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Articles indexed in October 2013

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• 13.04 Logitech bluetooth speaker adapter pairing but no mixer output

  - by user1455622

  I had to change [General] Enable = Socket in /etc/bluetooth/audio.conf to get it to pair. But now that they are I don't get an output in pavucontrol. D: [pulseaudio] bluetooth-util.c: Registering /MediaEndpoint/HFPAG on adapter /org/bluez/3855/hci0. D: [pulseaudio] bluetooth-util.c: Registering /MediaEndpoint/HFPHS on adapter /org/bluez/3855/hci0. D: [pulseaudio] bluetooth-util.c: Registering /MediaEndpoint/A2DPSource on adapter /org/bluez/3855/hci0. D: [pulseaudio] bluetooth-util.c: Registering /MediaEndpoint/A2DPSink on adapter /org/bluez/3855/hci0. E: [pulseaudio] bluetooth-util.c: org.bluez.Media.RegisterEndpoint() failed: org.bluez.Error.AlreadyExists: Already Exists E: [pulseaudio] bluetooth-util.c: org.bluez.Media.RegisterEndpoint() failed: org.bluez.Error.AlreadyExists: Already Exists E: [pulseaudio] bluetooth-util.c: org.bluez.Media.RegisterEndpoint() failed: org.bluez.Error.AlreadyExists: Already Exists E: [pulseaudio] bluetooth-util.c: org.bluez.Media.RegisterEndpoint() failed: org.bluez.Error.AlreadyExists: Already Exists D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'disconnected' D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'disconnected' D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'disconnected' D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'disconnected' D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'connected' D: [pulseaudio] bluetooth-util.c: dbus: property 'State' changed to value 'connected' D: [pulseaudio] bluetooth-util.c: Unknown Bluetooth minor device class 0 D: [pulseaudio] module-card-restore.c: Not restoring profile for card bluez_card.C8_84_47_15_B7_34, because already set. I: [pulseaudio] module-card-restore.c: Restoring port latency offsets for card bluez_card.C8_84_47_15_B7_34. I: [pulseaudio] card.c: Created 2 "bluez_card.C8_84_47_15_B7_34" W: [pulseaudio] module-bluetooth-device.c: Profile has no transport D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event. I: [pulseaudio] card.c: Changed profile of card 2 "bluez_card.C8_84_47_15_B7_34" to off I: [pulseaudio] module.c: Loaded "module-bluetooth-device" (index: #22; argument: "address=C8:84:47:15:B7:34 profile=a2dp"). I: [alsa-source] alsa-source.c: Scheduling delay of 10,06ms, you might want to investigate this to improve latency... I: [alsa-source] ratelimit.c: 5 events suppressed I: [alsa-source] alsa-source.c: Overrun! I: [alsa-source] alsa-source.c: Increasing minimal latency to 2,00 ms D: [alsa-source] alsa-source.c: latency set to 20,00ms D: [alsa-source] alsa-source.c: hwbuf_unused=62008 D: [alsa-source] alsa-source.c: setting avail_min=442 What can I do to get it working? Regards,

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• Remove/add indicator icons

  - by user209835

  I'm trying out Ubuntu 13.10. I would like to remove some of the default indicator icons in the upper right corner. Is there an easy way to do it? And then I would like to add some other icons (guake, pidgin, shutter, dropbox, kupfer etc.). I have already got the dropbox icon but it's in grey. I would like the default blue icon with the green marker. But if I change theme in ubuntu-tweak or gnome-tweak then the nice shutdown-icon disappears. In linux mint this just works :-).

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• How can I repair a ttf-umefont installation

  - by Julio C Morales

  I have Ubuntu 13.04 and I started to upgrade to 13.10. Upgrading started well, files were sucessfully downloaded but a crash message appeared: <type ´exceptions.SystemError´> (E: The package ttf-umefont needs to be reinstalled, but I can´t find an archive for it) I looked for some info in fórums then I tried to update by terminal and with apt-get -f update. nothing changed; then, I triued to delete the ttf-umefont file, and nothing changed. Now, I can´t update anything because this error message. Could anyone help me?

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• How to change file managers "files" icon to nice "nautilus shell" icon in Ubuntu 12.04?

