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• Jack Audio ubuntu 12.10

  - by Shaneo1

  I used to have Jack Server working with 10.10, 11.04, 11.10 but not 12.04 and now 12.10. I have installed jackd jackd2 qjackctl surfed many forums and even given advice of how to get jack working, but now I am stuck. Tue Nov 27 22:30:46 2012: Saving settings to "/home/shane/.config/jack/conf.xml" ... 22:31:19.960 D-BUS: JACK server could not be started. Sorry Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Tue Nov 27 22:31:19 2012: Starting jack server... Tue Nov 27 22:31:19 2012: JACK server starting in realtime mode with priority 10 Tue Nov 27 22:31:19 2012: [1m[31mERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0[0m Tue Nov 27 22:31:19 2012: [1m[31mERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0[0m Tue Nov 27 22:31:19 2012: [1m[31mERROR: Audio device hw:0,0 cannot be acquired...[0m Tue Nov 27 22:31:19 2012: [1m[31mERROR: Cannot initialize driver[0m Tue Nov 27 22:31:19 2012: [1m[31mERROR: JackServer::Open failed with -1[0m Tue Nov 27 22:31:19 2012: [1m[31mERROR: Failed to open server[0m Tue Nov 27 22:31:21 2012: Saving settings to "/home/shane/.config/jack/conf.xml" ... 22:31:22.047 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Can anyone assist?

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• Ardour wont start Jack problem

  - by Drew S

  I downloaded Ardour yesterday, it worked, edited an audio file done. Come back today it wont start I get this: Ardour could not start JACK There are several possible reasons: 1) You requested audio parameters that are not supported.. 2) JACK is running as another user. Please consider the possibilities, and perhaps try different parameters. So I try and look at qjackctl to see what happening there. When I try to start JACK I get D-BUS: JACK server could not be started. then Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. and this is the message box in JACK. 15:22:12.927 Patchbay deactivated. 15:22:12.927 Statistics reset. 15:22:12.944 ALSA connection change. 15:22:12.951 D-BUS: Service is available (org.jackaudio.service aka jackdbus). Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started 15:22:12.959 ALSA connection graph change. 15:22:45.850 ALSA connection graph change. 15:22:46.021 ALSA connection change. 15:22:56.492 ALSA connection graph change. 15:22:56.624 ALSA connection change. 15:23:42.340 D-BUS: JACK server could not be started. Sorry Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Wed Oct 23 15:23:42 2013: Starting jack server... Wed Oct 23 15:23:42 2013: JACK server starting in realtime mode with priority 10 Wed Oct 23 15:23:42 2013: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory) Wed Oct 23 15:23:42 2013: Acquired audio card Audio0 Wed Oct 23 15:23:42 2013: creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit Wed Oct 23 15:23:42 2013: ERROR: ATTENTION: The playback device "hw:0" is already in use. The following applications are using your soundcard(s) so you should check them and stop them as necessary before trying to start JACK again: pulseaudio (process ID 2553) Wed Oct 23 15:23:42 2013: ERROR: Cannot initialize driver Wed Oct 23 15:23:42 2013: ERROR: JackServer::Open failed with -1 Wed Oct 23 15:23:42 2013: ERROR: Failed to open server Wed Oct 23 15:23:43 2013: Saving settings to "/home/drew/.config/jack/conf.xml" ... 15:26:41.669 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started 15:26:49.006 D-BUS: JACK server could not be started. Sorry Wed Oct 23 15:26:48 2013: Starting jack server... Wed Oct 23 15:26:48 2013: JACK server starting in non-realtime mode Wed Oct 23 15:26:48 2013: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory) Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Wed Oct 23 15:26:48 2013: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:26:48 2013: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:26:48 2013: ERROR: Audio device hw:0 cannot be acquired... Wed Oct 23 15:26:48 2013: ERROR: Cannot initialize driver Wed Oct 23 15:26:48 2013: ERROR: JackServer::Open failed with -1 Wed Oct 23 15:26:48 2013: ERROR: Failed to open server Wed Oct 23 15:26:50 2013: Saving settings to "/home/drew/.config/jack/conf.xml" ... 15:26:52.441 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started 15:26:55.997 D-BUS: JACK server could not be started. Sorry Wed Oct 23 15:26:55 2013: Starting jack server... Wed Oct 23 15:26:55 2013: JACK server starting in non-realtime mode Wed Oct 23 15:26:55 2013: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory) Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Wed Oct 23 15:26:55 2013: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:26:55 2013: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:26:55 2013: ERROR: Audio device hw:0 cannot be acquired... Wed Oct 23 15:26:55 2013: ERROR: Cannot initialize driver Wed Oct 23 15:26:55 2013: ERROR: JackServer::Open failed with -1 Wed Oct 23 15:26:55 2013: ERROR: Failed to open server Wed Oct 23 15:26:57 2013: Saving settings to "/home/drew/.config/jack/conf.xml" ... 15:26:59.054 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started 15:29:24.624 ALSA connection graph change. 15:29:24.641 ALSA connection change. 15:33:11.760 D-BUS: JACK server could not be started. Sorry Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started Wed Oct 23 15:33:11 2013: Starting jack server... Wed Oct 23 15:33:11 2013: JACK server starting in non-realtime mode Wed Oct 23 15:33:11 2013: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory) Wed Oct 23 15:33:11 2013: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:33:11 2013: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Wed Oct 23 15:33:11 2013: ERROR: Audio device hw:0 cannot be acquired... Wed Oct 23 15:33:11 2013: ERROR: Cannot initialize driver Wed Oct 23 15:33:11 2013: ERROR: JackServer::Open failed with -1 Wed Oct 23 15:33:11 2013: ERROR: Failed to open server Wed Oct 23 15:33:12 2013: Saving settings to "/home/drew/.config/jack/conf.xml" ... 15:34:09.439 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started

