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  • unable to run Selenium webdriver in windows - Permission denied - bind(2) (Errno::EACCES)

    - by mrd abd
    I want to start Selenium web driver in Windows 7 with Ruby 2. but i get error Permission denied - bind(2) (Errno::EACCES) Even in running with Administrator permission. here is my simple ruby code: require "selenium-webdriver" driver = Selenium::WebDriver.for :firefox driver.navigate.to "http://google.com" element = driver.find_element(:name, 'q') element.send_keys "Hello WebDriver!" element.submit puts driver.title driver.quit and here is the error: E:\ruby\930305\Studio\Ruby\test>ruby selenium.rb C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/w ebdriver/common/port_prober.rb:28:in `initialize': Permission denied - bind(2) (Errno::EACCES) from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/port_prober.rb:28:in `new' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/port_prober.rb:28:in `block in free?' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/port_prober.rb:26:in `each' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/port_prober.rb:26:in `free?' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/port_prober.rb:5:in `above' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/firefox/launcher.rb:49:in `find_free_port' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/firefox/launcher.rb:33:in `block in launch' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/firefox/socket_lock.rb:20:in `locked' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/firefox/launcher.rb:32:in `launch' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/firefox/bridge.rb:24:in `initialize' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/driver.rb:31:in `new' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver/common/driver.rb:31:in `for' from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.42.0/lib/selenium/webdriver.rb:67:in `for' from selenium.rb:3:in `<main>'

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  • Resolving ambiguous this pointer in C++

    - by Paul Tevis
    I'm trying to derive a new class from an old one. The base class declaration looks like this: class Driver : public Plugin, public CmdObject { protected: Driver(); public: static Driver* GetInstance(); virtual Engine& GetEngine(); public: // Plugin methods... virtual bool InitPlugin (Mgr* pMgr); virtual bool Open(); virtual bool Close(); // CmdObject virtual bool ExecObjCmd(uint16 cmdID, uint16 nbParams, CommandParam *pParams, CmdChannelError& error); Mgr *m_pMgr; protected: Services *m_pServices; Engine m_Engine; }; Its constructor looks like this: Driver::Driver() : YCmdObject("Driver", (CmdObjectType)100, true), m_Engine("MyEngine") { Services *m_pServices = NULL; Mgr *m_pMgr = NULL; } So when I created my derived class, I first tried to simply inherit from the base class: class NewDriver : public Driver and copy the constructor: NewDriver::NewDriver() : CmdObject("NewDriver", (EYCmdObjectType)100, true), m_Engine("MyNewEngine") { Services *m_pServices = NULL; Mgr *m_pMgr = NULL; } The compiler (VisualDSP++ 5.0 from Analog Devices) didn't like this: ".\NewDriver.cpp", line 10: cc0293: error: indirect nonvirtual base class is not allowed CmdObject("NewDriver", (EYCmdObjectType)100, true), That made sense, so I decided to directly inherit from Plugin and CmdObject. To avoid multiple inheritance ambiguity problems (so I thought), I used virtual inheritance: class NewDriver : public Driver, public virtual Plugin, public virtual CmdObject But then, in the implementation of a virtual method in NewDriver, I tried to call the Mgr::RegisterPlugin method that takes a Plugin*, and I got this: ".\NewDriver.cpp", line 89: cc0286: error: base class "Plugin" is ambiguous if (!m_pMgr->RegisterPlugin(this)) How is the this pointer ambiguous, and how do I resolve it? Thanks, --Paul

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  • Windows Server 2008 R2 SP1 Drivers Missing Would Not Install?

