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• The History Of Operating Systems [Infographic]

  - by ETC

  Earlier this week we shared a history of operating system names with you. This infographic complements that with a timeline of quotes and facts from the annals of computer history. Hit up the link below to check out the full infographic. The History Of Operating Systems [MakeUseOf] Latest Features How-To Geek ETC Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 The History Of Operating Systems [Infographic] DriveSafe.ly Reads Your Text Messages Aloud The Likability of Angry Birds [Infographic] Dim an Overly Bright Alarm Clock with a Binder Divider Preliminary List of Keyboard Shortcuts for Unity Now Available Bring a Touch of the Wild West to Your Desktop with the Rango Theme for Windows 7

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• MySQL Connector/Net 6.8.0 alpha has been released

  - by Roberto Garcia

  Dear MySQL users, MySQL Connector/Net 6.8.0, a new version of the all-managed .NET driver for MySQL has been released. This is an alpha release for 6.8.x and it's not recommended for production environments.It is appropriate for use with MySQL server versions 5.0-5.6 It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloads and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.) The 6.8.0 version of MySQL Connector/Net has support for Entity Framework 6.0 including: - Async Query and Save- Code-Based Configuration- Dependency Resolution- DbSet.AddRange/RemoveRange- Code First Mapping to Insert/Update/Delete Stored Procedures - Configurable Migrations History Table- DbContext can now be created with a DbConnection that is already opened- Custom Code First Conventions The release is available to download at http://dev.mysql.com/downloads/connector/net/#downloads Documentation-------------------------------------You can view current Connector/Net documentation at http://dev.mysql.com/doc/refman/5.6/en/connector-net.html You can find our team blog at http://blogs.oracle.com/MySQLOnWindows You can also post questions on our forums at http://forums.mysql.com/ Enjoy and thanks for the support! Connector/NET Team

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• This Week in Geek History: Zelda Turns 25, Birth of the Printing Press, and the Unveiling of ENIAC

  - by Jason Fitzpatrick

  Every week we bring you interesting highlights from the history of geekdom. This week we take a look at The Legend of Zelda’s 25th anniversary, the Gutenberg press, and the unveiling of primitive super computer ENIAC. Latest Features How-To Geek ETC Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) Reclaim Vertical UI Space by Moving Your Tabs to the Side in Firefox Wind and Water: Puzzle Battles – An Awesome Game for Linux and Windows How Star Wars Changed the World [Infographic] Tabs Visual Manager Adds Thumbnailed Tab Switching to Chrome Daisies and Rye Swaying in the Summer Wind Wallpaper Read On Phone Pushes Data from Your Desktop to the Appropriate Android App

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• Working with Lightweight User Interface Toolkit (LWUIT) 1.4

  - by janice.heiss(at)oracle.com

  Vikram Goyal's informative and practical article, "Working with Lightweight User Interface Toolkit (LWUIT) 1.4," shows developers how to best take advantage of LWUIT 1.4. LWUIT is a user interface library designed to bring uniformity and cross mobile interface functionality to applications developed using Java Platform, Micro Edition (Java ME). Version 1.4 offers support for XHTML, multi-line text fields, and customization to the virtual keyboard.Goyal notes in the article that, "Perhaps the most important feature of this release is the ability for LWUIT to support XHTML. Specifically, it now supports XHTML MP (Mobile Platform) 1.0, a version of XHTML designed for mobile phones. To be even more specific, it now supports CSS styling for the HTMLComponent within the LWUIT library through Wireless Application Protocol CSS (WCSS)." Read the entire article here. 

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• What's the best practice for async APIs that return futures on Scala?