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• Renoise and dssi and jack

  - by Bojan

  This may be a little complicated, but, is jack a necessity? I mean, i use renoise, and, since i dont have the need for low latencies, do i really need to use it? My basic setup ( or workflow ) is that i use csound to render stuff to wav, then import it as a sample in renoise. That goes with field recordings, my own samples, etc. So, i dont need ultra low latencies, and i dont need to patch "cords", but i want to use dssi plugins, and dssi-vst. What would be something of a minimum requirements of apps that should work. Can renoise load dssi-vst plugins by itself or do i need to use jack to patch thru or something third, i tried to read lot of articles but i got lost in the different setups...

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• SQLbits London 2012 - Demos

  - by Adam Machanic

  Thanks to everyone who attended my sessions last Friday and Saturday at SQLbits! It was great to meet many new people, not to mention spending some time exploring one of my favorite cities, London. Attached are the demos for each of the two talks I delivered: Query Tuning Mastery: The Art of and Science of Manhandling Parallelism As a database developer, your job boils down to one word: performance. And in today's multi-core-driven world, query performance is very much determined by how well you're...(read more)

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• What changed with timidity, alsa and jack in 11.10?

  - by Dave

  I (just) upgraded from 11.4 to 11.10 and noticed some differences in the behavior of timidity. I used to (11.4) exectute >timidity midifile.midi without running jackd, and thus using alsa (or pulseaudio?) to produce sound from midi files. Now having upgraded, this does not work -- currently this command just freezes if jack is not running. If jack is running, it does work but there is an initial audio glitch (noise burst at the start of playback, analogous to the sound of a plug being inserted) that I'd rather not have to deal with. All the indications that I have is that in 11.10 timidity will only work (albeit glitchy) with jack on, whereas in 11.4 it did not require this. Is there any way to restore timidity's non-jack operation in 11.10? Is there a way to get rid of the audio glitch in with jack operation? Overall, what underlying changes in these programs and the audio infrastructure are behind this?

