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• Oracle revisite la gouvernance d'OpenJDK avec un projet définissant un règlement et un nouveau conseil d'administration

  Oracle revisite la gouvernance d'OpenJDK Avec un projet définissant un règlement et un nouveau conseil d'administration Oracle vient de publier le brouillon du nouveau règlement interne du groupe de travail de l'OpenJDK, l'implémentation open-source de l'édition standard du langage Java. Le but affiché de ce nouveau document est d'aider "les membres [de la communauté] à agir d'une manière ouverte, transparente et méritocratique", tout en encourageant la croissance et la prospérité à long terme de la communauté. Ce brouillon avait été annoncé et co-rédigé par Mark Reinhold, architecte en chef de la plateforme Java à Oracle. Reinhold affirme ...

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• What are the system requirements for each flavor of Ubuntu Desktop?

  - by Braiam

  I'm thinking about installing Ubuntu Desktop, but I don't know what flavor is the better for my system. What are the minimum and recommended hardware requirements? What kind of CPU? How much memory? Should I have Hardware Acceleration? What flavor should I use? This is an attempt of a canonical answer. My answers have the "official minimal requirements", the recommended are a mix of official sources and opinion based (along with the answer it's told the source). You can comment or edit if you feel that the information is obsolete or incomplete. Is a good rule of thumb that any system capable to run Windows Vista, 7, 8 x86 OS X will almost always be a lot faster with any Ubuntu flavor even if they are lower-spec than described below.

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• How to sell Agile development to clients [on hold]

  - by Sander Marechal

  Our development shop would really like to do more agile projects but we have a problem getting clients on board. Many clients want a budget and a deadline. It's hard to sell a client on an agile project when our competitors do come up with waterfall-based fixed deadlines and fixed prices. We know their fixed numbers are bad, but the client doesn't know that. So, we end up looking bad to the client because we can't fix the price or a deadline but our competitors can. So, how can you get your sales force to successfully sell a project that uses agile development methods, or a product that is developed using such methods? All the information I found seems to focus on project management and developers.

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• ASP.NET Combo Box and List Box Performance Improvements - v2010 vol 1

  Check out this great new performance feature of our ASP.NET combo box and list box controls for the DXperience v2010.1 release. You can now manually populate lists with items based on the currently applied filter criteria. This means that you can significantly decrease web server workload by loading only a subset of all items when working with large datasets. For instance, when using a large data source, you can only request a few records to be visible on the screen. The rest of the items can...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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• How can I create multiple mini-sites with similar/duplicate content without hurting my search engine rank?

  - by ekpyrotic

  Essential background: I run a small company that lets members of the public post handwritten letters to their local politician (UK-based). Every week a number of early stage bills (called Early Day Motions) are submitted for debate in the House of Commons, and supporters of the motion will contact their local Members of Parliament, asking them to sign the motion. The crux: I want to target these EDMs with customised mini-sites, so when people search "EDM xxx", they find my customised mini-site, specifically targeting that EDM (i.e., "Send a handwritten letter to your MP asking them to sign EDM xxx"). At the moment, all these mini-sites (and my homepage) have duplicate content with only the relevant EDM name, number, and background image changed. (For example, http://mailmymp.com and http://mailmymp.com/edm/teaching-life-saving-skills-at-school-edm-550.php). The question: Firstly, will this hurt my potential search engine ranking? And, if so, what's the best way to target these political campaigns in an efficient manner without hurting my SEO prospects?

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• Is there anywhere where I can get Ubuntu installed for me?

  - by user3911336

  I have tried for days to install Ubuntu on my lenovo ideapad z510 and I feel like giving up. I really feel like I will like Ubuntu, but for some reason I always have some king of problem. I really don't want to give up on Ubuntu, but I don't want to brick my laptop either. Is there anywhere I can have Ubuntu installed for me? I have tried messing with my bios, used a DVD and a USB, but no luck. Thanks in advance! Edit: I am based in Warwick, RI in the USA. I don't want to run Ubuntu in windows.

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• Calculating the rotational force of a 2D sprite

  - by Jon

  I am wondering if someone has an elegant way of calculating the following scenario. I have an object of (n) number of squares, random shapes, but we will pretend they are all rectangles. We are dealing with no gravity, so consider the object in space, from a top down perspective. I am applying a force to the object at a specific square (as illustrated below). How do I calculate the rotational angle, based on the force being applied, at the location being applied. If applied in the center square, it would go straight. How should it behave the further I move from the center? How do I calculate the rotational velocity?

