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  • Objective-C and its relation to C

    - by Daziplqa
    Hi folks, Actually, I am very new to Mobile programming, and need to take your opinions. I am a Java Developer with a C background, and I need to start Learning Objective-C with a target to do mobile app for iPhone and to refresh my knowledge in C (as I know, Objective-C is a pure superset for C, ain't it?). So, the question is, With objective C, can I achieve my two objectives which are again: Do mobile dev for iPhone refresh my refresh my knowledge with C

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  • Fluent API Style Usage

    - by Chris Dwyer
    When programming against a fluent API, I've seen the style mostly like this: var obj = objectFactory.CreateObject() .SetObjectParameter(paramName, value) .SetObjectParameter(paramName, value) .DoSomeTransformation(); What is the reasoning behind putting the dot at the beginning of the line instead of the end of the line like this: var obj = objectFactory.CreateObject(). SetObjectParameter(paramName, value). SetObjectParameter(paramName, value). DoSomeTransformation(); Or, is it merely a style thing that a team makes a consensus on?

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  • cool project to use a genetic algorithm for?

    - by Ryan
    I'm looking for a practical application to use a genetic algorithm for. Some things that have thought of are: Website interface optimization Vehicle optimization with a physics simulator Genetic programming Automatic test case generation But none have really popped out at me. So if you had some free time (a few months) to spend on a genetic algorithms project, what would you choose to tackle?

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  • Would Ruby on Rails be appropriate for this Foreign Language project?

    - by Lynne Overesch-Maister
    I'm a Spanish professor & computer groupie. About 15 years ago, I authored in HyperCard a series of verb conjugation programs that are now completely out of date with respect to System OS X. I would like to redo these programs myself because I had a lot of fun doing them last time (mostly I coded while my son played in Leaps and Bounds, you know, one of those places where parents take their kids & let them run wild through the tubes...). Colleagues have mentioned using Flash, Director, and various other solutions, but I saw a presentation on RoR at our SIDLIT conference today, and was inspired. I will be parsing and comparing strings (and there are other features on top of that, but that is the main one), "adding" strings relationally indexed in some kind of database(s). It will also have to handle various foreign characters (accents, upside down question marks, etc.). On top of the main process of the program, it will have to provide a practice vs. test mode, keep track of specific answers as well as totals right/wrong, and print a report. Would this be either easier and/or more efficiently done in RoR than in other languages. I am pretty sure that it will work on a Microsoft server, right? Because I think that is where most of our stuff is. I would be programming either on a Mac or a PC, whichever you think is easier. So, in summary, is RoR the way for me to go with this project? If I have some (little) experience programming in Hypercard and C, should I be able to pick RoR up fairly quickly? What things will I need to start (I already saw something called Redhills foreign key migration plugin, which I assume would be beneficial)? I still have my old scripts from hypercard, however what I would really like to do is to combine all six of my former tense-specific programs into one larger program. I figure that it wouldn't be too hard to reference the individual tenses in some way--could that be a class? Many thanks for any help you can give me on this forum.

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  • How does an "extern C" declaration work?

    - by samoz
    I'm taking a programming languages course and we're talking about the "extern C" declaration. How does this declaration work at a deeper level other than "it interfaces C and C++"? How does this affect the bindings that take place in the program as well?

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  • Is it worth moving from stored procedures to linq ?

    - by Josef
    I'm looking at standardizing programming in an organisaiton. Half uses stored procedures and the other half Linq. From what i've read there is still some debate going on on this topic. My concern is that MS is trying to slip in it's own proprietry query language 'linq' to make SQL redundant. If a few years back microsoft had tried to win customers from oracle and sybase with their MSSQL database and stated that it didn't use SQL by their own proprietry query langues ie linq. I doubt many would have switched. I believe that is exactly what is happening now by introducting it into the applicaiton business layer. I have used MS for many years but there is one gripe that I have with them and that is that they change their direction a lot. By a lot I mean new releases of .net, silverlight etc are more than 30% different from previous version. So by the time you become productive a new release is on the way. As things stand now a web developer using .net would need to know either vb.net or c#, xml, xaml,javascript,html, sql and now linq. That doesn't make for good productivity in my books. My concern is that once we all start using linq MS will start changing it between releases. and it will become an ever changing landscape. I believe that 'linq to sql' has already been deprecated. At leas with SQL we are dealing with a more stable and standardized language. Are we looking at a programming revolution or a marketing campaign? As far as I know other languages like Cobol have stayed the same for years. A cobol program from 20 years ago could pick up todays code and start working on it. Could a Vb3 person work on a modern .net web app ? Would these large changes need to be made if the underlying original foundation had been sound ? I worry about following MS shaking roadmap with it's deadends and double backs. are there any architects out there who feel the same ? regards Josef

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  • Whats the point of STL?

