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  • Actor library / framework for C++

    - by Giorgio
    In the C++ project I am working for we would like to use something like Scala actors and remote actors (see e.g. this tutorial). Being able to use remote actors (actors living in different processes, possibly on different machines and communicating via TCP/IP) has higher priority for us because we have an application consisting of several processes deployed on different machines. Being able to use several actors living in the same process (possibly different threads) is also interesting, but has lower priority for the moment. On wikipedia I have found some links to actor libraries for C++ and I have started to look at Theron. Before I dive too deep into the details and build an extended example with Theron, I wanted to ask if anybody has experience with any of these libraries and which one they would recommend.

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  • How to review the current state of open source vs. closed source graphics drivers?

    - by Bucic
    How to know whether it's worth it to replace open source drivers installed by default with proprietary ones. Are there any benchmarks? Major known issues summaries. I don't mean 'at the time of writing this post'. I mean an up-to-date status on how the drivers compare. This page https://help.ubuntu.com/community/BinaryDriverHowto/ certainly doesn't do much on the matter, nor it even mentions Intel. EDIT: I've just learned there is no Intel proprietary driver because they made their drivers open source http://askubuntu.com/a/17395/29347

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  • BlissControl Is a Settings Management Dashboard for Popular Social Networks

    - by Jason Fitzpatrick
    BlissControl is a simple web app that organizes the different settings menus of over a dozen social networks and services into a streamlined dashboard to help you change your profile pic, privacy settings, and more. Much like previously reviewed NotificationControl and MyPermissions (which help you check and set email notifications and app permissions, respectively), BlissControl also takes the very convoluted menus of web-apps and social media sites and makes them super easy to navigate. You can easily click right through the page you need on Facebook, Flickr, Twitter, and more–you’ll no longer need to visit each service and click through a maze of menus to get to the right place to change your password or swap your profile pic. BlissControl is simply a dashboard that directs you to the appropriate page within the service you already use–you never share your login credentials with BlissControl. Hit up the link below to take it for a spin. BlissControl [via AddictiveTips] How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows? Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS

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  • Problems connecting to eduroam wifi - ubuntu touch

    - by Fiona Cox
    I am trying to connect to our university's eduroam wi-fi network with my Nexus 4 running Ubuntu touch (utopic latest build), but can't get past the first stage. I wonder if anyone can help please? I am following these instructions (which worked for my iPhone): http://www.st-andrews.ac.uk/itsupport/mobile/eduroam/ But when I go to the bandit.st-andrews.ac.uk/connect page then follow the link to 'eduroam setup' I get the error message: Authorization Required This server could not verify that you are authorised to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required. Apache/2.2.16 (Debian) Server at bandit.st-andrews.ac.uk Port 443 (Clearly it's the latter option (browser) as I haven't been asked for my credentials yet.) Is there a way round this, or am I just not going to be able to connect until further down the Ubuntu touch development road... Thanks!

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  • Ubuntu 12.04 LTS x86_64 sound artifacts when scrolling with firefox

    - by Nh3xus
    I've been using Ubuntu since the 10.04 LTS version and i have a sound problem that still remain in my fresh install of the 12.04 LTS AMD64 version. This install has been performed by formatting the / partition and my documents were kept safe in the separated /home partition. The problem : When i listen to a audio or video source while browsing the web with Firefox, I have some sound artifacts when i'm scrolling and stops when i'm not doing it. This happens when i'm doing X11 related actions too, such as switching between virtuals desktops. Computer configuration of my laptop : - Ubuntu 12.04 LTS AMD64 - Plantronic USB Headphones - Intel HDA Audio sound card (laptop) with SigmaTel STAC9200 chip - AlsaMixer v 1.0.25 - Nvidia GeForce 7950 GTX with Nvidia 295.40 driver Any advices are welcome here :) Note : This is my first post on AskUbuntu.

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  • Today in the OTN Lounge (Sunday September 30, 2012)

    - by Bob Rhubart
    Here's a quick rundown of today's activities in the OTN Lounge: (OTN Lounge hours today: 7:00 pm - 8:30 pm) 7:00 pm - 8:30 pm Oracle Social Network Developer Challenge Kick-off Want to learn more about Oracle Social Network? Love working with APIs? Enter the Oracle Social Network Developer Challenge and build your dream integration with Oracle's secure, purposeful social network for business. Demonstrate your skills, work with the latest and greatest and compete for $500 in Amazon gift cards. Click here for more information. The OTN Lounge is located in the Howard St. Tent, between 3rd and 4th, directly between Moscone North and Moscone South. Access to the OTN Lounge requires an Oracle OpenWorld or JavaOne conference badge.

