy the print edition of a book, you can get the ebook for just a couple dollars more.  This is pure genius marketing. I may question whether or not I want the ebook at 20 or the print copy at 25, but to get them both for 28, well that's a no brainer.  This is actually a strategy examined at great depth in Predictably Rational In all honesty, $20 is probably over priced for the ebook, but $3 if you are already buying the print edition is actually a pretty good deal  .

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  • Can You Have "Empty" Abstract/Classes?

    - by ShrimpCrackers
    Of course you can, I'm just wondering if it's rational to design in such a way. I'm making a breakout clone and was doing some class design. I wanted to use inheritance, even though I don't have to, to apply what I've learned in C++. I was thinking about class design and came up with something like this: GameObject - base class (consists of data members like x and y offsets, and a vector of SDL_Surface* MovableObject : GameObject - abstract class + derived class of GameObject (one method void move() = 0; ) NonMovableObject : GameObject - empty class...no methods or data members other than constructor and destructor(at least for now?). Later I was planning to derive a class from NonMovableObject, like Tileset : NonMovableObject. I was just wondering if "empty" abstract classes or just empty classes are often used...I notice that the way I'm doing this, I'm just creating the class NonMovableObject just for sake of categorization. I know I'm overthinking things just to make a breakout clone, but my focus is less on the game and more on using inheritance and designing some sort of game framework.

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  • Should I use title case in URLs?

    - by Amadiere
    We are currently deciding on a consistent naming convention across a site with multiple web applications. Historically, I've been an advocate of the 'lowercase all the letters!' when creating URLs: http://example.com/mysystem/account/view/1551 However, within the last year or two, specifically since I began using ASP.NET MVC & had more dealings with REST based URLs, I've become a fan of capitalizing the first letter of each section/word within the URL as it makes it easier to read (imho). http://example.com/MySystem/Account/View/1551 We're not in a situation where people need to read or be able to understand the URLs, so that's not a driver per se. The main thing we are after is a consistent approach that is rational and makes sense. Are there any standards that declare it good to do one way or another, or issues that we may run into on (at least realistically modern) setups that would choose a preference over another? What is the general consensus for this debate currently?

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  • Why is database developer pay so high? [closed]

    - by user433500
    Just wondering why someone would get 10k+ in some area in US for just writing queries and creating tables. While the average salary for someone who does scripting, object oriented programming, J2EE and database all together is only ~12K in new york city. Is there similar opportunities in cities like new york where only doing database gets one 10K+? What is the rational of companies paying such a high salary to consultants for just writing simple queries? I am sure college grad can do that with ease and will be quite satisfied with a 60k+ pay for a couple of year. Does location really matter so much?

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  • Where can I find game postmortems with a programmer perspective [on hold]

    - by Ken
    There are a number of interesting game post-mortems in places like GDC vault or gamastura.com. The post-mortems are generally give with a CEO/manager perspective or a designer perspective, or, more often a combination of both e.g DOOM postmortem But I have not been able to find many post-mortems which are primarily from the programmers perspective. I'm looking for discussions and rational for technical choices and tradeoffs and how technical problems were overcome. The motivation here is to learn what kind of problems real game programmers encounter and how they go about solving them. A perfect example of what I'm looking for is Renaud Bédard's excellent GDC talk on the development of Fez, "Cubes all the way down". Where can I find more like that?

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  • The ETL from Hell - Diagnosing Batch System Performance Issues

    Too often, the batch systems that underlie a lot of database processing just grow without conscious design. When runs start to extend beyond their allotted time, and tuning no longer solves the problem, it is often discovered that batches are run in series, with draconian error handling. It is time to impose some rational design, and Nigel is a seasoned healer of batch processes. The seven tools in the SQL DBA Bundle support your core SQL Server database administration tasks.Make backups a breeze! Enjoy trouble-free troubleshooting! Make the most of monitoring! Download a free trial now.

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  • Tension between the dependency inversion principle and avoiding "new" in C++?

    - by Kazark
    I have seen a lot of advice that it is better to do Type object; than Type* object = new Type(); in C++ whenever possible. I understand the rational behind this and appreciate it. But according to my understanding, to practice dependency inversion requires pointers, e.g.: Type* object = new Implementation();. (Or am I wrong about that?) Is there an inherent tension between the DIP and avoiding new when using C++? If so, what patterns/principles/practices can be used to mitigate this tension?

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  • Using packages (gems, eggs, etc.) to create decoupled architectures

    - by Juan Carlos Coto
    The main issue Seeing the good support most modern programming platforms have for package management (think gem, npm, pip, etc), does it make sense to design an application or system be composed of internally developed packages, so as to promote and create a loosely coupled architecture? Example An example of this would be to create packages for database access, as well as for authentication and other components of the system. These, of course, use external packages as well. Then, your system imports and uses these packages - instead of including their code within its own code base. Considerations To me, it seems that this would promote code decoupling and help maintainability, almost in a Web-based-vs.-desktop-application kind of way (updates are applied almost automatically, single code base for single functionality, etc.). Does this seem like a rational and sane design concept? Is this actually used as a standard way of structuring applications today? Thanks very much!

