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• Interviewing someone for general unix skills

  - by Christophe Vanfleteren

  How would you test a developer that claims to have *nix shell experience (just to be clear, we don't want to test if someone can develop on *nix, only that they know their way around the command line). I was thinking about making them solve a problem of getting information out of log files, which would involve some basics like cat, grep, cut, ... combined with piping. What other basic knowledge would you ask for? Once again, this isn't for interviewing someone who will develop for *nix systems, and also not for *nix system admins, but just for regular developers that sometimes need to do some work on a *nix system.

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• Hack a Nintendo Zapper into a Real Life Laser Blaster

  - by Jason Fitzpatrick

  Why settle for zapping ducks on the screen when you could be popping balloons and lighting matches on fire? This awesome (but rather dangerous) hack turns an old Nintendo zapper into a legitimate laser gun. Courtesy of the tinkers over at North Street Labs, we’re treated to a Nintendo zapper overhaul that replaces the guts with a powerful 2W blue laser, a battery pack, and a keyed safety switch. Check out the video below to see the laser blaster in action: For more information on the build and a pile of more-than-merited safety warnings, hit up the link below. Nintendo Zapper 2W+ Laser [via Boing Boing] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Using JPA 2.0 with WebLogic Server 10.3.4 and Eclipse

  - by greg.stachnick

  Beginning in Oracle Enterprise Pack for Eclipse (OEPE) 11.1.1.6.1, we introduced a new feature for WebLogic Server configuration called Server Extensions. Similar in concept to project facets, Server Extensions allow us to install additional technologies, libraries, configurations, etc into an existing server runtime. WebLogic Server 10.3.4 introduces new support for Java Persistence 2.0, the new JEE 6 standard entity access. In order to start developing JPA 2.0 applications with WebLogic Server 10.3.4, a SmartUpdate patch must be applied to add and configure the EclipseLink libraries. More information on the manual EclipseLink installation and configuration can be found here. OEPE provides a Server Extension for JPA 2.0, making the addition and configuration of JPA 2.0 and EclipseLink much easier. When defining a new WebLogic Server 10.3.4 configuration, simply click the Install link for Java Persistence 2.0 and OEPE will take care of the WebLogic Server enablement for JPA 2.0.  

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• EL 3.0 Public Review - JSR 341 and Java EE 7 Moving Along

  - by arungupta

  Following closely on the lines of EL 3.0 Early Draft, the specification is now available for a Public Review. The JCP2 Process Document defines different stages of the specifications. This review period closes Jul 30, 2012. Some of the main goals of the JSR are to separate ELContext into parsing and evaluation contexts, adding operators like equality, string concatenation, etc, and integration with CDI. The section A.7 of the specification highlights the difference between Early Draft and Public Review. Download the Public Review and and follow the updates at el-spec.java.net. For more information about EL 3.0 (JSR 341), check out the JSR project on java.net. The archives of EG discussion are available at jsr341-experts and you can subscribe to the users@el-spec and other aliases on the Mailing Lists page.

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• Oracle Solaris Studio Express 6/10 and its Customer Feedback Program are now available

  - by pieter.humphrey

  Oracle Solaris Studio Express 6/10 and the Customer Feedback Program for it are now available. Oracle Solaris Studio Express 6/10 is available on Solaris 10 (SPARC, x86), OEL 5 (x86), RHEL 5 (x86), SuSE 11 (x86) today and will be available for OpenSolaris in the near future. New feature highlights since the last release include: C/C++/Fortran compiler optimizations for the latest UltraSPARC and SPARC64-based architectures such as UltraSPARC T2 and SPARC64 VII C/C++/Fortran compiler optimizations for the latest x86 architectures including the Intel Xeon 7500 processor series (Nehalem-EX) and the Intel Xeon 5600 processor series (Westmere-EP) Enhanced debugging and code coverage tooling Improved application profiling with the Performance Analyzer Updated IDE based on NetBeans 6.8 To find more information and download go to http://developers.sun.com/sunstudio/downloads/express/ To participate in the customer feedback program for Oracle Solaris Studio Express 6/10 go to http://developers.sun.com/sunstudio/customerfeedback/index.jsp Please get the word out, try out this new release and send us your feedback! Technorati Tags: developer,development,solaris,sparc,Oracle Solaris Studio,Solaris Studio,Sun Studio,oracle,otn del.icio.us Tags: developer,development,solaris,sparc,Oracle Solaris Studio,Solaris Studio,Sun Studio,oracle,otn

