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• Android Cocos2DX using C++ in Eclipse Helios Windows XP

  - by 25061987

  I have used Eclipse Helios 3.6.1 for Java development. I wanted to start C++ development in the same IDE so I installed Autotools Support For CDT, C/C++ Development Tools, C/C++ Library API Documentation Hover Help plugins.I have included #include "cocos2d.h" in my HelloWorldScene.h file now when writing the below statement cocos2d::CCSprite * ccSprite; I am not getting auto completion bar(template proposals) on writing like coco and pressing Ctrl + Space from my keyboard. What can be the problem?This might help you solve my problem. Please check here. This is what I got after clicking Right Click Project - Index - Search for Unresolved Index. But I have added all includes check here. I think this is causing problem in Content Assist. What should I do in this case? Inclusion seems proper.

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• LiveCD does not work on my desktop

  - by Boris

  I've installed Oneiric on my laptop without any issue using the LiveCD downloaded here (from the French Ubuntu community server). But on my desktop, weird things happen: During the 1st try booting with the LiveCD on my desktop, my 2 year old child just hit the keyboard, and after several error messages the desktop loaded and I've been able to test Oneiric. But I wanted to redo a boot before installing Oneiric to avoid mistakes. So during the 2nd time I tried to boot with the LiveCD, I couldn't access to the point where I can choose to test or install. Before trying a 3rd time, I've "cleaned the system" from System Parameter System. But after that I'm still not able to access to the point where I can choose to test or install. Now it stops all the time on a black screen. I do not understand why several boot attempts with same CD have several results. So I wonder if the state of my current installation 11.04 can affect re-booting with my CD 11.10 ?

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• Getting office 2007 to work through wine - with Hebrew

  - by Tal Galili

  I tried to have office 2007 installed using playonlinux. It went well, except that when I try to change my keyboard to Hebrew and start writing - the software immediately crashes. I checked it with powerpoint, were it doesn't crash but any Hebrew text is changed into "[][][][]" signs. How might I resolve this? Thanks. Update: I was able to get the program to stop crashing by running "export LANG=he_IL.UTF-8 " However, now the text in hebrew is upside down. (e.g: ???? ?? will look like ??????)

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• Architecture of interaction modes ("paint tools") for a 3D paint program

  - by Bernhard Kausler

  We are developing a Qt-based application to navigate through and paint on a volume treated as a 3D pixel graphic. The layout of the app consists of three orthogonal slice views on which the user may paint stuff like dots, circles etc. and also erase already painted pixels. Think of a 3D Gimp or MS Paint. How would you design the the architecture for the different interaction modes (i.e. paint tools)? My idea is: use the MVC pattern have a separate controler for every interaction mode install an event filter on all three slice views to collect all incoming user interaction events (mouse, keyboard) redirect the events to the currently active interaction controler I would appreciate critical comments on that idea.

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• Intel HD graphic drivers for ubuntu 10.10 64bit: the brightness says its being adjusted but it isn't

  - by James

  Hey all, I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls on the keyboard don't work. The brightness is always at full. When I try to adjust it down, the indicator graphic indicates that it's going down but the actual brightness doesn't change. Is there anything that I can try to make this work? I'd really appreciate any help. I asked this on superuser.com and someone commented that I should play around with the intel hd drivers. I'm a total noob -- how do I do that? What else can I try? I reallly don't want to do back to windows.

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• Collision Detection Game Design and Architecture

  - by Chompas

  I've reading some articles about collision detection. My question here is about ideas on the design for it. Baically I have a C++ game that has a main loop with entities with an update method. Based on keyboard input, these characters updates their positions. My question is not about how to detect collisions, it's about getting ideas in which is the best way to implement this. The game has a main character but also enemies that have to collide between them, so I'm not sure where to make all the iterations for checking collisions and if the right way is to check everything against everything. Thanks in advance.

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• Can't bind gnome-do to Super + Space or Ctrl+Alt+Space

  - by johnf

  With today's updates to 12.04 I can no longer bind gnome-do to either ctrl+alt+space or super+space. With 11.10 it wasn't possible to use super+space, on a fresh install of 12.04 super+space was working properly. Today it stopped working, if I try to bind control+alt+space then the controlkey shows up in the keyboard binding as Primary. I am running Unity, which in the past blocked super+space, it seemed to have stopped blocking it on 12.04. It shouldn't affect ctrl+alt+space. Configuring either binding produces the following error in the gnome-do output: libdo-WARNING **: Binding 'space' failed! libdo-WARNING **: Binding 'space' failed! I'm stuck binding to shift+alt+space.

