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• Package version updates policy

  - by Sandman4

  Not sure if here it's the right place to ask, if not - please point me to the right direction. Let's say there's a package, for the sake of real-world example - bind9. In Precise and in Quantal it's version 9.8.1. The original developer (ISC) currently provide versions 9.8.4 which is a bugfix release in the 9.8 line, and 9.9.2 which is a "new features" branch. It looks like when a security issue is encountered, the specific bugfix is backported into 9.8.1. Now the question: Why maintainers don't just update to the latest bugfix release ? Why to backport only certain patches ? Is it intentionally or just there's no maintaner who would take the effort to update to the latest bugfix release ?

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• What do you do when the code isn't complicated enough?

  - by Chris

  After six months of development on a project, our stakeholders have had a "gut check" and have decided that the path that we've been walking (a custom designed application framework and data access layer) is holding us (the developers) back from quickly developing the features they would like to see. After several days of debate management and the development team have decided to scrap the current incarnation and start over using ASP.net MVC, with Entity Framework as the bases of the a 'quick and dirty', lets just get it done project. In days following, our senior developer who has never worked with MVC or Entity Framework has finally gotten into a sample project and done some work. His take on ASP.net MVC, "this is not software engineering". So my question is this; what do you do, when one doesn't think the code is complicated enough?

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• Ops Center and Oracle Solaris 11

  - by user12609425

  There have been a few questions about Ops Center and S11 recently. People have been trying to discover and update S11 from Enterprise Controllers installed on S10 or Linux, and running into problems, and wondering what the solution is. Well, the solution is that, if you want to be able to discover, monitor, and update S11 OSes, you need to install your Enterprise Controller and at least one Proxy Controller on S11 systems. The Oracle Solaris and Linux install guides both note this in the chapters that cover preparing your environment. Technically, if you have an S11 Proxy Controller you can at least discover, manage, and monitor S11 systems. However, features like the automated installer and the image packaging system (for OS updates) can only be used through Ops Center if your Enterprise Controller is installed on S11 as well.

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• Is there a formal name for gradually activating software changes?

  - by g .

  At times when we develop new features or functionality, we gradually "turn it on" to ensure a smooth transition and minimal impact for users. Instead of one big sudden change, we are able to control with the configuration aspects of the functionality that make it more or less intrusive to the user. This is all done in the same release/version of the software, so no software development changes are required (unless bugs turn up that need to be fixed). For example, initially we may only perform logging or analysis of data without acting upon it. Or we make something optional for a period of time before it becomes compulsory. The idea is that this reduces the potential for problems either on the technical side as well as unexpected changes by the user. The question is, is there a formal name for this approach?

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• GDD-BR 2010 [1B] What's New in Google App Engine and GAE for Business

  GDD-BR 2010 [1B] What's New in Google App Engine and GAE for Business Speaker: Patrick Chanezon Track: Cloud Computing Time: B[11:15 - 12:00] Room: 1 Level: 151 Learn what's new with Java on App Engine. We'll take a whirlwind tour through the changes since last year, walk through a code sample for task queues and the new blobstore service, and demonstrate techniques for improving your application's performance. We'll top it off with a glimpse into some new features that we've planned for the year ahead. This session will include an overview of Google App Engine for Business. From: GoogleDevelopers Views: 0 0 ratings Time: 49:20 More in Science & Technology

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• Should I use a unit testing framework to validate XML documents?

  - by christofr

  From http://www.w3.org/XML/Schema: [XML Schemas] provide a means for defining the structure, content and semantics of XML documents. I'm using an XML Schema (XSD) to validate several large XML documents. While I'm finding plenty of support within XSD for checking the structure of my documents, there are no procedural if/else features that allow me to say, for instance, If Country is USA, then Zipcode cannot be empty. I'm comfortable using unit testing frameworks, and could quite happily use a framework to test content integrity. Am I asking for trouble doing it this way, rather than an alternative approach? Has anybody tried this with good / bad results? -- Edit: I didn't include this information to keep it technology agnostic, but I would be using C# / Linq / xUnit for deserialization / testing.