  - by Ivan Ivanov

  I've attached Nautilus to Unity launcher in Ubuntu 12.04. In Ubuntu 12.04 the default "Files" icon for Nautilus file manager is not as pretty as a "Nautilus Shell" icon. But when I search in Dash for Nautilus it gives "Files" link to Nautilus, which has grey and quite plain file-cabinet icon. How do I change this grey file cabinet icon to the Nautilus' shell icon, which suits well to my icon theme?

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• Partitioning During Installation, Reinstalling Ubuntu, Backup donwloaded Repositories

  - by user209645

  I am new to Ubuntu and I have just finished installing 13.10 amd64 on my PC. This will replace my Windows 7 as my only OS. I just want to clarify some issues that've been bugging me. I tried reading posts with the same topics but I just can't wrap my head to it yet. I partitioned my 80GB drive into: /root: 30GB (sorry for the confusion, I actually meant /) /home: 40GB /var : 3GB swap : 4GB (2GB of mem) Please correct me if I'm wrong about these: All of the users' documents are saved in their respective folders in /home. But say I want to clean install (format) Ubuntu, I don't need to make backups of /home and /var as they are on separate partitions. But when re-installing, do I just choose /root and format and it will recognize all the partitions (not making another /home and /var inside /root)? Downloaded packages (from all the repositories) and all their dependencies are saved in /var. So after re-installing on the same PC (assuming I'm offline), it will just use the latest updates in /var if I choose to update? And if all the installed apps and their dependents are all in there, all I need to do is re-install them without encountering errors? I have also read that you can back them up using aptoncd and then adding the DVD to the sources. So if I download all the high ranking apps using Synaptic, could I then have an all-in-one DVD installer? 30GB for / is excessive because the bulk of files will either be in /home (personal, downloads, music, videos) or /var (updates, packages, installed apps)? Please excuse me for asking such a question but I really want to explore and learn more.

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• libc-bin errors when trying to install php

  - by jonney

  i am trying to update and install php into my ubuntu server 12.04 using the command below: apt-get upgrade php apt-get install php5-curl php5-gd php5-mysql php5-pgsql However i receive this error all the time: gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.2.0-34-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-3.2.0-34-generic.postinst line 1010. dpkg: error processing linux-image-3.2.0-34-generic (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of linux-image-server: linux-image-server depends on linux-image-3.2.0-33-generic; however: Package linux-image-3.2.0-33-generic is not configured yet. dpkg: error processing linux-image-server (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-server: linux-server depends on linux-image-server (= 3.2.0.33.36); however: Package linux-image-server is not configured yet. dpkg: error processing linux-server (--configure): dependency problems - leaving unconfigured Setting up libpq5 (9.1.10-0ubuntu12.04) ... No apport report written because the error message indicates it's a follow-up error from a previous failure. No apport report written because MaxReports has already been reached Setting up php5-curl (5.3.10-1ubuntu3.8) ... Setting up php5-pgsql (5.3.10-1ubuntu3.8) ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-32-generic gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.2.0-32-generic with 1. dpkg: error processing initramfs-tools (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports has already been reached Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: linux-image-3.2.0-33-generic linux-image-3.2.0-34-generic linux-image-server linux-server initramfs-tools E: Sub-process /usr/bin/dpkg returned an error code (1) Not sure whats wrong and why it cant process the linux-image files?

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• How do I fix DNS resolving which doesn't work after upgrading to Ubuntu 13.10 (Saucy)

  - by Witek

  After upgrade to 13.10 my DNS resolving fails. It seams the DNS servers which I get by DHCP (LAN) are not used. I could temporary solve the problem by adding nameserver 8.8.8.8 to /etc/resolv.conf. But then the intranet hosts still can not be resolved. When clicking on the Connection Information menu item on the network indicator, the Primary DNS and the Secondary DNS are set correctly. But my computer seams not to use them. So my questions: What should I put into resolv.conf, if anything? How to find out, which name servers my computer is querying? Where to look next, to find out, why name servers received by DHCP are not used?