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• Bastion unexpectedly exits when I move my cursor

  - by user69358

  I downloaded the Humble Indie Bundle V, mostly because my friend told me about how great Bastion was. When I first installed it, I was getting the seemingly common "black screen" error that most people got (fixed that half with this http://ubuntuforums.org/showthread.php?p=11992661). But I also have an error where every time I move my cursor, in any direction, any amount, the game closes instantly. I can use the keyboard no problem, but without fail, every time I move my mouse, it crashes. Does anyone know what might be causing this? Has anyone encountered anything like this before? I am worried it may be a hardware issue, but hoping someone might be able to help me out. I'm running Ubuntu 12.04 on a Dell Studio 1558. Graphics card is the stock Intel graphics card, running on 4 GB of RAM.

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• Compiz not drawing window controls in ubuntu 11.10

  - by Siva Prasad Varma

  I have recently installed driver for my ATI graphic card in my Dell Studio laptop. I have also read this somewhere on the web that Ubuntu enables compiz window manager by default if your hardware can run it. Is it true ? In my case before Installing graphic card driver the window manager was Metacity, but now I have compiz as my Window manager. I found this out uisng Displex Indicator applet also confirmed by wmctrl -m. From the time I have installed graphic card drivers, the window manager(Compiz) is not drawing window control buttons for some of the windows. For example if I open a terminal I have to close it using key board shortcuts or use the File - Quit option in app-menu. Also I am not able to move the window because of this. From then when-ever I find a window without window control buttons I am restarting the window manager using Displex Indicator applet. But this is very annoying and also consumes a lot of time(when I am doing my work). Can any one suggest any solution for this. What are up's and down's of using Compiz Vs Metacity.

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• Notes for a NetBeans IDE 7.4 HTML5 Screencast

  - by Geertjan

  I'm making a screencast that intends to thoroughly introduce NetBeans IDE 7.4 as a tool for HTML, JavaScript, and CSS developers. Here's the current outline, additions and other suggestions are welcome. Getting Started Downloading NetBeans IDE for HTML5 and PHP Examining the NetBeans installation directory, especially netbeans.conf Examining the NetBeans user directory Command line options for starting NetBeans IDE Exploring NetBeans IDE Menus and toolbars Versioning tools Options Window Go through whole Options window Change look and feels Adding themes Syntax coloring Code templates Plugin Manager and Plugin Portal Dark Look and Feel Themes Toggle line wrap Emmet HTML Tidy NetBeans Cheat Sheets Creating HTML5 projects From scratch From online template, e.g., Twitter Bootstrap From ZIP file From folder on disk From sample Editing Useful shortcuts Alt-Enter: see the current hints Alt-Shift-DOT/COMMA: expand selection (CTRL instead of Alt on Mac) Ctrl-Shift-Up/Down: copy up/down Alt-Shift-Up/Down: move up/down Alt-Insert: generate code (Lorum Ipsum) View menu | Show Non-printable Characters Source menu Show keyboard shortcut card Useful hints Surround with Tag Remove Surrounding Tag Useful code completion Link tag for CSS, show completion Script tag for JavaScript, show completion Create code templates in Options window Useful HTML Palette items Unordered List Link Useful code navigation Navigator Navigate menu Useful project settings Project-level deployment settings CSS Preprocessors (SASS/LESS) Cordova support Useful window management Dragging, minimizing, undocking Ctrl-Shift-Enter: distraction-free mode Alt-Shift Enter: maximization Debugging JavaScript debugger Deploying Embedded browser Responsive design Inspect in NetBeans mode Chrome browser with NetBeans plugin Android and iOS browsers Cordova makes native packages On device debugging On device styling Documentation PHP and HTML5 Learning Trail: https://netbeans.org/kb/trails/php.html Contributing Social Media: Twitter, Facebook, blogs Plugin Portal Planning to complete the above screencast this week, will continue editing this page as more useful features arise in my mind or hopefully in the comments in this blog entry!