    - by Jonathan D
    I've been programming c++ for about a year now and when i'm looking about i see lots of references to STL. Can some one please tell me what it does? and the advantages and disadvantageous of it? thanks

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  • Better C# Syntax Coloring for Visual Studio 2010?

    - by Oak
    Coming from Eclipse, I'm disappointed with the very limited syntax coloring capabilities offered for C# by Visual Studio (all versions, up to 2010). In particular, I'm interesting in distinct coloring for methods / fields / locals / static stuff. I'm aware Visual Assist can enhance the coloring, but I've failed to find any free alternative capable of doing that, so I'm turning to SO (I hope it's programming-related enough). Is there any free (or at least cheaper than Visual Assist) solution capable of enhancing the syntax coloring for C#?

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  • Html / Email / Distribution list problem from a noob

    - by Hezeus
    I need to create a feature for a website that will allow a user to enter their email in order to receive a free promotion (which will be emailed immediately) and be added to an announcement list. I haven't done any web programming and am wondering where I should start? Should I just create a database and everytime an email is entered, add the email to the database, then when I want to send out an announcement just write a script that will send an email to every address? Thanks!

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  • developing sms application in iPhone??

    - by hemant
    Hello, i am new to iPhone programming and i was thinking of developing an sms application through which user can send and receive sms inside my application similar to iPhone own message application.i think apple doesn't provide any API regarding accessing sms inbox?? is there any other way around it??

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  • Attribute References in Python

    - by Jeune
    I do Java programming and recently started learning Python via the official documentation. I see that we can dynamically add data attributes to an instance object unlike in Java: class House: pass my_house = House() my_house.number = 40 my_house.rooms = 8 my_house.garden = 1 My question is, in what situations is this feature used? What are the advantages and disadvantages compared to the way it is done in Java?

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  • RTS AI: where to start?

    - by awegawef
    I'd like to begin tinkering around with an RTS AI, but I'm having trouble finding a good environment to work with, ie a game that has been already created. I have looked at Spring RTS and Bos Wars, but they don't seem to be conducive to creating simple examples. I am not totally opposed to writing my own game environment, it would just take a long time. Does anyone have a suggestion as to how I can get my feet wet without programming my own game?

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  • Howto start writing iPad applications?

    - by Lothar
    I know Objective-C from Desktop Apple Programming. But i want to jump on the iPad bandwagon and start developing some small edutainment applets. Is the iPad API the same as iPhone just with more power? Do i need to join the iPhone developer program and does it still start with $100. Is there any iPad emulator yet?

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  • Difference between Property and Method

    - by Asim Sajjad
    Which one is better to use when it come to return value for example public int EmployeeAge { get{return intEmployeeAge}; } And public int EmployeeAge() { return intEmployeeAge; } Which one is better and why? And what is best programming practice to use when we have secnario like above ?

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  • When to use Python special methods?

    - by bodacydo
    I know that classes can implement various special methods, such as __iter__, __setitem__, __len__, __setattr__, and many others. But when should I use them? Can anyone describe typical scenarios when I would want to implement them and they would simplify programming in Python? Thanks, Boda Cydo.

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  • How to get HDD volume id programmatically?

    - by Leandro
    Hi, everybody. I`m programming in obj-c using cocoa, and I would like to discover the HDD volume id programmatically.I know that I will probably need to do this in pure C and than use it in my app, but even in the C language I could not find any answers. Please help.Thanks!

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  • Tips for transitioning from Visual Basic to Xcode

    - by Cyclone
    I've been programming in VB.net for a while now, and I finally got access to a mac to make ipod apps. What are some useful sites, videos, etc. that could help me get used to Objective C and the Xcode IDE? I've stumbled upon the samples on the apple dev site, but none of them really give good examples which I could learn the syntax of the language from. Thanks for the help, Objective C is really a big change from VB.net!

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  • OpenFileDialog directing to a file 2 directories back

    - by steve
    I'm having problems in visual basic programming. Currently I open a file using an open file dialog window and navigating to a file to open it. I want to be able to write a simple line saying ( and this is the best way I can describe it), Open this file "....\users.text". Please can someone help?

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  • Java TCP keep-alive for a master server

    - by asmo
    Context: Master server (Java, TCP) monitoring a list of hosted games (a different machine for the master server and for each hosted game server). Any user can host a game on his PC. Hosted games can last weeks or months. Need: Knowing when hosted game servers are closed or no longer reachable. Restriction 1: Can't rely on hosted servers' "gone offline update message", since those messages may never arrive (power down, Internet link cut, etc.) Restriction 2: I'm not sure about TCP's built-in keep-alive, since it would mean a 24/7 open socket with each hosted server (correct me if I'm wrong) Any thoughts?

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