    - by bleepzter
    I am building my dev machine with WS2008R2SP1. I consider Windows Server as the best development environment for C# since I tend to focus on server-centric (integration) applications. The desktop flavor of Windows (7) doesn't play nicely with things like Commerce Server or BizTalk... so I to like stick to the environment I develop for. Previously I used to develop inside of VM's but I've found that it is super inefficient and tends to take a toll on the laptops. (I've gone through two of them in 6 months). Problem is that I multiple devices that do not want to be recognized by Windows: My machine is Dell Precision M4500: Intel Core i7-Q740, 1TB HDD, 8GB RAM, Dell re-branded Broadcom DW1501 802x11n Half-Mini Card, Dell re-branded Broadcom DW375 Bluetooh Module, Intel 82577LM Gigabit Network connection NVidia Quadro FX1800 Graphics The devices in question are the Dell rebranded broadcom network and bluetooth adapters: Broadcom USH: USB\VID_0A5C&PID_5800&REV_0101&MI_00 USB\VID_0A5C&PID_5800&MI_00 DW375 Bluetooth Module USB\VID_413C&PID_8187&REV_0517 USB\VID_413C&PID_8187 When I ran the broadcom installers I get "Operating System not supported" which I think is a big oversight on Broadcom's part. Why check for system version string? UGHGHGH Moreover if I try to manually force the driver in windows... I get an error: Driver Management concluded the process to install driver FileRepository\btwampsecfl.inf_amd64_neutral_d8fc2b85d035ed47\btwampsecfl.inf for Device Instance ID USB\VID_0A5C&PID_5800&MI_00\7&66DE6C9&0&0000 with the following status: 0xe0000217. '- or - Driver Management concluded the process to install driver FileRepository\btwampfl.inf_amd64_neutral_d4c4acf036c61299\btwampfl.inf for Device Instance ID USB\VID_413C&PID_8187\90004EEEF5A6 with the following status: 0xe0000217. I googled the 0xe0000217 error code and it says Bad service install section in the driver inf file... Any ideas on how to fix this? I also tried the post by BetaIQ on MSDN Forum, unfortunately the links to the driver package included in the post were dead :( PS. On a side note I also do mobile development for Android, iOS, and Windows Phone, and BB. Having the bluetooth is quite useful with mobile devices.

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  • Stepmania + KDE4 = sound problem

    - by picca
    I cannot manage to get KDE4 + stepmania working. If I run StepMania I always get: StepMania 3.9 Log starting 2010-12-24 14:52:48 Loading window: gtk OS: Linux ver 020636 Crash backtrace component: x86 custom backtrace Crash lookup component: dladdr Crash demangle component: cxa_demangle Runtime library: glibc 2.11.2 Threads library: NPTL 2.11.2 TLS is available ALSA: Advanced Linux Sound Architecture Driver Version 1.0.23. ALSA Driver: 0: HDA ATI SB [SB], device 0: STAC92xx Analog [STAC92xx Analog], 0/1 subdevices avail ALSA Driver: 0: HDA ATI SB [SB], device 1: STAC92xx Digital [STAC92xx Digital], 1/1 subdevices avail Couldn't load driver ALSA: dsnd_pcm_open(hw:0): Device or resource busy Mixing 0.000000 ahead in 0 Mix() calls Couldn't load driver ALSA-sw: dsnd_pcm_open(hw:0): Device or resource busy Mixing 0.000000 ahead in 0 Mix() calls Couldn't load driver OSS: RageSound_OSS: Couldn't open /dev/dsp: Device or resource busy Language: english Theme: default Error: Couldn't find a sound driver that works I found that in StepMania/Data/StepMania.ini I should add following line: SoundDevice=default That enables me to run StepMania, but I don't have any sound. Which is pretty bad for an application like this one. I'm quite sure that the problem is in phonon that is blocking the audio device to which StepMania needs to access directly. I think that I can fix this if I run other (lighter) window-manager than KDE4. But that is not a solution occasional linux user. Do I have any chance to get StepMania under KDE4 completely working?

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  • Confused with creating an ODBC connection, apparently I have two separate odbcad32.exe files?