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• Failed to load Cairo

  - by Ruben

  We're running a Ubuntu Server VM with OpenCPU (that's an API for R). Unfortunately we're unable to get the Cairo R package to play, the error message (from within R) is as follows: unable to load shared object '/usr/lib/R/library/grDevices/libs//cairo.so': /usr/local/lib/libgmodule-2.0.so.0: undefined symbol: g_rec_mutex_lock 2: In png() : failed to load cairo DLL We've tried purging and reinstalling cairo and libcairo and we both tried building the Cairo R package from source as well as using a precompiled version from Michael Rutter's ppas (all seems to work without errors). Unfortunately none of us are real Ubuntu natives and thus we probably did some pretty amateur debugging. Any push in the right direction would be very appreciated. For example, we couldn't figure out how to reinstall whatever libgmodule refers to.

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• How do I run Cisco Packet Tracer 6.0.1?

  - by user186296

  I have a problem running Packet tracer 6.0.1 on Ubuntu 13.04. I have a downloaded file from Cisco Netspace - this file had not extension. I added the extension tar.gz to this file and I could unpack it to a location with other folders and files, there was a file install too. This was a .bin file and I used sudo chmod +x on this file and I used ./filename and installation has been launched I had to accept licence and so on. After successfully installation I tried to launch Packet Tracer and nothing happened. Please help me, how can I correctly install and run Packet Tracer. Note that I'm new in using Linux.

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• Connecting a Samsung Galaxy S3 in Ubuntu 13.04

  - by Squishy

  In 13.04, whenever I connect an Android device, one of three things happens: 1 . It mounts successfully (maybe once out of 3 attempts) 2 . It fails to mount with the following error message: Oops! Something went wrong. Unhandled error message: Unable to open MTP device 3 . This one occasionally happens: Unhandled error message: No such interface `org.gtk.vfs.Mount' on object at path /org/gtk/vfs/mount/1 Regardless of activity (even when successfully mounted) it will continuously spam the following error message: Unable to mount SAMSUNG_Android Unable to open MTP Device '[usb:003,00x]' where x seems to be an arbitrary number below 10 and continues counting up with each new error message until the device is unplugged. I've also just noticed that even if it mounts successfully, it unmounts after about 30 seconds and starts spamming the error message above. The Android device is unlocked, always on and fully charged. ADB seems to function normally. Any suggestions? Further info: this happens on both a stock Samsung S3 and an Xperia Arc S running a custom AOSP based ROM. I've also tried the steps outlined in this Stack Overflow answer, but the problem persists. UPDATE: After doing a dist-upgrade (May 8th 2013), the Xperia Arc S on AOSP ROM now mounts and behaves normally. The S3, however, still behaves as described above. UPDATE: After careful observation, ABD does not, in fact, behave normally. If the error message above appears while sending an app to the device, the attempt is aborted with an error message saying that the device is unavailable.

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• Scale / Spread shows windows from all workspaces in 12.10

  - by dusktreader

  I used Ubuntu Tweak to set up the lower left corner of my screen to activate scale/spread/show_windows/whatever_it's_called. When I upgraded to 12.10, it now shows all open windows from all work-spaces. It used to show only windows from the current workspace. However, when I use super-W to do the same thing, it only shows windows from the current workspace. What is going on here? This feature is one of the main reasons that I use Unity (along with Dash and HUD), and without it working properly my productivity is hurt a lot. Does anyone have a direction that I could look in to fix this?

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• login to account reverts to login screen, guest login ok

  - by Emil Hansen

  When I get to the login screen, I put my password, and I only get a black screen for 2 seconds, then we're back at the login screen. When I log in to the guest account everything works perfectly. What I've tried; I deleted .Xauthority as per instructions from elsewhere. No luck I removed 2 lines I put in .profile. No change Installed Gnome, but Unity, Unity 2D, various vers of gnome, same thing. according to other q/a's, this could be caused by lack of disk space. I have 80 gigs free, so I would assume it's not that if I Ctrl+Alt+F2 at login, I can login in to my account in the "terminal" with no problem. I would really appreciate any help to restore my account, and thank you very much beforehand

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• How to set up a SPF record?

  - by MeltingDog

  The clients on my VPS are all getting spammed. The spam seemingly comes from their own email addresses - it is clear that somehow something got into my VPS and was able to capture all the email addresses that existed and is now using them to send spam. I was advised to set up a SPF record, but I am unsure what this is or how to go about it. After reading, I have figured out how to create one in CPanel, but I cannot find what to do with it now. Do I copy it into somewhere in my DNS records in Zone Management? Can anyone point me in the right direction?

