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• Week in Geek: New Malware Steals Bitcoin Currency

  - by Asian Angel

  This week we learned how to easily change a dual-booting PC’s default OS, “extract audio from any video using VLC, sneak around paywalls, & delay Windows Live Mesh during boot”, shrink videos to fit an Android phone with VLC, fix damaged or broken audio cables, “decide between an ISO or TS folder, help Windows 7 remember folder locations, & convert books for the Kindle”, and more. Photo by Profound Whatever.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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• List of social networks which allow developers to find out friend of friends info

  - by Jack

  I have been working on social application development for some time now. I now need to build an application which makes use of friend of friends data. Any info like friend count, interest, location etc. would be helpful. Here's the list I have till now 1) Networks where you can find info about your friend of friends Twitter,Digg 2) Complement Facebook, MySpace, Orkut I am more interested in the latter category. Any help will be appreciated.

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• How to set up an insert to a grails created file with next sequence number?

  - by Jack BeNimble

  I'm using a JMS queue to read from and insert data into a postgres table created by grails. The problem is obtaining the next sequence value. I thought I had found the solution with the following statement (by putting "DEFAULT" where the ID should go), but it's no longer working. I must have changed something, because I needed to recreate the table. What's the best way to get around this problem? ps = c.prepareStatement("INSERT INTO xml_test (id, version, xml_text) VALUES (DEFAULT, 0, ?)"); UPDATE: In response to the suggested solution, I did the following: Added this to the the domain: class XmlTest { String xmlText static constraints = { id generator:'sequence', params:[name:'xmltest_sequence'] } } And changed the insert statement to the following: ps = c.prepareStatement("INSERT INTO xml_test (id, version, xml_text) VALUES (nextval('xmltest_sequence'), 0, ?)"); However, when I run the statement, I get the following error: [java] 1 org.postgresql.util.PSQLException: ERROR: relation "xmltest_sequence" does not exist Any thoughts?

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• Django site on Nginx+FastCGI goes (504 gateway timeout)

  - by jack

  Sometimes my whole Django based site goes into 504 gateway timeout errors so none page can be displayed. Is it possible to write a shell program and cronjob it run every 5 minutes to detect such errors and restart FastCGI process if needed? I'm currently using command below to restart FastCGI in case it's crashed but it doesn't work for above situation because when 504 gateway errors occur, the processes are still running. ps ax | grep -v grep | grep port=8001 > /dev/null || restart_fcgi.sh

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• Bluetooth refuses to connect since update to Ubuntu Gnome 13.10

  - by Niklas Berg

  I can no longer connect to my bluetooth speakers since since upgrading to Ubuntu Gnome 13.10 and then Gnome shell to 3.10, which never were a problem with Ubuntu Gnome 13.04. My bluetooth-dongle seems to working fine and I can even detect and add the speakers (Creative D100) but when I try to slide the button from off to on in the bluetooth settings it just slides back to off. The "bluetooth-B" in the upper right corner is also gone. I actually managed to connect after I added "Enable=Socket" under "[general]" /etc/bluetooth/audio.conf and the indicator on the speakers confirms the connection, but I cannot find the speakers in the audio settings even then. I've tried to solve this for several days, reading tons of other possibly related questions here on ask ubuntu and elsewhere but am unable to find a solution. Any ideas?

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• composite-video-to-usb adaptor

