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• New Exam Score Report Process Coming Soon

  - by Paul Sorensen

  Hi Everyone! I want to give you a preview of a process change that will be coming in the next few weeks. We will soon announce a change in the way that Oracle certification candidates receive their exam scores and score reports (after they take an exam). Once the change occurs you will need to have an Oracle Web Account (in order to access your exam score). This is the account that is used to log into the Oracle website for things such as OTN access, software downloads and other Oracle services. If you already have an Oracle Web Account then you are already in good shape! If you do not have an Oracle Web Account the you should create one now (in preparation for this change)!  Look for additional announcements and detailed information in the coming weeks. Thanks,

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• Can't convert .iso to .img on iMac G5

  - by user89004

  So I'm trying to create a bootable USB stick in order to install Ubuntu 12.04.1 on my iMac G5 running Mac OS X 10.4.11 but whenever I try to convert the downloaded .iso file into a .img, the .img.dmg file that the terminal creates just suddenly dissapears no matter where I select the output file to be. I tried hdiutil convert -format UDRW -o /path/to/target.img /path/to/ubuntu.iso and also hdiutil convert /path/to/ubuntu.iso -format UDRW -o /path/to/target.img but the exact same thing happens. I tried becoming root before I do all of this with sudo su but I still get the same results. The totally weird thing is that it works perfectly with Ubuntu Minimal .iso files. Could it be that the .iso I downloaded is corrupt?

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• Best tool to recover removed files

  - by plua

  Using Ubuntu 10.10, I have a startup script that automatically removes my 'working directory'. This is a simple folder on my Desktop where I place a bunch of files that I use throughout the day. These are temporary files I need to store just for that one session. In order to keep things clean, my startup script does: rm -rf /home/user/Desktop/workdir mkdir /home/user/Desktop/workdir Works great. Till the moment I had some important files there and forgot to move them before shutting down. A few (2-3) sessions ago this happened and I now realize I need to recover the "workdir" directory. But several new ones have been created and removed in the meantime. What is the best way to recover this - if possible? I read about tools like scalpel but it seems they will scan my whole HD. I know the name of the folder and would like to just look for this workdir folder. What is best?

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• BlueStacks Android App Player Now Available for Macs

  - by Jason Fitzpatrick

  Last year we showed you how to setup BlueStacks on your Windows machine in order to enjoy Android apps on your PC desktop; now BlueStacks is available for Mac OS X with that same cross-platform Android goodness. The Mac version functions much the same as the PC version, if you’re interested in the Mac version be sure to check out our detailed guide to setting up the PC version. BlueStacks for Mac [via TUAW] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• The Art of Motion Capture [Video]

  - by Jason Fitzpatrick

  Motion capture is the process of using cameras and actors wearing special suits in order to build realistic and fluid foundations for CGI characters. Watch this informative video to see how the process works. Courtesy of the video series Good Job, a series focused on interesting jobs within the film and video game industry, we see how martial artists wearing special suits dotted with LEDs generate the basic framework for the fighters in the popular video game series Tekken. [via Neatorama] HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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• How can I ensure our project gets developed successfully, without having any project management experience? [migrated]

  - by Raven13

  I'm a web developer who is part of a three-man team that has been tasked with a rather large and complex development project. Other than some direction and impetus from management, we're pretty much on our own to develop the new website. None of us have any project management experience nor do my two coworkers seem like they would be interested in taking on that role, so I feel like it's up to me to implement some kind of structure to the development process in order to avoid issues down the road. What can I do as a developer without project management experience to ensure that our project gets developed successfully and avoid the pitfalls of developing a project without a plan?

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• What are other ideologies to establish relationships between distinct users besides followers/following and friends?

  - by user784637

  Websites like myspace and facebook establish relationships between distinct users using the "friending" ideology, where one user sends a request to be accepted by another user in order for them to have the mutual permission to do stuff like post messages on each others walls. Less restrictive than the "friending" ideology, Twitter and instagram use the followers/following ideology where you can subscribe to the tweets or posts of another user without their permission. Less restrictive than the "followers/following" ideology, email and calling someone on the phone allows you to directly contact anyone. Are there other ideologies that have been successfully implemented either in social networking sites or other real world constructs to establish relations between users?