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  • Show SQL query results in Sharepoint

    - by JoeOD
    Hi All I support Rational clearquest for my company and have been asked to show some of the data in Sharepoint. I can query the data in Clearquest no problem (Using Toad) but have no idea about how to go displaying it in Sharepoint. The data I'm querying contains dates and ideally I'd like to be able display it in a sharepoint calendar but list format would do for the moment. Can anybody offer advice on even where to start? Thanks, Joe

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  • how to install clearcase 7.1.1

    - by Gandalf StormCrow
    I've been googling for a while now, I found some not complete tutorials how to install CC 7.1.1 like this one : https://publib.boulder.ibm.com/infocenter/cchelp/v7r1m0/index.jsp?topic=/com.ibm.rational.clearcase.cc_ms_install.doc/topics/t_install_ccrc_eclipse.htm Which update site do I add in eclipse to install 7.1.1 ? I need this particular version because it is only one supported in windows 7

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  • Where is the source archive for my Websphere portal classes?

    - by cringe
    I'm pretty new to Websphere application development and I'm missing the source attachment for all the classes in the com.ibm.wps.* packages in my IBM Rational Application Developer setup. For example the class com.ibm.wps.engine.Command from JAR wp.engine.impl.jar has no source attached. Do I have to install another package with the sources or where can I find it? Also, excuse the question if it is so trivial and stupid... :-}

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  • How do I build a J2EE EAR file in RAD using Maven?

    - by Stevie
    Using Rational Application Developer to create a J2EE application, I create a project for my EAR and a project for my WAR - following the usual project structure created by RAD. So, how do I create a Maven build file that builds the EAR with the WAR inside, etc - ready to deploy. Build needs to work when kicked-off from Hudson.

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  • Can I migrate from ClearCase to Serena VM?

    - by Rich B
    I have a repository using Rational ClearCase Explorer 2003.06.10+ which I want to migrate into Serena ChangeMan Version Manager 8.1.4.2. Is this possible? The ClearCase repository was not used for all it's functions, just as a place to hold copies of documents, so the only thing I need to keep is the files and their version histories.

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  • how to learn visio?

    - by user285825
    I used rational rose for UML diagramming. It seemed to be very user-friendly and intuitive. But this visio this is seems so awful. It is not intuitive at all. And I am getting what I am expecting. How to learn more about visio 2007?

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  • ASP.NET MVC Project and the App_Code folder

    - by brunot
    How come App_Code is not a choices in the Add ASP.NET Folder submenu in the VS solution explorer? I realize you can create one yourself manually by just renaming a New Folder, but what is the rational here? Is this not where you are supposed to put "utility" or "service layer" type classes? On a MVC project side note. I do like the fact that there is a reference to System.Configuration out-of-the-box unlike the default ASP.NET Web Form Projects.

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  • which should be drawn first , class or sequence diagram?

    - by m0j1
    hi , I've had this discussion with my professor at college about UML diagrams . hi believes that sequence diagrams should be drawn before getting to class diagrams . but I think the opposite . I think after finishing the usecase diagram , the next diagram should be class diagram and after that we should get to sequence diagram . Rational rose requires us to use the classes in sequence diagram, which are already in class diagram . can anyone help me with this? thanks

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  • Grading your programming ability?

    - by Farstucker
    I understand this is a subjective question and very likely could be closed, and although there is no right or wrong answer I do believe its a legitimate question. At what point do you no longer consider someone a beginner (ie knowledge of loops, encapsulation, instantiation), an intermediate (design patterns, reflection, delegates, interfaces) or an expert (architecture, multi-threadding). My rational for asking such a question is two-fold, first, when do I stop labeling my questions as beginner and during a job interview how should I categorize myself?

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  • Will Visual Studio 2010 democratize UML ?

    - by asksuperuser
    I've been very upset these past years with all the UML tools (especially the clunky mammoth Rational Rose from IBM which I really hated each time a client asked to use it). I think UML did suffer from bad integration. I rarely used UML myself because of lack of productivity. So I had a positive surprise with Visual Studio 2010 especially the sequence diagram reversing tool which really helps understand code. For people who had tried VS 2010 Ultimate do you think the same ?

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  • Why won't the following haskell code compile?

    - by voxcogitatio
    I'm in the process of writing a small lisp interpreter in haskell. In the process i defined this datatype, to get a less typed number; data Number = _Int Integer | _Rational Rational | _Float Double deriving(Eq,Show) Compiling this fails with the following error: ERROR "types.hs":16 - Syntax error in data type declaration (unexpected `|') Line 16 is the line w. the first '|' in the code above.

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  • Viable development for iPhone after 3.3.1 change?

    - by Kevin
    With the latest changes to the developer agreement by Apple, how inherant is the risk of using any kind of framework to develop Apps for devices now? Should shops risk using things like MonoTouch, Three20, Appcelerator since this change? How are some iPhone/iPad developers here handling it? http://www.pcworld.com/article/193916/apples_new_iphone_app_policy_unreasonable_and_unjustifiable.html http://www.wired.com/gadgetlab/2010/04/iphone-flash-policy-steve-jobs/ http://37signals.com/svn/posts/2273-five-rational-arguments-against-apples-331-policy

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