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• Alternatives to voxel-based terrain

  - by Neomex

  Are there any alternatives to voxel based terrains? Such terrain should be fully destructable, allow for arches, overhangs, preserve sharp features where needed and keep consistent topology. Maybe you can explain the problem that makes you ask this question? Voxel based terrain is basically just using a 3D grid of data to store data. There are lots of ways to render that data, but it doesn't get much simpler for storing it. – Byte56 Current isosurface extraction methods aren't most effective/bug-free. Cubical Marching Squares seem to solve most of the issues, however it is a relatively new method and there aren't too many resources about it. (I've found single university paper) Even if we stick to CMS, when we want to add multi-material support, we can either divide surface into multiple meshes, or pass a texture array or texture atlas to shaders, then we are limited to set amount of textures and additionally increase memory-usage alot.

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• Removing unnecessary joomla CMS components

  - by Gaz_Edge

  Background I have been developing a web application. I have been using Joomla platform and CMS as the base from my application. My application relies heavily on the joomla platform, but uses very few features of the CMS (I have to login users etc so I use the _users component of the CMS). Question What is the best way to start removing some of the excess CMS that I don't need? For example when I being building my production site, I will want to avoid creating a load of joomla component database tables etc. I have read that an application can be build from the ground up using just the joomla platform, but i still want to include the _users component and would also like to avoid having to start coding all the session handling aspects. Any advice?

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• Question about creating a sprite based 2-D Side Scroller with scaling/zooming

  - by Arthur

  I'm just wondering if anyone can offer any advice on how best to go about creating a 2-D game with zooming/scaling features akin to the early Samurai Showdown games. In this case it would be a side scroller a la Metal Slug, the zooming would come in as more enemy sprites entered the screen, or when facing a large sized boss. A feature that would be both cosmetic as well as functional to the game. I've done some reading and noticed a few suggestions that included drawing different sized sprites, a standard size and zoomed out size. Any thoughts? Thanks for your time.

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• what is the Best way to learn object oriented principles

  - by Mike

  I am interesed in OOP principles and i found lots of documentations and books about it, for instance in C++, Java, .NET, PHP and so on, but if i only want to learn OOP principle, differences and not in language, what can i do? i want a good documentation, not just like a whole book about something except OOP :) specific answers, how it works, main features, pictures, or videos, or forum, or even stack... in every time I began studying i read a whole history of programming, computer science, software development and bla bla... i need specific answers, if it is possible i really need to learn, i need examples and exercises thanks in advance

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• MEF (Microsoft Extensibility Framework) made simple (ish)

  Microsoft Extensibility Framework or MEF is one of the great features in Silverlight, designed around making Silverlight applications more extensible generally and provides a much more complete story for the separation of concerns. MEF then begs the question 'Why we care?' and 'What can MEF really do?' and we will address that here.Let us talk about a real world example for a moment.Say you are a vertical selling corporation of some kind, meaning that you sell to companies that do similar things....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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• Is there any performance difference between Ubuntu Unity and Classic/Fallback?

  - by user48949

  is there any difference between using Ubuntu Unity and Ubunt Classic/Fallback? Just to be clear, I'm not talking about the Launcher or the Dash. Of course Ubuntu Classic/Fallback doesn't have the Launcher/Dash, but this is not the difference I'm talking about. I mean differences related to performance, features, functionalities, compatibilities, etc. These kinds of differences. I'm asking this because I've heard the Fallback Mode is kind of "incomplete" when it's compared to Gnome Shell or Ubuntu Unity, so I just wanted to know whether or not it's true, because if it's true, I don't think using Fallback Mode is worth it.