  - by sawa

  I bought a composite-video-to-usb adaptor. I want to stream video game in ubuntu. How can I do that? My environment: Monoprice USB Video and Audio Grabber Ubuntu 11.04 The relevant output of lsusb: Bus 001 Device 011: ID 0572:262a Conexant Systems (Rockwell), Inc. The relevant output of sudo lshw: *-usb:0 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #4 vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:16 ioport:f0e0(size=32) *-usb:1 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #5 vendor: Intel Corporation physical id: 1a.1 bus info: pci@0000:00:1a.1 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:21 ioport:f0c0(size=32) *-usb:2 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #6 vendor: Intel Corporation physical id: 1a.2 bus info: pci@0000:00:1a.2 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:f0a0(size=32) *-usb:3 description: USB Controller product: 82801JI (ICH10 Family) USB2 EHCI Controller #2 vendor: Intel Corporation physical id: 1a.7 bus info: pci@0000:00:1a.7 version: 00 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:18 memory:e0525c00-e0525fff *-multimedia description: Audio device product: 82801JI (ICH10 Family) HD Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 00 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=HDA Intel latency=0 resources: irq:43 memory:e0520000-e0523fff *-usb:4 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #1 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:23 ioport:f080(size=32) *-usb:5 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #2 vendor: Intel Corporation physical id: 1d.1 bus info: pci@0000:00:1d.1 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:19 ioport:f060(size=32) *-usb:6 description: USB Controller product: 82801JI (ICH10 Family) USB UHCI Controller #3 vendor: Intel Corporation physical id: 1d.2 bus info: pci@0000:00:1d.2 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:f040(size=32) *-usb:7 description: USB Controller product: 82801JI (ICH10 Family) USB2 EHCI Controller #1 vendor: Intel Corporation physical id: 1d.7 bus info: pci@0000:00:1d.7 version: 00 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:23 memory:e0525800-e0525bff The relevant output of dmesg: [18953.220035] usb 1-1: new high speed USB device using ehci_hcd and address 6 [19964.761076] Linux video capture interface: v2.00 [19964.767112] usbcore: registered new interface driver uvcvideo [19964.767115] USB Video Class driver (v1.0.0)

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• How to Use Steam In-Home Streaming

  - by Chris Hoffman

  Steam’s In-Home Streaming is now available to everyone, allowing you to stream PC games from one PC to another PC on the same local network. Use your gaming PC to power your laptops and home theater system. This feature doesn’t allow you to stream games over the Internet, only the same local network. Even if you tricked Steam, you probably wouldn’t get good streaming performance over the Internet. Why Stream? When you use Steam In-Home streaming, one PC sends its video and audio to another PC. The other PC views the video and audio like it’s watching a movie, sending back mouse, keyboard, and controller input to the other PC. This allows you to have a fast gaming PC power your gaming experience on slower PCs. For example, you could play graphically demanding games on a laptop in another room of your house, even if that laptop has slower integrated graphics. You could connect a slower PC to your television and use your gaming PC without hauling it into a different room in your house. Streaming also enables cross-platform compatibility. You could have a Windows gaming PC and stream games to a Mac or Linux system. This will be Valve’s official solution for compatibility with old Windows-only games on the Linux (Steam OS) Steam Machines arriving later this year. NVIDIA offers their own game streaming solution, but it requires certain NVIDIA graphics hardware and can only stream to an NVIDIA Shield device. How to Get Started In-Home Streaming is simple to use and doesn’t require any complex configuration — or any configuration, really. First, log into the Steam program on a Windows PC. This should ideally be a powerful gaming PC with a powerful CPU and fast graphics hardware. Install the games you want to stream if you haven’t already — you’ll be streaming from your PC, not from Valve’s servers. (Valve will eventually allow you to stream games from Mac OS X, Linux, and Steam OS systems, but that feature isn’t yet available. You can still stream games to these other operating systems.) Next, log into Steam on another computer on the same network with the same Steam username. Both computers have to be on the same subnet of the same local network. You’ll see the games installed on your other PC in the Steam client’s library. Click the Stream button to start streaming a game from your other PC. The game will launch on your host PC, and it will send its audio and video to the PC in front of you. Your input on the client will be sent back to the server. Be sure to update Steam on both computers if you don’t see this feature. Use the Steam > Check for Updates option within Steam and install the latest update. Updating to the latest graphics drivers for your computer’s hardware is always a good idea, too. Improving Performance Here’s what Valve recommends for good streaming performance: Host PC: A quad-core CPU for the computer running the game, minimum. The computer needs enough processor power to run the game, compress the video and audio, and send it over the network with low latency. Streaming Client: A GPU that supports hardware-accelerated H.264 decoding on the client PC. This hardware is included on all recent laptops and PCs. Ifyou have an older PC or netbook, it may not be able to decode the video stream quickly enough. Network Hardware: A wired network connection is ideal. You may have success with wireless N or AC networks with good signals, but this isn’t guaranteed. Game Settings: While streaming a game, visit the game’s setting screen and lower the resolution or turn off VSync to speed things up. In-Home Steaming Settings: On the host PC, click Steam > Settings and select In-Home Streaming to view the In-Home Streaming settings. You can modify your streaming settings to improve performance and reduce latency. Feel free to experiment with the options here and see how they affect performance — they should be self-explanatory. Check Valve’s In-Home Streaming documentation for troubleshooting information. You can also try streaming non-Steam games. Click Games > Add a Non-Steam Game to My Library on your host PC and add a PC game you have installed elsewhere on your system. You can then try streaming it from your client PC. Valve says this “may work but is not officially supported.” Image Credit: Robert Couse-Baker on Flickr, Milestoned on Flickr