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• How do you handle measuring Code Coverage in JavaScript

  - by Dancrumb

  In order to measure Code Coverage for JavaScript unit tests, one needs to instrument the code, run the tests and then perform post-processing. My concern is that, as a result, you are unit testing code that will never be run in production. Since JavaScript isn't compiled, what you test should be precisely what you execute. So here's my question, how do you handle this? One thought I had was to run Unit Testing on the production code and use that for my pass fail. I would then create a shadow of my production code, with instrumentation and run my unit tests again; this would give me my code coverage stats. Has anyone come across a method that is a little more graceful than this?

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• CUDA instructions ask to stop GDM but it doesn't exist

  - by Gabs

  I am trying to install and run some CUDA exemples in Ubuntu 12.04. First of all, I downloaded all .run files from http://developer.nvidia.com/cuda-downloads, then followed the instructions at http://developer.nvidia.com/nvidia-gpu-computing-, until I got hung up on the first step: Exit the GUI if you are in a GUI environment by pressing Ctrl-Alt-Backspace. Some distributions require you to press this sequence twice in a row; others have disabled it altogether in favor of a command such as sudo /etc/init.d/gdm stop . Still others require changing the system runlevel using a command such as /sbin/init 3 to exit the GUI. When I type the command sudo /etc/init.d/gdmstop, it returns: gdm command not found Can anybody help me exit my GUI in order to continue? Thank you in advance.

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• Make blogger load faster

  - by Wladimir Ivanov

  all. I use blogger as a platform for electronic music blog. Because of the thematics of the blog I embed many iframes (Youtube & Soundcloud). Of course this makes the articles to load slow. Almost each article on this blog consists of some text and many iframes below. What should I do in this particular case in order to make the articles (pages) load faster. Is there any available solution or I should use some jquery like lazy load to load iframes once the scroller reaches them? Any help is greatly appreciated.

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• Boot Ubuntu from a bootable USB hangs on purple screen

  - by user210946

  I recently bought a laptop (Lenovo Y410P) with Windows 8 pre-installed and I'm trying to dual boot Windows 8 and Ubuntu 13.0. I created a bootable usb using Pendrive. Then I changed the Boot Mode to Legacy Support and the boot order so it boots from the flash storage first. When I restarted the computer, I got the error message "SYSLINUX 4.06 EDD 2012-10-23 Copyright (c) 1994-2012 H. Peter Anvin et al" and it just hung there. Fair enough. After some googling I formatted my flash drive in FAT format instead of FAT32. The "SYSLINUX..." error message is gone but now it hangs on a purple screen http://imgur.com/WbdXpZN Does anyone have a suggestion what to do here? I've looked at various posts but none of them seems to have a solution that the author confirmed it worked.

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• Looking for information on Scholastic BASIC programming books from the mid-1980s

  - by Jason Berkan

  My very first introduction to programming was in grade school, when I would purchase books full of BASIC code listings from the Scholastic school catalogue. Lately I have been searching teh Internetz for information on these books, but without any success. Does anyone know or remember anything about these books? All I can recall is that they were large paperbacks full of various BASIC code listings, some of which were game like. They all included instructions on how to modify the code listings for the different systems of the day, and I distinctly remember that they would always ask for a number in order to seed the RANDOMIZE command (since I figured out on my own that RANDOMIZE TIMER eliminated the need for the question and answer).

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• Drawing of a huge model - How to regain performance?

  - by marc wellman

  I have a huge model I want to draw in my XNA application but because of its size I am experiencing a tremendous loss of performance. The model has about ~50 000 000 edges and has a size on disk of 205 MB in DirectX Format. Please don't ask whether this model has to be that big - yes it has! Is there a way to transfer the model directly to my GPU in order to let the GPU do the drawing like when transferring a VertexBuffer like this: graphicsDevice.Vertices[1].SetSource(_instanceBuffers[i], 0, _sizeofMatrix); because when I try to fill a vertexBuffer with all the vertices I am getting a OutOfMemoryException.