  - by Maurício Linhares

  I have started a project to write an async PostgreSQL driver on Scala and to be async, I need to accept callbacks and use futures, but then accepting a callback and a future makes the code cumbersome because you always have to send a callback even if it is useless. Here's a test: "insert a row in the database" in { withHandler { (handler, future) => future.get(5, TimeUnit.SECONDS) handler.sendQuery( this.create ){ query => }.get( 5, TimeUnit.SECONDS ) handler.sendQuery( this.insert ){ query => }.get( 5, TimeUnit.SECONDS ).rowsAffected === 1 } } Sending the empty callback is horrible but I couldn't find a way to make it optional or anything like that, so right now I don't have a lot of ideas on how this external API should look like. It could be something like: handler.sendQuery( this.create ).addListener { query => println(query) } But then again, I'm not sure how people are organizing API's in this regard. Providing examples in other projects would also be great.

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• Graphics on boot split into three sections

  - by a sandwhich

  I just installed 13.04 onto a new laptop because of the ease of install with the uefi bios. When I boot the system though, the screen is split into three sections each about 640x200 at the top of the screen, with the active terminal mirrored across them. Although I can login, startx fails due to something about a file. I have tried booting with vga=711 and normal nomodeset with no success. Booting the live usb I originally installed from results in the same issue. The graphics driver in the xorg.conf.something from what I can make out is set to vesa, but it could be set to some other four character value that is similar to vesa, hard to tell. How can I fix this? One thing to note, the laptop has two dedicated GT 750m's, along with the intel 4000 built into the processor. This is what it looks like, the purple box is what the grub2 menu was in before boot.

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• Why isn't my monitor's native resolution appearing as an option?

  - by Warren Pena

  I'm on a clean install of Ubuntu 10.04 LTS. My monitor's native resolution is 1280x1024. However, in the Monitor Preferences application, I am only presented with 640x480 and 800x600 as options. My video card is an on board Matrox G200eW. I tried installing the proprietary driver from Matrox's website, but the installer immediately throws four errors. I also tried using xrandr to set my resolution, but it simply pops back saying "Size 1280x1024 not found in available modes." How can I get 1280x1024 added to my available sizes to that I can switch to it?

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• Nucleus Research Note: Oracle's Focus on Usability in Fusion Applications

  - by mvaughan

  By Misha Vaughan, Applications User Experience I recently noticed that Nucleus Research Inc. released a research note summarizing their findings on Oracle Fusion Applications. It's always nice when an outside firm is savvy enough to acknowledge the value of a user experience strategy. When it is applied to what Oracle has done with Fusion Applications,  it's even more satisfying.  In the note, Nucleus states: "Based on the demos and testimonials from early adopters Nucleus has reviewed, Oracle has clearly focused on usability with in-application analytics and other smart application features.  "In Oracle Fusion Applications, Oracle has built not just transactional corporate applications where users enter and extract data, but smarter applications that driver user productivity." Read it for yourself here. Read more about the story behind Oracle's Fusion Applications User Experience here.

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• GNOME Shell Overview animation is slow on my NVIDIA 320M

  - by AllanCaeg

  I'm running Ubuntu 10.10 on my MacBook Air 11" (late 2010 model 3,1). Compiz runs fine, as well as most of GNOME Shell's animations. The animation for switching to and from GNOME Shell overview is just very slow. Unfortunately, it's the most common animation on Shell. I already applied cd ~/gnome-shell/source/gnome-shell curl http://bugzilla-attachments.gnome.org/attachment.cgi?id=157326 > shell-animations-nvidia.patch git am shell-animations-nvidia.pat that I found from http://live.gnome.org/GnomeShell/SwatList , but the issue's still here. How do I fix this? EDIT: Apparently, it's an NVIDIA driver bug, which has something to do with the message tray. Is this correct? How do I go around this issue?

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• Low graphics mode on Ubuntu 12.04 with Intel Graphics

  - by NightShadeQueen

  When I boot, my computer just tells me it can't detect graphic card (or something else) settings and it has to use the low graphics mode. Then it gives me four choices, but doesn't let me choose any of them. I can get my computer to boot by going to some sort of terminal mode and then typing sudo gdm. The other graphics manager I have is lightdm. I originally had the nVidia propriety driver, and I've tried bumblebee. Mobile Intel Graphics Media Accelerator 4500M is my graphics card. Is there any way to fix this so I can use lightdm again?

