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  • Linux AI robot baby dinosaur

    <b>Handle With Linux:</b> "Watch this: a Linux powered baby dinosaur, with a arm processor heart. The robot runs Live OS. An embedded, linux based operating system which features a custom programming language, giving the possibility to interact with the robot on the programming level"

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  • Pay in the future should make you think in the present

    - by BuckWoody
    Distributed Computing - and more importantly “-as-a-Service” models of computing have a different cost model. This is something that sounds obvious on the surface but it’s often forgotten during the design and coding phase of a project. In on-premises computing, we’re used to purchasing a server and all of the hardware infrastructure and software licenses needed not only for one project, but several. This is an up-front or “sunk” cost that we consume by running code the organization needs to perform its function. Using a direct connection over wires you’ve already paid for, we don’t often have to think about bandwidth, hits on the data store or the amount of compute we use - we just know more is better. In a pay-as-you-go model, however, each of these architecture decisions has a potential cost impact. The amount of data you store, the number of times you access it, and the amount you send back all come with a charge. The offset is that you don’t buy anything at all up-front, so that sunk cost is freed up. And financial professionals know that money now is worth more than money later. Saving that up-front cost allows you to invest it in other things. It’s not just that you’re using things that now cost money - it’s that the design itself in distributed computing has a cost impact. That can be a really good thing, such as when you dynamically add capacity for paying customers. If you can tie back the cost of a series of clicks to what a user will pay to do so, you can set a profit margin that is easy to track. Here’s a case in point: Assume you are using a large instance in Windows Azure to compute some data that you retrieve from a SQL Azure database. If you don’t monitor the path of the application, you may not know what you are really using. Since you’re paying by the size of the instance, it’s best to maximize it all the time. Recently I evaluated just this situation, and found that downsizing the instance and adding another one where needed, adding a caching function to the application, moving part of the data into Windows Azure tables not only increased the speed of the application, but reduced the cost and more closely tied the cost to the profit. The key is this: from the very outset - the design - make sure you include metrics to measure for the cost/performance (sometimes these are the same) for your application. Windows Azure opens up awesome new ways of doing things, so make sure you study distributed systems architecture before you try and force in the application design you have on premises into your new application structure.

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  • What is the best degree Computer Engineering or Software Engineering?

    - by Samourainite
    I'm interested in getting into the gaming industry, but i'm unsure as to whether which degree would help me the most. I also do not have any prior programming knowledge(apart from some basic html). So, do you guys have any opinion on which degree i should pick? please don't mention anything about game development or games programming degrees. You may also compare the 2 degrees with Computer Science degree.

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  • Writing Game Engine from scratch with OpenGL [on hold]

    - by Wazery
    I want to start writing my game engine from scratch for learning purpose, what is the prerequisites and how to do that, what programming languages and things you recommend me? Also if you have good articles and books on that it will be great. Thanks in advance! My Programming languages and tools are: C/C++ is it good to use only C? Python OpenGL Git GDB What I want to learn from it: Core Game Engine Rendering / Graphics Game Play/Rules Input (keyboard/mouse/controllers, etc) In Rendering/Graphics: 3D Shading Lighting Texturing

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  • Open source Projects which pays the developers?

    - by java_mouse
    Are there any Java open source projects that Pays the developers? I came across this from a book : Programming Interviews Exposed. Page #25 Are open-source projects preferable? The vast majority of programming jobs have usually involved proprietary, closed-source projects, which some programmers find objectionable. There’s been a small shift in favor of more open software development, which provides more opportunities for people like yourself to participate in open-source projects and still be paid for that participation.

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  • How employable am I as a programmer?