    - by Hoser
    Alright, this is my first time working with this so forgive me if I'm a little confusing or vague. I have a server with Windows Server 2008 Standard without Hyper-v (6.0, Build 6002). I'm running a small website off this server and using a Microsoft Access database to store some information coming in through the website. I'm sure the PHP I have written to open the ODBC connection is correct as it has worked for me when I created this website in a testing environment on a laptop. My current issue now is that it seems like I have two different odbcad32.exe's, and one doesn't appear to have a driver for a .accdb file, and only a .mdb file. The other has a driver for both. The first one I speak of has a driver titled 'Driver do Microsoft Access (.mdb)', the second one has a driver titled 'Microsoft Access Driver (.mdb, .accdb)'. I access the first odbcad32.exe by going to C:\Windows\SysWOW64\odbcad32.exe, and then the one that seems to have the driver I need I go to Control Panel-Administrative Tools-Data Sources(ODBC) and simply create a new connection in the System DNS tab. Whenever I make changes to the one that I access through the Control Panel, I see no changes, however if I use the odbcad32.exe file in SysWOW64 I do get some changes in the errors that come back to me. The main difference I noticed is that when I set up an ODBC connection with the Control Panel method it said it simply couldn't find the ODBC connection, but when I made a .mdb connection in the SysWOW64 one (and pointed it to a .accdb file) it says Cannot open database '(unknown)'. It may not be a database that your application recognizes, or the file may be corrupt. Which makes it seem like it is this odbcad32.exe version in SySWOW64 that is being recognized as the 'correct' one. Is there any way to fix this? I've tried to be as thorough as possible but if I've been confusing or left anything out let me know.

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  • How to save a large nhibernate collection without causing OutOfMemoryException

    - by Michael Hedgpeth
    How do I save a large collection with NHibernate which has elements that surpass the amount of memory allowed for the process? I am trying to save a Video object with nhibernate which has a large number of Screenshots (see below for code). Each Screenshot contains a byte[], so after nhibernate tries to save 10,000 or so records at once, an OutOfMemoryException is thrown. Normally I would try to break up the save and flush the session after every 500 or so records, but in this case, I need to save the collection because it automatically saves the SortOrder and VideoId for me (without the Screenshot having to know that it was a part of a Video). What is the best approach given my situation? Is there a way to break up this save without forcing the Screenshot to have knowledge of its parent Video? For your reference, here is the code from the simple sample I created: public class Video { public long Id { get; set; } public string Name { get; set; } public Video() { Screenshots = new ArrayList(); } public IList Screenshots { get; set; } } public class Screenshot { public long Id { get; set; } public byte[] Data { get; set; } } And mappings: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="SavingScreenshotsTrial" namespace="SavingScreenshotsTrial" default-access="property"> <class name="Screenshot" lazy="false"> <id name="Id" type="Int64"> <generator class="hilo"/> </id> <property name="Data" column="Data" type="BinaryBlob" length="2147483647" not-null="true" /> </class> </hibernate-mapping> <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="SavingScreenshotsTrial" namespace="SavingScreenshotsTrial" > <class name="Video" lazy="false" table="Video" discriminator-value="0" abstract="true"> <id name="Id" type="Int64" access="property"> <generator class="hilo"/> </id> <property name="Name" /> <list name="Screenshots" cascade="all-delete-orphan" lazy="false"> <key column="VideoId" /> <index column="SortOrder" /> <one-to-many class="Screenshot" /> </list> </class> </hibernate-mapping> When I try to save a Video with 10000 screenshots, it throws an OutOfMemoryException. Here is the code I'm using: using (var session = CreateSession()) { Video video = new Video(); for (int i = 0; i < 10000; i++) { video.Screenshots.Add(new Screenshot() {Data = camera.TakeScreenshot(resolution)}); } session.SaveOrUpdate(video); }

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  • Insert text into a div from a poput form and rewrite the inserted text with javascript