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• How Microwave Ovens Work [Video]

  - by Jason Fitzpatrick

  In this informative how-it-works video, we’re treated to a peek inside the common microwave and the science behind the magnetron that powers it. Bill details how a microwave oven heats food. He describes how the microwave vacuum tube, called a magnetron, generates radio frequencies that cause the water in food to rotate back and forth. He shows the standing wave inside the oven, and notes how you can measure the wavelength with melted cheese. He concludes by describing how a magnetron generates radio waves. [via Make] 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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• chromium-browser --proxy-server debugging

  - by user3678068

  Many places online have pointed out to configure chromium proxy via command can be achieve with the following line chromium-browser --proxy-server=[username]:[password]@[host]:[port] but I got this result on every request. Here's the output in the command line right after executing the previous command. (They do not appear to be relevant. There are no new command line output when I try to visit a page) libGL error: failed to authenticate magic 30 libGL error: failed to load driver: vboxvideo ATTENTION: default value of option force_s3tc_enable overridden by environment. [29551:29551:0606/160459:ERROR:sandbox_linux.cc(268)] InitializeSandbox() called with multiple threads in process gpu-process I have double checked that the proxy credential works with the foxyproxy chrome plugin. What else can I try to figure this out? [Edit] Going to chrome://net-internals/#proxy and reading "Effective proxy settings" if I do chromium-browser with no flags, I get Use DIRECT connections. Source: GSETTINGS if chromium-browser --proxy-server=[host]:[port], I get a message box requesting to login, and under "Effective proxy settings": Proxy server: [host]:[port] if chromium-browser --proxy-server=[user]:[pass]@[host]:[port], "Effective proxy settings" shows: Use DIRECT connections

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• Electrified Light Saber Helps You Slay Bugs Like a Jedi [Video]

  - by Jason Fitzpatrick

  This fun little DIY project combines a toy light saber with the guts of an electrified fly-swatter to yield a bug slaying sword perfect for your epic battles against the Empire’s tiniest soldiers. Courtesy of Caleb over at Hack A Day, the build is surprisingly simple and quick to put together (if you’re handy with a screw driver and soldering iron). Check out the video above to see the build and the results or hit up the link below to read more about it. Building a Bug Zapping Light Saber [Hack A Day] 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? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• Logic to create common Serverlet3 Login

  - by user3696143

  I am using Servlet3 Login to Authenticate User in website I have these Login Website Normal Login(Fill the Sigup form) Facebook Login (From Facebook Id) Twitter Login (From Twitter) And I am already authenticate user by below code HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest(); request.login(username, password); And it is working fine for Website Login as user gave his/her EMailId and password and it store in DB. Now I modified table and added more columns to save Facebookid in same user table and also password for Facebook login FacebookId work as a Password as well. Same I will do for Twitter But I want the same Servlet3 to authenticate user. How can I achieve it? And also added context.xml file inside META-INF folder <Realm localDataSource="true" debug="99" className="org.apache.catalina.realm.JDBCRealm" connectionName="user" connectionPassword="password" connectionURL="jdbc:mysql://localhost:3306/ ccc" digest="md5" driverName="com.mysql.jdbc.Driver" roleNameCol="role_name" userCredCol="password" userNameCol="email_id" userRoleTable="users_list" userTable="user_list_view" /> Also it is possible to check which query fired by realm entry?

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• How to send packets via a pptp vpn tunnel?

  - by Phill

  I'm trying to send certain port traffic through my ppp0 interface it's a pptp vpn tunnel, First, I'm using a wireless usb interface, I connect up to my access point, then I initiate my vpn, there is a connection but I do not channel all connexions through that, nor do I want to, so, say I want to channel all port 80 packets through my vpn (interface dev ppp0). I first run: iptables -t mangle -A OUTPUT -p tcp --dport 80 -j MARK --set-mark 0xa to mark the correct packets then I add a table named vpn_table, I then add ip route add default dev ppp0 table vpn_table when I do that traffic begins to dribble through the ppp0, but no pages load. I supose I must have caused some sort of coflict, or the route I'm adding in vpn_table isn't quite right. I'm not sure, I think I'm marking the packets correctly but I can't be sure of that either. UPDATE: I think i've got part of the issue solved: running tcpdump -i ppp0 showed me that indeed there was outgoing requests via ppp0, now, there is never a response, and pages do not load with using that interface..i'm still missing something.