    - by dsimcha
    I'm currently a Ph.D. student in Biomedical Engineering with a concentration in computational biology and am starting to think about what I want to do after graduate school. I feel like I've accumulated a lot of programming skills while in grad school, but taken a very non-traditional path to learning all this stuff. I'm wondering whether I would have an easy time getting hired as a programmer and could fall back on that if I can't find a good job directly in my field, and if so whether I would qualify for a more prestigious position than "code monkey". Things I Have Going For Me Approximately 4 years of experience programming as part of my research. I believe I have a solid enough grasp of the fundamentals that I could pick up new languages and technologies pretty fast, and could demonstrate this in an interview. Good math and statistics skills. An extensive portfolio of open source work (and the knowledge that working on these projects implies): I wrote a statistics library in D, mostly from scratch. I wrote a parallelism library (parallel map, reduce, foreach, task parallelism, pipelining, etc.) that is currently in review for adoption by the D standard library. I wrote a 2D plotting library for D against the GTK Cairo backend. I currently use it for most of the figures I make for my research. I've contributed several major performance optimizations to the D garbage collector. (Most of these were low-hanging fruit, but it still shows my knowledge of low-level issues like memory management, pointers and bit twiddling.) I've contributed lots of miscellaneous bug fixes to the D standard library and could show the change logs to prove it. (This demonstrates my ability read other people's code.) Things I Have Going Against Me Most of my programming experience is in D and Python. I have very little to virtually no experience in the more established, "enterprise-y" languages like Java, C# and C++, though I have learned a decent amount about these languages from small, one-off projects and discussions about language design in the D community. In general I have absolutely no knowledge of "enterprise-y" technlogies. I've never used a framework before, possibly because most reusable code for scientific work and for D tends to call itself a "library" instead. I have virtually no formal computer science/software engineering training. Almost all of my knowledge comes from talking to programming geek friends, reading blogs, forums, StackOverflow, etc. I have zero professional experience with the official title of "developer", "software engineer", or something similar.

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  • Suggestions for Summer Intern Application Assignments

    - by orangepips
    As part of our application process we want prospective college interns to complete an assignment on their own - either programming or analytical - to give us something tangible to evaluate such as code or a flowchart. I have two ideas for these assignments, one programming and one analytical, I am interested in gathering feedback about these. Programming Assignment Generate an a month's calendar for a given date. The first row should indicate the days of the week (e.g. Sunday - Saturday). Each subsequent row should contain a week's days. The date supplied should be highlighted (e.g. bolded). I am thinking we'll probably proscribe the output format even more strictly - probably down to what the HTML source should look like including CSS classes. Thinking is this forces answerers to actually do some work if they merely copy a solution from the internet. Analytical Assignment Diagram or describe in prose a system for managing a set of traffic lights for traffic at a four way intersection. Each direction (i.e. North, South, East and West) has two lanes (i.e. right and left). The left lane is turn only and has green arrow light to indicate right of way. The system is able to detect if lanes have cars in them and change the lights accordingly. I would expect a flow chart or some prose describing a finite state machine that deals with each contingency. This would hopefully provide some indication of the applicant's ability to reason through a logic problem of sorts and articulate an approach for solving. Areas Seeking Feedback Is it unreasonable to ask this of applicants? If not, is it better to request before or after a phone screen? Are these questions too hard or easy for a collegiate audience? Any suggestions for alternate questions? Do these seem like good tools for analyzing people who would part of a software development life cycle? Programming language suggestions - I'm thinking Java, Python and/or C# (we're actually a ColdFusion shop).

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  • How to practice typing of programmer keys such as tilde, pipe and programmer quote?

    - by user7893
    It is nice that there are services such as TypeRacer where you can practice casual writing but I want to practice programmer keys, covers more numbers and keys not used by regular typist. There was some tutor with which I practiced some programmer keys and noticed that my speed dropped dramatically from 70-80 wpm to even about 15-30 wpm, it also trains different muscles. So how can I practice just programming keys with programming texts or just random code pieces?

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  • Is Ubuntu MAAS free? Will it remain like that?

    - by Bruno Pereira
    Ubuntu MAAS, very cool, awesome in fact, looks like a unique tool for several jobs. It looks free, but part of its documentation starts already with clauses that would scare anyone with interest in it: Documentation is copy righted by Canonical; Documentation must be used only for non-commercial purposes; If documentation is distributed within the non-commercial clause you must retain copyright; It just sounds a lot for a guide on how to install MAAS + Juju + Openstack and that scares me a bit. Under what license is Ubuntu MAAS distributed and what would be the reasoning for being so worried about copyrighting a guide like that so heavily? Is Ubuntu MAAS free? Will it continue like that?

