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  • What implementation problems are still soaking up all of your time?

    - by Conor
    What implementation problems has the industry claimed to have solved many times, but are still soaking up all of your time? Examples: Cross platform GUI - mobile devices have blown this issue wide open. OO to RDBMS mapping - how do I map this attribute to that field in that database using that framework. You get the idea. Interface definitions - ..., CORBA, COM, EJB, WSDL, ..., etc Can you think of any others?

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  • How to ask Debian not to check last mount time of its file system?

    - by Landy
    I'm using Debian 6.0.5. To test a feature of my product, I need to modify the system date&time back and forth frequently. Once a time I set the system date back to one month ago, then I reboot the system, and it reported the last mount time of the file system is in the future and enter the maintenance mode automatically. I had to run the fsck to make sure the file system is not broken to boot into Debian. Is there any way to ask Debian stop checking the last mount time of its file system when booting? Thanks.

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  • How to design the scenarios in a platform game?

    - by ReyLitch
    I am developing a 3D platform game like Metroid Fusion with XNA. I have many classes for different elements as models, game screens, postprocessing and so on. Now I want to start designing the scenarios but I think that the scenarios needed in a platform game are not as conventional (by conventional I say something like this). I am very lost and not know where to start and how to structure it. Thanks in advance.

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  • Is the TCP protocol good enough for real-time multiplayer games?

    - by kevin42
    Back in the day, TCP connections over dialup/ISDN/slow broadband resulted in choppy, laggy games because a single dropped packet resulted in a resync. That meant a lot of game developers had to implement their own reliability layer on top of UDP, or they used UDP for messages that could be dropped or received out of order, and used a parallel TCP connection for information that must be reliable. Given the average user has faster network connections now, can a real time game such as an FPS give good performance over a TCP connection?

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  • Eliminating Magic Numbers: When is it time to say "No"?

    - by oosterwal
    We're all aware that magic numbers (hard-coded values) can wreak havoc in your program, especially when it's time to modify a section of code that has no comments, but where do you draw the line? For instance, if you have a function that calculates the number of seconds between two days, do you replace seconds = num_days * 24 * 60 * 60 with seconds = num_days * HOURS_PER_DAY * MINUTES_PER_HOUR * SECONDS_PER_MINUTE At what point do you decide that it is completely obvious what the hard-coded value means and leave it alone?

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  • What is the actual problem with a prototype based design?

    - by WindScar
    I feel like anything that can be developed using OO/functional languages can be generally made 'better' using a prototype based language, because they appaer to have the best of them all: high order functions, flexibility to simulate any OO structure, productivity (low verbosity) and scalability because of concurrency. But it seems like they are avoided for the creation of executable applications and of bigger projects in general. Why that?

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  • Using stored procedure to call multiple packages at the same time from SSIS Catalog (SSISDB.catalog.start_execution) resulted in deadlock

    - by Kevin Shyr
    Refer to my previous post (http://geekswithblogs.net/LifeLongTechie/archive/2012/11/14/time-to-stop-using-ldquoexecute-package-taskrdquondash-a-way-to.aspx) about dynamic package calling and multiple packages execution in these posts: I only saw this twice, other times the stored procedure was able to call the packages successfully.  After the service pack, I haven't seen it...yet. http://support.microsoft.com/kb/2699720

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  • Melhoria de Performance no .NET 4.5: Multicore Just-in-Time (JIT).