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• SQL Server Data Tools–BI for Visual Studio 2013 Re-released

  - by Greg Low

  Customers used to complain that the tooling for creating BI projects (Analysis Services MD and Tabular, Reporting Services, and Integration services) has been based on earlier versions of Visual Studio than the ones they were using for their other work in Visual Studio (such as C#, VB, and ASP.NET projects). To alleviate that problem, the shipment of those tools has been decoupled from the shipment of the SQL Server product. In SQL Server 2014, the BI tooling isn’t even included in the released version of SQL Server. This allows the team to keep up-to-date with the releases of Visual Studio. A little while back, I was really pleased to see that the Visual Studio 2013 update for SSDT-BI (SQL Server Data Tools for Business Intelligence) had been released. Unfortunately, they then had to be withdrawn. The good news is that they’re back and you can get the latest version from here: http://www.microsoft.com/en-us/download/details.aspx?id=42313

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• Advice Required Regarding Creating a Self Learning, Self Organizing Programming Team....

  - by tGilani

  Hello I'm a senior student at my university and chairperson of IEEE Student Branch there. Recently I was thinking of some idea to acquaint students with the professional environment, how software is produced in the industry and get a practical experience.. Obviously trips to software houses are not enough and we cannot provide this many internships. So the idea of simulating a software house within the university popped in. Resources at my disposal are students with their own laptops, university UPS and lan network with internet access, and a reasonably sized room with a whiteboard and three hours free time daily.. :) However, I have absolutely no idea where to begin with. Milestones or whatever it may be called, are Requirements Document generation, sharing of resources, delegation of tasks, version controlling etc... I'd really appreciate some advice, programming tools (for JAVA), communication tools etc and other things used in a decent software house... Technologies to be targeted shall be random possibly starting with J2EE Spring Hibernate and Later Visual Programming in .NET C# and ASP.NET MVC as well as Android or iPhone development....

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• Build & Deployment Guide for Service Bus Relay Project

  - by Michael Stephenson

  Ive recently published a sample guide based on a real-world project where we implemented an on-premise WCF routing solution to connect SAAS applications to our on premise line of business applications. The guide will discuss: How we configured and setup the infrastructure How we setup the on-premise server to listen to the service bus What software we used How we configured Windows Azure This contains some useful contextual information around the reference scenario and hopefull this will be very useful to others undertaking similar projects. Ive also included this on the technet wiki page for Windows Azure Service Bus resources: http://social.technet.microsoft.com/wiki/contents/articles/13825.windows-azure-service-bus-resources.aspx

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• Intro to NoSQL with RavenDB

  - by dgreen

  I did a talk on RavenDB back on 9/19/2012. Here was my abstract: "RavenDB is a document database which is gaining popularity in the 'NoSQL' movement. This session will introduce you to some non-relational concepts and describe how they compare/contrast with the relational solutions you're already familiar with. We'll go through the basics of RavenDB and show how easy it is to use from .NET” My next goal is to figure out how to post the slidedeck here (and maybe the code samples if I'm feeling ambitious). Then, the slides can be downloaded for only three easy payments of $39.99. However  for this one time special offer they are currently being given away absolutely FREE with a signup to http://meetup.trinug.org Footnote: I probably shouldn't have to say this, but my last comment about charging for my slidedeck was a joke. I have an odd sense of humor for those who don't already know me :)

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• First 100 Registrations to Prairie Dev Con Get a Free 1 Month Subscription to TekPub!

  - by D'Arcy Lussier

  Thanks to our generous friends at TekPub, the first 100 registrants to the Prairie Developer Conference will receive a complimentary 1 month subscription to TekPub’s content! We’ll also be giving away 2 year long subscriptions at the conference as well! TekPub is the creation of Rob Conery and James Avery. They offer web-based learning videos covering a wide variety of topics that span Microsoft, Ruby, Open Source, Linux, Best Practices, and more…there’s literally an embarrassment of technology learning riches available through their site at very affordable costs! So check out TekPub today, and make sure to register for Prairie Developer Conference early to take advantage of the 1-month subscription offer!