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• Javascript: Collision detection

  - by jack moore

  Hello, could someone please help me to understand how collision detection works in JS? I can't use jQuery or gameQuery - already using prototype - so, I'm looking for something very simple. Not asking for complete solution, just point me to the right direction. Let's say there's: <div id="ball"></div> and <div id="someobject0"></div> Now the ball is moving (any direction). "Someobject"(0-X) is already pre-defined and there's 20-60 of them randomly positioned like this: #someobject {position: absolute; top: RNDpx; left: RNDpx;} I can create an array with "someobject(X)" positions and test collision while the "ball" is moving... Something like: for(var c=0; c<objposArray.length; c++){ ........ and code to check ball's current position vs all objects one by one.... } But I guess this would be a "noob" solution and it looks pretty slow. Is there anything better?

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• ETW tracking from .net, user mode and driver

  - by Jack Juiceson

  Hi everyone, We have an application that parts of it are in .net, c++ usermode and C++ drivers. The application is divided into several executables that run on demand and communication with each other using LPC(the processes run in different sessions(winlogon)). Currently We have a home written logging service to which .net and c++ usermode communicate by sending LPC messages. The driver uses DbgPrint and is not always enabled, as it causes the code to run 30% slower(we have lots of logging). I want to have all the logs written in one place and preferably not writing the logger myself(I love log4cpp and log4net). The requirement is to write from all the executables and drivers into one place and to have minimal overhead. I have read that ETW is way to go, however I wasn't able to find already written logger that uses it like log4cpp or log4net. So basically my questions is, do you know if there is already implemented ETW appender for log4cpp and log4net I can use ?

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• Some general C questions.

  - by b-gen-jack-o-neill

  Hello. I am trying to fully understand the process pro writing code in some language to execution by OS. In my case, the language would be C and the OS would be Windows. So far, I read many different articles, but I am not sure, whether I understand the process right, and I would like to ask you if you know some good articles on some subjects I couldn´t find. So, what I think I know about C (and basically other languages): C compiler itself handles only data types, basic math operations, pointers operations, and work with functions. By work with functions I mean how to pass argument to it, and how to get output from function. During compilation, function call is replaced by passing arguments to stack, and than if function is not inline, its call is replaced by some symbol for linker. Linker than find the function definition, and replace the symbol to jump adress to that function (and of course than jump back to program). If the above is generally true and I get it right, where to final .exe file actually linker saves the functions? After the main() function? And what creates the .exe header? Compiler or Linker? Now, additional capabilities of C, today known as C standart library is set of functions and the declarations of them, that other programmers wrote to extend and simplify use of C language. But these functions like printf() were (or could be?) written in different language, or assembler. And there comes my next question, can be, for example printf() function be written in pure C without use of assembler? I know this is quite big question, but I just mostly want to know, wheather I am right or not. And trust me, I read a lots of articles on the web, and I would not ask you, If I could find these infromation together on one place, in one article. Insted I must piece by piece gather informations, so I am not sure if I am right. Thanks.

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• Using Directives, Namespace and Assembly Reference - all jumbled up with StyleCop!