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• How to create a script for moving a 3rd person controller in an iOS device by using Javascript in Unity3D?

  - by user36563

  I've a code but I'm not sure about the steps, so what I should do after the script? pragma strict public var horizontalSpeed : float = 1.0; public var verticalSpeed : float = 1.0; private var h : float = 0.0; private var v : float = 0.0; private var lastPos : Vector3 = Vector3.zero; function Update() { if UNITY_EDITOR if ( Input.GetMouseButtonDown(0) ) { lastPos = Input.mousePosition; } else if ( Input.GetMouseButton(0) ) { var delta = Input.mousePosition - lastPos; h = horizontalSpeed * delta.x ; transform.Rotate( 0, -h, 0, Space.World ); v = verticalSpeed * delta.y ; transform.position += transform.forward * v * Time.deltaTime; lastPos = Input.mousePosition; } else if (Input.touchCount == 1) { var touch : Touch = Input.GetTouch(0); if (touch.phase == TouchPhase.Moved) { h = horizontalSpeed * touch.deltaPosition.x ; transform.Rotate( 0, -h, 0, Space.World ); v = verticalSpeed * touch.deltaPosition.y ; transform.position += transform.forward * v * Time.deltaTime; } } endif }

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• RGB values from image into a one dimension array in c#

  - by velocityxyz

  I was wondering if there is a was a way to read rgb values from an image into a one dimensional array in C#. If it doesnt make sense, in java I would do something like this. int[] pixels; BufferedImage image = getClass().getResourceAsStream("asdfghjkl.png"); int w = image.getWidth(); int h = image.getHeight(); pixels = new int[w * h]; image.getRGB(0, 0, w, h, pixels, 0, w) ; So any help would be great, or if you can point me in the right direction, that'd be great

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• How AlphaBlend Blendstate works in XNA 4 when accumulighting light into a RenderTarget?

  - by cubrman

  I am using a Deferred Rendering engine from Catalin Zima's tutorial: His lighting shader returns the color of the light in the rgb channels and the specular component in the alpha channel. Here is how light gets accumulated: Game.GraphicsDevice.SetRenderTarget(LightRT); Game.GraphicsDevice.Clear(Color.Transparent); Game.GraphicsDevice.BlendState = BlendState.AlphaBlend; // Continuously draw 3d spheres with lighting pixel shader. ... Game.GraphicsDevice.BlendState = BlendState.Opaque; MSDN states that AlphaBlend field of the BlendState class uses the next formula for alphablending: (source × Blend.SourceAlpha) + (destination × Blend.InvSourceAlpha), where "source" is the color of the pixel returned by the shader and "destination" is the color of the pixel in the rendertarget. My question is why do my colors are accumulated correctly in the Light rendertarget even when the new pixels' alphas equal zero? As a quick sanity check I ran the following code in the light's pixel shader: float specularLight = 0; float4 light4 = attenuation * lightIntensity * float4(diffuseLight.rgb,specularLight); if (light4.a == 0) light4 = 0; return light4; This prevents lighting from getting accumulated and, subsequently, drawn on the screen. But when I do the following: float specularLight = 0; float4 light4 = attenuation * lightIntensity * float4(diffuseLight.rgb,specularLight); return light4; The light is accumulated and drawn exactly where it needs to be. What am I missing? According to the formula above: (source x 0) + (destination x 1) should equal destination, so the "LightRT" rendertarget must not change when I draw light spheres into it! It feels like the GPU is using the Additive blend instead: (source × Blend.One) + (destination × Blend.One)

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• ScreenManagement better practices ?! Textbox not focusing