    - by kuswantin
    So I read some related questions here before I asked, but can't find the answer to my problem. Hope some javascript master here can find this and bring the light to me. I created another button for nicEdit, a video button and wanted to insert some formatted text into the editor DIV (note: nicEdit has inline DIV, no iframe, no textarea). This is my button, recreated from the image button: var nicVideoOptions = { buttons : { 'video' : {name : __('Insert Video'), type : 'nicEditorVideoButton'} //, tags : ['VIDEO:'] }, iconFiles : {'video' : '../movie.png'} }; var nicEditorVideoButton = nicEditorAdvancedButton.extend({ addPane : function() { this.vi = this.ne.selectedInstance.selElm().parentTag('A'); this.addForm({ '' : {type : 'title', txt : 'Insert Video URL'}, 'href' : {type : 'text', txt : 'URL', 'value' : 'http://', style : {width: '150px'}} },this.vi); }, submit : function(e) { var vidVal = this.inputs['href'].value; if(vidVal == "" || vidVal == "http://") { alert("Enter the video url"); return false; } this.removePane(); if(!this.vi) { var tmp = 'javascript:nicVidTemp();'; this.ne.nicCommand("insertVideo",tmp); // still nothing works //this.vi = this.findElm('VIDEO:','href',tmp); //this.vi = this.setContent('[video:' + this.inputs['href'].value + ']'); //nicEditors.findEditor('edit-comment').setContent('<strong>Some HTML</strong> here'); //this.vi = this.setContent('<strong>Some HTML</strong> here'); insertAtCaret(this.ne.selectedInstance, vidVal); } if(this.vi) { // still nothing works //this.vi.setAttributes({ //vidVal : this.inputs['href'].value //}); //this.vi = this.setContent('[video:' + this.inputs['href'].value + ']'); //this.vi = this.setContent('<strong>Some HTML</strong> here'); } } }); nicEditors.registerPlugin(nicPlugin,nicVideoOptions); The button is there, the form poput like the image button, so it's okay. But can't insert the text into the DIV. The final output will be taken from this: ('[video:' + this.inputs['href'].value + ']') and displayed in the editor DIV as is: [video:http//some.com/video-url] As you see, I am blindly touching everything :) And this insertion is taken from: http://www.scottklarr.com/topic/425/how-to-insert-text-into-a-textarea-where-the-cursor-is/ function insertAtCaret(areaId,text) { var txtarea = document.getElementById(areaId); var scrollPos = txtarea.scrollTop; var strPos = 0; var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ? "ff" : (document.selection ? "ie" : false ) ); if (br == "ie") { txtarea.focus(); var range = document.selection.createRange(); range.moveStart ('character', -txtarea.value.length); strPos = range.text.length; } else if (br == "ff") strPos = txtarea.selectionStart; var front = (txtarea.value).substring(0,strPos); var back = (txtarea.value).substring(strPos,txtarea.value.length); txtarea.value=front+text+back; strPos = strPos + text.length; if (br == "ie") { txtarea.focus(); var range = document.selection.createRange(); range.moveStart ('character', -txtarea.value.length); range.moveStart ('character', strPos); range.moveEnd ('character', 0); range.select(); } else if (br == "ff") { txtarea.selectionStart = strPos; txtarea.selectionEnd = strPos; txtarea.focus(); } txtarea.scrollTop = scrollPos; } The flow: I click the button, a form popouts, fill the input text box, hit the query button and the text should appear in the editor DIV. I hope I can make myself clear. Any help would be very much appreaciated Thanks

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  • NVIDIA x server - "sudo nvidia config" does not generate a working 'xorg.config'