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  • General Session: Building and Managing a Private Oracle Java and Middleware Cloud

    - by Ruma Sanyal
    If you are developing, managing, or planning enterprise Java and business application deployments on Oracle WebLogic Server with Oracle Coherence or Oracle GlassFish Server applications or continue to have deployments of Oracle Application Server, this session will give you the roadmap of how Oracle is evolving this infrastructure to be the next-generation application foundation for its customers to build on in a private cloud setting. In the session, Ajay Patel, VP of Product Management, and the product management team shares Oracle's vision, product plans, and roadmap for this server infrastructure and how it will be used in the rapidly maturing cloud infrastructure space. The presentation will help you make key decisions about running your enterprise applications on Oracle's enterprise Java server foundation. For more information about this and other Cloud Application Foundation sessions, review the Cloud Application Foundation Focus On document. Details: Monday, 10/1; 4.45-5.45pm; Moscone West Room 3014

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  • Directory paths for resources and assets

    - by The Communist Duck
    If I have a file stucture for my final, released game something like: Main folder Media Images Other assets Sounds Executable List item And a different one for my 'in development' project, with the same Media folder but: Main Source and .obj, etc. Media with everything Bin folder with executable I obviously cannot hardcode file pathnames into this, like: "../Media/Image/evilguy.png" or "Media/Image/foo.jpg" because they wouldn't work with one of the builds and would require a lot of switching names. Instead, does it make sense for my resource manager, that loads everything, to have some kind of prefix path? Then, I can just do Get("foo.jpg") or Get("Sounds/boom.ogg") And simply switch out, for the final release, the ctr argument from the relative path for the development build to the release layout? If not, how have other people sorted these sorts of things out?

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  • Business person turned into coder? How and why? Inspire the non-technical.

    - by huisjames
    I graduated with a Business degree. Two years later, I finally realized the power of programming - the power to "invent." I wish I realized this in high school. Nevertheless, I tried to self-teach C# but found it difficult. Then I pivoted to learn PHP two months ago and I have been able to build things I thought was beyond my abilities. Has anyone had the same experience? Or self-taught programming? What lessons did you learn?

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  • Are there serious companies that don't use version-control and continuous integration? Why?

    - by daramarak
    A colleague of mine was under the impression that our software department was highly advanced, as we used both a build server with continuous integration, and version control software. This did not match my point of view, as I only know of one company I which made serious software and didn't have either. However, my experience is limited to only a handful of companies. Does anyone know of any real company (larger than 3 programmers), which is in the software business and doesn't use these tools? If such a company exists, are there any good reason for them not doing so?

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  • Gradle in NetBeans IDE 7.3 Beta

    - by Geertjan
    Installed Attila Kelemen's Gradle plugin in NetBeans IDE 7.3 Beta today: http://plugins.netbeans.org/plugin/44510/gradle-support Not only can existing Gradle projects now be opened, i.e., any folder with a build.gradle file: ...but single Gradle projects as well as multi module Gradle projects can be created: What you see below is the result of using the "Gradle Root Project" template once, followed by the "Gradle Subproject" twice within the folder where the root project was created: Pretty cool stuff. Where's the documentation for the plugin? Here: https://github.com/kelemen/netbeans-gradle-project Read it, some handy tips and tricks are provided there.

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  • EclipseLink 2.4 Released: RESTful Persistence, Tenant Isolation, NoSQL, and JSON

    - by arungupta
    EclipseLink 2.4 is released as part of Eclipse Juno release train. In addition to providing the Reference Implementation for JPA 2.0, the key features in the release are: RESTful Persistence - Expose Java Persistence units over REST using either JSON or XML Tenant Isolation - Manage entities for multiple tenants in the same application NoSQL - NoSQL support for MongoDB and Oracle NoSQL JSON - Marshaling and unmarshaling of JSON object Here is the complete list of bugs fixed in this release. The landing page provide the complete list of documentation and examples. Read Doug Clarke's blog for a color commentary as well. This release is already integrated in the latest GlassFish 4.0 promoted build. Try the functionality and give us feedback at GlassFish Forum or EclipseLink Forum.