    - by anobre
    Olá pessoal! Dando uma lida nas melhorias de performance da plataforma .NET 4.5, me deparei com algo extremamente interessante: Multicore Just-in-Time (JIT). A teoria é muito simples: por que não utilizar vários núcleos para a compilação JIT? Além disto, será que seria possível compilar os métodos em uma determinada ordem, onde os primeiros fossem aqueles com maior probabilidade de execução? Isto parece meio loucura mas é o que o Multicore Just-in-Time (JIT) faz. E o melhor de tudo, de uma forma extremamente simples. As aplicações ASP.NET 4.5 já o fazem por default. Em outras ocasiões, basta executar duas linhas de código: uma indicando a pasta onde o arquivo que armazenará o profile ficará, e a outra para iniciar o procedimento. Este profile é o arquivo responsável por armazenar a ordem de compilação dos métodos, para que aqueles com maior chance de serem executados mais cedo sejam compilados antes. Código para este processo: ProfileOptimization.SetProfileRoot(@"C:\ProfileRoot"); ProfileOptimization.StartProfile("profile"); .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } Esta otimização na compilação só será notada após a criação do profile. Portanto, na primeira vez nada será percebido. Ao final do processo, um arquivo com o nome escolhido (no caso profile) será criado, na pasta indicada como root: Fica a dica! Abraços!

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  • I've had some free time at work during maintenance releases, but all I do is surf the Internet.

    - by hal10001
    I'm really having trouble with this, since it is the perfect opportunity to learn something new, begin a personal project... essentially do just about anything, but all I do is surf the Internet. I find that I don't want to look at anything programming related, and I'm seriously wondering if I'm letting boredom get the best of me, I'm depressed, or experiencing burnout? Any suggestions for how to go about taking back this unproductive time would be greatly appreciated.

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  • Découvrez les éditions de Visual Studio 2012 et leurs nouvelles fonctionnalités de design et de gestion du cycle de vie des applications

    Découvrez les éditions de Visual Studio 2012 ainsi que les fonctionnalités adaptées à vos besoins de la solution de gestion des projets logiciels Mise à jour du 24/09/2012 Visual Studio 2012 est disponible depuis le 12 septembre 2012. La solution propose une nouvelle génération d'outils de développement, de collaboration et de gestion du cycle de vie pour la conception des applications non seulement modernes et attrayantes, mais aussi accessibles n'importe où, n'importe quand, répondant aux attentes des clients. [IMG]http://rdonfack.developpez.com/images/vs20...

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  • How much does game development mathematics change over time?

    - by FlightOfGrey
    This question is mainly aimed at this book, Essential Mathematics for Games and Interactive Applications, Second Edition which I have seen highly recommended all around the internet, so I'm sure there are people on here who own a copy. What I want to know specifically is if any of the information would be out dated since the book was released on June 2, 2008? Also interested to see how the mathematics behind game development has changed over time.

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  • Employer admits that its developers are underpaid and undervalued. Time to part ways?

    - by Psionic
    My employer recently posted an opening for a C# Developer with 3-5 years of experience. The requirements and expectations for the position were fair, up until the criteria for salary determination. It was stated clearly that compensation would depend ONLY on experience with C#, and that years of programming experience with other languages & frameworks would be considered irrelevant and not factored in. I brought up my concern with HR that good candidates would see this as a red flag and steer away. I attempted to explain that software development is about much more than specific languages, and that paying someone for their experience in a single language is a very shortsighted approach to hiring good developers (I'm telling this to the HR dept of a software company). The response: "We are tired of wasting time interviewing developers who expect 'big salaries' because they have lots of additional programming experience in languages other than what we require." The #1 issue here is that 'big salaries' = Market Rate. After some serious discussion, they essentially admitted that nobody at the company is paid near market rate for their skills, and there's nothing that can be done about it. The C-suite has the mentality that employees should only be paid for skills proven over years under their watch. Entry-level developers are picked up for less than $38K and may reach 50K after 3 years, which I'm assuming is around what they plan on offering candidates for the C# position. Another interesting discovery (not as relevant) - people 'promoted' to higher responsibilities do not get raises. The 'promotion' is considered an adjustment of the individuals' roles to better suit their 'strengths', which is what they're already being paid for. After hearing these hard truths straight from HR, I would assume that most people who are looking out for themselves would quickly begin searching for a new employer that has a better idea of what they're doing in the industry (this company fails in many other ways, but I don't want to write a book). Here is my dilemma however: This is the first official software development position I've held, for barely 1 year now. My previous position of 3 years was with a very small company where I performed many duties, among them software development (not in my official job description, but I tried very hard to make it so). I've identified local openings that I'm currently qualified for, most paying at least 50% more than I'm getting now. Question is, is it too soon for a jump? I am getting valuable experience in my current position, with no shortage of exciting projects. The work environment is very comfortable, and I'm told by many that I'm in the spotlight of the C-level guys for the stuff that I've been able to accomplish during my short time (for what that's worth). However, there is a clear opportunity cost to staying, knowing now with certainty that I will have to wait 3-5 years only to be capped at what I could potentially be earning elsewhere this year. I am also aware that 'job hopper' is a dangerous label to have, regardless of the reasons.