  - by Jack

  I like to adhere to StyleCop's formatting rules to make code nice and clear, but I've recently had a problem with one of its warnings: All using directives must be placed inside of the namespace. My problem is that I have using directives, an assembly reference (for mocking file deletion), and a namespace to juggle in one of my test classes: using System; using System.IO; using Microsoft.Moles.Framework; using Microsoft.VisualStudio.TestTools.UnitTesting; [assembly: MoledType(typeof(System.IO.File))] namespace MyNamespace { //Some Code } The above allows tests to be run fine - but StyleCop complains about the using directives not being inside the namespace. Putting the usings inside the namespace gives the error that "MoledType" is not recognised. Putting both the usings and the assembly reference inside the namespace gives the error 'assembly' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are 'type'. All attributes in this block will be ignored. It seems I've tried every layout I can but to no avail - either the solution won't build, the mocking won't work or StyleCop complains! Does anyone know a way to set these out so that everything's happy? Or am I going to have to ignore the StyleCop warning in this case?

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• Probably an easy one - PHP/CodeIgniter 'Undefined Variable'

  - by Jack W-H

  Morning y'all This is probably an easy one but I barely got any sleep last night and am struggling to comprehend anything. I've got a CodeIgniter library I've made called Points.php. Here's the contents of Points: <?php if (!defined('BASEPATH')) exit('No direct script access allowed'); class Points { function __construct() { $this->ci =& get_instance(); $this->ci->load->database(); } function getpoints($params) { echo $userid; } } /* End of file Points.php */ /* Location: ./application/libraries/Points.php */ ?> As you can see, I'm building it up slowly and it's being kept simple. In one of my views, I want it to display the number of 'points' (which for the time being is simply the third segment of the URI). I call it like this: <p>Points: <?php $params['user_id']=$this->uri->segment(3,1); echo $this->points->getpoints($params); ?></p> The warning I get back in the view is this: A PHP Error was encountered Severity: Notice Message: Undefined variable: userid Filename: libraries/Points.php Yes I know it's such a simple problem but I've tried lots of things. Some variations include echoing in Points.php $params['userid']; etc. But I don't see what I'm doing wrong? This is my first CodeIgniter class and I've fallen at the first step, haha...

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• What is missing from the Java API?

  - by Jack

  I started using Java years ago and I've always found almost everything I need inside the standard API provided with JDK SE, with the exception of specific things that don't fit well inside a generic API, like GUI elements (graphs or so on) or advanced mathematical API.. So I was wondering: Which are the most important things that the Java API is missing? When I say "important", I mean either things that you have often needed, but have had to rely on custom libraries, or things that are usually are included in APIs, but not in Java's.

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• Axis2 Class Generation

  - by Jack

  I have an instance of a derived class (called Child) that I would like to send between the client and server of my web service. However, the method that might be returning this instance, is marked as returning an instance of the parent class (called Parent). For example: public class Service{public Parent createInstanceOfParentOrChildObject();} While Child is not a parameter anywhere in the service nor is it ever specifically named as a return type (only Parent is ever named), it is nonetheless generated and returned inside certain methods (and then cast to Parent). I generated the wsdl file using Axis2 1.4.1 java2wsdl and specifying that it include this class (using the -xc parameter). I did not use Axis2 1.5.1 because it was not honoring the -xc parameter though it looks like that bug is supposedly fixed in Axis2 1.6. I even did a quick check of the generated .wsdl file to ensure that it did indeed include a definition for Child (and, of course, Parent). However, when I used wsdl2java to generate the server-side (and client-side) code, Child was not generated. How can I get wsdl2java to generate Child? I realize that I could do this by hand but I don't want to have to do this for both the client and server. I was also hoping that I could make this as easy as possible for people to use my wsdl to generate their own clients.

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• Is using a StringBuilder for writing XML ok?