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• I cannot search/find any applications in the Dash on 12.04

  - by Russell

  Its been a while since I booted my Ubuntu (12.04), but when i did I had several updates (over 100) and I installed them along with rebooting. These updates seemed to mess with my video driver but I seemed to have fixed this. My problem is that my applications do not show anywhere. I can open them via terminal or if there are shortcuts (such as on the toolbar) but if I hit Super and go to Apps, there is nothing. This is true if I hit Super and search any app name nothing will come back (except for files). I need help to understand what happened! Also for some reason I can't upgrade to 12.10 (I assume because I have 12.04 and not 12.04.1, which I don't understand how to get).

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• Printer Problems: Epson-Stylus-NX420

  - by Jacob Stockton

  I am new to Linux. I have heard one of the drawbacks to Linux is the peripheral support. I automatically installed my Epson Stylus NX420 using the "add printer" feature. It was super easy and I was thrilled to prove that Ubuntu defied the typical stereotype of printer support issues, or so I thought. I tried to print something and the printer went absolutely crazy. It spit out page after page, until I finally just unplugged it. I am curious to know if there is a driver out there that can correct this issue. I am using the 12.04 distro. Thanks, Jacob

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• Multiple problems while installing Ubuntu 13.04 on LENOVO G500 laptop

  - by Balazs Kiss

  Dear Community, I encountered several problems when installing Ubuntu on my new Lenovo G500 laptop. First I bumped in the problem (also reported by many other) of the black screen after booting Ubuntu. This problem I recould solve by changing the "quiet splash" record of GRUB to "nomodeset". Ubuntu install was successful then. After the installation, I had a black screen again when booting up for the first time. I booted up again with "nomodeset", and enabled the external AMD driver at Hardware Drivers. Booting still do not worked (only with nomodeset), and when I log in, the system gives me a "System program problem detected" message, and the system (desktop) does not load in. Please, can you advise me what to do? Shall I re-install Ubuntu? What are the steps to make my ubuntu work with this harver? Hardware: LENOVO G500 with IntelCore i5-3230M 3,2Ghz processor and AMD Radeon HD8570 integrated chip Thank you for your help in advance!

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• How to properly set up a network bridge using bridge-utils using wlan0 as the internet "source"?

  - by Miguel Azevedo

  Hey everyone this is my first post so go easy on me. I currently have a laptop with Ubuntu Studio 12.04 Beta 2 that is supplying a wireless internet connection to a windows 7 desktop computer that's connected directly to the laptop through Ethernet. I'm using the "shared to other computers" method in network manager but I believe it doesn't work with what I want to do. I would like to have the windows computer on the same subnet as every other computer in my house (192.168.1.x) so I can use LAN applications (MIDI over WiFi, Bonjour etc.) on the windows computer without having to run a massive cable to the router. I've been googling endlessly and tried multiple configurations in the /etc/network/interfaces file without success. All of them would report "cannot add wlan0 to bridge" Is there a specific way to make this work? What am I missing? Thank you

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• Can anyone tell me why Gnome 3 looks like as if it were a gnome fallback session in my virtualbox?

  - by Elysium

  For some reason Gnome 3 wont work in my virtualbox. Both gnome classic and gnome look exactly identical. The version of my virtualbox is: 4.1.2_ Ubuntu r38459 The 3D acceleration is on in the virtualbox and the Guest Additions is installed in the virtualbox from the software center. Obviously, the graphic card driver is installed on the main Ubuntu system I am using with my laptop. (although the post-release updates can't be installed for whatever reason) Gnome shell is installed from the software center in the virtualbox. Now the issue is that the gnome and gnome classic look like just the same. Here is an image of what gnome looks like (so does gnome classic too....so I am only posting one image): What causes this issue? By the way....I am using Ubuntu 11.10 with gnome fallback session.