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• Sept 25th - SharePoint 2013 talk in Arendal, Norway

  - by Sahil Malik

  SharePoint 2010 Training: more information I am thrilled to be talking about SharePoint 2013 in Arendal, Norway over an informal user group get together. Thanks to a Doorway and Sevan Marine for making this happen, and thanks to Asplan Viak for presenting a real world implementation called "Oh behave!" I mean! Beehive :). Here is the agenda, 1800 - 1815 Welcome, the user group - a bit to bite into1815 - 1930 Sahil Malik: SharePoint 2013 - what's new? How do we get there? What challenges will we face?1930 - 2000 Asplan Viak presents their SharePoint Solution – Beehive When and Where: 1800hrs at Kittelsbuktveien 5 Read full article ....

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• Can Kind People Finish First?

  - by Oracle Accelerate for Midsize Companies

  by Jim Lein, Oracle Midsize Programs In an earlier post, I expressed my undying love for KIND Snacks' products. This month's Oracle Profit magazine features an interview with KIND Healthy Snacks Founder and CEO Daniel Lubetzky entitled "Better Business". Lubetzky expresses his vision for making KIND a "not for profit only" company.  All great companies start with a good idea. In this case, that one great idea was to offer a healthy snack with ingredients you can "see and pronounce". That's one of things I really like about this company--that coupled with the fact that their snacks taste great. They compete in an over crowded playing field but I've found that it's rare to find an energy snack that both tastes good and is good for you.  A couple of interesting facts I learned from reading this article: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} 9 out of 10 consumers who try a KIND bar will purchase a KIND product again and recommend it to others KIND has the highest Net Promoter Score among the top 10 brands in the nutritional bar category (I confess I've never heard about this rating before but now that I have it's pretty cool) KIND's coporate mantra, "Do the Kind Thing" both encourages people to do random acts of kindness and provides easy mechanisms for doing so. Not coincidentally, I think, KIND is indeed a story about how nice guys can finish first. KIND has doubled in size every year for the last ten  years and now employees over 300 people, with sales exceeding $120M annually. Growth Applies Pressures One thing I know for certain from interacting our with fast growing customers over the last fifteen years is that growth applies myriad pressures across the organization--resources, processes, technology systems, and leadership agility. And it's easy to forget that Oracle was once an entrepreneurial startup and experienced all those same pressures that other growing companies are experiencing today. When asked by Profit Editor in Chief Aaron Lazenby, " What sort of pressure does KIND"s growth and success place on operations?", Lubetzky responded, "We have a demand planning process right now that is manual to a significant extent, and it just takes so much management time. It takes us days and sometimes weeks to produce information that is critical to our business—and by the time we get the results, we need revised data. Our sales leadership could go out selling, but instead they’re talking to our team about forecasts." Hitching Your Wagon to Oracle Lubetzky and his team selected Oracle for what I believe is our company's greatest strength: hitch your wagon to Oracle and you can trust that we will be there for the long run with the solutions you need and financial staying power. In Lubetzky's words, "The KIND philosophy requires you to have a long-term view of things; taking shortcuts may be the fastest way to get things done, but in the long term that can come back and bite you. Oracle is the type of company—and has the kind of platform—that is here for the long term. It’s not going to go away tomorrow. And Oracle is going to invest all the necessary resources into staying ahead of the game and improving." o next time you're in the supermarket or an REI (my favorite store in the world) or any of the other 80,000 locations that carry KIND, give one a try. Maybe some day you'll want to become a KIND Brand Ambassador.   Looking for more news and information about Oracle Solutions for Midsize Companies? Read the latest Oracle for Midsize Companies Newsletter Sign-up to receive the latest communications from Oracle’s industry leaders and experts Jim Lein I evangelize Oracle's enterprise solutions for growing midsize companies. I recently celebrated 15 years with Oracle, having joined JD Edwards in 1999. I'm based in Evergreen, Colorado and love relating stories about creativity and innovation whether they be about software, live music, or the mountains. The views expressed here are my own, and not necessarily those of Oracle.