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  • Game Design - When to separate out pieces into static libraries?

    - by Jason
    I am developing a game that has a lot of platform generic pieces. I am wanting to separate out various pieces into static libraries and I would like to know what other devs do. I am considering targeting other platforms and I want to maintain an much platform neutrality as I can. I have a lot of generic level data in C++ classes. THinking all of the level data could go into a single static library. I have a lot of generic OpenGL code that I think could also go into a single static library. I am already using CMAKE for some and XCode 4.5 for the Apple specific pieces. What do other devs do to stay platform neutral? Does anyone use Eclipse instead of XCode and Visual Studio on Windows?

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  • With a node.js powered server on EC2, how can I decrease the TCP connection time?

    - by talentedmrjones
    While profiling my application I've noticed that in the Firebug Net panel, the "Connecting" time—that is the time waiting for a TCP connection—is consistently around 70–100ms. See image below: Of course in the grand scheme of things, 100ms is not long, but I have seen other services that respond with 0ms Connect time. So if other servers can, I should be able to as well. Any thoughts on how I might even beging to troubleshoot this?

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  • How do you change the Time Zone in the Windows 8 Consumer Preview?

    - by Rowland Shaw
    It appears that installing Windows 8 on top of XP doesn't give you the option to choose the locale and other settings -- I've got the right keyboard layout restored, and can change the system locale to be for the UK, but there doesn't appear to be any way to change the time zone -- choosing the option to try and change the time zone gives error: Date and Time Unable to continue You do not have permission to perform this task. Please contact your computer administrator for help. [OK]

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  • Sortie de Joomla! 3.0.0, responsive design, installation simplifiée et nouveau module de statistiques

    Voilà qui est fait, six mois après la sortie de Joomla! 2.5 : la version 3. Tout d'abord, un mot sur le release cycle : la version 2.5 est une LTS (long term support), pas la 3.0. Cette dernière permet de casser pas mal de choses et ne sera donc pas supportée à long terme : il faudra attendre la 3.5 pour cela (au rythme d'une version mineure tous les six mois). La 2.5 sera supportée jusqu'à la sortie de la 3.5, au moins : il est toujours sûr de l'utiliser, elle sera toujours supportée? mais ne verra pas d'évolution technique. Avec la sortie de cette version 3.0, par contre, c'est le support de la vieillissante 1.5 qui est arrêté. La migration de la 2.5 vers la 3.0 devrait se passer sans heurts, sauf en cas d'utilisation intensive d'extensions (quelques modifications...

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  • For nodejs what are best design practices for native modules which share dependencies?

    - by Mark Essel
    Hypothetical situation, I have 3 node modules all native, A, B, and C.  A is a utilities module which exposes several functions to javascript through the node interface, in addition it declares/defines a rich set of native structures and functions B is a module which is dependent on data structures and source in A, it exposes some functions to javascript, in addition it declares/defines native structures and functions C is a module which is dependent on data structures and source in A & B, it exploses some functions to javascript, in addition it declares/defines native structures and functions So far when setting up these modules I have a preinstall script to install other dependent includes, but in order to access all of another modules source what is the best way to link to it's share library object (*.node) ? Is there an alternative best practice for native modules (such as installing all source from other modules before building that single module)? Reply

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  • What Java data structure/design pattern best models this object, considering it would perform these methods?

