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• Why is my external USB hard drive sometimes completely inaccessible?

  - by Eliah Kagan

  I have an external USB hard drive, consisting of an 1 TB SATA drive in a Rosewill RX35-AT-SU SLV Aluminum 3.5" Silver USB 2.0 External Enclosure, plugged into my SONY VAIO VGN-NS310F laptop. It is plugged directly into the computer (not through a hub). The drive inside the enclosure is a 7200 rpm Western Digital, but I don't remember the exact model. I can remove the drive from the enclosure (again), if people think it's necessary to know that detail. The drive is formatted ext4. I mount it dynamically with udisks on my Lubuntu 11.10 system, usually automatically via PCManFM. (I have had Lubuntu 12.04 on this machine, and experienced all this same behavior with that too.) Every once in a while--once or twice a day--it becomes inaccessible, and difficult to unmount. Attempting to unmount it with sudo umount ... gives an error message saying the drive is in use and suggesting fuser and lsof to find out what is using it. Killing processes found to be using the drive with fuser and lsof is sometimes sufficient to let me unmount it, but usually isn't. Once the drive is unmounted or the machine is rebooted, the drive will not mount. Plugging in the drive and turning it on registers nothing on the computer. dmesg is unchanged. The drive's access light usually blinks vigorously, as though the drive is being accessed constantly. Then eventually, after I keep the drive off for a while (half an hour), I am able to mount it again. While the drive doesn't work on this machine for a while, it will work immediately on another machine running the same version of Ubuntu. Sometimes bringing it back over from the other machine seems to "fix" it. Sometimes it doesn't. The drive doesn't always stop being accessible while mounted, before becoming unmountable. Sometimes it works fine, I turn off the computer, I turn the computer back on, and I cannot mount the drive. Currently this is the only drive with which I have this problem, but I've had problems that I think are the same as this, with different drives, on different Ubuntu machines. This laptop has another external USB drive plugged into it regularly, which doesn't have this problem. Unplugging that drive before plugging in the "problem" drive doesn't fix the problem. I've opened the drive up and made sure the connections were tight in the past, and that didn't seem to help (any more than waiting the same amount of time that it took to open and close the drive, before attempting to remount it). Does anyone have any ideas about what could be causing this, what troubleshooting steps I should perform, and/or how I could fix this problem altogether? Update: I tried replacing the USB data cable (from the enclosure to the laptop), as Merlin suggested. I should've tried that long ago, since it fits the symptoms perfectly (the drive works on another machine, which would make sense because the cable would be bent at a different angle, possibly completing a circuit of frayed wires). Unfortunately, though, this did not help--I have the same problem with the new cable. I'll try to provide additional detailed information about the drive inside the enclosure, next time I'm able to get the drive working. (At the moment I don't have another machine available to attach it.) Major Update (28 June 2012) The drive seems to have deteriorated considerably. I think this is so, because I've attached it to another machine and gotten lots of errors about invalid characters, when copying files from it. I am less interested in recovering data from the drive than I am in figuring out what is wrong with it. I specifically want to figure out if the problem is the drive or the enclosure. Now, when I plug the drive into the original machine where I was having the problems, it still doesn't appear (including with sudo fdisk -l), but it is recognized by the kernel and messages are added to dmesg. Most of the message consist of errors like this, repeated many times: [ 7.707593] sd 5:0:0:0: [sdc] Unhandled sense code [ 7.707599] sd 5:0:0:0: [sdc] Result: hostbyte=invalid driverbyte=DRIVER_SENSE [ 7.707606] sd 5:0:0:0: [sdc] Sense Key : Medium Error [current] [ 7.707614] sd 5:0:0:0: [sdc] Add. Sense: Unrecovered read error [ 7.707621] sd 5:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00 [ 7.707636] end_request: critical target error, dev sdc, sector 0 [ 7.707641] Buffer I/O error on device sdc, logical block 0 Here are all the lines from dmesg starting with when the drive is recognized. Please note that: I'm back to running Lubuntu 12.04 on this machine (and perhaps that's a factor in better error messages). Now that the drive has been plugged into another machine and back into this one, and also now that this machine is back to running 12.04, the drive's access light doesn't blink as I had described. Looking at the drive, it would appear as though it is working normally, with low or no access. This behavior (the errors) occurs when rebooting the machine with the drive plugged in, and also when manually plugging in the drive. A few of the messages are about /dev/sdb. That drive is working fine. The bad drive is /dev/sdc. I just didn't want to edit anything out from the middle.

