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• GlassFish 4.0 Virtualization Progress - VirtualBox

  - by alexismp

  Wouldn't it be nice if you could spawn GlassFish instances as VirtualBox virtual machines? Well now with early versions of GlassFish 4.0 you can! This page on the GlassFish Wiki documents the steps to get this to work. It walks you through the various VirtualBox (network and services) and GlassFish configuration steps including the creation of VDI templates (typically JeOS images) to finally create a virtual machine on the fly, as part of the typical GlassFish deployment process. The more general virtualization support in GlassFish is discussed in this other Wiki page. Earlier demonstrations of GlassFish.next prototypes or early milestone builds showed support for KVM, "laptop mode" and OVM as well as community involvement from Serli, speaking of which this slide-deck is a good summary of what we're trying to achieve in the GlassFish 4.0 IMS (IaaS Management Service).

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• Introducing Task-It. A real-world application using RadControls for Silverlight 4

  This is the first in a series of blog posts based around an application called Task-It that I have developed in Silverlight 4. Task-It is real-world application designed for people that need a simple way to manage the numerous tasks that we all strive to accomplish on a daily basis. Figure 1: Task-It Tasks page Figure 2: Task-It Dashboard page I have developed this application for several reasons: There are many task management applications out there, and I have used quite a few of them, but I havent found one that really grabbed me. Many of these applications had their strong points,but some were overly complex, some lacked key features, some cost too much money, and so forth. I thought it would be nice to identify the best parts of each, and take my stab at building my own. During my evaluation of task management applications, I have not yet ...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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• Should I learn WPF? Is it a good time investment? [closed]

  - by Arash

  First I should say this is a copy of this question. I am a C# developer, not an expert, but still learning and growing. I want to learn WPF so I can creat application with nice UI. However I am afraid that, after I spend my time learning it, it is gonna be obselete, you know with windows 8 and metro application and stuff, so my question is: At this pint of time, would it be a good time investment to learn WPF? or will I be better off learning Metro? Thanks.

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• What set of tools make up "the rails way" of testing javascript in the browser?

  - by Jordan Feldstein

  What's the concensus for doing in-browser (either headless or remote-controlled) testing of javascript? Unit testing my JS is nice, but can't protect against irresponsible changes to the DOM. Unit testing of the JS and functional testing of the views to make sure they both provide and utilize the same, correct DOM, might work, but then the link between JS and DOM is being covered in two places which seems brittle or cumbersome. Is there an acknowledged "Rails Way" to implement full-stack tests, where I can run my javascript against the DOM rendered by the rest of the app, and check the results? (Something like what PHPUnit and Selenium give us, but inside the rails framework?)

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• What are some ways to texture map a terrain?

  - by ApocKalipsS

  I'm working with XNA on a 3D Game, and I'm trying to have a proper and nice environnement. I actually followed a tutorial to create a terrain from a heightmap. To texture it, I just apply a grass texture on it and tile it a number of times. But what I want to do is to have a really realistic texturing, but also generate it automatically (for example if I want to use Perlin noise to generate a terrain and then texture it). I already learned about multi-texturing, loading a map file with different colors for different textures, but I don't think this is really efficient, for instance for cliffs or very steep areas it will tile a texture badly as it's a view from the top. (Also, I don't know how I'll draw roads or dirt paths with that.) I'm looking for an efficient solution to realistically texture mapping procedurally-generated terrain.

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• What is the benefit of not using Hungarian notation?

  - by user29981

  One of the things I struggle with is not using Hungarian notation. I don't want to have to go to the variable definition just to see what type it is. When a project gets extensive, it's nice to be able to look at a variable prefixed by 'bool' and know that it's looking for true/false instead of a 0/1 value. I also do a lot of work in SQL Server. I prefix my stored procedures with 'sp' and my tables with 'tbl', not to mention all of my variables in the database respectively. I see everywhere that nobody really wants to use Hungarian notation, to the point where they avoid it. My question is, what is the benefit of not using Hungarian notation, and why does the majority of developers avoid it like the plague?

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• Representing timezone list

  - by StasM

  I have a web application that allows the user to choose the timezone from the list. The list is very long (pretty much all CLDR-supported timezones). So the question is - how should I represent it? How should it be sorted - alphabetically or by timezone offset? What information should each item contain - offset, location, long name (like Europe/Zurich) or short name (like CET)? Should I display information about DST or only current offset? Let's say I can't right now do something like fancy maps OS configuration dialogs display, so the list is the only option. However I want to make the list look nice. Any best practices how it's done?

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• HTML5 Audio: Which formats? Ditch Ogg Vorbis in favor of Ogg Opus? Is MP3 still needed?

  - by phoibos

  I'm currently working on a website which has to stream audio files. Since bandwidth is always an issue, the file size should be as small as possible. I wonder what audio formats I should provide. MP3 - Most common format but low quality, I don't know if it's even required, since AAC is well supported by the browsers incapable of playing free codecs MP4 AAC - Nice quality / small filesize, supported by Safari / Mobile Devices / IE9 / Flash / Chrome A free codec - well, until recently, there only was Ogg Vorbis, but Ogg Opus is standardized now and it's really good! Questions: Is it time yet to use Opus instead if Vorbis? Firefox supports Opus since version 15, and Opera has support on its roadmap - I guess Chrome will follow in the future too. Do I still have to provide an MP3 file?