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  • Why do I always think I know much less than others? [closed]

    - by John Kenedy
    I have been in programming since primary 6. Since the time DOS comes, I have been doing programming in quickbasic 4.5, then to VB 6, then to C#. In between I also do programming in C++. But every time I open Stack Overflow and trying to help others answering their problems, it seems that I know nothing. I feel that I am so stupid even I have been in programming for so long. I would shock reading all the questions and unable to find any clue. Is technology moving too fast that left out me? I feel that technology changes too fast and I can't keep up, when I know ASP.NET web form, MVC is out, when I know MVC, android/iphone/HTML5 app is popular. It seems that I am chasing something and never reach 'it'. I don't know whether this is correct place for me to talk about this. I just wish to listen to opinion like you, how do you think technology should grow instead of recreating language, adding bug here and there to let programmer figure it out, while big company share the solution among themselves. This is exactly how I feel. The simple example is how do you think why doesn't Dictionary<> in .NET provide iterating the object using index? Why must we use Key or GetEnumerator(). Developer has to google and read wasted hour of hour of time to find pieces of hack code to use reflection to achieve reading from index. Where developer will keep it as collection and valuable code. HOwever when times come, everything changes again, developer has to find answer for new silly problems again! Yes, I really hate it! I hate how many big companies are playing with the developer by cutting a big picture into small puzzle and messing it up and asking developer to place it together themselves. As if they are creating problems for us to solve it, so we are unable to grow upfront, we are being manipulated by those silly problems they have created. Another sample would how difficult to collect Cookies from CookieContainer without passing the URL, yes without the URL and I WANT to get all cookie in the cookiecontainer without knowing the URL, I want to iterate all. Why does micros0ft have to limit me from doing that?

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  • Pros and Cons of various career paths [closed]

    - by Snitse
    What are the advantages and disadvantages of various career paths within CS? By a path I mean something like: Web Development GUI Development Sys admin/DB admin/network admin Security (maybe should be grouped with sys admin) Programming back end (like a C programmer) Algorithm Development heavy programming And any other you think should be in this list. What are the various areas in which each of these professions excels, or lags?

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  • Reasons to Use Version Control [closed]

    - by Solomon Wise
    Possible Duplicate: I'm a Subversion geek, why I should consider or not consider Mercurial or Git or any other DVCS? What is the value of using version control? I am a relative noob to programming, and am not going to be developing super-good software or even programming professionally anytime soon. With this predicament, is there really any reason to learn git or subversion or any other version control systems?

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  • Good starting platform for a teenage games programmer

    - by gkrogers
    My son (15) has decided that he wants to pursue a career as a games programmer. I've said that he should get started now with a simple game. He has no programming experience yet, but I am a programmer (business apps, not games) so I can teach him programming, but what would be a good platform for him to start on? Initially I'm looking for something that can provide quick results, to keep his enthusiasm up. What would you suggest?

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  • Where to after a year of java? [closed]

    - by avatarX
    I've just finished a my first year of programming Java at varsity and I have a three month break. In terms of my development would it be better to: Cover Java in more depth to acquire a more intermediate level of ability Learn a new programming language (if so which) to a similar level as my current Java ability Spend timing learning introductory discrete maths, algorithms and data structures I'm also open to any other possibilities that would be beneficial but that could be covered in about 3 months.

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  • Android/Java learning resources for an experienced Objective C programmer?

    - by hotpaw2
    What resources are available for an experienced Objective C programmer to quickly and efficiently learn and get up to speed with Java, the Android SDK API's and Eclipse IDE? There seems to be at least one book and several web sites for experienced Java programmers who want to learn native Objective C programming, iOS UIKit and Xcode, but who don't want to waste time with a lot of basic programming concepts that an experienced Java programmer usually already knows. What are the available advanced educational materials for the inverse direction?