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• OOW Session: Trends in Identity Management

  - by B Shashikumar

  In his Identity Management address today, Amit Jasuja - VP of Oracle Identity Management and Security Products, will discuss several key identity management trends and showcase how innovation is the key driver behind Oracle’s latest Identity Management 11gR2 release. This session will focus on how the latest 11gR2 release of Oracle Identity Management addresses emerging identity management requirements for mobile, social, and cloud computing. It also explores how existing Oracle Identity Management customers are simplifying implementations and reducing total cost of ownership. When: Monday, October 1, at 10:45 a.m., Where: Moscone West L3, room 3003, (session ID# CON9405) For a complete listing of all identity management sessions, hands-on labs, and more, check out the Focus on Identity Management now. 

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• Laptop takes a long time to boot after Grub menu

  - by Andres

  I am running a Asus R401VJ laptop (Latin America version of N46VJ) that has a Core i7 CPU and 8GB RAM. After my Grub menu, which is displayed for 2 seconds as I set it up, I'm getting a black screen with a blinking white cursor that is increasing my boot time to about 60 seconds. After a while Ubuntu runs fine, I just want to reduce my boot time. I don't know if this has something to do with my never used Nvidia 2GB GeForce GT 635M graphics card. Always when I tried to install the driver, I ended up with a ~600x800 screen resolution, and I fixed it by deleting a file called: xorg.conf from the /etc/X11/ directory, following a suggestion that I read in another forum. I would appreciate detailed answers, I'm still new at Ubuntu.

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• I Installed Ubuntu 12.04 on a dell Inspiron 1501 along side windows vista using the windows installer but it wont boot into Ubuntu

  - by Nicholas

  I Installed Ubuntu 12.04 on a dell Inspiron 1501 with an AMD 64 along side windows vista using the windows installer but it wont boot into Ubuntu. It shows that Ubuntu is on the system when my computer boots up but when I select it to load it goes into a black screen and displays some error messages and tells me that the is no operating system installed. this is the error that i get: Try (hdo, 0):FAT16:no WUBILDR try (hdo, 1)NTFS: error: "Prefix" is not set. symbol not found:'grub_file_get_device_name' Aborted. Broadcom UNDI PXE-2.1 V2-1.0 copyright (c) 2000-2006 Broadcom corporation copyright (c) 1997-2000 Intel corporation All rights reserved PXE-EC8:PXE structure was not found in UNDI driver code segment. PXE-M0F Broadcom PXE Rom Operating system not found How can I fix this? I have tryed re-installing it but i get the same error.

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• Display settings changes automatically with dual monitors in 12.04 and 12.10 AMD

  - by Johan Hovda

  Dual monitors works fine, except that the settings suddenly change. This happens very often, sometimes several times in a few minutes. It is very irritating having to set the settings again each time. Suddenly mirroring is set to on, sometimes the monitor switch places (from left to right and so on), and most of the times the screen resolutions are also changed. I use Gnome Shell. I have tried unity with the same result. I use an open driver. I have earlier used fglrx, with some better results (still happens, but not so often), but can't install it sucsessfully after upgrading to ubuntu 12.10. I know there is a similar question about this issue, but it's not answered. I hope someone can help me.

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• How to config multiple monitor with optimus?

  - by irrational

  I have an Acer Aspire 8951G running 12.04 Pangolin with bumblebee working beautifully. My problem is that when I connect either the VGA port or the HDMI to my projector there is no way I can see to properly set up the resolutions or colours. The default basic display driver sees the projector correctly, but messes up colours and resolutions (on hdmi) and resolutions on VGA. (Its a 1280 X 720 projector) Am I missing some sort of Xorg configuration? nvidia-xconfig does not seem to exist and running optirun nvidia-settings -c :8 opens the settings, but of course only for the one display. I just want a way to set a default config for my projector via VGA or preferably HDMI. Any help would be wonderful.

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