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• Thread-safety in Cocos2d-iPhone?

  - by Malax

  After tinkering a bit with cocos2d, I discovered that there is no classic game loop and everything is more-or-less event driven. I guess I can wrap my head around that, no problem. But I cannot find anything about thread safety. Say, I schedule something to occur every two seconds, which Thread will run the code? Given that I cannot find anything about that, I guess there is just one Cocos2d Thread and everything will be fine. Nevertheless, this implicit assumption does not give me a good feeling. Knowing is better than guessing. ;-) Can anyone shed some light onto that topic?

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• How can I create a fast, real-time, fixed length glowing ray?

  - by igf

  Similar to the disintegrate skill in Diablo 3. It should not light other objects in scene. Just glowing and animated. Like in this video http://www.youtube.com/watch?v=D_c4x6aQAG8. Should I use pack of pre-computed glow sources textures for each frame of ray animation like in this article http://http.developer.nvidia.com/GPUGems/gpugems_ch21.html and put it in bloom shader? Is there any other efficient ways to achive this effect? I'm using OpenGL ES 2.0.

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• Should I be paid for time spent learning a framework?

  - by nate-bit

  To give light to the situation: I am currently one of two programmers working in a small startup software company. Part of my job requires me to learn a Web development framework that I am not currently familiar with. I get paid by the hour. So the question is: Is it wholly ethical to spend multiple hours of the day reading through documentation and tutorials and be paid for this time where I am not actively developing for our product? Or should the bulk of this learning be done at home, or otherwise off hours, to allow for more full-on development of our application during the work day?

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• Silverlight Cream for January 11, 2011 -- #1024

  - by Dave Campbell

  1,000 blogposts is quite a few, but to die-hard geeks, 1000 isn't the number... 1K is the number, and today is my 1K blogpost! I've been working up to this for at least 11 months. Way back at MIX10, I approached some vendors about an idea I had. A month ago I contacted them and others, and everyone I contacted was very generous and supportive of my idea. My idea was not to run a contest, but blog as normal, and whoever ended up on my 1K post would get some swag... and I set a cut-off at 13 posts. So... blogging normally, I had some submittals, and then ran my normal process to pick up the next posts until I hit a total of 13. To provide a distribution channel for the swag, everyone on the list, please send me your snail mail (T-shirts) and email (licenses) addresses as soon as possible.   I'd like to thank the following generous sponsors for their contributions to my fun (in alphabetic order): and Rachel Hawley for contributing 4 Silverlight control sets First Floor Software and Koen Zwikstra for contributing 13 licenses for Silverlight Spy and Sara Faatz/Jason Beres for contributing 13 licenses for Silverlight Data Visualization controls and Svetla Stoycheva for contributing T-Shirts for everyone on the post and Ina Tontcheva for contributing 13 licenses for RadControls for Silverlight + RadControls for Windows Phone and Charlene Kozlan for contributing 1 combopack standard, 2 DataGrid for Silverlight, and 2 Listbox for Silverlight Standard And now finally...in this Issue: Nigel Sampson, Jeremy Likness, Dan Wahlin, Kunal Chowdhurry, Alex Knight, Wei-Meng Lee, Michael Crump, Jesse Liberty, Peter Kuhn, Michael Washington, Tau Sick, Max Paulousky, Damian Schenkelman Above the Fold: Silverlight: "Demystifying Silverlight Dependency Properties" Dan Wahlin WP7: "Using Windows Phone Gestures as Triggers" Nigel Sampson Expression Blend: "PathListBox: making data look cool" Alex Knight From SilverlightCream.com: Using Windows Phone Gestures as Triggers Nigel Sampson blogged about WP7 Gestures, the Toolkit, and using Gestures as Triggers, and actually makes it looks simple :) Jounce Part 9: Static and Dynamic Module Management Jeremy Likness has episode 9 of his explanation of his MVVM framework, Jounce, up... and a big discussion of Modules and Module Management from a Jounce perspective. Demystifying Silverlight Dependency Properties Dan Wahlin takes a page from one of his teaching opportunities, and shares his knowledge of Dependency Properties with us... beginning with what they are, defining them in code, and demonstrating their use. Customizing Silverlight ChildWindow Style using Blend Kunal Chowdhurry has a great post up about getting your Child Windows to match the look & feel of the rest of youra app... plus a bunch of Blend goodness thrown in. PathListBox: making data look cool File this post by Alex Knight in the 'holy crap' file along with the others in this series! ... just check out that cool Ticker Style Path ListBox at the top of the blog... too cool! Web Access in Windows Phone 7 Apps Wei-Meng Lee has the 3rd part of his series on WP7 development up and in this one is discussing Web Access... I mean *discussing* it... tons of detail, code, and explanation... great post. Prevent your Silverlight XAP file from caching in your browser. Michael Crump helps relieve stress on Silverlight developers everywhere by exploring how to avoid caching of your XAP in the browser... (WPFS) MVVM Light Toolkit: Soup To Nuts Part I Jesse Liberty continues his Windows Phone from Scratch series with a new segment exploring Laurent Bugnion's MVVMLight Toolkit beginning with acquiring and installing the toolkit, then proceeds to discuss linking the View and ViewModel, the ViewModel Locator, and page navigation. Silverlight: Making a DateTimePicker Peter Kuhn attacks a problem that crops up on the forums a lot -- a DateTimePicker control for Silverlight... following the "It's so simple to build one yourself" advice, he did so, and provides the code for all of us! Windows Phone 7 Animated Button Press Michael Washington took exception to button presses that gave no visual feedback and produced a behavior that does just that. Using TweetSharp in a Windows Phone 7 app Tau Sick demonstrates using TweetSharp to put a twitter feed into a WP7 app, as he did in "Hangover Helper"... all the instructions from getting Tweeetshaprt to the code necessary. Bindable Application Bar Extensions for Windows Phone 7 Max Paulousky has a post discussing some real extensions to the ApplicationBar for WP7.. he begins with a bindable application bar by Nicolas Humann that I've missed, probably because his blog is in French... and extends it to allow using DelegateCommand. How to: Load Prism modules packaged in a separate XAP file in an OOB application Damian Schenkelman posts about Prism, AppModules in separate XAPs and running OOB... if you've tried this, you know it's a hassle.. Damian has the solution. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Why does editor color scheme preference seem to vary by language?