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• Acer Laptop does not power up after repairing DC power jack

  - by Misbah Mashkoor

  I have an Acer travelmate laptop which (by mistake) I dropped on the floor with the power jack side down, with the charger connected and it broke the DC jack from the inside of the laptop. Then I unscrewed the laptop and soldered the DC jack back and then plugged it in and switched on the laptop without the batteries. It did switch on, that was before screwing everything back. Then after assembling the whole thing back it does not power up. So I disassembled it again and just took the part which contained the DC jack (My laptop is like in two parts one contains the power jack which then sits on some pins on the main PCB) to a technician and he said that if you had connected this to a motherboard then it would have burnt cause the soldering was not right. And then I checked with my laptop again by connecting everything the light (the charging light) comes on when I connect the power but it does not switch on. Right now nothing is connected to the laptop; no HD, CD ROM, RAM , Battery. Nothing! Even then it does not power up. Any suggestions?

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• Bluetooth to 3.5mm audio jack

  - by srand

  I want to connect my laptop's bluetooth to an audio jack. Of course there has to be some sort of receiver on the audio jack side. Are there any devices for this?

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• USB sound card with 6.3mm jack output

  - by Andrei Rinea

  I have a pair of Sennheiser 555 semi-professional headphones. These have a 6.3mm jack and a 3.5mm jack adapter. I wish I could buy an USB sound card for my laptop that would have a 6.3mm output not 3.5mm so I could skip this adapter and lose less quality. Any recommendations?

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• Quiet volume on headphone jack on ASUS Eee 1005HA

  - by Bo Schatzberg

  I have an ASUS Eee 1005HA running Windows 7 Starter. The volume output of the headphone jack is extremely low. Otherwise, the speakers work fine. I downloaded and installed the most recent audio drivers (V6.0.1.5948) from ASUS but that did not resolve the issue. Any ideas?

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• Help find correct alsa model for onboard sound (alc887?) that will work with jack and have correct mixer setup

  - by Jazz

  I have a Gigabyte GA-MA74GMT-S2 motherboard. I am using Jack for sound - connected to ALSA. I am running Ubuntu 12.04. aplay -l reports card 0: SB [HDA ATI SB], device 0: ALC887 Analog [ALC887 Analog] The problem is that the default setup, that alsa decides to use, causes stuttering and xruns no matter how generous I set the frames/period or periods/buffer etc. Also, Jack works fine if I plug in an external USB sound system and use that. My processor is an AMD phenom x4 945, and I have 8GB ram, and Video card is Geforce GTX550 Ti, all of which should be quite capable enough. I also tried Pulseaudio and that works fine, but I need to use Jack At first I thought it might be an interrupt conflict, but I have found that adding "options snd-hda-intel model=generic" to /etc/modprobe.d/alsa-base.conf causes it to play correctly, but the limited mixer setup lacks controls I need - so this setup isn't good enough. Still, it seems to prove it isn't a hardware conflict. I have tried many other models, such as 3stack, 6stack, auto and even basic, and they all suffer from the stuttering. I eventually found "options snd-hda-intel model=3stack-6ch-intel" works without stuttering, and mixer is much closer to what it needs to be. Can anyone help on how to get a correct and accurate model for ALSA to use? More info on the hardware that might help... *-multimedia description: Audio device product: SBx00 Azalia (Intel HDA) vendor: Hynix Semiconductor (Hyundai Electronics) physical id: 14.2 bus info: pci@0000:00:14.2 version: 00 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=snd_hda_intel latency=32 resources: irq:16 memory:fe024000-fe027fff

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• laptop headphone jack problems

  - by Xitcod13

  A while back my headphones mysteriously started making static noise and one of them stopped working completely. At first I thought it was headphones so I bought new ones. Alas that did not solve the problem. The problem must be inside my headphone jack. I did some research online and they suggested unplugging USB devices. Which has a strange effect of changing the static noises to high frequency Morse code noises (it's the aliens). I don't have this problem when i listen to music on speakers. The static is there on headphones whether there is music or not. I own a soldering iron for electronics and I am quite skilled at soldering. I would appreciate any help I can get. My laptop is the HDX 18. It has 2 headphone jacks that act exactly the same. Interesting thing i just noticed is that when i pull out my headphones almost all the way both of them start working but so do the speakers making the headphones kinda useless. Maybe there is a way to turn of the speakers as a temporary solution. I am using vista x64.