    - by Mike
    I am over 18 hours deep on this challenge. I got to this point and am stuck. very stuck. Maybe you can figure it out? Ubuntu Version 12.04 LTS with all the updates installed. Problem: The default settings in "etc/X11/xorg.conf" that are generated by the "nvidia-xconfig" tool, do not allow the NVIDIA x server to connect to the driver in my "System Settings Additional Driver window". (that's how I understand it. Lots of information below). Symptoms of Problem "System Settings Additional Driver" window has drivers, but the nvidia x server cannot connect/utilize any of the 4 drivers. the drivers are activated, but not in use. When I go to "System Tools Administration NVIDIA x server settings" I get an error that basically tells me to create a default file to initialize the NVIDIA X server (screen shot below). This is the messages the terminal gives after running a "sudo nvidia-xconfig" command for the first time. It seems that the generated file by the tool i just ran is generating a bad/unusable file: If I run the "sudo nvidia-xconfig" command again, I wont get an error the second time. However when I reboot, the default file that is generated (etc/X11/xorg.conf) simply puts the screen resolution at 800 x 600 (or something big like that). When I try to go to NVIDIA x server settings I am greeted with the same screen as the screen shot as in symptom 2 (no option to change the resolution). If I try to go to "system settings display" there are no other resolutions to choose from. At this point I must delete the newly minted "xorg.conf" and reinstate the original in its place. Here are the contents of the "xorg.conf" that is generated first (the one missing required information): # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 304.88 (buildmeister@swio-display-x86-rhel47-06) Wed Mar 27 15:32:58 PDT 2013 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" HorizSync 28.0 - 33.0 VertRefresh 43.0 - 72.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Hardware: I ran the "lspci|grep VGA". There results are: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [Quadro 1000M] (rev a1) More Hardware info: Ram: 16GB CPU: Intel Core i7-2720QM @2.2GHz * 8 Other: 64 bit. This is a triple boot computer and not a VM. Attempts With Not Success on My End: 1) Tried to append the "xorg.conf" with what I perceive is missing information and obviously it didn't fly. 2) All the other stuff I tried got me to this point. 3) See if this link is helpful to you (I barely get it, but i get enough knowing that a smarter person might find this useful): http://manpages.ubuntu.com/manpages/lucid/man1/nvidia-xconfig.1.html 4) I am completely new to Linux (40 hours over past week), but not to programming. However I am very serious about changing over to Linux. When you respond (I hope someone responds...) please respond in a way that a person new to Linux can understand. 5) By the way, the reason I am in this mess is because I MUST have a second monitor running from my laptop, and "System Settings Display" doesn't recognize my second display. I know it is possible to make the second display work in my system, because when I boot from the install CD, I perform work on the native laptop monitor, but the second monitor shows a purple screen with Ubuntu in the middle, so I know the VGA port is sending a signal out. If this is too much for you to tackle please suggest an alternative method to get a second display. I don't want to go to windows but I cannot have a single display. I am really fudged here. I hope some smart person can help. Thanks in advance. Mike. **********************EDIT #1********************** More Details About Graphics Card I was asked "which brand of nvidia-card do you have exactly?" Here is what I did to provide more info (maybe relevant, maybe not, but here is everything): 1) Took my Lenovo W520 right apart to see if there is an identifier on the actual card. However I realized that if I get deep enough to take a look, the laptop "won't like it". so I put it back together. Figuring out the card this way is not an option for me right now. 2) (My computer is triple boot) I logged into Win7 and ran 'dxdiag' command. here is the screen shot: 3) I tried to look on the lenovo website for more details... but no luck. I took a look at my receipts and here is info form receipt: System Unit: W520 NVIDIA Quadro 1000M 2GB 4) In win7 I went to the NVIDIA website and used the option to have my card 'scanned' by a Java applet to determine the latest update for my card. I tried the same with Ubuntu but I can't get the applet to run. Here is the recommended driver from from the NVIDIA Applet for my card for Win7 (I hope this shines some light on the specifics of the card): Quadro/NVS/Tesla/GRID Desktop Driver Release R319 Version: 320.00 WHQL Release Date: 3.5.2013 5) Also I went on the NVIDIA driver search and looked through every possible combination of product type + product series + product to find all the combinations that yield a 1000M card. My card is: Product Type: Quadro Product Series: Quadro Series (Notebooks) Product: 1000M ***********************EDIT #2******************* Additional Symptoms Another question that generated more symptoms I previously didn't mention was: "After generating xorg.conf by nvidia-xconfig, go to additional drivers, do you see nvidia-304?" 1) I took a screen shot of the "additional drivers" right after generating xorg.conf by nvidia-xconfig. Here it is: 2) Then I did a reboot. Now Ubuntu is 600 x 800 resolution. When I logged in after the computer came up I got an error (which I always get after generating xorg.conf by nvidia-xconfig and rebooting) 3) To finally answer the question - No. There is no "NVIDIA-304" driver. Screen shot of additional drivers after generating xorg.conf by nvidia-xconfig and rebooting : At this point I revert to the original xorg.conf and delete the xorg.conf generated by Nvidia.

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  • installed 12.04 fine. updated graphics driver. now solid puprle screen.