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• ASP.NET Membership - Change password without asking the old (WITH Question and Answer)

  - by djsolid

  I have received many comments and questions about how you can do what is described in this post when you site requires question and answer. The solution is definiterly not the best and should be used with EXTREME caution because in a high traffic website can cause problems but I write it down anyway. We will use reflection in order to solve our problem. And this is the code But this code changes the only instance of MembershipProvider meaning if you access somewhere else from your application the property RequiresQuestionAndAnswer until you set back it’s original value you will get false instead of true. So again be VERY careful. Hope you find it useful!

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• Mouse Not Working on Boot

  - by user88043

  I have seen several topics regarding this situation, but none of them truly address my issue (that, or there are no answers that solve the issue.) Upon booting into Ubuntu 12.04.1 x64 my mouse wired USB mouse (Steelseries Sensei if that makes any difference) either doesn't work or stops working immediately after the grub menu, prior to the login screen appearing. The cursor is present, but obviously not reactive to any mouse movement; even the LED on my mouse turns off (or fails to turn on.) The only way I've found to activate the mouse is to restart the computer, and even then it's 50/50 at best as to whether or not the mouse will be powered. This issue has never happened in Windows 7, so the mouse is operating properly on the hardware and connection side. Forgive my ignorance of Ubuntu (and Linux in general), but I was hopeful that someone would have some suggestions, or could at least instruct me on what to check in order to provide any further information for diagnoses.

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• Getting Windows Azure SDK 1.1 To Talk To A Local DB

  - by Richard Jones

  Just found this, if you’re using Azure 1.1,  which you probably will be if yo'u’ve moved to Visual Studio 2010. To change the default database to something other than sqlexpress for Development Storage do this - Look at this - http://msdn.microsoft.com/en-us/library/dd203058.aspx At the bottom it states -   Using Development Storage with SQL Server Express 2008 By default the local Windows Group BUILTIN\Administrator is not included in the SQL Server sysadmin server role on new SQL Server Express 2008 installations.  Add yourself to the sysadmin role in order to use the Development Storage Services on SQL Server Express 2008.  See SQL Server 2008 Security Changes for more information. Changing the SQL Server instance used by Development Storage By default, the Development Storage will use the SQL Express instance.  This can be changed by calling “DSInit.exe /sqlinstance:<SQL Server instance>” from the Windows Azure SDK command prompt.

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• Juju bootstrap fails to start network on local environment

  - by Amith KK

  I've followed the instructions at https://juju.ubuntu.com/CharmSchool and rebooted 5 times...... I cant seem to do a juju-bootstrap (local) This is the output: amith@amith-desktop:~$ juju bootstrap 2011-11-24 17:08:05,708 INFO Bootstrapping environment 'local' (type: local)... 2011-11-24 17:08:05,710 INFO Checking for required packages... 2011-11-24 17:08:06,593 INFO Starting networking... error: Failed to start network default error: internal error Child process (dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override) status unexpected: exit status 2 Command '['virsh', 'net-start', 'default']' returned non-zero exit status 1 2011-11-24 17:08:07,217 ERROR Command '['virsh', 'net-start', 'default']' returned non-zero exit status 1 Is there any fix at all?

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• How to manage permissions on a shared volume for OSX and ubuntu

  - by gentmatt

  On my mac I'm using an unjournaled HFS partition to share files between OSX 10.8 and Ubuntu 12.04. It was a nice thought at first, because Time Machine will automatically backup the volume in OSX, but I soon noticed that OSX and Ubuntu mess with the permission in a way that makes things messy for me. So, in order to fully view and change files, I keep using chmod to apply permissions that which will allow me to fully use a document. But I don't understand why I have to keep applying changes over and over. Is possible to set some kind of permission permanently so that both operating systems will respect permanently? I guess 777 will work, but I thought that this is not a smart thing to do. But as long as 'others' does not get full access (third seven), I see a lock icon on the file in ubuntu.

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• HTML Canvas: Should my app x, y values be global?

  - by Joe

  I have a large file of functions. Each of these functions is responsible for drawing a particular part of the application. My app has x and y parameters that I use in the setup function to move the whole app around in order to try different placements. So, naturally, I need to use these x and y values to anchor each function's component rendering so that everything moves in unison if the global x,y values ever change. My question is, is it bad practice/architecture to have these x,y values in the global namespace and having the each function directly access them like so? function renderFace() { var x = App.x; var y = App.y; // drawing here } is there a better way i'm missing?