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  • 5 Things SQL Server should get rid of

    - by Jonathan Kehayias
    Paul Randal ( blog | twitter ) started a new meme last night with his blog post " What 5 things should SQL Server get rid of? " A few bloggers have posted their top 5 lists, so here is mine. Creating Foreign Keys without mentioning Indexes This is probably a performance tuning consultants favorite.  I know that Greg Low has blogged about this in the past (see Indexing Foreign Keys - should SQL Server do that automatically? ) and back then, and now I still do think this should be an...(read more)

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  • How come verification does not include actual testing?

    - by user970696
    Having read a lot about this topic, I still did not get it. Verification should prove that you are building the product right, while validation you build the right product. But only static techniques are mentioned as being verification methods (code reviews, requirements checks...). But how can you say if its implemented correctly if you do not test it? It is said that verification checks e.g. code for its correctnes. Verification - ensure that the product meet specified requirements. Again, if the function is specified to work somehow, only by testing I can say that it does. Could anyone explain this to me please? EDIT: As Wiki says: Verification:Preparing of the test cases (based on the analysis of the requireemnts) Validation: Running of the test cases

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  • What do you use to bundle / encrypt data?

    - by David McGraw
    More and more games are going the data driven route which means that there needs to be a layer of security around easy manipulation. I've seen it where games completely bundle up their assets (audio, art, data) and I'm wondering how they are managing that? Are there applications / libraries that will bundle and assist you with managing the assets within? If not is there any good resources that you would point to for packing / unpacking / encryption? This specific question revolves around C++, but I would be open to hear how this is managed in C#/XNA as well. Just to be clear -- I'm not out to engineer a solution to prevent hacking. At the fundamental level we're all manipulating 0's and 1's. But, we do want to keep the 99% of people that play the game from simply modifying XML files that are used to build the game world. I've seen plenty of games bundle all of their resources together. I'm simply curious about the methods they're using.

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  • Slides for Parallel Debugging windows

    Recently I gave a talk at our Microsoft Shanghai offices on Parallel Programming so I had to update my existing Beta1 deck to Beta2 content. Specifically for Parallel Tasks and Parallel Stacks, I used 5 slides to accompany the demo.In case you are giving talks on parallelism within Visual Studio 2010, please feel free to download and use the updated parallel debugger slides (pptx).TIP: The slides have animations so be sure to F5 the deck for the full benefit and they also have text in the Comments section so be sure to see them at design time too. Comments about this post welcome at the original blog.

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  • How should I design a wizard for generating requirements and documentation

    - by user1777663
    I'm currently working in an industry where extensive documentation is required, but the apps I'm writing are all pretty much cookie cutter at a high level. What I'd like to do is build an app that asks a series of questions regarding business rules and marketing requirements to generate a requirements spec. For example, there might be a question set that asks "Does the user need to enter their age?" and a follow-up question of "What is the minimum age requirement?" If the inputs are "yes" and "18", then this app will generate requirements that look something like this: "The registration form shall include an age selector" "The registration form shall throw an error if the selected age is less than 18" Later on down the line, I'd like to extend this to do additional things like generate test cases and even code, but the idea is the same: generate some output based on rules determined by answering a set of questions. Are there any patterns I could research to better design the architecture of such an application? Is this something that I should be modeling as a finite state machine?

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  • OUYA and Unity set up problems

    - by Atkobeau
    I'm having trouble with the Unity / OUYA plugin. I'm using Unity 4 with the latest update on a Windows 7 machine. When I open the starter kit and try to compile the plugin I get the following error: Picked up _JAVA_OPTIONS: -Xmx512M And if I try to Build and Run I get this error: Error building Player: ArgumentException: Illegal characters in path. I'm stumped, I've gone through lots of forum posts here and on stackoverflow and I can't seem to resolve it. My environment variables look like this: PATH - C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\tools; C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\platform-tools\ JAVA_HOME - C:\Program Files (x86)\Java\jdk1.6.0_45\ Everything in the OUYA Panel is white Any ideas?

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  • Open source ASP.NET MVC project for a SaaS application

    - by DotnetDude
    I am working on a personal project that offers a service online. I'd like put this out to the public. I don't want to reinvent the wheel and use an existing template/open source project and add my service specific functionality. The features I am looking for are: Support for different roles (I need to have an admin role, customer and preferred customer roles) An admin section where admins can manage user accounts, login as with users credentials for providing support Customer pages that are role specific (Ex: Some functionality can be used by preferred customers but not non preferred ones) Preferably a pricing/plans page with payment gateway integration These are some of the basic pages available in most of service sites online. Is there a MVC 3 (preferably 4) written in C# that I can use as a shell to build upon? Thanks

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  • How to block FeedReader from fetching my content to their site?