    - by Zephium
    Purchased a new msi ge 70 series labtop. nvidia card gtx 765m. updated driver after install, and ran update manager. All seems well. restarted as required. Now i have a solid purple screen, even if i use boot menu to recovery mode. all i can do is access grub menu 3.10. live cd will run but i get purple screen and cant see choices. please help and im still learning ubuntu. noob talk prefered. i hate making more mistakes. Thanks also tryed changing lines of kernal code using "e" on boot menu, nomodeset and the like. not helping. any way to fix problem through grub?

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  • Ubuntu hangs at the '_' prompt for 15' when booting. Do I need another driver for my Intel G31/G33 integrated graphics?

    - by Doctoa
    I have an ASROCK which uses Intel G31 graphics. Ubuntu says my graphics chipset is G33. Should I look for another driver or are they from the same family? I am also having problems booting and that purple screen stuck so for this I asked this question. I have partially fixed the purple screen stuck by enabling (uncommenting) this line in grub: GRUB_TERMINAL=console But Ubuntu still hangs at start up for about 15 minutes with a black screen and only the '_' prompt. Here is a link for an overview of my ASROCK G31M-S

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  • .NET: Serializing object to a file from a 3rd party assembly

    - by MacGyver
    Below is a link that describes how to serialize an object. But it requires you implement from ISerializable for the object you are serializing. What I'd like to do is serialize an object that I did not define--an object based on a class in a 3rd party assembly (from a project reference) that is not implementing ISerializable. Is that possible? How can this be done? http://www.switchonthecode.com/tutorials/csharp-tutorial-serialize-objects-to-a-file Property (IWebDriver = interface type): private IWebDriver driver; Object Instance (FireFoxDriver is a class type): driver = new FirefoxDriver(firefoxProfile); ================ 3/21/2012 update after answer posted Why would this throw an error? It doesn't like this line: serializedObject.DriverInstance = (FirefoxDriver)driver; ... Error: Cannot implicitly convert type 'OpenQA.Selenium.IWebDriver' to 'OpenQA.Selenium.Firefox.FirefoxDriver'. An explicit conversion exists (are you missing a cast?) Here is the code: FirefoxDriverSerialized serializedObject = new FirefoxDriverSerialized(); Serializer serializer = new Serializer(); serializedObject = serializer.DeSerializeObject(@"C:\firefoxDriver.qa"); driver = serializedObject.DriverInstance; if (driver == null) { driver = new FirefoxDriver(firefoxProfile); serializedObject.DriverInstance = (FirefoxDriverSerialized)driver; serializer.SerializeObject(@"C:\firefoxDriver.qa", serializedObject); } Here are the two Serializer classes I built: public class Serializer { public Serializer() { } public void SerializeObject(string filename, FirefoxDriverSerialized objectToSerialize) { Stream stream = File.Open(filename, FileMode.Create); BinaryFormatter bFormatter = new BinaryFormatter(); bFormatter.Serialize(stream, objectToSerialize); stream.Close(); } public FirefoxDriverSerialized DeSerializeObject(string filename) { FirefoxDriverSerialized objectToSerialize; Stream stream = File.Open(filename, FileMode.Open); BinaryFormatter bFormatter = new BinaryFormatter(); objectToSerialize = (FirefoxDriverSerialized)bFormatter.Deserialize(stream); stream.Close(); return objectToSerialize; } } [Serializable()] public class FirefoxDriverSerialized : FirefoxDriver, ISerializable { private FirefoxDriver driverInstance; public FirefoxDriver DriverInstance { get { return this.driverInstance; } set { this.driverInstance = value; } } public FirefoxDriverSerialized() { } public FirefoxDriverSerialized(SerializationInfo info, StreamingContext ctxt) { this.driverInstance = (FirefoxDriver)info.GetValue("DriverInstance", typeof(FirefoxDriver)); } public void GetObjectData(SerializationInfo info, StreamingContext ctxt) { info.AddValue("DriverInstance", this.driverInstance); } } ================= 3/23/2012 update #2 - fixed serialization/de-serialization, but having another issue (might be relevant for new question) This fixed the calling code. Because we're deleting the *.qa file when we call the WebDriver.Quit() because that's when we chose to close the browser. This will kill off our cached driver as well. So if we start with a new browser window, we'll hit the catch block and create a new instance and save it to our *.qa file (in the serialized form). FirefoxDriverSerialized serializedObject = new FirefoxDriverSerialized(); Serializer serializer = new Serializer(); try { serializedObject = serializer.DeSerializeObject(@"C:\firefoxDriver.qa"); driver = serializedObject.DriverInstance; } catch { driver = new FirefoxDriver(firefoxProfile); serializedObject = new FirefoxDriverSerialized(); serializedObject.DriverInstance = (FirefoxDriver)driver; serializer.SerializeObject(@"C:\firefoxDriver.qa", serializedObject); } However, still getting this exception: Acu.QA.Main.Test_0055_GiftCertificate_UserCheckout: SetUp : System.Runtime.Serialization.SerializationException : Type 'OpenQA.Selenium.Firefox.FirefoxDriver' in Assembly 'WebDriver, Version=2.16.0.0, Culture=neutral, PublicKeyToken=1c2bd1631853048f' is not marked as serializable. TearDown : System.NullReferenceException : Object reference not set to an instance of an object. The 3rd line in this code block is throwing the exception: public void SerializeObject(string filename, FirefoxDriverSerialized objectToSerialize) { Stream stream = File.Open(filename, FileMode.Create); BinaryFormatter bFormatter = new BinaryFormatter(); bFormatter.Serialize(stream, objectToSerialize); // <=== this line stream.Close(); }