  - by Carl Manaster

  I've spent most of my career in C++ and Java, and like most of my peers I have the editor configured to display dark (black with dark-colored syntax highlighting) on a white background. I spent a day this week with Rubyists, and they all seem to favor light text on a dark background. I've observed this before. Why is it? What cultural differences between the Java and Ruby communities explain it? Or is it as simple as these are the default settings for our respective editors?

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• problem connecting to magento connect

  - by amir

  hi, I'm using magento 1.4.0 and when I try to get to magento connect and download a plugin the page will say Error: Please check for sufficient write file permissions Your Magento folder does not have sufficient write permissions, which this web based downloader requires. If you wish to proceed downloading Magento packages online, please set all Magento folders to have writable permission for the web server user (example: apache) and press the "Refresh" button to try again. does anyone know how I can fix this problem, thanks Update: the plugin I'm trying to use is MagentoPycho light box so I unpacked the folder into the app/code/local but it still doesn't show in the admin area

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• Hack Your Lights for Remote Control

  - by Jason Fitzpatrick

  This clever hack combines a modified wall switch with unused buttons on a universal remote to create one-touch wireless control of the lighting in a media room. Andrew, the tinker behind this home theater hack, writes: I really liked the idea of controlling my “Home Theater” lights with a remote (TV or other), this would save me the exhausting task of heaving myself off the couch to turn the lights on or off. I found one of my remotes has a spare power button, its one of those stupid “universal” remotes that comes with DVD players or TVs but only work if you have all the same brand equipment, I don’t so this made a good option for a light switch. Hit up the link below to check out more photos of his project and download the source code. Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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• Swept AABB vs Line Segment 2D

  - by Larolaro

  I've really exhausted as much as Google has to give, I've spent a solid week googling every combination of words for an "AABBvsLine sweep", downloaded countless collision demos, dissected SAT intersection examples and an AABBvsAABB sweep trying to figure out how to approach this. I've not found a single thing covering this specific pairing. Can anyone shed any light on how to get the hit time of a swept AABB vs a Line segment in 2D? I'm still getting familiar with the SAT but I do know how to implement it to a degree, I'm just not sure how to extract the hit time from the velocity in the non axis aligned separating axes for the sweep. I really would appreciate anything at the moment, some code or even some helpful links, I'm at my wits end!