  - by Jack Lawson

  It feels dirty. But maybe it isn't... is it ok to use a StringBuilder for writing XML? My gut instinct says "although this feels wrong, it's probably pretty darn performant because it's not loading extra libraries and overhead." Here's what it looks like. I'm building an OpenSearch XML doc based on the domain you come in from. public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/xml"; string domain = WebUtils.ReturnParsedSourceUrl(null); //returns something like www.sample.com string cachedChan = context.Cache[domain + "_opensearchdescription"] as String; if (cachedChan == null) { StringBuilder sb = new StringBuilder(); sb.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); sb.Append("<OpenSearchDescription xmlns=\"http://a9.com/-/spec/opensearch/1.1/\" xmlns:moz=\"http://www.mozilla.org/2006/browser/search/\">"); sb.Append(" <ShortName>Search</ShortName>"); sb.Append(" <Description>Use " + domain + " to search.</Description>"); sb.Append(" <Contact>[email protected]</Contact>"); sb.Append(" <Url type=\"text/html\" method=\"get\" template=\"http://" + domain + "/Search.aspx?q={searchTerms}\" />"); sb.Append(" <moz:SearchForm>http://" + domain + "/Search.aspx</moz:SearchForm>"); sb.Append(" <Image height=\"16\" width=\"16\" type=\"image/x-icon\">http://" + domain + "/favicon.ico</Image>"); sb.Append("</OpenSearchDescription>"); cachedChan = sb.ToString(); context.Cache.Insert(domain + "_opensearchdescription", cachedChan, null, DateTime.Now.AddDays(14), TimeSpan.Zero); } context.Response.Write(cachedChan); }

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• using isight camera in macbookpro(8,2) on ubuntu 12.04 virtualbox VM

  - by Kurt Spindler

  I'm having a lot of trouble using the built-in isight camera on my macbookpro8,2 (early 2011) from an ubuntu 12.04 virtual machine, run inside VirtualBox. The following is the log I get when I try to run guvcview ubuntu@ubuntu:~$ guvcview guvcview 1.5.3 ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71 ALSA lib setup.c:565:(add_elem) Cannot obtain info for CTL elem (MIXER,'IEC958 Playback Default',0,0,0): No such file or directory ALSA lib setup.c:565:(add_elem) Cannot obtain info for CTL elem (MIXER,'IEC958 Playback Default',0,0,0): No such file or directory ALSA lib setup.c:565:(add_elem) Cannot obtain info for CTL elem (MIXER,'IEC958 Playback Default',0,0,0): No such file or directory ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playback stream Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started video device: /dev/video0 Init. FaceTime HD Camera (Built-in) (location: usb-0000:00:0b.0-1) { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 160, height = 120 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 640, height = 480 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 1/10, { pixelformat = 'MJPG', description = 'MJPEG' } { discrete: width = 960, height = 540 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1024, height = 576 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { pixelformat = 'RGB3', description = 'RGB3' } { discrete: width = 160, height = 120 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 640, height = 480 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 960, height = 540 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1024, height = 576 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { pixelformat = 'BGR3', description = 'BGR3' } { discrete: width = 160, height = 120 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 640, height = 480 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 960, height = 540 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1024, height = 576 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { pixelformat = 'YU12', description = 'YU12' } { discrete: width = 160, height = 120 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 640, height = 480 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 960, height = 540 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1024, height = 576 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { pixelformat = 'YV12', description = 'YV12' } { discrete: width = 160, height = 120 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 640, height = 480 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1280, height = 720 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 960, height = 540 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, { discrete: width = 1024, height = 576 } Time interval between frame: 100/2997, 1/25, 1/24, 1/15, vid:05ac pid:8509 driver:uvcvideo checking format: 1196444237 VIDIOC_G_COMP:: Invalid argument compression control not supported fps is set to 1/25 drawing controls no codec detected for H264 no codec detected for MP3 - (lavc) Checking video mode 960x540@32bpp : OK Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable Could not grab image (select timeout): Resource temporarily unavailable write /home/ubuntu/.guvcviewrc OK free controls cleaned allocations - 100% Closing portaudio ...OK Closing GTK... OK ubuntu@ubuntu:~$ Any help would be greatly appreciated. Only clue I have is that I initially was having problems, tried using the old method of fixing isights (involving installing isight-firmware-tools) before realizing that I just hadn't turned on the VM setting to allow the VM to access the webcam. :) Anyway, I wonder if installing that messed something up. However, I think this is a red herring because I've: shut down and turned back on the Mac, restarted the VM, tried a different VM (for which I never installed isight-firmware-tools, and created an entirely new ubuntu vm. All instances have had this problem. Similarly, other viewers, such as cheese, avplay, avconv have had all various kinds of errors.