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• What good free forum engines are out there? [closed]

  - by user1306322

  I'm looking for a forum engine for my website, which will look modern, easy to use and follow lengthy discussions. Most of the times people hear "forum" they imagine unresponsive phpBB with terrible color scheme and unnecessarily huge user info sections (avatar, signature) about 600px high each, which make it impossible to see more than 5 posts on a really big screen. I'd like it to be the other way around with my future forum. Features I'd like to see: Clean, transparent section/thread selection, Must not have "message posted, you will be redirected to wherever" screens, 1-click message posting (captchas are ok, but not the ones that erase the whole post when you mistype), Tree hierarchy for comments to posts

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• google-chrome without loading libnss3? [closed]

  - by 17763

  Possible Duplicate: How do I install Google Chome on legacy 7.10 computer? I am trying to get google-chrome to work on Ubuntu 7.10. I installed it with --force-depends and got it to install, but now when I try to run it, I get this error: /usr/bin/google-chrome: error while loading shared libraries: libnss3.so: cannot open shared object file: No such file or directory Is there a way to still get google-chrome to load even without this dependency satisfied? This is an old system that needs to keep this old 7.10 Ubuntu version and I would like to have google-chrome if possible installed, even if it means no sound or other features that are not compatible.

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• SQL Server 2012 Service Pack 1 is available - this time for sure!

  - by AaronBertrand

  Last week I mentioned in passing that Service Pack 1 is now available, while I was blogging from the PASS Summit keynote . I wanted to put up an official post instead of having it appear as a footnote there (I also updated my April Fools' joke to point to the right place). Service Pack 1 Details Service Pack 1 is build # 11.0.3000 and includes 13 fixes to public KB items and 35 other internal (VSTS) items. You can see the list of fixes in KB #2674319 . You can also read about new features included...(read more)

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• SharePoint 2007: Error message when adding a Web part to a list or library page

  - by Cherie Riesberg

  Sytmptom:   You have a list or document library page (allitems.aspx) and you are trying to add a Web part.  You get an error message: Unable to add selected Web part(s).  (name of Web part): The file is not checked out.  You must first check out this document before making changes. Publishing features are not turned on and it is not a page that lives in a library accessible by the GUI. Solution:  Open the site in SharePoint Designer and check out the page. Then, check in the page after modifications are done.  It seems like this is just a bug.

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• Deactivate one graphicdevice in a SLI system

  - by NobbZ

  As it is now, I have a Gaminglaptop with 2 GeForce 9800M GT with SLI activated, Ubuntu 12.04. When I use any graphicdriver that is aware of acceleration features the system crashes after a short period of time. After I removed and purged jockey my system runs stable but slowly, but I can use it for now (I have to choose recovery at startup and the resume boot, botting up normal results in a colorflickering screen). But since the system is runs slowly, I would like to try to work with only one graphicdevice. First test device A, if that doesn't work test with device B. A testing tool for Windows already told me, that one of the cards doesn't work properly, but it doesn't say which one (same crashes in Windows when programs or desktop uses acceleration). Therefore I wanted to ask, if there is a way to reinstall any nVidia (or third party) driver, deactivate one of the two devices and test the stability?

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• In Google Analytics, how can I determine the value of a page if no goals or revenue have been determined?

  - by Brandon Durham

  I have 4 years of data in Analytics with over 20 million pageviews for the entire site. No goals have ever been set up, and while the site is an ecommerce site, no ecommerce features in Google Analytics have ever been taken advantage of. So I have no way to determine what the actual value of a page is. I've been tasked with determining if a particular page on the site is worth keeping around. How might I use all standard data (pageviews, bounce rate, time on page, time on site, etc.) to help determine the value of this page? I really appreciate any help I can get!

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• Why Android for new (micro) consoles?

  - by Klaim

  There are a lot of new (micro) consoles with Android inside coming soon or already there (OUYA for example). My question is: why use Android and not another OS as base for these consoles? I assume that there are pragmatic answers to this but I can't see any clear killer feature. For example, one can assume that any stable Linux distribution would work (like Valve seem to think). Android is primarily targetted at mobile platforms which mean it is built around the idea of being interrupted which goes against a lot of what console devs needs in new hardware - but is not killing Android as a platform for gamedev either as it's just a constraint. Why not another OS? What's the Android killer features that make micro-console builder using it instead of Linux or anything else?