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• Task ownership with Wordpress - CSS - Designer or Developer?

  - by Syed Absar

  We have a dispute regarding who owns which tasks when it comes to the CSS on our live site. Our designer argues that he is not responsible to log-in to word press and modify the css or use ftp for any changes because that's not his job description while developer argues that since it is css, it belongs to designer and that he is to update the changes to the server and then compare and correct the output. I'd like experienced people working in professional development environment to put a light on this scenario. I'm not sure if this is the right place to ask this question, or is there a separate forum for business development or project management specific questions?

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• Basic shadow mapping fails on NVIDIA card?

  - by James

  Recently I switched from an AMD Radeon HD 6870 card to an (MSI) NVIDIA GTX 670 for performance reasons. I found however that my implementation of shadow mapping in all my applications failed. In a very simple shadow POC project the problem appears to be that the scene being drawn never results in a draw to the depth map and as a result the entire depth map is just infinity, 1.0 (Reading directly from the depth component after draw (glReadPixels) shows every pixel is infinity (1.0), replacing the depth comparison in the shader with a comparison of the depth from the shadow map with 1.0 shadows the entire scene, and writing random values to the depth map and then not calling glClear(GL_DEPTH_BUFFER_BIT) results in a random noisy pattern on the scene elements - from which we can infer that the uploading of the depth texture and comparison within the shader are functioning perfectly.) Since the problem appears almost certainly to be in the depth render, this is the code for that: const int s_res = 1024; GLuint shadowMap_tex; GLuint shadowMap_prog; GLint sm_attr_coord3d; GLint sm_uniform_mvp; GLuint fbo_handle; GLuint renderBuffer; bool isMappingShad = false; //The scene consists of a plane with box above it GLfloat scene[] = { -10.0, 0.0, -10.0, 0.5, 0.0, 10.0, 0.0, -10.0, 1.0, 0.0, 10.0, 0.0, 10.0, 1.0, 0.5, -10.0, 0.0, -10.0, 0.5, 0.0, -10.0, 0.0, 10.0, 0.5, 0.5, 10.0, 0.0, 10.0, 1.0, 0.5, ... }; //Initialize the stuff used by the shadow map generator int initShadowMap() { //Initialize the shadowMap shader program if (create_program("shadow.v.glsl", "shadow.f.glsl", shadowMap_prog) != 1) return -1; const char* attribute_name = "coord3d"; sm_attr_coord3d = glGetAttribLocation(shadowMap_prog, attribute_name); if (sm_attr_coord3d == -1) { fprintf(stderr, "Could not bind attribute %s\n", attribute_name); return 0; } const char* uniform_name = "mvp"; sm_uniform_mvp = glGetUniformLocation(shadowMap_prog, uniform_name); if (sm_uniform_mvp == -1) { fprintf(stderr, "Could not bind uniform %s\n", uniform_name); return 0; } //Create a framebuffer glGenFramebuffers(1, &fbo_handle); glBindFramebuffer(GL_FRAMEBUFFER, fbo_handle); //Create render buffer glGenRenderbuffers(1, &renderBuffer); glBindRenderbuffer(GL_RENDERBUFFER, renderBuffer); //Setup the shadow texture glGenTextures(1, &shadowMap_tex); glBindTexture(GL_TEXTURE_2D, shadowMap_tex); glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, s_res, s_res, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); return 0; } //Delete stuff void dnitShadowMap() { //Delete everything glDeleteFramebuffers(1, &fbo_handle); glDeleteRenderbuffers(1, &renderBuffer); glDeleteTextures(1, &shadowMap_tex); glDeleteProgram(shadowMap_prog); } int loadSMap() { //Bind MVP stuff glm::mat4 view = glm::lookAt(glm::vec3(10.0, 10.0, 5.0), glm::vec3(0.0, 0.0, 0.0), glm::vec3(0.0, 1.0, 0.0)); glm::mat4 projection = glm::ortho<float>(-10,10,-8,8,-10,40); glm::mat4 mvp = projection * view; glm::mat4 biasMatrix( 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0 ); glm::mat4 lsMVP = biasMatrix * mvp; //Upload light source matrix to the main shader programs glUniformMatrix4fv(uniform_ls_mvp, 1, GL_FALSE, glm::value_ptr(lsMVP)); glUseProgram(shadowMap_prog); glUniformMatrix4fv(sm_uniform_mvp, 1, GL_FALSE, glm::value_ptr(mvp)); //Draw to the framebuffer (with depth buffer only draw) glBindFramebuffer(GL_FRAMEBUFFER, fbo_handle); glBindRenderbuffer(GL_RENDERBUFFER, renderBuffer); glBindTexture(GL_TEXTURE_2D, shadowMap_tex); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, shadowMap_tex, 0); glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (GL_FRAMEBUFFER_COMPLETE != result) { printf("ERROR: Framebuffer is not complete.\n"); return -1; } //Draw shadow scene printf("Creating shadow buffers..\n"); int ticks = SDL_GetTicks(); glClear(GL_DEPTH_BUFFER_BIT); //Wipe the depth buffer glViewport(0, 0, s_res, s_res); isMappingShad = true; //DRAW glEnableVertexAttribArray(sm_attr_coord3d); glVertexAttribPointer(sm_attr_coord3d, 3, GL_FLOAT, GL_FALSE, 5*4, scene); glDrawArrays(GL_TRIANGLES, 0, 14*3); glDisableVertexAttribArray(sm_attr_coord3d); isMappingShad = false; glBindFramebuffer(GL_FRAMEBUFFER, 0); printf("Render Sbuf in %dms (GLerr: %d)\n", SDL_GetTicks() - ticks, glGetError()); return 0; } This is the full code for the POC shadow mapping project (C++) (Requires SDL 1.2, SDL-image 1.2, GLEW (1.5) and GLM development headers.) initShadowMap is called, followed by loadSMap, the scene is drawn from the camera POV and then dnitShadowMap is called. I followed this tutorial originally (Along with another more comprehensive tutorial which has disappeared as this guy re-configured his site but used to be here (404).) I've ensured that the scene is visible (as can be seen within the full project) to the light source (which uses an orthogonal projection matrix.) Shader utilities function fine in non-shadow-mapped projects. I should also note that at no point is the GL error state set. What am I doing wrong here and why did this not cause problems on my AMD card? (System: Ubuntu 12.04, Linux 3.2.0-49-generic, 64 bit, with the nvidia-experimental-310 driver package. All other games are functioning fine so it's most likely not a card/driver issue.)