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• How to acheive a smoother lighting effect

  - by Cyral

  I'm making a tile based game in XNA So currently my lightning looks like this: How can I get it to look like this? Instead of each block having its own tint, it has a smooth overlay. I'm assuming some sort of shader, and to tell it the lighting and blur it some how. But im not an expert with shaders. My current lighting calculates the light, and then passes it to a spritebatch and draws with a color parameter EDIT: No longer uses spritebatch tint, I was testing and now pass parameters to set the light values. But still looking for a way to smooth it

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• Where should I store and verify files manipulated by an app

  - by Alan W. Smith

  I'm working on a little Ruby script to move screenshots while renaming them based on a specific convention. I'll be writing tests to confirm the behavior. Ruby has lots of conventions for where to store files (e.g. the "spec" and "features" directories for RSpec and Cucumber, respectively), but I'm not finding best practices for storing files that will be acted upon by the tests. The same goes for a destination for the final copies of the files. So, the question in two parts is: Where should I store files that the test cases will use for a source input. Where should tests that need to write output files send them to.

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• Which torrent client has command line arguments to start/stop downloads?

  - by virpara

  first of all, I want to create shell script to start/stop downloads in torrent client. I don't need CLI but if you know how I can do that with CLI using shell script then it is okay. I use jDownloader which is GUI based application but has some command line arguments as below which I use to start/stop download. -h/--help Show this help message -a/--add-link(s) Add links -co/--add-container(s) Add containers -d/--start-download Start download -D/--stop-download Stop download -H/--hide Don't open Linkgrabber when adding Links -m/--minimize Minimize download window -f/--focus Get jD to foreground/focus -s/--show Show JAC prepared captchas -t/--train Train a JAC method -r/--reconnect Perform a Reconnect -C/--captcha <filepath or url> <method> Get code from image using JAntiCaptcha -p/--add-password(s) Add passwords -n --new-instance Force new instance if another jD is running So I can easily start/stop download as follows, jdownloader --start-download jdownloader --stop-download now I want torrent client to do that through shell script.

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• How can I get accurate collision resolution on the corners of rectangles?

  - by ssb

  I have a working collision system implemented, and it's based on minimum translation vectors. This works fine in most cases except when the minimum translation vector is not actually in the direction of the collision. For example: When a rectangle is on the far edge on any side of another rectangle, a force can be applied, in this example down, the pushes one rectangle into the other, particularly a static object like a wall or a floor. As in the picture, the collision is coming from above, but because it's on the very edge, it translates to the left instead of back up. I've searched for a while to find an approach but everything I can find deals with general corner collisions where my problem is only in this one limited case. Any suggestions?

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• Silverlight Release History : Q2 2010 Beta (version 2010.1.0609)

  Q2 2010 Beta New Controls: RadTreeListView As you have probably already noticed we started a major new initiative for completely re-writing the TreeListView control. Our first attempt (back in 2009) proved that our users are mostly interested in a TreeListView control that is based on theGridView control rather then the TreeView. Therefore, we decided to completely rebuild the control and the result is that the TreeListView now combines the powerful data-driven features from RadGridView with the...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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• Unleash the Power of JavaFX

  - by Angela Caicedo

  It seems that it was just yesterday that we were getting ready for JavaOne 2012.  Now it's over, but it's definitely a great time to go back and watch the sessions you missed, and learn some of the latest news about Java.   For this JavaOne, I presented two sessions and one HOL, all of them related to JavaFX: JavaFX Extreme GUI Makeover Building JavaFX Interfaces with the Real World Unleash the power of JavaFX If you couldn't join us for these sessions, just follow the links and you can watch the videos on demand. For the HOL I've created a repository at GitHub, as many of the attendees wanted to keep the material.   In this repository you can find the lab document, the NetBeans projects for each exercise and it's appropriate solution.  Hope you enjoy! I created and presented a HOL called:  Unleash the power of JavaFX.  In this blog entry I would like to provide you 

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• Scan-Line Z-Buffering Dilemma

  - by Belgin

  I have a set of vertices in 3D space, and for each I retain the following information: Its 3D coordinates (x, y, z). A list of pointers to some of the other vertices with which it's connected by edges. Right now, I'm doing perspective projection with the projecting plane being XY and the eye placed somewhere at (0, 0, d), with d < 0. By doing Z-Buffering, I need to find the depth of the point of a polygon (they're all planar) which corresponds to a certain pixel on the screen so I can hide the surfaces that are not visible. My questions are the following: How do I determine to which polygon does a pixel belong to so I could use the formula of the plane which contains the polygon to find the Z-coordinate? Are my data structures correct? Do I need to store something else entirely in order for this to work? I'm just projecting the vertices onto the projection plane and joining them with lines based on the pointer lists.