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• Ubuntu 12.10 & 12.04.1 LTS mouse freezing (Saitek Cyborg R.A.T.5 Mouse)

  - by Eric Dand

  I've figured it out: it's the Cyborg mouse. I'll be looking through the questions as I remember seeing something about this. I'm getting a similar issue to this fellow: Ubuntu 11.04 randomly freezes for over one minute Sometimes it comes back to life after a minute or two only to crash again. Alt-tab works, but it does not display the windows-switching animation. It just switches the focus... sometimes. Ctrl-Alt-T works, thankfully, and the terminal stays responsive long enough for me to get in a "sudo reboot now" and type my password. I'm running a fresh Wubi install on a separate HDD from my Windows install. 64-bit 12.10 12.04.1 LTS now, with an AMD FX chip, 8GB of RAM, and a Radeon HD 3850. My mouse is a Saitek Cyborg R.A.T.5 Mouse, and my keyboard is a stock Acer one that came with a PC I bought a few years ago.

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• Recycle Old Hardware into a Showcase Table

  - by Jason Fitzpatrick

  If you have a plethora of old hardware laying around, especially motherboard and expansion cards, this obsolete-hardware-to-table hack is just the ticket for your office or geek cave. The table’s design is simple. They took a regular coffee table, affixed old mother boards to it and then, over the motherboards and elevated by acrylic standoffs, they put a heavy sheet of acrylic to serve as the table top. You could replicate the design with any sort of old hardware that is interesting to look at: memory modules your company is sending off to be recycled, old digital cameras, mechanisms from peripherals headed for the scrap heap, etc. Hit up the link below to see more photos of the table. Circuit Table [Chris Harrison] How to Make and Install an Electric Outlet in a Cabinet or DeskHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• Ubuntu on AMD based Sony Vaio VPCY B15AG

  - by Gaurav

  Last week I bought a AMD E350 (AMD Fusion platform) based Sony VAIO (VPCYB15AG) having AMD Radeon HD 6310 graphics, I removed Windows that came along with and installed Ubuntu 10.10 (AMD64) using USB drive. During installation my touchpad was not working, I managed through keyboard, but after completing installation & restarting the machine still there was no touchpad support. Also there's no proper graphic card drivers. Even I tried connecting the USB mouse to it but the left key is not working and had to configure the mouse as left-hand to get the left click enabled. I tried searching for any possible solutions for these but found nothing helpful, is there any hope? What should I do to enable i) enable touch pad support ii) get higher resolution 1366x768, etc?

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• Star Wars Roguelike Combines Star Wars and Old School ASCII Adventures

  - by Jason Fitzpatrick

  Mashup ASCII-based adventuring, Star Wars, and some sweet light saber sound effects, and you’ve got this old-school in-browser adventure game: Star Wars Roguelike. Play a Jedi or Sith and move about the ASCII world with simple keyboard commands. You’re not going to be blow away by the photo-realistic graphics, but you are going to be able to play it on your aging work computer. Hit up the link below to take the game for a spin. Star Wars Roguelike [via Boing Boing] How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices

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• Dirt Cheap DSLR Viewfinder Improves Outdoor DSLR LCD Visibility

  - by Jason Fitzpatrick

  If the excitement you felt about having a DSLR capable of shooting video wore off the second you took it outside and realized you needed an expensive add-on viewfinder to use it in sunlight, this cheap DIY viewfinder is for you. The digital video capabilities of new DSLR cameras are amazing and changing the way people interact with movie production. What’s not awesome, however, is how the LCD screen gets completely washed out in bright conditions and you almost always have to buy a $50+ aftermarket accessory to make the LCD functional under those conditions. Courtesty of the Frugal Film Maker we have the following video tutorial showing us how to turn a plastic container, a cheap dollar-store magnifying glass, a headphone ear cover, and some glue and hair ties into a dirt cheap LCD viewfinder. You’ll never have to squint or miss a shot because of bright lighting conditions again–even better yet, you’ll only spend a few bucks for the whole project. For step by step instructions in print form, hit up the link below. Homemade DSLR Viewfinder [Instructables via Make] Latest Features How-To Geek ETC How To Make Disposable Sleeves for Your In-Ear Monitors Macs Don’t Make You Creative! So Why Do Artists Really Love Apple? MacX DVD Ripper Pro is Free for How-To Geek Readers (Time Limited!) HTG Explains: What’s a Solid State Drive and What Do I Need to Know? How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Bring the Grid to Your Desktop with the TRON Legacy Theme for Windows 7 The Dark Knight and Team Fortress 2 Mashup Movie Trailer [Video] Dirt Cheap DSLR Viewfinder Improves Outdoor DSLR LCD Visibility Lakeside Sunset in the Mountains [Wallpaper] Taskbar Meters Turn Your Taskbar into a System Resource Monitor Create Shortcuts for Your Favorite or Most Used Folders in Ubuntu