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• Strange links appearing in 404 logs

  - by MJWadmin

  I've recently been going through our 404 logs and we have a number of urls which look like this turning up:- http://www.makejusticework.org.uk/%2B%255BPLM=0%255D%2BGET%2Bhttp:/www.makejusticework.org.uk/%2B%255B0,51217,54078%255D%2B-%253E%2B%255BN%255D%2BPOST%2Bhttp:/www.makejusticework.org.uk/media/roma-hoopers-justice-campaign-blog/prison-expensive-making-people-worse-roger-graef-obe-ceo-films-record-ambassador-justice-work/2012/02/22/%2B%255B0,0,67227%255D It contains the actual url, which is:- http://www.makejusticework.org.uk/media/roma-hoopers-justice-campaign-blog/prison-expensive-making-people-worse-roger-graef-obe-ceo-films-record-ambassador-justice-work/2012/02/22/ This blog post relates to a recently redirected url (standard redirect 301) hence the concern - can anyone shed any light on this kind of thing?

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• Ask the Readers: Are You A Second Screen Multi-tasker?

  - by Jason Fitzpatrick

  Television watchers are no longer keeping their eyes continuously glued to the screen–increasingly smartphone, tablet, and laptop users have merged their mobile device and television time. Are you one of the second screen multi-taskers? Image courtesy of Umani, a TV-companion application for iPad. According to Nielsen user surveys, at least 80% of mobile device owners have used their device while watching television in the past month–27% said they use their mobile device alongside the television multiple times a day. What the survey results are light on, however, is an in depth look at what the users are doing with their second screen. This week we want to hear about whether or not you’re one of the second screen multi-taskers and what you use your mobile device for during your television/movie time. Sound off in the comments and then check back in on Friday for the What You Said roundup. How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• Dark Visual Experience in Visual Studio 2012