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• Oracle University Nouveaux cours (Week 42)

  - by rituchhibber

  Nouveaux cours Parmi les nouveautés d'Oracle Université de ce mois-ci, vous trouverez : Database Oracle Enterprise Manager Cloud Control 12c: Install & Upgrade (Training On Demand) MySQL Performance Tuning (Training On Demand) Fusion Middleware Oracle GoldenGate 11g Fundamentals for Oracle (4 days) Oracle WebCenter Content 11g: Site Studio Essentials (5 days) Oracle WebCenter Portal 11g: Build Portals with Spaces (3 days) Business Intelligence Oracle BI 11g R1: Create Analyses and Dashboards (4 days) SOA & BPM SOA Adoption and Architecture Fundamentals (3 Days) eBusiness Suite R12 Oracle Using and Maintaining Approvals Management - Self-Study Course R12 Oracle HRMS Advanced Benefits Fundamentals - Self-Study Course WebLogic Oracle WebLogic Server 11g: Monitor and Tune Performance (Training On Demand) Oracle WebLogic Server 11g: Administration Essentials Self-Study Course (in French) Financial Oracle Project Financial Planning 11.1.2: Create Projects ( 3 days) Tuxedo Oracle Tuxedo 12c: Application Administration (5 days) Java Java SE 7: The Platform Evolves - Self-Study Course Primevera Primavera Client/Server Partner Trainer Course - Self-Study Course Primavera Progress Reporter 8.2 - Self-Study Course Contacter l' équipe locale d' Oracle University pour toute information et dates de cours.

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• Skype support and dead parrot sketches