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• Mediawiki hosting? [closed]

  - by Oatman

  Possible Duplicate: How to find web hosting that meets my requirements? What is the best mediawiki hosting provider? I want to be able to have a fairly simple, reliable wiki attached to a site's subdomain (wiki.mysite.com). I'd prefer it as a service, updates handled for me, I don't want to see any code! I imagine I'll change my dns to point to the provider and pay a few bucks a month. Nice and simple. There seem to be a few providers who offer this, what have you had success with?

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• Oneiric is freezing. Need help diagnosing and filing a bug

  - by mlissner

  Six months ago, I bought a new Sandy Bridge CPU and built myself a nice desktop machine. Until now it hasn't worked...at all. I finally have gotten it working now that Oneiric is released, but it freezes every so often, making it little more than a semi-functional temptation. What happens when the system freezes is: the music I have playing enters into about 5s loops. SSH fails the monitor freezes the mouse freezes the keyboard fails The only way to fix it is to do a hard reset...and that sucks. I'd love to at least figure out the source of the freeze so I can file a bug. I've looked in dmesg, kern.log, and the X.org logs. Nothing interesting is any of them. Since SSH fails, I'm convinced it's not an X crash: https://wiki.ubuntu.com/X/Troubleshooting/Freeze Anything else I can do?

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• How Would You Design This Table?

  - by sooprise

  I have to create a table where each row needs to store 50 number values. Each row will always need to store 50 number values. If this was a smaller number of values, I would just make fields for each of the values, but because there are 50, this approach seems a bit cumbersome (but since it will always be 50 values, maybe this is the correct approach?). Is there a way to store an array of values in a field? This seems like a nice solution, but the concept is almost identical to creating a relational database.

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• Oct 15 in Oslo - SharePoint 2013 Day - a rundown of everything SP2013

  - by Sahil Malik

  SharePoint 2010 Training: more information A full day of a fun filled overview of what is new in SharePoint 2013, mixed in with some good food, chit chat, and lots of learning. Seriously, there is so much information about SharePoint 2013, wouldn’t it be nice if someone distilled that to – “What it means for you”?Where do you start, how do you go about learning? And most importantly, talk about the practical side of things when it comes to implementing and debugging much of this? If you are an IT Pro or a Developer working with SharePoint, with interest in SharePoint 2013, you would find this event extremely interesting. You can find the full outline at the registration link, but here are some details, Read full article ....

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• SQL Saturday 300 BBQ Crawl

  - by Bill Graziano

  SQL Saturday #300 is coming up right here in Kansas City on September 13th, 2014.  This is our fifth SQL Saturday which means it's the fifth anniversary of our now infamous BBQ Crawl.  We get together on Friday afternoon before the event and visit a few local joints.  We've done nice places and we've done dives.  We haven’t picked the venues yet but I promise you’ll be well fed! And if you’re thinking about the BBQ crawl you should think about submitting a session.  Our call for speakers closes Tuesday, July 15th so you just have time!  If you’re going to be at the event, contact me and I’ll get you added to the list.

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• How to grant standard users access to disk partitions and flash storage?

  - by JK04

  I have a partition that I need standard users (not administrators)to have read/write access to. However, this partition does not even appear to them as it does to me as an administrator. How can I make it so that standard users can read/write to this partition? It would be nice if they could have the ability to mount it if needed. I have the same problem with removable media - if I have a flash card in the computer, the standard users cannot see this storage media.

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• Best language for crossplatform app with GUI [on hold]

  - by Jeremy Dicaire

  I've decided to finally get rid of all Microsoft crap and switched to linux yesterday (It feels so good!) I'm looking for a way to create a cross-platform app with a GUI using an open-source language. I came across python with qt4 (or qt5). I give a thought to Java but it's a memory eater... I'm wondering which other good options is available before starting my journey with those 2 and which tools are good to help me code. I'm currently using Eclipse for all my programming needs. Your help is appreciated! Have a nice day

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• Agile Tools For Handling Multiple Projects

  - by f1dave

  Currently I'm leading our agile team in an iteration manager role as well as doing my regular dev work. One of the difficulties I'm facing as an IM is tracking burn-down/burn-up; not because I can't produce graphs, but because there's multiple projects that this team is working on at one time. At present I have an excel workbook with sheets that contain a whole bunch of graphs, both at an overall team and by-project level. It's clunky and I spend more time tweaking formulas and double checking calculations than I'd really like. As such, I'm interested to know if anyone has used a tool that can effectively produce these sorts of reports, burn-downs, and predictions across multiple projects. I've seen http://www.pivotaltracker.com/ do some nice things, and of course there's JIRA/Greenhopper, but I'm not aware of those being used to track the progress of multiple projects within one team. If anyone's got an idea of some tools, or has faced a similar problem before, I'd love to hear from you.

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• in ubuntu 12.04 how may i know if my devices have it's driver installed??