  - by Jalpesh P. Vadgama

  I have written whole series related to Visual Studio 2012 features and this post will also be part of same series.You can get all my post related to visual studio from the following link. Visual Studio 2012 feature series Before some days I was searching something and found a great way to change the visual experience of visual studio 2012. I found that there are two type of themes available in visual studio 2012 light and dark under Tools->Option-> General environment value. This is one of newest feature I have found in visual studio 2012. Read More >>

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• Usb WiFi dongle pluggin in doesnt create wlan0 interface

  - by zuba

  I use D-Link DWA-110 WiFi usb dongle. It used to be working well, but after some config changes I broke something and now when I plug the dongle in I see it in lsusb output, but wlan0 isn't created and the led on the dongle doesn't light. What to check out? ~ > uname -a Linux Distress 3.2.0-56-generic #86-Ubuntu SMP Wed Oct 23 17:31:43 UTC 2013 i686 i686 i386 GNU/Linux dmesg shows [ 667.824095] usb 1-8: new high-speed USB device number 6 using ehci-pci [ 668.117996] usb 1-8: New USB device found, idVendor=07d1, idProduct=3c07 [ 668.118007] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 668.118015] usb 1-8: Product: 802.11 bg WLAN [ 668.118021] usb 1-8: Manufacturer: Ralink

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• How can I make QSSTV recognise my sound device

  - by hellocatfood

  After reading this article from Instructables I wanted to try it out in Ubuntu. Luckily QSSTV is available but I'm having problems getting it to work properly. When pressing the green light (to receive data) I get this error: After going to Options Configure Interfaces I discovered that it's attempting to use /dev/dsp which doesn't appear to exist. In my /dev folder there are no files that reference sound devices and I've tried all of the devices in /dev/snd but unfortunately none of them work. Is there a specific audio device that I should be linking to?

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• SPDIF Input not working

  - by BiggJJ

  One of my motherboard has two SPDIF sockets. One input and one output. Under windows these work fine and I am able to achieve what I'm trying here. I want to set Ubuntu up so it will play the Digital input out the Analogue output(normal headphone jack). Under my input devices there is no digital options, and under configuration there is no option for Digital Stereo input I only have options for Digital output and Analogue input, when really I want it the other way around. Can anyone shed any light? error when starting gnome-alsamixer:

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• Can't get past the Ubuntu loading screen when installing

  - by Oscar Godson

  I'm trying to install Ubuntu 11.04 onto some custom made PC that my father in law tried building. It had Windows on it, but he wants Ubuntu so he asked me to do it. I've installed Ubuntu 11.04 on a few computers no issues, but on this computer I get to the all purple screen with the Ubuntu logo and the orange and white dots that light up. Like this: The fan is also super, super loud and sounds like the whole thing is going to explode and has been running like this for 15 mins ish. Then, after about 15 mins the dots stop animating from orange to white and usually just stick at all orange. Any ideas?

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• Good php editor

  - by Web Developer

  i have seen through other questions on the topic but most are a bit old. I looking for a good editor for developing on PHP in Linux(ubuntu). Here is my requirements Basic editor features Free Light-Weight Syntax highlighting Code Folding (class,function,if/else/while/foreach block) Code completion Invalid Syntax/Error highlighting as you type Auto code intending Snippet support(pieces of custom or language specific codes that i can insert) Extendable support It would be great if it had the following Debugging support WYSIWYG Code formatting Framework support(cakephp/yii/zend/smarty) Testing support Todo Native look and feel(Gnome) Flex/ROR support is welcome but not a requirement Mysql support I have tried the following editors Netbeans - it bloated, resource hogging and doesnt not have a native look and feel. Eclipse is okay but i cant fold if/while blocks and slow. Gedit can be extended and i have tried it but still i could not fold code or show error. I currently use Geany but it doesn't inform me of syntax errors as i type. If you have ways to solve the problems with above editors they too are also welcome

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• C# XNA - Sky Sphere Question

  - by Wade

  I have been banging my head against the wall trying to get a sky sphere to work appropriately in XNA 4.0. I have the sphere loading correctly, and even textured, but i would like something a little more dynamic that can support a day/night cycle. My issue is that, while i know a good amount of C# and XNA, i know next to nothing about HLSL. (I could make an ambient light shader if my life depended on it...) I also have not been able to find a tutorial on how to build a sky sphere like this. Of course i don't expect to be able to make an amazing one right off the bat, i would like to start small, with a dynamic coloring sky i'll work out the clouds and sun later. My first question: Does anyone know of any good tutorial sites that could help me get a decent grasp around HLSL? Second: Does anyone have a good example of or know where to find one of a gradient sky using XNA and C#?