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• OS X Headphone jack issue [closed]

  - by Alex Coady

  Possible Duplicate: Optical Audio out stuck on on a MacBook When I plug my headphones into my iMac (27-inch, Mid 2011; OSX 10.8.1) and try to adjust the volume, the volume popup shows a greyed out speaker and there's a circle with a line through it signalling that it isn't working. I've tried the headphones with my iPhone, other iMacs etc and they're fine. This is incredibly frustrating. Other headphones don't generally work either. In Sound preferences the headphones are being listed as "Optical digital-out port" which is incorrect and would explain the problem, but doesn't help me fix it. Any ideas?

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• jackd fails to start

  - by wickedchicken

  I'm trying to have a setup where JACK interfaces directly to ALSA and pulseaudio communicates to JACK. This setup worked OK (I had to manually start things a few times) but as I understood the Ubuntu daemon setup and perfected things jackd stopped working completely. I'm running 10.10. If I run something through ALSA I get sound no problem. However, when I run jack with realtime: /usr/bin/jackd -v -R -ch -Z -t2000 -d alsa -P I get the following error: jackd watchdog: timeout - killing jackd Conversely, if I run without realtime: /usr/bin/jackd -v -r -ch -Z -t2000 -d alsa -P I get: ALSA: poll time out, polled for 32032138 usecs DRIVER NT: could not run driver cycle Jack was working just fine before I made these changes; while I don't have an exact copy of my original configuration I recall running the bare minimum of options worked fine. I've seen some articles saying the problem is with ALSA capture. In fact, I tried enabling capture in alsamixer once and everything worked! On reboot that success was not repeated and I haven't been able to get jack working since. That shouldn't matter because specifying -P should obviate any capture issues. Short summary: I can't get jackd to work under any circumstances (unless I specify -d dummy). Sound works with other programs with ALSA, but when I run JACK the daemon opens the card but times out and dies. JACK worked fine before but I can't figure out what changed (or where to even look). I should mention I am running with CPU speed throttling on, but I'm using HPET to mitigate this (and I've run jack with no issue before). Thanks!

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• BigQuery - UK dev community, JSON, nested/repeated, improved data loading - Live from London

  BigQuery - UK dev community, JSON, nested/repeated, improved data loading - Live from London Join Michael Manoochehri and Ryan Boyd live from London to discuss Strata London and Best Practices for using BigQuery. They'll also host an open Office Hours. Please add your questions to Google Moderator on developers.google.com From: GoogleDevelopers Views: 87 14 ratings Time: 33:00 More in Science & Technology

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• The Jack LaLanne School of Sysadmins

  - by rickramsey

  Two of my childhood heroes were Tarzan and Jack LaLanne. Tarzan was an obvious choice: what boy wouldn't want to spend his days bungee jumping through the jungle with his own pack of gorillas? Jack Lalanne had a disturbing habit of wearing stretch pants, but he was so damn fit for an old guy that you couldn't help but be impressed. Especially back then, when nobody knew what a dumb bell was, much less Cross-Fit. Here's what he did to celebrate his 70th birthday. Sooner or later we all face a choice in our careers: surrender to the life of a has-been like Bruce Sprinsteen's baseball player or become an unstoppable sysadmin like Jack Lalanne. If you'd rather keep on fighting like Jack, give these resources a look. Brian Bream's blog provides specific suggestions for keeping your skills up to date. The video interviews describe the types of technologies that are challenging what you used to know. Blog: The Old School Sysadmin - A Dying Breed? by Brian Bream "The sysadmin role has been far too dependent on performing repetitive tasks and working in a reactionary mode ... the sysadmin must grow a much larger skill set to be successful. Don’t grow vertically in one technology, grow horizontally amongst many technologies." Just one of the suggestions Brian Bream provides in this excellent blog post. Video: Freeing the Sysadmin From Repetitive Tasks Interview with Marshall Choy Marshall Choy, Director of Optimized Solutions at Oracle was once a sysadmin. And a Solaris engineer. He explains what optimized solutions are, how they are developed and tested, how they handle patching, and how these vertically integrated systems impact the job and duties of a sysadmin. Video: The Oracle Database Appliance Interview with Bob Thome Bob Thome, Senior Director of Product Management, explains what makes the Database Appliance simple, reliable, and affordable, and how it could change the economies and processes of the data center. Video: Why Pinellas County Chose Oracle Exalytics Interview with Gautham Gautham (pronounced like Batman's Gotham) recently led an effort to refresh the Pinellas County hardware systems. He'll explain what they were looking for, why they chose Oracle Exalytics, how they became convinced it was the right decision, and how it changed the way they managed their data center. Video: DTrace for System Administrators Interview with Brendan Gregg This video interview will give you an idea of some of the value-add tasks you can perform when you are freed from the reactive mode that Brian Bream describes in his blog. Brendan Gregg describes the best ways for sysadmins to tune deployed applications to get more performance out of them in their particular computing environment photograph of Ford Mustang GT 500 taken at Gateway Museum copyright by Rick Ramsey -Rick Follow me on: Blog | Facebook | Twitter | Personal Twitter | YouTube | The Great Peruvian Novel