  - by xykudyax

  I saw a question here using DataTemplates with WPF for ScreenManagement, I was curious and I gave it a try I think the ideia is amazing and very clean. Though I'm new to WPF and I read a lot of times that almost everything should be made in XAML and very little should be "coded behind". My questions resolves about using the datatemplate ideia, WHERE should the code that calls the transitions be? where should I define which commands are avaiable in which screens. For example: [ScreenA] Commands: Pressing B - Goes to state B Pressing ESC - Exits [ScreenB] Commands: Pressing A - Goes to state A Pressing SPACE - Exits where do I define the keyEventHandlers? and where do I call the next screen? I'm doing this as an hobby for learning and "if you are learning, better learn it right" :) Thank you for your time. Yes the Q/A I was talking is: What's a good way to handle game screen management in WPF? What I've done so far was to create a Screen class (derived from UserControl) and create some virtual methods: - one for Initializing stuff (like focus a given component by default) - another for inputHandling I handle it by using a switch case and by listening to the PreviewKeyDown event from the parent container (MainWindow) Im not able to do it another way! Help?!. - and a finally one that removes the keyEvent method (when the screen is terminated) Parent.PreviewKeyDown -= OnKeyDown; am I doing okay? I face a problem. When I add a new screen (userControl) containing a TextBox I'm not able to give it autofocus :/ The Caret is there but is not blinking and I have to hit "TAB" before being able to input anything at all :/

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• Count the number of rows of a CSV file, with d3.js

  - by user2934073

  Suppose I have this CSV file Day,What 2013-10-27,Apple 2013-10-27,Cake 2013-10-27,Apple 2013-10-28,Apple 2013-10-28,Apple 2013-10-28,Blueberry 2013-10-28,Orange I would like to drawn with D3.js a time-series graph. All I need to do is to display the sum of the number of rows for each day. As an example, the 27 of November should have 3 as value, the 28th should have 4. Is there a way I can archive it? I've been trying to create a new dataset out of the CSV one with no positive results. var dataset; d3.csv("data.csv", function(d) { return { Day: new Date(d.Day), What: d.What }; }, function(error, rows) { dataset = rows; // I SUPPOSE THE FUNCTION THAT GENERATE THE NEW DATASET SHOULD GO THERE });

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• calculate next line numbers

  - by osomanden

  Weird question I guess.. But I am not very math wiz - soo here goes.. I am trying to create a patterne (or variable patterns based on selection) based on x and y numbers (2 rows and 4 columns) and the direction of the counting of x numbers like: 1-2-3-4 5-6-7-8 That one is easy, when number of x-columns is reached, next line and continue x count. But with eg. this one (still 2 rows and 4 columns): 1-2-3-4 8-7-6-5 upsie.. what if it is eg. 3++ rows and still 4 columns? 1-2-3-4 8-7-6-5 9-10-11-12 what would be the formula for this - or other possible variations (teaser for variations): 9-10-11-12 8-7-6-5 1-2-3-4 or reversed

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• Alloy MVC Framework Titanium Network (Model)

  - by flyingDuck

  I'm trying to authenticate using the Model in Alloy. I have been trying to figure this problem out since yesterday. If anybody could help me, I'd really appreciate it. So, I have a view login.xml, then a controller login.js. The login.js contains the following function: var user = Alloy.Models.user; //my user.js model function login(e) { if($.username.value !== '' && $.password.value !== ''){ if(user.login($.username.value, $.password.value)){ Alloy.createController('home').getView().open(); $.login.close(); } }else{ alert('Username and/or Password required!'); } } Then in my user.js model, it's like this: extendModel : function(Model) { _.extend(Model.prototype, { login: function(username, password) { var first_name, last_name, email; var _this = this; var url = 'http://myurl.com/test.php'; var auth = Ti.Network.createHTTPClient({ onerror: function(e){ alert(e.error); }, onload: function(){ var json = this.responseText; var response = JSON.parse(json); if(response.logged == true){ first_name = response.f_name; last_name = response.l_name; email = response.email; _this.set({ loggedIn: 1, username: email, realname: first_name + ' ' + last_name, email: email, }); _this.save(); }else{ alert(response.message); } }, }); auth.open('POST', url); var params = { usernames: username, passwords: password, }; auth.send(params); alert(_this.get('email')); //alert email }, }); When I click on login in login.xml it calls the function login in index.js. So, now my problem is that, when I click the button for the first time, I get an empty alert from alert(_this.get('email')), but then when I click the button the second time, everything works fine, it alerts the email. I have no idea what's going on. Thank you for the help.