  - by Greg Low

  We as an industry have a lot to answer for. One thing is the level of support provided for users. Here's the conversation I'm having with Skype right now. It feels like being in a Monty Python skit. I was really hoping that when Microsoft purchased Skype that things might improve. 8:33:44 PM greglowInitial Question/Comment: Subscriptions (Unlimited Country, Unlimited Europe, Unlimited Region, Unlimited World)8:33:44 PM SystemThank you for contacting Skype Customer Support!8:33:49 PM SystemDonna Faye has joined this session!8:33:50 PM SystemConnected with Donna Faye8:33:50 PM SystemThank you for contacting Skype Customer Support!8:33:54 PM SystemPlease hold for the next available Live Support Agent.8:33:59 PM Donna FayeHello! Welcome to Skype Live Support! My name is Donna L. How may I help you?8:34:09 PM greglowI've got a subscription (skypename greglow)8:34:21 PM greglowIt's set to auto-renew8:34:45 PM greglowWhy have I been getting messages about my Skype number expiring, if it's set to renew automatically8:34:54 PM greglowand has recently renewed automatically8:35:09 PM Donna FayeThank you for the information.8:35:29 PM Donna FayeTo better assist you may I know your Skype name, please?8:35:37 PM greglowgreglow8:35:44 PM Donna FayeThank you.8:36:14 PM Donna FayeI understand your concern that you receive an email notification stating that your calling subscription will about to expire. Am I right?8:36:43 PM greglowNo, I got an email telling me that one of my Skype numbers was going to expire8:37:08 PM greglowWhen I went to the website, it said it was part of the subscription and the subscription was set to auto-renew8:37:18 PM greglowThe subscription auto-renewed on Oct XXth8:37:24 PM greglowBut the number still expired8:37:43 PM greglowWhen I logged on today, it said that the number had expired and that I had 52 days left to reactivate it8:37:58 PM greglowI did that but am trying to understand why that happens at all8:38:36 PM greglowWhy do you expire numbers that are part of auto-renewing subscriptions?8:39:49 PM Donna FayeUpon checking your account, your calling subscription link to three Online Numbers.8:39:55 PM greglowcorrect8:40:10 PM greglowbut until an hour or so ago, one of them had expired. why?8:40:54 PM Donna FayeLet me explain to you that now Online Number are detach to a calling subscription unlike before it was attach to the calling subscription so therefore each Online Number will recur individually.8:41:29 PM Donna FayeUpon checking your account it shows that all your Online Number will expire on October XX, 20138:41:44 PM Donna FayeIf you don't want to be charged again for you can cancel it anytime.8:41:59 PM greglowI have set it to charge automatically8:42:06 PM greglowso why do the numbers expire?8:42:32 PM Donna FayeNo they are not expired they are all active.8:42:33 PM greglowif there is an automatic payment set up, why does anything expire?8:42:52 PM greglowyes, but one of them was expired, and I only fixed it a few hours ago8:43:07 PM greglowI'm trying to understand why it expired8:44:54 PM Donna FayeThe email you got just notify you that you should have good enough funding source of your calling subscription and Online Number in order for this to recur.8:45:12 PM greglowAgreed. I did that but the number still expired. Why?8:45:38 PM Donna FayeHowever do not worry on this hence all Online Number are active and not expired.8:45:41 PM greglowWhen I logged on today it said that the number had expired and that I had 52 days left to reactivate it. Why did that happen?8:46:14 PM Donna FayeMay I know the Online Number you are pertaining, please?The number that had expired was (07) XXXX XXXX (Australia)8:49:19 PM Donna FayeOkay, do not worry on this Online Number because this will expire on October XX, 2013.8:49:38 PM Donna FayeThank you for all the information.8:49:46 PM greglowI understand that it won't expire now until next year. I'm trying to understand why it stopped working this time8:49:51 PM greglowso I can avoid that next time8:50:39 PM Donna FayeWhat do yo stop working, you mean that Online Number is unable to be reach out?8:50:59 PM Donna Faye*what do you mean by stop working8:51:18 PM greglowThe Skype number +61 7 XXXX XXXX stopped working because it expired8:51:32 PM Donna FayeNo, this into expired.8:51:34 PM greglowI'm trying to understand why it expired8:51:50 PM greglowSorry I don't follow "this into expired"8:52:39 PM Donna FayeLet me inform you that this Online Number is not expired.8:52:54 PM Donna FayePlease disregard the notification you see on your Skype account.8:53:02 PM greglowSorry, this is getting very frustrating. I already told you I fixed it today. I want to know why it happened.8:53:20 PM Donna FayeHence I can rest assured you that this is active until October XX, 2013.8:53:21 PM greglowSo I can avoid it happening again, on this account, or on our other accounts8:53:34 PM greglowCan I speak to someone who really understands this please?Donna FayeSkype send a notification to Skype users for their Skype product in order for them to be aware the expiration of your product however your Online Number still active on your account hence when your calling subscription Unlimited World recur your Online Number also recur. 8:57:59 PM Donna Faye I do apologize for this matter, please allow me to resolve this issue for you. 9:02:48 PM greglow My question is still the same: if it's set to auto-pay, why did it expire? 9:03:50 PM greglow Why did it stop working? Why did I have to "reactivate" it? 9:04:08 PM greglow Why didn't it just keep working if it's set to auto-pay? 9:04:30 PM greglow This isn't a difficult concept 9:04:34 PM Donna Faye Let me clarify to you that this is not the really expired what is emphasizing on this is when you don't have good enough funding source when you calling subscription recur the Online Number will possibly expired but seem that you have a good funding source then this will continue until 2013. 9:05:10 PM greglow When I logged on today, it was not working, and your website said it had expired and that I had 52 days left to reactivate it 9:05:17 PM greglow Why?and so on, and so on, and so on.... 