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• is it safe to use jQuery and MooTools together?

  - by user1179459

  I just need to know is it safe to use jQuery and MooTools Together in one web framework? I am not trying create application using both of them, but I am in a situation where I need to modify mootool based application framework, so I am used to jquery, I don't want to waste my time learning mootools and I think jquery is better than the mootools in many contexts like number of applications, plugins etc. so questions are is it safe to use mootools and jquery in one framework? will there be cross browser issues? how robust the application will be when using both?

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• Translating Fusion Apps Customizations: Composers mean Usable Apps in Any Language

  - by ultan o'broin

  Quick shoutout for the Fusion Applications (Cloud Applications to you) Developer Relations blog post about translating Fusion apps customizations using composers and other tools and utilities provided by Oracle. Great to see Fusion help customizations included in the post, as well as software, and it also includes a nice heads up on what's coming to enable customers to make changes to text themselves in Release 8 of Oracle's Cloud Applications. I am proud to say that I logged the enhancements for what's coming in Release 8  to come to life and also wrote a spec for its requirements based on the customer research done internationally through the Oracle Usability Advisory Board). Remember,  copywriting is design and translated versions means reflecting local UX requirements too! Nice post guys!

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• Ubuntu Server Installer does not detect usb device

  - by Peter

  For some time now I am struggling with the 12.04 Ubuntu Server installer. I am trying to execute a clean, CD based install with the mentioned version onto an SD card. For the sake of the simplicity I have taken out the HDD. However, I had to recognise that the "disk detection" phase simply can not find the SDCARD. It says "No disk drive was detected. If you know the name of the driver needed by your disk drive, you can select from the list." What is really strange that I have tried the older Ubuntu Server installer (11.04) and this is simply recognising the sdcard... Does anyone have any idea? Many thanks, Peter

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• Career Shifters: How to compete with IT/ComSci graduates

  - by CareerShifter

  I am wondering what are the chances of a career shifter (mid 20's), who have maybe 3-6 months programming experience vs. younger fresh IT/Com Sci graduates. You see, even though I really love programming (Java/J2EE), but nobody gives me a feedback when I apply online. maybe because they preferred IT/ComSci graduates vs a career shifter like me.. So can you advice on how to improve my chance on being hired. How can i get a real-job programming experince if nobody is hiring me. I can make my own projects (working e-commerce site blah blah) but it is still different from the real job. And my codes are working but it still needs a lot of improvement and no one can tell me how to improve it because no one sees it (because I'm doing it alone?). Do you know any open source websites (java/j2ee/jee) / online home-based jobs who accepts java/j2ee/jee trainees.. Thank you very much

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• Twitter Customer Sentiment Analysis

  - by Liam McLennan

  The breakable toy that I am currently working on is a twitter customer sentiment analyser. It scrapes twitter for tweets relating to a particular organisation, applies a machine learning algorithm to determine if the content of tweet is positive or negative, and generates reports of the sentiment data over time, correlated to dates, events and news feeds. I’m having lots of fun building this, but I would also like to learn if there is a market for quantified sentiment data. So that I can start to show people what I have in mind I have created a mockup of the simplest and most important report. It shows customer sentiment over time, with important events highlighted. As the user moves their mouse to the right (forward in time) the source data area scrolls up to display the tweets from that time. The tweets are colour coded based on sentiment rating. After I started working on this project I discovered that a team of students have already built something similar. It is a lot of fun to enter your employers name and see what it says.

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• Should a web designer know server-side coding?

  - by Rasoul Zabihi

  We're implementing an CMS based on ASP.NET MVC. Now, any designer should be able to provide themes for this CMS. But to write a theme, they need to be able to modify the generated HTML, thus the concept of View. In other words, they should be capable to either modify current views, or create new views from scratch, to fit their requirements. However, now we're not sure that we're taking the right path. Should a web designer (HTML, CSS, JavaScript + Photoshop) really know about server-side platforms like Razor or PHP, or classic ASP, or anything else?

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