    - by zundarz
    Methods: 1. getDistance(CityA,CityB) // Returns distance between two cities 2. getCitiesInRadius(CityA,integer) // Returns cities within a given distance of another city 3. getCitiesBeyondRadius(CityA,integer) //Returns cities beyond a given distance of another city 4. getRemoteDestinations(integer) // Returns all city pairs greater than x distance of each other 5. getLocalDestinations(integer) //Returns all city pairs within x distance of each other

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  • How to do safely test Biztalk app by manipulating the Windows OS system time w/o breaking the Active Directory?

    - by melaos
    i have a biztalk - window service tied middleware application which talks to other system. recently we had a request to test for scenarios which relates to the date. as we have a lot of places in the application which uses the .net Datetime.Now value, we don't really want to go into the code level and change all these values. so we're looking at the simplest way to test which is to just change the OS time. but what we notice is that sometimes when we change the system date time, we will get account lock out due to Active Directory. So my question is what's a good and safe way that i can test for future dates, etc by changing the windows OS system date time but without causing any issues with the Active Directory. And where can i find out more about AD and how it issues token and what's the correlation with the system date time changes. Thanks! ~m

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  • How to design this procedural application into object oriented format?

    - by DavidL
    I'm building an application that basically pulls json data from a bunch of websites, processes it in some way and then writes it to a file. It is very easy to write this in a procedural way. I was wondering how this could be done in an object oriented way. Currently, the application looks something like this: res = get_json(link); process(res); write(res); Even if writing this in an object oriented way is not the best idea, tell me how it could be done because I have trouble with it.

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  • Common Network Administrator Tools

    - by No Time
    I would like to make a custom clump of Network Admin packages, to be able to carry on a thumb drive, to administer Debian based machines. Examples of what I would include so far: nmap traceroute vnstat zenmap * I know every situation may be different, but I would like to build a toolbox I could bring everywhere, and am looking for advice on other tools which would work. (If there is a similar question, I am fine being directed there)

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  • How should I design my website to allow posterity to edit?

    - by SSumner
    I'm building a website for a student organization I am involved in at my college. Most of the site will be static - i.e. won't change from year-to-year, but certain pieces will. I am high-tech, but most of the others aren't, and I am graduating in the spring. So how should I go about building the website so as to allow those that take over in subsequent years to edit information? Examples: Events: I already plan on using a Google calendar for this Officers: There will be profiles/pictures for all the officers on the web page Connections: Partnerships with other organizations that we have currently, but may not in future, or may add more in future Should I use some form of CMS (Content Management System)? If so, how restrictive are they (e.g. Drupal) to what you can build and then how easy is it to edit. What other ways could I make a very nice-looking website but allow certain pieces to be edited later?

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  • Why do I have to enter my password every time I activate / deactivate AirPort (WiFi) on my MacBook P

    - by Another Registered User
    I use Snow Leopard, and I'm used to activate / deactivate WiFi like 20 times per day. The reason is that WiFi stops working properly after a few minutes of use. So every time I try to surf, I must stop/reactivate it first. But now, suddenly I have to enter my user password every time I want to do it. It's so annoying! The dialogue details say: Right: com.apple.airport.power Program: SystemUIServer What can I do that the Mac won't ask me for the password every time? It's hard enough that I have to stop/reactivate WiFi all the time (hardware bug). I have a admin account with full rights.

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  • Should I design and then look for a CMS or vice versa? [closed]

    - by Livingston Storm
    I am currently designing an e-commerce site, and unfortunately my PHP is garbage at the moment so open source CMS's are out of the question. I am debating between Joomla and Big Commerce and as the title states I am unsure of whether to build first or try the CMS first to see what limitations I will face. I couldn't find any previous questions on this site, forgive me if this is a stupid/commonly asked question. Thanks for any feedback

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