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• Developer Webinar Toay:"Publishing IPS PAckages"

  - by user13333379

  Oracle's Solaris Organization is pleased to announce a Technical Webinar for Developers on Oracle Solaris 11: "Publishing IPS Packages" By Eric Reid (Principal Software Engineer) today June 19, 2012 9:00 AM PDT This bi-weekly webinar series (every other Tuesday @ 9 a.m. PT) is designed for ISVs, IHVs, and Application Developers who want a deep-dive overview about how they can deploy Oracle Solaris 11 into their application environments. This series will provide you the unique opportunity to learn directly from Oracle Solaris ISV Engineers and will include LIVE Q&A via chat with subject matter experts from each topic area. Any OTN member can register for this free webinar here.  Today's webinar is a deep dive into IPS. The attendees of the initial IPS webinar asked for more information around this topic. Eric Reid who worked with leading software vendors (ISVs) to migrate Solaris 10 System V packages to IPS will share his experience with us. 

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• Workflow Overview & Best Practices - EMEA

  - by Annemarie Provisero

  ADVISOR WEBCAST: Workflow Overview & Best Practices - EMEA PRODUCT FAMILY: EBS - ATG - Workflow   February 16, 2011 at 10:00 am CET, 02:30 pm India, 06:00 pm Japan, 08:00 pm Australia This 1.5-hour session is recommended for technical and functional Users who are interested to get an generic overview about the Tools and Utilities available to get a closer look into the Java Virtual Machine used in an E-Business Suite Environment and how to tune it. TOPICS WILL INCLUDE: Introduction of Workflow Useful Utilities and Tools Best Practices Q&A A short, live demonstration (only if applicable) and question and answer period will be included. Oracle Advisor Webcasts are dedicated to building your awareness around our products and services. This session does not replace offerings from Oracle Global Support Services. Click here to register for this session ------------------------------------------------------------------------------------------------------------- The above webcast is a service of the E-Business Suite Communities in My Oracle Support.For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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• Hardware Compatibility

  - by thebradnet

  I am looking into buying a LENOVO RD330 SERVER with a ThinkServer RAID 500 Adapter II RAID controller. I am having problems finding out if all of the hardware that I am wanting will be compatible with Ubuntu. I have check the "Certified Hardware" list but the list is very limited. Both the computer and the RAID controller say they support RedHat and Suse but obviously Ubuntu isn't mentioned. I have talked with my vendor and they also not certain if this hardware will work. I have also Google around and the RAID controller appears to be an LSI chipset. But again I haven't been able to find any definitive information saying that this will work. Any suggestions on how I can find out if the hardware will work?

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• Server-side Input

  - by Thomas

  Currently in my game, the client is nothing but a renderer. When input state is changed, the client sends a packet to the server and moves the player as if it were processing the input, but the server has the final say on the position. This generally works really well, except for one big problem: falling off edges. Basically, if a player is walking towards an edge, say a cliff, and stops right before going off the edge, sometimes a second later, he'll be teleported off of the edge. This is because the "I stopped pressing W" packet is sent after the server processes the information. Here's a lag diagram to help you understand what I mean: http://i.imgur.com/Prr8K.png I could just send a "W Pressed" packet each frame for the server to process, but that would seem to be a bandwidth-costly solution. Any help is appreciated!

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• Unable to add host running ubuntu for nagios monitoring?