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• Can't connect VPN/add new VPN connection on 12.04 when using NX

  - by dbotamous

  I remote control my Ubuntu box using NX. I am trying to create a new VPN connection. I click on Configure VPN ? Add ? OpenVPN ? Create then I get a "Editing VPN connection 1" window but everything is grayed out, and I can't edit it. The only button I can click is Cancel. The reason I bring up NX is because if I plug in a monitor keyboard and mouse, I can create, edit import VPN connections just fine. So I imported all the different VPN connections, everything was fine. I then remoted back into the Ubuntu machine with NX, click on my VPN connection, and get VPN Connection Failed - The VPN CONNECTION failed to start. Not authorized to control networking. I then disconnected and reconnected NX, and now all the VPN connections I had imported are gone. Any ideas?

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• DriveSafe.ly Reads Your Text Messages Aloud

  - by ETC

  DriveSafe.ly, a free application for Android and BlackBerry phones, reads your text messages, emails, and caller ID notifications aloud so you can stay connected while keeping your eyes on the road. DriveSafe.ly is a feature packed application that reads your text messages, your emails, and the ID from your caller ID aloud. It’s not the only SMS-to-speech application out there but it sports the most featured including rocking a customizable auto-responder (so you can let people know you heard their message and will respond as soon as you’re off the road), the ability to customize the voice and the read-rate, how much information if given (the senders name or just the message or the senders name, subject, and message in the case of emails), and more. Upgrading to the $13.95 a year premium version allows voice-to-txt translation so you can respond verbally to your text messages and emails. Hit up the link below to read more and grab a copy for your Android or BlackBerry phone. DriveSafe.ly [via Addictive Tips] 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 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 Manage Your Favorite Social Accounts in Chrome and Iron with Seesmic

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• From the Tips Box: Revitalizing Ink Cartridges with a Water Infusion

  - by Jason Fitzpatrick

  If you’re convinced your ink cartridge has more ink to share than it is willing to give up, you’re right. Read on to see how How-To Geek reader Max squeezes extra life out of his cartridges with plain old water. Max wrote in with his simple solution. He wasn’t as interested in refilling his cartridges as he was in getting all the ink out of them. Here’s his detailed guide to getting nearly every drop of ink out of your high-priced ink cartridge: The ink in many brands of ink jet printer cartridges is generally water soluble. To see if your ink is water soluble, wet your finger and rub it across a page from your printer you don’t mind wasting.  If the print smears the ink is obviously water soluble. The top of the printer cartridge generally has the manufacturer’s label attached. It covers tiny holes through which the ink was injected into the cartridge during manufacture. Latest Features How-To Geek ETC How To Make Disposable Sleeves for Your In-Ear Monitors Macs Don’t Make You Creative! So Why Do Artists Really Love Apple? MacX DVD Ripper Pro is Free for How-To Geek Readers (Time Limited!) HTG Explains: What’s a Solid State Drive and What Do I Need to Know? How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Bring the Grid to Your Desktop with the TRON Legacy Theme for Windows 7 The Dark Knight and Team Fortress 2 Mashup Movie Trailer [Video] Dirt Cheap DSLR Viewfinder Improves Outdoor DSLR LCD Visibility Lakeside Sunset in the Mountains [Wallpaper] Taskbar Meters Turn Your Taskbar into a System Resource Monitor Create Shortcuts for Your Favorite or Most Used Folders in Ubuntu

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• A good interpreted language for a small embedded project

  - by Earlz

  I have an mbed which has a small ARM Cortex M3 on it. Basically, my effective resources for the project are ~25Kb of RAM and ~400Kb of Flash. For I/O I'll have a PS/2 keyboard, a VGA framebuffer(with character output), and an SD card for saving/loading programs(up to a couple of Mb maybe) The reason I ask this here is because I'm trying to figure out what programming language to implement on the thing. I'm looking for an interpreted language that's easy for me to implement, and won't break the bank on my resources. I also intend for this to be at least possible to write on th device itself, though the editor can be interpreted(yay bootstrapping) Anyway, I've looked at a few simple languages. Some nice candidates: Forth BASIC Scheme? Has anyone done something like this or know of any languages that can fit this bill or have comments about my three candidates so far?