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  • What are the video formats supported by MPMoviePlayerController on the iPad?

    - by Mike
    When you use iTunes to sync your videos with the iPhone the videos are always saved with no more than 640 pixels wide, if I am not wrong. What about the iPad? What is the size of videos iTunes syncs with iPad? 1024x768? and what if the video has a dimension below 1024x768? Will it scale up? or will it keep the video at low res and scale when you play? The question is because I am using the MPMoviePlayerController and I need to know what resolutions to expect, so I can adjust the interface. thanks.

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  • What video conferencing software is suitable for communicating with clients?

    - by Nick Retallack
    You're working freelance with several small remote clients and you want to have a meeting via webcam. What do you use? Please consider price, video quality, and minimum hassle for the clients. I'd prefer my clients don't have to pay anything or install anything for it to work. I'm already serving VNC in a Java applet, so something like that would be nice. Skype is awesome, and oovoo looks great, but I'd like to have more than one client on the line at once without them having to pay a subscription too. Something like Ustream.com or Justin.tv would be nice, but it would be better if all parties could talk. Related Questions: Can someone suggest free video conferencing tools

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  • iPhone SDK:How do you play video inside a view? Rather than fullscreen.

    - by Jessica
    Hi, I am trying to play video inside a UIView, so my first step was to add a class for that view and start playing a movie in it using this code: - (IBAction)movie:(id)sender{ NSBundle *bundle = [NSBundle mainBundle]; NSString *moviePath = [bundle pathForResource:@"Movie" ofType:@"m4v"]; NSURL *movieURL = [[NSURL fileURLWithPath:moviePath] retain]; MPMoviePlayerController *theMovie = [[MPMoviePlayerController alloc] initWithContentURL:movieURL]; theMovie.scalingMode = MPMovieScalingModeAspectFill; [theMovie play]; } But this just crashes the app when using this method inside it's own class, but is fine elsewhere. Does anyone know how to play video inside a view? and avoid it being full screen?

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  • How to display jQuery Dialog on top of YouTube Video/SlideShare PPT?

    - by Gopinath
    We use jQuery modal dialog box to get confirmation from users before they delete an item. The modal dialog works fine as long as there are no YouTube videos on the screen. If there is a YouTube video the dialog box is displayed beneath the video. I tried changing the z-index of dialog to 3999, but no use. (I don't know much about CSS) $('#dialog').dialog({ autoOpen: false, modal: true, width: 300, zindex:3999, buttons: { 'Ok': performDelete_dialog, 'Cancel': function(){$(this).dialog('close');} } }); Can some one suggestme what should we do to place jquery dialog box on top of YouTube videos?