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• Narwhal/Jack on IIS 7?

  - by Scott

  Has anybody successfully got an implementation of these running under IIS on Windows?

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• How do I change which audio jacks are used for input and output?

  - by yamaha1996

  I'm using a Realtek HD audio card built-in my motherboard. The Windows driver comes with a control panel that allows me to select which back panel jacks are used for what. So for example I can make both the blue jack and green jack for output and only the red one for mic-in. (Whereas by default, the blue jack is for line in, which I never need.) How can I do the same under Linux? If possible, please don't suggest something that involves PulseAudio or JACK; I'd like to do it the plain way, e.g. by editing ALSA configuration files, if possible. The way I understand it, my problem should have nothing to do with software servers redirecting streams, just instructing the driver to treat this jack as so and so because it's hardware supported. Thank you very much!

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• Ardour won't rewind when jack time master

  - by Edward

  Using Ubuntu Studio 12.04, ardour will not rewind when it is set to the jack time master. I've read that this could be due to a jack/ardour version conflict, but I am not sure what the correct combo should be. The same thing happens with "ardour 2.8.14 (built from revision 13065)" and "ardour 2.8.12 (built from revision 10144)". The latter is the default installation with ubuntu studio 12.04 LTS. Linux "/proc/version" reports as Linux version 3.2.0-23-lowlatency-pae (buildd@vernadsky) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu4) ) #31-Ubuntu SMP PREEMPT Wed Apr 11 04:07:36 UTC 2012 and "jackd --version" reports as: jackdmp 1.9.8 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2011 Grame. jackdmp comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details jackdmp version 1.9.8 tmpdir /dev/shm protocol 8 Thanks for any help.

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• Can it be harmful to grant jackd realtime priority?

  - by SuperElectric

  I am apt-get installing Ardour, a sound mixing program, just to try it out. Installing Ardour also installs JACK, a dependency. As part of the JACK installation script, I get the following dialog: If you want to run jackd with realtime priorities, the user starting jackd needs realtime permissions. Accept this option to create the file /etc/security/limits.d/audio.conf, granting realtime priority and memlock privileges to the audio group. Running jackd with realtime priority minimizes latency, but may lead to complete system lock-ups by requesting all the available physical system memory, which is unacceptable in multi-user environments. Enable realtime process priority? I'm installing on my laptop, which never has multiple simultaneous users. I still have concerns: is JACK something that'll be used by the system itself to play any sound (i.e. will it replace ALSA)? If so, does that mean that if I enable realtime priority for JACK, I'll run a slight risk of freezing the machine whenever any sound is played? Or is JACK only going to be used by Ardour for now (until I install some other JACK-dependent program)? Thanks, -- Matt

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• SQL Server overload in London in June

  - by simonsabin

  After the awesome SQLSocial last night in London we are just about to announce another event next week but in the mean time Paul and Kimberly are doing an Immersion event by Heathrow and have said anyone can come along on the Tuesday or Wednesday nights. If you want to pop along register quick before the space fills up. The event is being held at the Renaissance London Heathrow Hotel .  21 June 2011: Tuesday evening SQL Sentry will present: Tips for Query Tuning with SQL Sentry Plan Explorer...(read more)