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• I have a problem with a AE1200 Cisco/Linksys Wireless-N USB adapter having stopped working after I ran the update manager in Ubuntu 12.04

  - by user69670

  Here is the problem, I use a Cisco/Linksys AE1200 wireless network adapter to connect my desktop to a public wifi internet connection. I use ndiswrapper to use the windows driver and it had been working fine for me untill I ran the update manager overnight a few days ago. When I woke up it was asking for the normal computer restart to implement the changes but after rebooting the computer, the wireless adapter did not work, the status light on the adapter did not light up even though ubuntu recognizes it is there and according to ndiswrapper the drivers are loaded and the hardware is present. the grep command is being a bitch for some unknown reason today so this will be long sorry Output from "lspci": 00:00.0 Host bridge: Advanced Micro Devices [AMD] nee ATI Radeon Xpress 200 Host Bridge (rev 01) 00:01.0 PCI bridge: Advanced Micro Devices [AMD] nee ATI RS480 PCI Bridge 00:12.0 SATA controller: Advanced Micro Devices [AMD] nee ATI SB600 Non-Raid-5 SATA 00:13.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB (OHCI0) 00:13.1 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB (OHCI1) 00:13.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB (OHCI2) 00:13.3 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB (OHCI3) 00:13.4 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB (OHCI4) 00:13.5 USB controller: Advanced Micro Devices [AMD] nee ATI SB600 USB Controller (EHCI) 00:14.0 SMBus: Advanced Micro Devices [AMD] nee ATI SBx00 SMBus Controller (rev 13) 00:14.1 IDE interface: Advanced Micro Devices [AMD] nee ATI SB600 IDE 00:14.3 ISA bridge: Advanced Micro Devices [AMD] nee ATI SB600 PCI to LPC Bridge 00:14.4 PCI bridge: Advanced Micro Devices [AMD] nee ATI SBx00 PCI to PCI Bridge 01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RC410 [Radeon Xpress 200] 02:02.0 Communication controller: Conexant Systems, Inc. HSF 56k Data/Fax Modem 02:03.0 Multimedia audio controller: Creative Labs CA0106 Soundblaster 02:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) Output from "lsusb": Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 009: ID 13b1:0039 Linksys AE1200 802.11bgn Wireless Adapter [Broadcom BCM43235] Bus 003 Device 002: ID 045e:0053 Microsoft Corp. Optical Mouse Bus 004 Device 002: ID 1043:8006 iCreate Technologies Corp. Flash Disk 32-256 MB Output from "ifconfig": eth0 Link encap:Ethernet HWaddr 00:19:21:b6:af:7c UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:20 Base address:0xb400 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:13232 errors:0 dropped:0 overruns:0 frame:0 TX packets:13232 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1084624 (1.0 MB) TX bytes:1084624 (1.0 MB) Output from "iwconfig": lo no wireless extensions. eth0 no wireless extensions. Output from "lsmod": Module Size Used by nls_iso8859_1 12617 1 nls_cp437 12751 1 vfat 17308 1 fat 55605 1 vfat uas 17828 0 usb_storage 39646 1 nls_utf8 12493 1 udf 84366 1 crc_itu_t 12627 1 udf snd_ca0106 39279 2 snd_ac97_codec 106082 1 snd_ca0106 ac97_bus 12642 1 snd_ac97_codec snd_pcm 80845 2 snd_ca0106,snd_ac97_codec rfcomm 38139 0 snd_seq_midi 13132 0 snd_rawmidi 25424 2 snd_ca0106,snd_seq_midi bnep 17830 2 parport_pc 32114 0 bluetooth 158438 10 rfcomm,bnep ppdev 12849 0 snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event snd_timer 28931 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq snd 62064 11 snd_ca0106, snd_ac97_codec,snd_pcm,snd_rawj9fe snd_ca0106,snd_ac97_codec,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 14635 1 snd snd_page_alloc 14108 2 snd_ca0106,snd_pcm sp5100_tco 13495 0 i2c_piix4 13093 0 radeon 733693 3 ttm 65344 1 radeon drm_kms_helper 45466 1 radeon drm 197692 5 radeon,ttm,drm_kms_helper i2c_algo_bit 13199 1 radeon mac_hid 13077 0 shpchp 32325 0 ati_agp 13242 0 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp usbhid 41906 0 hid 77367 1 usbhid 8139too 23283 0 8139cp 26759 0 pata_atiixp 12999 1 Output from "sudo lshw -C network": *-network description: Ethernet interface product: RTL-8139/8139C/8139C+ vendor: Realtek Semiconductor Co., Ltd. physical id: 5 bus info: pci@0000:02:05.0 logical name: eth0 version: 10 serial: 00:19:21:b6:af:7c size: 10Mbit/s capacity: 100Mbit/s width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 10 0bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=half latency=64 link=no maxlatency=64 mingnt=32 multicast=yes port=MII speed=10Mbit/s resources: irq:20 ioport:b400(size=256) memory:ff5fdc00-ff5fdcff Output from "iwlist scan": lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. Output from "lsb_release -d": Ubuntu 12.04 LTS Output from "uname -mr": 3.2.0-24-generic-pae i686 Output from "sudo /etc/init.d/networking restart": * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces... [ OK ]