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  • Can I embed video on external sites while still using tokens to protect the content?

    - by JKS
    On our own website, it's easy to protect against direct links to our video content by grabbing a token through AJAX and verifying the token through PHP before the file download is started. However I'm also researching how I could provide an embed feature, like YouTube or vimeo etc., without compromising this security feature. The problem is that the embed code I want to provide should look something like <object>...<embed>...</embed></object> -- but I don't know how to grab and append the token to the filename. I mean, I guess I could attach a script that did some gnarly JNOP business, but that's too dirty. I'm using JW Player for the actual video container. Huge thanks to anyone who can help...

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  • how can i convert a video into image files using ffmpeg in c#?

    - by moon
    string inputpath = strFileNamePath; string outputpath = "C:\\Image\\"; //for (int iIndex = 0; iIndex < 1000; iIndex++) //{ //string fileargs = "-i" + " " + inputpath + " -ab 56 -ar 44100 -b 200 -r 15 -s 320x240 -f flv " + outputpath + "SRT.flv"; string fileargs = "-i" + " " + inputpath + " " + outputpath + "image.jpg"; System.Diagnostics.Process p = new System.Diagnostics.Process(); p.StartInfo.FileName = "C:\\Documents and Settings\\Badr\\My Documents\\Visual Studio 2008\\Projects\\Video2image2video.\\ffmpeg\\ffmpeg.exe"; p.StartInfo.Arguments = fileargs; p.StartInfo.UseShellExecute = false; p.StartInfo.CreateNoWindow = true; p.StartInfo.RedirectStandardOutput = true; p.Start(); i have this code this creates only 1 image of video i apply a loop but i repeatedly generates the initial image how can i get images of all the video thanx in advance

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  • How can I suspend \ resume the video caputre operation in v4l2 ?

    - by Ita
    Hi, I use the v4l2 api for video capture and image applying image processing algo' on each frame. I wish to be able to suspend the video capture. I see that there are 2 options for ioctling (new verb, its gonna catch) the stream. VIDIOC_STREAMON, VIDIOC_STREAMOFF will start and stop the stream. Is there a way to suspend \ resume it? Is this even necessary, or can I just use the start and stop controls with no extra processing time spent on creating the stream all over again ? Thank you for your time, Itamar

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  • Best way to Store Passwords, User information/Profile data and Photo/Video albums for a social websi

    - by Nick
    Need some help figuring out how to best Store Passwords, User information/Profile data and Photo/Video albums for a social website? For photos/videos the actual photo/video + even encrypting the URL with the IDs to the photo/videos so other users cannot figure it out. Creating a site like myspace and designing retirement documents but i am unsure how to specify the security requirements for the database. Two things: 1) Protect from outside users 2) Protect all these from employees being able to access this info For #2, the additional question is: If we encrypt the user info and password so even the system admins cannot get in, how can we retrieve the user data tomorrow if someone flags the user's account as spam and admin needs to check it out or if law enforcement wants info on a user? Thanks.

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  • Does HTML5 only replace the video aspects of Flash/Silverlight?

    - by John
    I see a lot of talk how HTML5 video tag will kill Flash. But while video is the most widely used part of Flash/SL, it's only a small part of their technical abilities. For instance you can write a game using full 3D graphics and socket connections in Flex, and serious business applications, etc. Is the thinking that Javascript will kill those parts of Flash/Flex/SL? Because while that seems feasible now for even quite rich web-apps, what about any kind of high-performance app like real-time graphics?

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  • Making a video with opencv and ffmpeg. How to find the right color format?

    - by luc
    I have a webcam video recorder program built with python, opencv and ffmpeg It works ok except that the color of the video is more blue than the reality. The problem seems to come from color format of images. It seems that OpenCv is giving BGR images and ffmpeg+libx264 is expecting YUV420p. I've read that YUV420p correspond to YCbCr. opencv has no conversion from BGR to YCbCr. It only has a conversion to YCrCb. I have made some searchs and tried different alternatives to try converting opencv image to something that could be ok for ffmpeg+libx264. None is working. At this point, I am a bit lost and I would appreciate any pointer that could help me to fix this color issue.

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