  - by karthick87

  I am unable to add ubuntu server in nagios monitoring. I am getting "CHECK_NRPE: Socket timeout after 40 seconds." error for few services "CPU Load, Cron File Check, Current Users, Disk Check, NTP Daemon, Time Check, Total Processes, Zombie Processes". Please find the snapshot for the same below, Details: Installed nrpe plugin in ubuntu host. On running the below command from remote host running ubuntu (not nagios server) am getting the following output, root@ubuntu-cacher:~# /usr/local/nagios/libexec/check_nrpe -H localhost NRPE v2.13 But in nagios server i am getting "CHECK_NRPE: Socket timeout after 40 seconds." error. Additional Information: Am running nrpe under xinetd, when i execute the following command i dont get any output, root@ubuntu-cacher:~# netstat -at | grep nrpe But getting the following output when checking, root@ubuntu-cacher:~# netstat -ant|grep 5666 tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN tcp 0 0 172.29.*.*:5666 172.29.*.*:33693 ESTABLISHED tcp 0 0 172.29.*.*:5666 172.29.*.*:33692 ESTABLISHED

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• What is a generalized form creator that runs on .NET / Windows?

  - by Josh

  At the institution that I'm at, we've been looking for web applications that enable users to create and deploy their own forms. Similar applications are Wufoo, and google forms. Unfortunately, those solutions will not work for us, because we are required to host all data and information on our own servers. I've found a few solutions that are written in PHP, but at this point, it doesn't appear that this is acceptable. I've tried searching for ".net form creator" but unfortunately, when you search for ".net forms" you get a lot of results relating to created asp.net webforms, which is not what we're looking for at all. I've been told that finding a solution that runs on .NET and windows servers with either Oracle or MSSQL databases would be much more acceptable. I've found a few, but they are open source, and the IS Security people are not kind to those solutions, despite my attempts to show otherwise. If anyone knows of some solution out there, I would greatly appreciate you passing on the names of those applications!

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• How can I test if my rotated rectangle intersects a corner?

  - by Raven Dreamer

  I have a square, tile-based collision map. To check if one of my (square) entities is colliding, I get the vertices of the 4 corners, and test those 4 points against my collision map. If none of those points are intersecting, I know I'm good to move to the new position. I'd like to allow entities to rotate. I can still calculate the 4 corners of the square, but once you factor in rotation, those 4 corners alone don't seem to be enough information to determine if the entity is trying to move to a valid state. For example: In the picture below, black is unwalkable terrain, and red is the player's hitbox. The left scenario is allowed because the 4 corners of the red square are not in the black terrain. The right scenario would also be (incorrectly) allowed, because the player, cleverly turned at a 45* angle, has its corners in valid spaces, even if it is (quite literally) cutting the corner. How can I detect scenarios similar to the situation on the right?

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• Installing Microsoft VX1000 webcam

  - by KRistian

  I found a tutorial with people saying it works; here are the instructions I followed. I opened a shell as root on my system and launched the following: wget http://linuxtv.org/hg/v4l-dvb/archive/tip.tar.gz tar zxvf tip.tar.gz cd v4l... (whatever the newly created directory name is) make all sudo make install Then I edited /etc/modprobe.d/blacklist-custom and added blacklist sn9c102. After reboot, I launched sudo gstreamer-properties. However when I type tar zxvf tip.tar.gz it displays: tar: You may not specify more than one `-Acdtrux' or `--test-label' option Try `tar --help' or `tar --usage' for more information. Why? How can I do this? Thanks in advance.

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• Welcome to new blog!! Agile.NAV

  - by ssmantha

  I am quite ecstatic to announce a new blog, to which I am also a co-author. http://agilenav.wordpress.com. Agile.NAV brings in a vast amount of information of the work I did together with my colleague on bringing Microsoft Dynamics NAV under the hood of Team Foundation Server. For the past couple of years we have been working on creating development tools (more on integration side) for Microsoft Dynamics NAV which includes, Version Control, Automated Build system and our new automation testing integration with Dynamics NAV 2013. To start of with we got very good initial responses from community’s distinguished members like Luc van Vugt (see here). The idea is to drive the shift in mind-set for the Microsoft Dynamics NAV developer community. We share the same passion as people like Luc, about creating software in a professional manner.