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• Enterprise Trade Compliance: Changing Trade Operations around the World

  - by John Murphy

  We live in a world of incredible bounty and speed where any product can be delivered anywhere on earth. However, our world is also filled with challenges for business – where volatility, uncertainty, risk, and chaos are our daily companions. To prosper amid the realities of this new world, organizations cannot rely on old strategies; they need new business models. Key trends within the global economy are mandating that companies fully integrate global trade management best practices within broader supply chain management strategies, rather than simply leaving it as a discrete event at the end of the order or procurement cycle. To explain, many companies face a complicated and changing compliance environment. This is directly linked to the speed and configuration of the supply chain, particularly with the explosion of new markets, shorter service cycles and ship times, accelerating rates of globalization and outsourcing, and increasing product complexity and regulation. Read More...

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• How can I add the version of a file to the file name with Tortoise-SVN?

  - by Eric Belair

  I would like to start giving unique names to "cache-able" files - i.e. *.css and *.js - in order to prevent caching, without requiring changes to the web-server settings (as is currently done in IIS). For instance, let's I have a JavaScript file called global.js. Going forward I would like it to have the name global.123.js when revision 123 is checked in. This would also require the following: The previous version of the file - perhaps it was global.115.js - is removed when the file is deployed. All references to the file are updated with the new file name How do I go about doing this? What concerns do I need to consider?

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• Keeping It Real With Microsoft Office: Asking Questions About Solution Design

  I just finished a whirlwind swing through Amsterdam, The Hague, Antwerp, and finally Vienna Austria. I've already blogged about the first three cities, but this last one is the focus of this post. I went to Vienna mainly to meet with some customers in order to provide guidance around Office solutions and also to gather input and feedback. Most of my time on Friday 2 April was spent meeting with Rubicon, one of our Gold Partners based in Vienna. Thomas Kuhta, CEO for Rubicon, and his team including...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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• Connection manager detects network but won't connect

  - by Carson Chittom

  I've just installed 12.04 on my home desktop. Because of where it's located, in order not to have my children tripping over cat5 cable, I've got a cheap 802.11n USB device plugged in, which uses a Realtek 8192CU chip. The house wifi is protected with WPA2. Ubuntu's Network Manager detects the network, but connecting to it just times out and asks for the password again. I'm sure I'm using the correct password. No other computers on the house network are having any difficulty. This device previously worked correctly with both Windows 7 and OpenBSD in the same machine. The linux-firmware package is installed (from the disc) at version 1.79, and /lib/firmware/rtlwifi/rtl8192cufw.bin is present. dmesg|grep rtl only shows the "loading firmware" message. I've tried Google, but I apparently can't find the right set of words to plug in, because I haven't found anything related (lots of "doesn't work at all," but nothing matching my circumstances). Any help would be greatly appreciated.

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• SOA Galore: New Books for Technical Eyes Only

  - by Bob Rhubart

  In my part of the world the weather has taken its seasonal turn toward the kind of cold, damp, miserable stuff that offers a major motivation to stay indoors. While I plan on spending some of that indoor time working my way through the new 50th anniversary James Bond box set, I will also devote some time to improving my mind rather than my martini-mixing skills by catching up on my reading. If you're in a similar situation, you might want to spend some of your time  with these new technical books written by community members: Oracle SOA Suite 11g Administrator's Handbook by Ahmed Aboulnaga and Arun Pareek. Oracle BPM Suite 11g: Advanced BPMN Topics by Mark Nelson and Tanya Williams Oracle SOA Suite 11g Developer's Cookbook by Antony Reynolds and Matt Wright (Coming in December; available for pre-order).

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• Open Grid Engine or Akka/Something more fault tolerant?

  - by Mike Lyons

  My use case is that I have a pipeline of independent, stand alone programs, that I want to execute in a certain order on specific pieces of data that our output from previous pipeline stages. The pipeline is entirely linear and doesn't do anything in terms of alternate paths through the pipe. I'm currently using SGE to do this and it works OK, however occasionally a job will overstep it's memory bounds, fail, and all jobs that require that output data will fail. The pipe needs to be restarted in that case, and it seems that whatever is providing the fault tolerance in akka might solve that for me?

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