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• London Hotel Gives iPad For Guest During Their Stay

  - by Gopinath

  The Brits are still waiting for the launch of iPad but a luxurious hotel, The Berkeley, located in London is offering its guest an iPad during their stay in the luxurious suites. The iPads are pre-loaded with a range of customized apps designed by the hotel for enriching the London experience of their guests.  The hotel explains From Le Monde to the Wall Street Journal, your local newspaper will be available at breakfast and quickly checking the opening times of Christian Louboutin on Motcomb Street has never been more convenient. A wide range of games, videos and comic books is available for children and our experienced Concierge team has created their personal Top 5 of must-visit places – shops, exhibitions, local attractions and some hidden gems – which are clearly mapped so that you can plan your itinerary. The Berkeley hotel is enjoying the free publicity it’s getting across the globe as they are the first one to introduce iPads in London hotels. And the Apple too, for being a symbol of luxurious gadgets. By the did I tell you that each night stay at the luxurious suites of the hotel costs around $2804? This money seems to be far more than the required  to travel to US, grab an iPad and return back home. Join us on Facebook to read all our stories right inside your Facebook news feed.

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• Step-by-step to run a midi keyboard input device? 12.04

  - by Mittenchops

  I have a Korg Nanokey, and I'd like to make it produce sound in ubuntu. I've read that means I should be using Rosegarden, and that Rosegarden uses JACK, but does not install it. (Although checking out Ubuntu Software Center, apparently some components of JACK are installed by default?) I understand there can be a lot of work setting up JACK without it fighting the default sound server. Can someone give me a step-by-step method for what I need to do to plug in my midi machine and hear music when I press keys as simply as possible (without messing up pulseaudio, ie, so I can still access Skype and ordinary desktop stuff)? I'm fine installing JACK, but I'd like to sandbox it a little if it has the chance of messing up regular desktop. I've looked through a couple resources, but I'm not sure what's outdated, but the following looked helpful... http://ubuntuforums.org/showthread.php?t=1686497 http://jackaudio.org/pulseaudio_and_jack

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• PowerPivot Workshop in Frankfurt (and London early-bird expiring soon) #ppws

  - by Marco Russo (SQLBI)

  One week ago I described the PowerPivot Workshop Roadshow that we are planning in several European countries. The news today is that the Workshop will be in Frankfurt (Germany) on February 21-22, 2011 ! The registrations are open on www.powerpivotworkshop.com web site. The early-bird price for Frankfurt will expire on February 4, 2011. And if you are willing to attend the London date on Febrary 7-8, remember that early-bird price for London is going to expire on Monday (January 17) ! Save your money...(read more)

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• Google+ Platform Office Hours (EMEA Edition): Devfest London & Hangouts

  Google+ Platform Office Hours (EMEA Edition): Devfest London & Hangouts For those who couldn't make it to this weekend's #devfestlondon at +Campus London, Google+ Platform Office Hours in Europe continues on Wednesday with a roundup of some of +Silvano Luciani, +Ian Barber and +Lee Denison's favourite moments from the event. +Silvano Luciani will be showing us how we too can Be +Paul Irish with the Hangout app he presented during the weekend, and we'll be talking about how to build Google Analytics into Hangout apps to make it easier to measure usage. From: GoogleDevelopers Views: 49 6 ratings Time: 19:29 More in Science & Technology

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• No sound output from headphone jack Ubuntu12.04

  - by Subcomfreak

  I have just bought a new ASUS u47vc computer. I have installed ubuntu 12.04 on it alongside windows 7 with no problems what so ever. Howevr, there is one issue that must be resolved. I can not get sound to come from the audio jack. The laptop's speakers work fine. It plays music and sound files fine with the internal speaks. However, when I plug in my headphones (or external speakers) the internal speakers mute (as they should) and nothing comes out of the headphones. Here are some outputs that might help: alsa information script: http://www.alsa-project.org/db/?f=82de5623cbdeeeae955cba02d7afe1a4b3fca965 Hope this problem can be fixed! Thank you in advance!!!

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