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• Software Craftsman Pilgrimage Comes Together

  - by Liam McLennan

  Last week on Software Craftsman Pilgrimage I was trying to organise where I will be travelling, and the companies I will be pairing with. I now have a confirmed itinerary. 9 - 11th April Alt.NET Seattle 12th April Craftsman visit with Didit (Long Island) 13th April rest day :) 14th April Craftsman visit with Obtiva (Chicago) 15th – 16th April Craftsman visit with 8th Light (Chicago) 17th – 18th April Seattle Code Camp I am looking forward to all of my visits and talking to all the smart people who work there. I will be blogging my progress and hopefully shooting some video. If you are in Seattle, New York or Chicago and would like to meet up to chat about craftsmanship, programming, ruby or .NET please email me.

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• JCP Party Tonight...10th Annual JCP Award Unveiling

  - by heathervc

  Tonight is the night-attend the Presentation of the 10th Annual JCP Awards! This year's JCP Award nominee list has been finalized, and the winners will be announced tonight during the JCP party at the Infusion Lounge.  We will open the doors at 6:30 PM; awards presentation at 7:00 PM.  This year's three award categories are Member of the Year, Outstanding Spec Lead, and Most Significant JSR. The JCP Member/Participant of the Year shines the light on who has shown the leadership and commitment that led to the most positive impact on the community. The Outstanding Spec Lead highlights the individual who led a specific JSR with exceptional efficiency and execution. The Most Significant JSR recognizes the most significant JSR for the Java community in the past year. Read the final list of the nominees and their profiles now.  Hope to see you there!

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• Purple Screen then Black Screen while Booting from CD or Windows Install

  - by Tyler

  Whenever I try to run Ubuntu from my internal CD drive, I see this screen minus the Ubuntu Text: Then the screen goes black, not even the internal light stays on. Sometimes it restarts itself, other times the black screen is indefinite until I restart the laptop myself. I'm on an HP Quad-Core AMD A8-3500M APU with 8 GB RAM and a Radeon AMD 6620g Discrete-Graphics Card. (HP dv6-6145dx) This is my first time using Linux, I am not too technically-inclined so any simplification would be welcomed. I am good at following technical instructions though which is how I was able to partition my hard drive and change the boot order to allow the internal CD drive first. Thanks in advance!

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• 2D XNA Tile Based Lighting. Ideas and Methods

  - by Twitchy

  I am currently working on developing a 2D tile based game, similar to the game 'Terraria'. We have the base tile and chunk engine working and are now looking to implement lighting. Instead of the tile based lighting that terraria uses, I want to implement point lights for torches, etc. I have seen Catalin Zima’s shader based shadows, and this would be perfect for the torches (point lights). My problem here is that the tiles on the surface of the world need to be illuminated, doing this by a big point light is firstly extremely expensive, but also doesn't look right. What I need help with (overall) is... To have a surface that is illuminated regardless of torches, etc. To also have point lights, or smooth tile lighting similar to Catalin Zima’s shader based shadows. Looking forward to your replies. Any ideas are appreciated.

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