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  • Is There A Need For End-To-End ExtJS to Microsoft Server (MVC-C#, LOB) 4 Day Class? (Poll Enclosed)

    Over the past couple years, the focus of the web development Ive been doing involves building highly flexible, highly scalable and straight forward web sites to implement and maintain Line of... 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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  • Resources for Game Development in iPhone for beginners [closed]

    - by Volatil3
    Possible Duplicate: What are the best iPhone game development resources? Hi I'm a programmer but I have never worked on Game programming so have no idea about OpenGL and all that. I am more interested to get into physics based games like Angry Birds and want to implement fewer ideas. Can you recommend me some good books which not only teach the concept of game programming but also practical implementation in iPhone platform? Thanks in advance

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  • Basic memcached question

    - by Aadith
    I have been reading up on distributed hashing. I learnt that consistent hashing is used for distributing the keys among cache machines. I also learnt that, a key is duplicated on mutiple caches to handle failure of cache hosts. But what I have come across on memcached doesn't seem to be in alignment with all this. I read that all cache nodes are independent of each other and that if a cache goes down, requests go to DB. Theres no mention of cache miss on a host resulting in the host directing the request to another host which could either be holding the key or is nearer to the key. Can you please tell me how these two fit together? Is memcached a very preliminary form of distributed hashing which doesnt have much sophistication?

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  • Hadoop:Only master node does the work

    - by user287722
    I've setup a Hadoop 2.2 cluster with 1 master node(namenode and secondary namenode) and 3 slave nodes(datanode and namenode on each one).All of the machines use Linux Mint 64bit. When I run my MapReduce program, writen in Java, I can only see that master node is using extra CPU and RAM. Slave nodes are not doing a thing. I've checked the logs from all of the namenodes and there is nothing wrong with the namenodes on slave nodes. Resource Manager is running and all of the slave nodes can see the Resource Manager. I used this http://n0where.net/hadoop-2-2-multi-node-cluster-setup/ tutorial to configure my nodes. Datanodes are working in terms of distributed data storing but I can't see any indication of distributed data processing. Do I have to configure the xml configuration files in some other way so all of the machines will process data while I'm running my MapReduce Job?

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  • Employer purchased a Macbook for me, as a programmer what do I need to do to get my environment setup?

    - by Chris
    I come from growing up on dos/windows and the more I got into programming and development the more I invested time/effort into linux distributions. I had a choice between an IBM and a Macbook. I went with the Macbook to get some experience but I am not really sure where to start? I find myself wanting to install virtualbox and boot up linux. Any advice for a new Mac user who wants to get back up to speed with programming efficiently?

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  • JSR Updates

    - by heathervc
    JSR 349, Bean Validation 1.1, has published a Public Review. The review closes on 12 November. JSR 331, Constraint Programming API, has published a Maintenance Release. JSR 335, Lambda Expressions for the Java Programming Language, has moved to JCP 2.8!  Check out their java.net project. JSR 107, JCACHE - Java Temporary Caching API, has posted their Early Draft Release.  The review closes on 22 November.

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  • Why do we write the action to be performed by a function in jQuery inside the parentheses?

    - by ikartik90
    Generally whenever we're programming in any Programming language, say C, we would pass the parameters we need to pass to a function using the parentheses next to the name of the function. Whereas in jQuery, other than the user defined function() we write the action we need the function to perform inside the parentheses, for example, $('div').mouseenter(function(){ /* blah blah blah*/ }); Why?

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  • .NET Developer Basics – Recursive Algorithms

    Recursion can be a powerful programming technique when used wisely. Some data structures such as tree structures lend themselves far more easily to manipulation by recursive techniques. As it is also a classic Computer Science problem, it is often used in technical interviews to probe a candidate's grounding in basic programming techniques. Whatever the reason, it is well worth brushing up one's understanding with Damon's introduction to Recursion.

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  • Is it difficult to get a job at Microsoft?

    - by Maxtor
    I'm curious how difficult it really is to get a job working for Microsoft. Is Microsoft similar to Google in a sense that they hire people who are really good at programming? Also, does participating in communities such as the forums at Microsoft help (if at all) you with getting selected for an interview ? How about being a MVP in something like C# and/or .NET? Edit: This question refers only to programming jobs.

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