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• check status application pool iis7 with csharp (access-denied)

  - by jack

  I need to monitor the status of an application in the applications pool of IIS 7 from an other machine on the same domain. My monitoring application must be in C# and running as a Windows service. On my server, I create a user with administration rights and I execute the command aspnet_regiis -ga machine\username wich worked succesfully. My problem is when I try to access the application pool i still get COMExcepttion "Access denied". What did i do wrong or wich step did i miss? I used code from http://patelshailesh.com/index.php/create-a-website-application-pool-programmatically-using-csharp as example. int status = 0; string ipAddress = "10.20.2.13"; string username = "username"; string password = "password"; try { DirectoryEntry de = new DirectoryEntry(string.Format("IIS://{0}/W3SVC/AppPools/MyAppPoolName", ipAddress), username, password); //the exception is thron here. status = (int)de.InvokeGet("AppPoolState"); switch (status) { case 2: //Runnig break; case 4: //Stopped break; default: break; } } catch (Exception ex) { }

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• How to mount an ISO (or NRG) image and rip it as if it were a physical CD?

  - by Michael Robinson

  I have an ISO (created from an NRG with nrg2iso) backup of a beloved game from my youth: Dark Reign: Rise of the Shadowhand (1998). I with to relive those better times by listening to game's soundtrack. Is there a way for me to mount said ISO in such a way that I can rip the audio tracks into mp3 files? I ask because although I can successfully mount the ISO, ripit / abcde report no cd inserted. How I mounted the ISO: sudo mount -t iso9660 -o loop iso.iso /media/ISO Alternatively is there another way to recover audio from ISO / NRG images? Update: I was able to mount the NRG version of my backup in a way that ripit recognized using gCDEmu. ripit failed to rip, however, barfing on the first track - which is most definitely a data track. Is there a way to make ripit ignore the first track?

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• Oracle Enterprise Server SOAP/Servlet/SoapRouter

  - by JACK

  Does anyone know any sample Oracle SOAP XML requests that that queries the database? For example, the url: http://myoracle:7778/oracle/soap/soaprouter/ I'd like to program xml requests and get return xml database. But I have no idea on the Oracle SOAP format. Please provide an example.

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• How to deal with recursive dependencies between static libraries using the binutils linker?

  - by Jack Lloyd

  I'm porting an existing system from Windows to Linux. The build is structured with multiple static libraries. I ran into a linking error where a symbol (defined in libA) could not be found in an object from libB. The linker line looked like g++ test_obj.o -lA -lB -o test The problem of course being that by the time the linker finds it needs the symbol from libA, it has already passed it by, and does not rescan, so it simply errors out even though the symbol is there for the taking. My initial idea was of course to simply swap the link (to -lB -lA) so that libA is scanned afterwards, and any symbols missing from libB that are in libA are picked up. But then I find there is actually a recursive dependency between libA and libB! I'm assuming the Visual C++ linker handles this in some way (does it rescan by default?). Ways of dealing with this I've considered: Use shared objects. Unfortunately this is undesirable from the perspective of requiring PIC compliation (this is performance sensitive code and losing %ebx to hold the GOT would really hurt), and shared objects aren't needed. Build one mega ar of all of the objects, avoiding the problem. Restructure the code to avoid the recursive dependency (which is obviously the Right Thing to do, but I'm trying to do this port with minimal changes). Do you have other ideas to deal with this? Is there some way I can convince the binutils linker to perform rescans of libraries it has already looked at when it is missing a symbol?