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• Fedora login gone after Ubuntu updates on a dual boot

  - by andrew

  After a software update for Ubuntu, my dual boot with Fedora will not show Fedora in the start menu. It just boots into Ubuntu and when I hold Shift and boot, it only has Ubuntu in the list. I have tried the post about installing grub-customizer but when I run that, I get Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package grub-customizer I cannot find any other way to fix this problem. I am a complete newbie to Linux.

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• How to remove the graphical user interface?

  - by Praveen Kumar

  Ok my question is that, I want to run a heavy application, on a Virtual Machine (VirtualBox) with just 2 GB RAM (Windows 7 32Bit Host has 4 GB, 3.5 GB effective). Initially I thought of installing Ubuntu Server 12.04.1, which doesn't come with a GUI, so I thought it would be efficient in performance, but I have only Ubuntu 12.04 Desktop. My question is, is it possible to remove the GUI parts in Ubuntu 12.04 Desktop (Not Server), keeping only the core OS, after installation in a virtual machine? Or, is there anyway to improve the performance of the OS? If you need more information, I am ready to provide. I don't want the GUI or anything, even a small terminal window is fine for me, I can access files through FTP.

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• Lubuntu 12.04 installation trouble

  - by Evaggelos Tsampazis

  I have i problem! I can't install the Lubuntu 12.04 on my old pc. I only get to the point where I have entered all the needed information (hard drive, username, password etc). When the installation wizard is starting to copy files from the cd to the hard drive, I get after about one minute a blank sreen with only themouse cursor! I can move the mouse cursor but the whole procegure is stoped! Nothing happens after that! My PC: Compaq Pressario 7000 Pentium III 933 MHz 768 MB RAM Any idea how to solve it?? Thanks!!!

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• 2D SAT How to find collision center or point or area?

  - by Felipe Cypriano

  I've just implemented collision detection using SAT and this article as reference to my implementation. The detection is working as expected but I need to know where both rectangles are colliding. I need to find the center of the intersection, the black point on the image above. I've found some articles about this but they all involve avoiding the overlap or some kind of velocity, I don't need this. I just need to put a image on top of it. Like two cars crashed so I put an image on top of the collision. Any ideas? ## Update The information I've about the rectangles are the four points that represents them, the upper right, upper left, lower right and lower left coordinates. I'm trying to find an algorithm that can give me the intersection of these points.

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• What was the first consumer-oriented hardware/software solution?

  - by Maksee

  We all know the story of the personal computer as a consumer-oriented product. But I just thought that real end user solution should have appeared before that time. So a product that was probably expensive, but allowed using it as a service charging for it, for example computer-terminal for transport time-table access or game machine. On the other site, the video terminals as we know them appeared not so long ago. So if there was something like this, this could be hardware/software most likely offering no interactivity, but probably printing some information based on user actions.

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• Why Oracle Retail Merchandise Operations Management?

  - by user801960

  Lara Livgard, Director of Oracle Retail Strategy, explains why retailers should choose Oracle Retail Merchandise Operations Management (MOM), sharing the benefits of the solutions and showcasing customer examples. MOM is a highly proven solution supporting over 275 live customers across the world across a range of vertical markets, through its flexible, modular architecture. The robust functionality and scalable nature of the MOM solutions provide the platform to support retail growth through acquisitions, international expansion and the addition of new formats, assortments and channels. Access this video on our YouTube Channel. Take a look at the Oracle Retail website for more information on Merchandise Operations Management.

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• Understanding how to create/use textures for games when limited by power of two sizes

  - by Matthias Reisner

  I have some questions about the creating graphics for a game. As an example. I want to create a motorbike. (1pixel = 1centimeter) So my motorbike will have 200 width and 150 height. (200x150) But the libgdx only allows to load sizes with the power of 2?! (2,4,8,16,...) First I thought about that way. I will create my bike with the size (200x150) and save it as png. Than I will open it again (e.g. with gimp) resize the image to a size which uses values with power of 2 (128x128). I will load that as texture in the programm and set width as 200 and height as 150. But wouldn't it be a problem? Because I will lose some pixel information when I make the first conversation.?! Isn't it?

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