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  • Credit Card Payment Processing which APIs do you use?

    - by user3330840
    It's for a Point of Sale Terminal where the customer will bring the physical credit card and it will be swiped through the terminal. The business has a merchant account on some banks. So, how do I start accepting credit cards in my app? The credit cards that needs to be accepted include: visa, master-card, amex, discover. Which APIs do I need to use? The programming language doesn't matter it can be in any programming languages Java/C#/C++/Python or anything. Will there be a single API or multiple APIs that need to be integrated? (I know some about PCI compliance and security encryption)

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  • Learning to program on punchcards

    - by Plutor
    I'd like to try programming with punch cards once in my life. How can I do this? I'm in my 30s, and grew up entirely in the PC era, programming on computers with screens and keyboards. I want to experience the way my father and grandfather used to work. I imagine the hardware (and probably the cards themselves) are no longer manufactured. Are there any universities or museums with functioning punch card readers anymore? I'm in Boston, but I'm willing to travel to do this. I asked MetaFilter, and I got some mixed answers (along with a lot of "no, don't do this" nay-saying). I did get a pointer to the Retro-Computing Society Of Rhode Island, but I haven't received a response to my email to them yet.

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  • Fresh install of 12.04 Kernel panic

    - by user70260
    I am attempting to install Ubuntu 12.04 on my computer. After the Ubuntu splash screen, the computer throws up this error: sr 2:0:1:0: [sr0] Unhandled error code Kernel panic - not syncing: Attempted to kill init! PID: 1, comm: run-init Not Tainted 3.2.0-23-generic #36-Ubuntu The computer hardware is as follows: Core 2 quad 9400, 8gb RAM, GTX 275, 3 Mech HD, 2 SSD, Win 7 install. I would like to dual boot Ubuntu on this computer if possible. I did try placing this disk in my laptop and booted successfully which leads me to believe the fault lies with the desktop. Under windows all hardware seems to work ok. Any ideas?

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  • Is it normal to sometimes take a while to get even basic things working in software development?

    - by user1092719
    This is a little hard to explain because it's a really generic question, but bear with me... I find that when I am doing or recreating basic things from scratch (i.e. without the help of libraries), sometimes it feels as though I'm taking much more time to do the task than is actually needed. I am not new to programming or development & design concepts and have worked extensively with around 9 languages and various platforms and paradigms over 5/6 years. Although I don't yet have any academic qualification for programming and have learned almost exclusively from the Internet, I have been told that the quality of my code is excellent by those with qualifications. So, I don't think I'm a bad programmer because I really love doing it and working with software architecture, but maybe I'm slow? Or is it normal to take sometimes longer than it seems necessary to do basic tasks?

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  • 1 year to learn as much as possile - How would you plan this time?

    - by user1189880
    I have been messing around with web development and programming in general for a couple of years now, working in web development agencies and the like. I have now decided that I want to move to more general programming and do this permanently and as a career and have set myself a goal of 1 year to learn as much as I can before I go out and find a 'proper' job as a programmer. Do any programmers out there have any opinions on how this time should be split and what the most important things to focus on will be over the year. The languages I will be focusing my learning on are: c, php, python and go - all of which i have varying degrees of familiarity with. The ultimate goal here is to gain as good as foundation as possible and to be of a good enough level to interview successfully for a decent company.

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  • How to bridge the gap between university and job requirements

    - by user1762636
    I study physics and computer science and both studies include minor programming tasks whereas larger tasks are only (potentially) a part of larger projects like for your thesis. When I look at job postings for scientific jobs e.g. in the area of HPC they usually ask for "extensive programming skills in C/C++ and HPC" or the like. This is what I would like to achieve, but frankly I don't know how. I don't mean to mourn, but you can imagine that studying physics/CS means having a busy schedule so I couldn't even work part time as a research assistant to get practice without negative influence on my grades. The second problem is that I lack ideas on what to code in my spare time. I would like to do something useful but even for open source projects you apparently need a whole lot of time and depending on the type of software a lot of experience to be useful. I would be grateful for any advice you can give me.

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  • Monitor aspect ratio; Does the difference matter?

    - by Craige
    So, I'm looking ordering myself a new development desktop soon and setting up a PROPER office environment by the end of this year. To boost productivity, I'm going to purchase three new monitors. I find that two just isn't enough when I'm debugging or doing something intensive. That said, I had something pointed out to me the other day that I never really noticed nor cared about before - is the difference between a 16:10 and a 16:9 monitor noticeable when programming? Do you really miss those few extra lines, or is it something that you don't notice at all. I notice HP only seems to sell 16:9 monitors (as far as I have found). Is this becoming something of a new standard with the recent growth and cleaver marketing of of "HD 16:9"? To summarize: Has anybody made the switch from 16:10 to 16:9 (or vise-versa) and actually noticed the difference while programming?

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  • Is there ongoing work in the kernel team to improve battery life under linux?

    - by leousa
    I have read in some forums that the kernel team is working on improving battery life and energy efficiency in linux. Unfortunately our community really lags behind windows and mac in that regard. I would like to read about the reasons why this difference exists with other platforms. Is it purely due to closed hardware specs from vendors or does it has to be with kernel design issues? Apple devices with unix cores have amazing battery times, but they also design their own hardware...just want to understand this issues in a less technical way I know that recent kernel updates in Ubuntu have improved the battery life in most computers, but I was wondering if there is still development going on and where can I read more about it. Thanks in advance

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  • Using Visual Studio 2010s Debugger PIN Feature

    One of the very cool new features in Visual Studio 2010 is the ability to Pin a variable you are watching, right in the place you want to see it.  Its always been a hassle to have to add a... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Are there any actual examples of profitable programmer's "worker's cooperatives"?