  - by Aldo

  i have a dell N4110 laptop, and i want to know if the driver is installed and working well, something like the device manager in windows , or another way to know if a device is driverless or if the device might have a better driver, like my mousepad, in windows it have multi-touch gestures , that scrolls or zoom with two fingers (like an ipod) but in ubuntu it just works the right part as a scroll bar, so maybe it is installed one driver, but i need other one that uses well my devices. and the grphics card, i have not idea if it is well installed or isn't. i have a Intel 3000hd graphics card. thank you for your time. have a nice day people! =D

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• Strategy for image sizes

  - by MotiveKyle

  I run a site that has a lot of writers that generate quite a few articles a day. I require them to provide two image sizes (one for the big headline image and one as the thumbnail). I've been wanting to change up the site layout a bit, but I am becoming limited by the image sizes for the posts. I have considered just cropping images, but they still need to look nice, and cropping doesn't always generate what I'd want. I'd prefer to just scale down by percentage (as I do with thumbnails). Should I just make the writers provide more images? How do other sites handle this?

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• How to recover my inclusion in google results after being penalized for receiving comment spam?

  - by UXdesigner

  My website had very high search engine results, especially in Google. But I left the website for a couple of months and didn't notice the comments were full of SPAM, about 20k comments of SPAM. Then i checked my google results and I'm out of google ! After years of having good results, no spam, how can I now recover from that? The spam problem has been solved completely. No more spam, and the website is very legit and very nice. Well, at least I think I was penalized, I don't see any other reason.

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• How can I motivate the community to use boinc?

  - by user49523

  boinc is a really nice application to use on background of a computer that can help science projects and humanity as a all. I would like somehow to encourage people use boinc with their preferences on boinc like projects choice, cpu from 10 to 100 ,.. with their computer that will help science to move more quickly and help humanity There are 20 million users of ubuntu if most of use boinc , this will increase the speed of science projets .. and if other people from other operating systems use as also like mac,windows,.. and other open source like debian,.. this would even speed more science and now anyone can win also a prize , joining a project management like http://boincstats.com/ and there is more 2 How can i get ubuntu users and ubuntu community to know and use boinc application?

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• ASP.NET MVC and Me in PragPub Magazine

  The June issue (also in pdf) of the online PragPub magazine, published by the Pragmatic Bookshelf has two articles on ASP.NET MVC. The first is called Agile Microsoft and is an introduction to ASP.NET MVC geared towards those whove never seen it. Its nice seeing ASP.NET MVC featured in this magazine which in its own words tends to cater to a non-Microsoft crowd. To some developers, Microsofts technologies are a given, the river they swim in. To others, not using Microsofts tools is the default....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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• 3D open source physics engine suitable for mobile platforms (Android and iOS)

  - by lukeluke

  I have made some research and found that bullet, ode, newton and some others are open source physics engines that should be portable enough (but I have never tried to comile/use anyone of them on phones). I am writing my games for mobile platforms in C++, so the engine should be C or C++. I need a fast engine, since mobile platforms have limited resources. I need a free engine. A good design would be nice to have too. What engine is best suited for my task? What I really would like to hear from you is your direct experience. Documentation and support (for example, forum or an IRC channel) is a really important aspect to take into consideration.

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• What most games would benefit from having

  - by Phil

  I think I've seen "questions" like this on stackoverflow but sorry if I'm overstepping any bounds. Inspired by my recent question and all the nice answers (Checklist for finished game?) I think every gamedev out there has something he/she thinks that almost every game should have. That knowledge is welcome here! So this is probably going to be an inspirational subjective list of some sorts and the point is that anyone reading this question will see a point or two that they've overlooked in their own development and might benefit from adding. I think a good example might be: "some sort of manual or help section. Of course it should be proportional to how advanced the game is. Some users won't need it and won't go looking for it but the other ones that do will become very frustrated if they can't remember how to do something specific that should be in the manual". A bad example might be "good gameplay". Of course every game benefits from this but the answer is not very helpful.

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• What file formats and conventions should I support to make my game engine artist-friendly?

  - by Avi

  I'm writing a game engine, and I want to know what I should do to make it more artist-friendly. I don't want to be too limiting in terms of what file formats I support, etc. Some specific questions: Are there specific formats artists like to model in? Does it not matter because the 3D modeler abstracts the data storage away? Is it okay if I don't support per-vertex coloration in my game engine? If I have to store a diffuse, specular, ambient, and emissive color value for each vertex, it doubles the size of vertices in the buffer. Is it reasonable to ask artists to do all these things in textures / maps? Any other tips you have about making it so that artists have to adapt their style to my specific engine as little as possible would be nice.

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• Why should I learn vi/vim/emacs? [on hold]

  - by Tom Busby

  I hear all the flame wars about vi/vim and emacs and which is better etc but honestly, I just use sublime. When I have to edit from the CLI I use nano (it's simpler to use). I'm wondering if I'm missing something. Should I put the time/effort into learning one of those text-editors thoroughly, and if so... why? What is it about these two editors that evokes so much adoration and devotion? Why would I want to use any of them over my nice, multi-caret, GUI text editor?

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