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• Adding active class in menu only works on first page

  - by rileychuggins

  I have nav links that become active once they come into the window. I need to implement this on three separate pages on my website but the following scripts only work for the first page. var services_refresh = function () { // do stuff console.log('Stopped Scrolling'); if($('#ct_scans.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ct_scans"]').addClass('active'); } else if($('#xray.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#xray"]').addClass('active'); } else if($('#fluoroscopy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#fluoroscopy"]').addClass('active'); } else if($('#mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mri"]').addClass('active'); } else if($('#neuroimaging.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#neuroimaging"]').addClass('active'); } else if($('#nuclear_medicine.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#nuclear_medicine"]').addClass('active'); } else if($('#ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ultrasound"]').addClass('active'); } else if($('#mammography.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mammography"]').addClass('active'); } else if($('#breast_ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_ultrasound"]').addClass('active'); } else if($('#breast_biopsy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_biopsy"]').addClass('active'); } else if($('#breast_mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_mri"]').addClass('active'); } else if($('#osteoporosis.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#osteoporosis"]').addClass('active'); } }; Here is my HTML for the first page that works: <ul id="our_services_sub_sections" class="diagnostic_images"> <li><a class="scroll active" href="#ct_scans">CT Scans</a></li> <li><a class="scroll" href="#xray">X-Ray</a></li> <li><a class="scroll" href="#fluoroscopy">Fluoroscopy</a></li> <li><a class="scroll" href="#mri">MRI</a></li> <li><a class="scroll" href="#neuroimaging">Neuroimaging</a></li> <li><a class="scroll" href="#nuclear_medicine">Nuclear Medicine</a></li> <li><a class="scroll" href="#ultrasound">Ultrasound</a></li> </ul> Here is my HTML for the second page which does not work: <ul id="our_services_sub_sections" class="womens_imaging"> <li><a class="scroll active" href="#mammography">Mammography</a></li> <li><a class="scroll" href="#breast_ultrasound">Breast Ultrasound</a></li> <li><a class="scroll" href="#breast_biopsy">Breast Biopsy</a></li> <li><a class="scroll" href="#breast_mri">Breast MRI</a></li> <li><a class="scroll osteo" href="#osteoporosis">Osteoporosis<br />Evaluation (DEXA)</a></li> </ul> Why is this not working?

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• how to create following Java applicatin? [on hold]

  - by Tushar Bichwe

  Write a JAVA program which performs the following listed operations: A. Create a package named MyEmpPackage which consists of following classes A class named Employee which stores information like the Emp number, first name, middle name, last name, address, designation and salary. The class should also contain appropriate get and set methods. 05 A class named AddEmployeeFrame which displays a frame consisting of appropriate controls to enter the details of a Employee and store these details in the Employee class object. The frame should also have three buttons with the caption as “Add Record” and “Delete Record” and “Exit”. 10 A class named MyCustomListener which should work as a user – defined event listener to handle required events as mentioned in following points. 05 B When the “Add Record” button is clicked, the dialog box should be appeared with asking the user “Do you really want to add record in the file”. If the user selects Yes than the record should be saved in the file. 10 When the “Exit” button is clicked, the frame should be closed. 10 [Note: Use the MyCustomListener class only to handle the appropriate events] C The “Delete Record” button should open a new frame which should take input of delete criteria using a radio button. The radio button should provide facility to delete on basis of first name, middle name or last name. 10 The new frame should also have a text box to input the delete criteria value. 10 The record should be deleted from the file and a message dialog should appear with the message that “Record is successfully Deleted”. 10 [Note: Use the MyCustomListener class only to handle the appropriate events] D Provide proper error messages and perform appropriate exceptions where ever required in all the classes 10

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• Creating spotlight in OpenGL scene