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• Do private collaboration platform really need private file access?

  - by apasajja

  I need to make private collaboration platform, where the website is not open to public registration, and all the posts is only accessible by the members. The members is management team of a company. Along with many features, it has Announcement. When posting Announcement, it has option to upload images. I personally like it public, because the file transfer faster and can be easily integrated with CDN. I just wonder whether I need to make the image public, or only accessible by the members.

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• Oracle Solaris Cluster 4.1 Released

  - by Larry Wake

  Today we announced the release of Oracle Solaris Cluster 4.1 ( download ; existing customers can just update from the package repository ).New capabilities include:  Oracle Solaris 10 Zone Clusters: The easiest way to update and consolidate existing Solaris 10 application environments is with Oracle Solaris 10 Zones within Oracle Solaris 11 -- not only do you get higher system utilization, but you can immediately leverage new features such as network virtualization.With Oracle Solaris Cluster 4.1, you can now cluster these zones, for even higher availability. Expanded disaster recovery operations: Oracle Solaris Cluster 4.1 introduces managed switchover and disaster-recovery takeover of applications and data using ZFS Storage Appliance replication services in a multi-site, multi-cluster configuration. Faster application recovery with improved storage failure detection and resource dependency management. Labeled security support for providing both high availability and high security, leveraging Oracle Solaris 11 Trusted Extensions. Learn more: Oracle Solaris Cluster at the Oracle Technology Network Data Sheet  What's New in Oracle Solaris Cluster 4.1  FAQs

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• How much time do you spend actually developing vs. infrastructure activites?

  - by Can't Tell

  When I'm working I feel like most of the time I'm not doing actual work. For example after making a change to the code in order to test it, I have to first build the project, and start the server(say JBoss). Upon testing, I find that there is another small issue. So I bring down the server, make the changes, build again and start up the server again.The building and bringing the server up/down is not very useful work. Also, the IDE (lets say Eclipse) does things such as updating Maven indexes and building the workspace which take some more time to get things done. Have you come across this kind of situation? Do you have tips on how to overcome/bypass this? Any features on the IDE/build tools that can be helpful? Any architecture/application design/technology that attempts to overcome this?

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• Flash Retirement - HTML to be "the one"

  - by RichMill

  I will update this blog post as we get closer to the retirement of the Flash portal. As you might have read the support.oracle.com  flash site will be replaced with what you see in supporthtml.oracle.com,  once we get the rest of the features and functions ported over to the html site. The HTML site is written using Oracle's ADF stack. So we are now pretty much 100% eating our own dog food.  More details to follow.

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• What's the difference between AppMobi and PhoneGap?

  - by Ajmal

  I am new to the cross platform application development. I came across the very similar cross platform frameworks AppMobi and PhoneGaP. I found the basic difference between appmobi and phonegap is appMobi offers a complete cloud-based development system that includes a the XDK development tool. ie It's possible to develop Apple apps without owning a Mac using appMobi. I want to know Is there any differences between apk/ipa created using Appmobi and apk/ipa created using PhoneGap? Is there any difference in native features that can be used ? Also other differences between these two.

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• Website creation preparation [closed]

  - by Loki

  I am in the pre-coding phase of creating a website. I know that it will be account based (users have to register/login to use the features). I also know that the server will have to do certain operations that are timer based, that is to say that user will have events that will trigger at a point chosen by the user and do something. I am searching for a good choice in server-side technology, and was wondering what my options are and what the best choice is. I would prefer open technology and something that doesn't use interpreted languages (Java, .net). My first thought is PHP + PGSQL for serverside and HTML+CSS+JS for clients, but I am still looking at my options.

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