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• How to get stack trace of a running process from within a Visual Studio add-in?

  - by Jack

  I am writing a Visual Studio add-in in C# which will run while I am debugging a process in the same Visual Studio window and I need access to that the process' stack trace from within my add-in. I tried putting this code into my add-in but it returns the add-in's stack trace, not the process I am debugging. System.Diagnostics.StackTrace stacktrace = new System.Diagnostics.StackTrace(true); System.Diagnostics.StackFrame stackframe = stacktrace.GetFrame(0); Any help would be appreciated.

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• How do I create an empty custom table in Wix

  - by Samuel Jack

  How do I get Wix to include a CustomTable with no rows in the final MSI? If I simply define the table like this <CustomTable Id="MyTable"> <Column Id="Id" Type="string" Category="Identifier" PrimaryKey="yes"/> <Column Id="Root" Type="string"/> <Column Id="Key" Type="string"/> <Column Id="Name" Type="string"/> </CustomTable> Wix omits it from the final output. My CustomAction is expecting it to be there, so that it can add rows to it during execution. Any ideas?

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• DjangoUnicodeDecodeError while storing pickle'd data.

  - by Jack M.

  I've got a simple dict object I'm trying to store in the database after it has been run through pickle. It seems that Django doesn't like trying to encode this error. I've checked with MySQL, and the query isn't even getting there before it is throwing the error, so I don't believe that is the problem. The dict I'm storing looks like this: { 'ordered': [ { 'value': u'First\xd1ame Last\xd1ame', 'label': u'Full Name' }, { 'value': u'123-456-7890', 'label': u'Phone Number' }, { 'value': u'[email protected]', 'label': u'Email Address' } ], 'cleaned_data': { u'Phone Number': u'123-456-7890', u'Full Name': u'First\xd1ame Last\xd1ame', u'Email Address': u'[email protected]' }, 'post_data': <QueryDict: { u'Phone Number': [u'1234567890'], u'Full Name_1': [u'Last\xd1ame'], u'Full Name_0': [u'First\xd1ame'], u'Email Address': [u'[email protected]'] }>, 'user': <User: itis> } The error that gets thrown is: 'utf8' codec can't decode bytes in position 52-53: invalid data. Position 52-53 is the first instance of \xd1 (Ñ) in the pickled data. So far, I've dug around StackOverflow and found a few questions where the database encoding for the objects was wrong. This doesn't help me because there is no MySQL query yet. This is happening before the database. Google also didn't help much when searching for unicode errors on pickled data. It is probably worth mentioning that if I don't use the Ñ, this code works fine.

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• Sound problems in Unity - input but no output

  - by ana

  I am new to Ubuntu, having just installed it for the first time on my Lenovo Thinkpad. Since I installed it I have no sound output whatsoever. However, I can see from the graphical interface in Sound Preferences Input that the sound input appears to be working correctly. I have tried the following: https://help.ubuntu.com/community/HdaIntelSoundHowto https://wiki.ubuntu.com/Audio/InstallingLinuxAlsaDriverModules ubuntu-bug audio I have two sound cards, cat card0/codec* | grep Codec Codec: Conexant CX20585 Codec: Conexant ID 2c06 cat card1/codec* | grep Codec Codec: Nvidia GPU 0b HDMI/DP Codec: Nvidia GPU 0b HDMI/DP Codec: Nvidia GPU 0b HDMI/DP Codec: Nvidia GPU 0b HDMI/DP And now have pretty much run out of ideas. Can anybody help?

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• Problem with printing output using PHP library

  - by Jack

  I am using the PHP library tools on a we hosting service( with cURL enabled). I have so far tried 2 tools but I cant get the output of my code to print to the screen. http://github.com/jdp/twitterlibphp - PHP library Sample code - <?php require("twitter.lib.php"); $twitter = new Twitter("xxxx", "xxxxx"); $public_timeline = $twitter->getPublicTimeline(); echo'<pre>'; print_r( $public_timeline ); echo'</pre>'; ?> I don't get any output. What can be the problem? Do I need to install any modules or packages? Please Help

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