  - by Victor Oliveira

  Im studying OpenGL and trying to create a spot light at my application. The code that Im using for my #vertex-shader is below: #:vertex-shader #{ #version 150 core in vec3 in_pos; in vec2 in_tc; out vec2 tc; glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 20.0f); GLfloat spot_direction[] = { -1.0, -1.0, 0.0 }; glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, spot_direction); glEnable(GL_LIGHT0); void main() { vec4 pos= vec4(vec3(1.0)*in_pos - vec3(1.0), 1.0); pos.z=0.0; gl_Position = pos; tc = in_tc; } } The thing is, everytime Im trying to run the code an Error that says: Type: other, Source: api, ID: 131169, Severity: low Message: Framebuffer detailed info: The driver allocated storage for renderbuffer 1. len = 157, written = 0 failed to compile vertex shader of deferred: directional info log for shader deferred: directional vertex info log for shader deferred: directional: ERROR: Unbound variable: when Specifications: Renderer: GeForce GTX 580/PCIe/SSE2 Version: 3.3.0 NVIDIA 319.17 GLSL: 3.30 NVIDIA via Cg compiler Status: Using GLEW 1.9.0 1024 x 768 OS: Linux debian I guess to create this spotlight is pretty much simple, but since Im really new to OpenGL I dont have a clue how to do it until now, even reading sources like: http://www.glprogramming.com/red/chapter05.html#name3 Read also in some place that light spots can get really hard to understand, but I cant avoid this step right now since Im following my lecture schedule. Could anybody help me?

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• Java MapReduce read data

  - by Tatiana

  Hi I am having following map-reduce code by which I am trying to read records from my database. There's code: import java.io.*; import java.util.ArrayList; import java.util.List; import org.apache.hadoop.fs.*; import org.apache.hadoop.io.*; import org.apache.hadoop.mapred.*; import org.apache.hadoop.mapred.lib.db.DBConfiguration; import org.apache.hadoop.mapred.lib.db.DBInputFormat; import org.apache.hadoop.mapred.lib.db.DBWritable; import org.apache.hadoop.util.*; import org.apache.hadoop.conf.*; public class Connection extends Configured implements Tool { public int run(String[] args) throws IOException { JobConf conf = new JobConf(getConf(), Connection.class); conf.setInputFormat(DBInputFormat.class); DBConfiguration.configureDB(conf, "com.sun.java.util.jar.pack.Driver", "jdbc:postgresql://localhost:5432/polyclinic", "postgres", "12345"); String[] fields = { "name" }; DBInputFormat.setInput(conf, MyRecord.class, "doctors", null, null, fields); conf.setMapOutputKeyClass(LongWritable.class); conf.setMapOutputValueClass(MyRecord.class); conf.setOutputKeyClass(LongWritable.class); conf.setOutputValueClass(TextOutputFormat.class); TextOutputFormat.setOutputPath(conf, new Path(args[0])); JobClient.runJob(conf); return 0; } public static void main(String[] args) throws Exception { int exitCode = ToolRunner.run(new Connection(), args); System.exit(exitCode); } } Class Mapper: import java.io.IOException; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapred.MapReduceBase; import org.apache.hadoop.mapred.Mapper; import org.apache.hadoop.mapred.OutputCollector; import org.apache.hadoop.mapred.Reporter; public class MyMapper extends MapReduceBase implements Mapper<LongWritable, MyRecord, Text, IntWritable> { public void map(LongWritable key, MyRecord val, OutputCollector<Text, IntWritable> output, Reporter reporter) throws IOException { output.collect(new Text(val.name), new IntWritable(1)); } } Class Record: import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import org.apache.hadoop.io.Text; import org.apache.hadoop.io.Writable; import org.apache.hadoop.mapred.lib.db.DBWritable; class MyRecord implements Writable, DBWritable { String name; public void readFields(DataInput in) throws IOException { this.name = Text.readString(in); } public void readFields(ResultSet resultSet) throws SQLException { this.name = resultSet.getString(1); } public void write(DataOutput out) throws IOException { } public void write(PreparedStatement stmt) throws SQLException { } } After this I got error: WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String). Can you give me any suggestion how to solve this problem?

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• Sqlite3 prompting `...>` instead of `sqlite>`

  - by Imray

  I'm following a beginners tutorial to sqlite3. The first step is creating a new database. So I enter a name (movies.db). I'm expecting to get another sqlite> prompt on the next line, and continue with the tutorial, but instead I get a lame ...> after which I can type any gibbersish I want. Clearly, this is not good. What my command prompt looks like: SQLite version 3.8.1 2013-10-17 12:57:35 Enter ".help" for instructions Enter SQL statements terminated with a ";" sqlite> $ sqlite3 movies.db ...> gibberish ...> dsds ...> sdada ...> gfgys ...> a ...> Aaaaarrrgh! ...> How do I get sqlite3 to work normally for me? Pardon my newbie-ness. I hope I've phrased this question in a way that might help other newbs too.

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