    - by Wei Kai
    As you all can see from the picture below, my site's content is duplicated by FeedReader and indexed at Google. When I clicked at the FeedReader link, it uses some sort of iFrame to draw content from my site live. This forms some sort of content duplication to me, and I believe it does harm to my site. (Stackoverflow doesn't allow me to post image due to new account, pls click at the link above to see the picture, million thanks to you.) What can I do to prevent Feedreader to fetch my content to their site? I know robots.txt can perform such function, but I don't know how to do it. Any help would be much appreciated. I have also highlighted this issue to FeedReader 2 days ago, but yet to get any reply from them.

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  • Do we set the bar too high by requiring that code tests not suffer from buffer overflow?

    - by brice
    We are currently recruiting for a Junior Developer position working mainly in C on Linux. As part of the process, we require candidates to complete a code test at their leisure in C. So far we have rejected two candidates on the basis that their code, although readable and in one case rather idiomatic, suffered from buffer overflow errors due to unbounded buffer writes. Are buffer overflows acceptable from a graduate developer? Are we setting the bar too high? What is the expected capability of graduate/Junior engineers? [Edit]: We explicitly ask for error-checked, production quality code. We provide a test & build framework for the candidates

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  • Impact of changing from PHP to Java after 1 year or 6 months

    - by user62909
    I'm MCA final year student and I have very poor school record and had 2 years of gap. I'm first class with distinction in graduation and in post graduation is first class.Companies are coming for campus recruitment.I have very less companies like 4 or 5 who don't impose any criteria. there is a company who work on PHP and i have cleared its aptitude test and technical only HR remaining. I'm actually interested in Java and have knowledge about it but company work on PHP.I was fretting about If i work on PHP for 6 or 1 year can I change later to Java ? because i will also have experience of 6 or 12 months ? Will be considered an experienced employee if I apply for java developer later ? Will manager think that I worked in PHP and not allowed for Java ? Will I have to pursue java OCJP certification so i can get job even after 1 year experience of PHP ? Only 8 days are remaining for Hr round so please need help

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  • Changing internal home network ip address for connected devices

    - by oshirowanen
    I have a few computers at home. For each of the computers, I can see the internal home network ip address on any given device by typing in ifconfig in the terminal. If the device is connected to the home network via ethernet connection or via the built-in wireless connections in laptops, the internal ip address for each of the devices seems to be 192.168.0.X. However, when I connect one of the devices using an external usb modem wireless adapter, which connects to the home network through wireless, when I check the ip address via ifconfig, for some reason it gets assigned 192.168.42.X instead. Why are the ethernet and build in wireless connections getting 192.168.0.X, but the external usb wireless adapter gets 192.168.42.X? Most importantly, is it possible to force it to get an internal ip address of 192.168.0.X?

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  • My Oracle Support Accreditation for E-Business Suite

    - by ChristineS-Oracle
    The My Oracle Support Accreditation Series delivers a targeted learning experience that is designed to increase your expertise with My Oracle Support core functions and build skills to help you leverage Oracle product solutions, tools, and knowledge. The accreditation framework for Oracle E-Business Suite is targeted to customers and partners who actively use My Oracle Support and Oracle E-Business Suite. The content is focused on building skills around best practices, recommendations, and tool enablement – taking your expertise with Oracle E-Business Suite to the next level. The Oracle E-Business Suite course covers:•    Staying informed •    Period Close•    Patching•    Certifications •    Upgrade Advisor•    Reporting  Visit the My Oracle Support Accreditation Index and get started with the Level 1 My Oracle Support Accreditation path and the Level 2 Oracle E-Business Suite learning path today.

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  • What types of programming require practical category theory?

    - by Alexander Gruber
    Category theory has applications in theoretical computer science and obviously is central to abstract mathematics. I have heard that it also has direct practical applications in programming and software development. What type of programming is practical category theory necessary for? What do programmers use category theory to accomplish? Please note my use of "necessary" and "require" in this post. I realize that in some sense most programmers will benefit from having experience in different types of theories, but I am looking for direct applications where the usage of category theory is essential, i.e. if you didn't know category theory, you probably couldn't do it. Also, I'd like to clarify that by "what type of programming," I am hoping less for a broad answer like "functional programming," and more for specific applications like "writing bank software" or "making operating systems."

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