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• about permssion

  - by Gitesh

  I am really new to ubuntu (12.04) to automount my drive I added this line to fstab /dev/sda4 /media/FF15-ED92 vfat defaults 0 0 But now when I want to delete a directory or a file it doesn't delete like using del key of keyboard so right clicked on that directories and files but there was no option to delete and move to trash was also not clickable. So how can I give myself permissions to do this. Also I can't do this on my pen drive also. I tried this but nothing happened sudo chmod 777 /media/44gb if I change from chmod to chown then it gives that changing ownership of `/media/44gb': Operation not permitted

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• How to Use a PS3 Controller as a Joystick for Your Windows PC

  - by Zainul Franciscus

  Do you find it hard to steer your mouse and hit the right keyboard key to play PC games? If you happen to have PS3 controllers, why not use them as Joysticks to play games? Image by AlphaCoders Before we begin, head over to MotionInJoy website to install the required drivers for Windows. The installer comes for both x86 (32-bit operating system) and x64 (64-bit operating system), so make sure you download the right installer for your system. If you are in doubt, just go to Start -> Control Panel –> System, to verify your system settings. HTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear MonitorsMacs Don’t Make You Creative! So Why Do Artists Really Love Apple?

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• B.S.in Computer Science, weak eyes => career change

  - by Prometheus

  So I am going to earn B.S. in Computer Science soon. I like computers. I like programming. The problem is that my eyes are very weak. Depending on their condition, I can only put in about 6 hours in front of computer a day. If I push myself, I have trouble even keeping my eyes open because of soreness/pain, consequently headaches. My eyes do not have medical conditions. I was just born with weak eyes. I tried many different approaches to work around this problem - better monitor, breaks every 10 minutes, supplements... I even memorized a lot of shortcuts to reduce my time on computers! But I am finally giving up. I do not think I can be a programmer for the rest of my life. I was the top of my class in high school because all works were paper-based, I did average in college due to the nature of my eyes and the difficulty of the material. So what do you recommend I do? Or, Is there a career that is similar to programming but requires interacting with computers less?

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• how to disable usb storage in ubuntu 13.10?

  - by user288289

  I want to block my all my USB mas storage and allow only devices like keyboard and mouse . I'm able to do so by following the KB. But the issue is that when I connect devices like mobile phones & TABS, I'm able to access the mass storage & able to copy & paste. Disable usb mass storage Kindly advise me how could I block these mobile storage devices. Please note that I only want to block mass storage the other features like charging & android apk execution to mobile should work as usually. Please help...

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• Convert from EFI to BIOS boot

  - by Lukas F.

  I have a Samsung Notebook NP900X4C with an LUKS encrypted installation of Linux Mint 15 on it. The system is booting in UEFI mode. The problem is that the samsung-notebook kernel module is disabled in UEFI mode and due to that I am missing features like the keyboard backlight. Is it possible to modify the current installtion so it can boot in BIOS mode? Is this correct that the basic steps would be converting the disk from GPT to MBR and installing grub from a live CD? Would this be possible with a LUKS partition?

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• How to disable tap to click in Lubuntu 13.10

  - by radiomasten

  Tap to click is usually the first thing I disable when I have installed a new OS, but this time I couldn't get rid of it. In earlier versions of Lubuntu, I was able to disable it by writing "@synclient MaxTapTime=0" to /etc/xdg/lxsession/Lubuntu/autostart and save. But in Lubuntu 13.10 this method doesn't work any more. I can't find any solution on the internet either. (If there was a checkbox in "mouse and keyboard" preferences in LXDE to turn tap to click on/off permanently, like in Unity, that would make both lovers and haters of this divisive feature happy. I don't understand how this feature could be thought of as something everybody wants.)

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