    - by Wannabe Tycoon
    http://en.wikipedia.org/wiki/Worker_cooperative I'm curious whether there are, anywhere in the world, worker's cooperatives that center on a technology business that involves either programming, IT, or some sort of IT or programming related consulting or services. The wikipedia link above is an overview of the concept. The short form explanation is that a co-op is a worker-owned business. Also there is the notion that every worker owns shares in the business. I am interested in knowing whether an example of a "programmer's/IT co-op" even exists. Note: I am not talking about nor asking about a government-funded incubator nor any other socialized, state supported group. I also don't mean "co-working", which is renting an office with other self employed people doing their own thing. I mean a going, profitable IT business operating in a competitive environment that is worker-owned and run.

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  • Interface design where functions need to be called in a specific sequence

    - by Vorac
    The task is to configure a piece of hardware within the device, according to some input specification. This should be achieved as follows: 1) Collect the configuration information. This can happen at different times and places. For example, module A and module B can both request (at different times) some resources from my module. Those 'resources' are actually what the configuration is. 2) After it is clear that no more requests are going to be realized, a startup command, giving a summary of the requested resources, needs to be sent to the hardware. 3) Only after that, can (and must) detailed configuration of said resources be done. 4) Also, only after 2), can (and must) routing of selected resources to the declared callers be done. A common cause for bugs, even for me, who wrote the thing, is mistaking this order. What naming conventions, designs or mechanisms can I employ to make the interface usable by someone who sees the code for the first time?

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  • My Habitat For Humanity Day Before TechEd 2010 in New Orleans

    Yesterday, I spent the day building what I think are stantions (piles of blocks held together by mortar) to hold a house 5 feet above the ground.  Through twitter, I saw a bunch of people from... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Amis Oracle OpenWorld Summary presentations

    - by JuergenKress
    AMIS Oracle OpenWorld 2013 Review Part 1 - Intro Overview Innovation, Hardware osvm, IAAS database. Watch the presentation here: AMIS Oracle OpenWorld 2013 Review Part 1 - Intro Overview Innovation, Hardware osvm, IAAS database AMIS Oracle OpenWorld 2013 Review Part 2 - Platform Middleware Publication AMIS Oracle OpenWorld 2013 Review Part 3 - Fusion Middleware WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Amis,OOW,Oracle OpenWorld,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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  • Algorithm for Learning development

    - by user9057
    This is a fairly general question. I know a bit of Perl and Python and I am looking to learn programming in more depth so that once I get the hang of it I can start developing applications and then websites. I would like to know of an algorithm (sequence of steps :)) that could describe my approach towards learning programming in general. I have posted small questions on Perl/Python and I have recieved great help from everyone. Note:- I am not in a hurry to learn. I know it takes time and that's fine. Please give any suggestions you think are valid. Also, please don't push me to learn Lisp, Haskell etc - I am a beginner.

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  • PHP or C++? I just want to choose a language and focus on it!

    - by user19177
    I love C++, but I feel I don't know if I should focus on web, so PHP, or C++. It's just an hard choice because right now I want to focus on one language and don't want to switch it a few months later. With C++ I'd program in SDL, while with PHP I don't know yet. I am not a very advanced programmer but I know basics of programming and can get going very well if determined. The problem is I just don't know.. I'm like OK! I'll go for C++! Then a minute later, wait what if I went with C#? Why this that.. ! I've read milion threads about C vs VB C# Python Ruby etc, all of them which I could find! It got me nowhere. The problem is probably I need to know something from some experts I guess.. I'm sure I'm not the only one who feels/felt like I do right now yeah? Uhm... I guess I might help you with some details so your answer may be easier to write! ( And also, if you want to say something else which is not related to PHP or C++, you can do that, I've just got to the conclusion that C++ and PHP are the ones that are worth it but yeah. C# I've discarded due to some stuff I read which says in future the projects I'd start now could just be useless and stuff like that.. ) Ok well : I'm 18 years old, and I program as hobby right now, but I do hope to go to a programming college in future. ( That would be in 2 years ). Hmm, I like programming games, and I'm mostly bothered by the fact "this language could be useless to what I need to do" ( I don't know how to explain this feeling! ) I don't know which other details I could add... I hope you guys can help me choose my path, this is really stressing me I'm wasting my time not doing anything right now because I don't know which language to use..! Thanks!

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  • Looking to create a website ... need assistance on what technologies to use!

    - by rsala004
    First off, My group and I don't have any experience with databases or anything of that sort, only programming (not web-programming), so this post is just me wondering what things I should start researching and possibly some referral to a hosting company. The abstract idea is to have a list of things, each categorized, and each item with user-submitted reviews (made by users who are signed up with the website). Would absolutely everything be stored on a SQL database? (the long text reviews for example) Does anyone have any suggestions on some 'web frameworks' we could use to jumpstart us? What should our absolute first step be? (I was thinking about first designing the basic database? so we have something to work around...?) Should we worry about which host we choose right now, any recommendations? (would it be a trivial task to switch hosts in the future?) Thanks again, any help is appreciated!

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