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• What does Ubuntu do when I signal undocking to a laptop?

  - by Seppo Erviälä

  It seems that Ubuntu runs some script or command when I signal that I want to undock my laptop by pressing the undock button on the dock. Most visible thing that happens is that resolution on external display is changed. After prepearing for undock my laptop is still connected to power, VGA-output and audio jacks through dock but not to any usb devices or optical drive. I'm running 11.04 on a ThinkPad X61s with X6 UltraBase. What happens when I signal undocking? This is what dmesg says after pressing undock button: [81459.990682] ata1.00: disabled [81459.990727] ata1.00: detaching (SCSI 0:0:0:0) [81459.991722] ACPI: \_SB_.GDCK - undocking [81460.009462] ehci_hcd 0000:00:1a.7: power state changed by ACPI to D0 [81460.020252] ehci_hcd 0000:00:1a.7: BAR 0: set to [mem 0xfe226c00-0xfe226fff] (PCI address [0xfe226c00-0xfe226fff]) [81460.020265] ehci_hcd 0000:00:1a.7: power state changed by ACPI to D0 [81460.020281] ehci_hcd 0000:00:1a.7: restoring config space at offset 0xf (was 0x300, writing 0x30b) [81460.020309] ehci_hcd 0000:00:1a.7: restoring config space at offset 0x1 (was 0x2900000, writing 0x2900102) [81460.020338] ehci_hcd 0000:00:1a.7: PME# disabled [81460.020346] ehci_hcd 0000:00:1a.7: power state changed by ACPI to D0 [81460.020352] ehci_hcd 0000:00:1a.7: power state changed by ACPI to D0 [81460.020363] ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 22 (level, low) -> IRQ 22 [81460.020372] ehci_hcd 0000:00:1a.7: setting latency timer to 64 [81460.020432] ehci_hcd 0000:00:1d.7: power state changed by ACPI to D0 [81460.040071] ehci_hcd 0000:00:1d.7: BAR 0: set to [mem 0xfe227000-0xfe2273ff] (PCI address [0xfe227000-0xfe2273ff]) [81460.040085] ehci_hcd 0000:00:1d.7: power state changed by ACPI to D0 [81460.040104] ehci_hcd 0000:00:1d.7: restoring config space at offset 0xf (was 0x400, writing 0x40b) [81460.040133] ehci_hcd 0000:00:1d.7: restoring config space at offset 0x1 (was 0x2900000, writing 0x2900102) [81460.040170] ehci_hcd 0000:00:1d.7: PME# disabled [81460.040178] ehci_hcd 0000:00:1d.7: power state changed by ACPI to D0 [81460.040184] ehci_hcd 0000:00:1d.7: power state changed by ACPI to D0 [81460.040195] ehci_hcd 0000:00:1d.7: PCI INT D -> GSI 19 (level, low) -> IRQ 19 [81460.040204] ehci_hcd 0000:00:1d.7: setting latency timer to 64 [81460.040503] ehci_hcd 0000:00:1d.7: PCI INT D disabled [81460.040552] ehci_hcd 0000:00:1d.7: PME# enabled [81460.061657] ehci_hcd 0000:00:1d.7: power state changed by ACPI to D3 [81460.200414] usb 1-4: USB disconnect, address 14 [81462.220088] ehci_hcd 0000:00:1a.7: PCI INT C disabled [81462.220169] ehci_hcd 0000:00:1a.7: PME# enabled [81462.240115] ehci_hcd 0000:00:1a.7: power state changed by ACPI to D3

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• How do I disable network connection at prelogin?

  - by ProGNOMmers

  --- This question is related to Ubuntu 12.10, since previous versions did not connect to network before login --- I had a bad boot today: the Ubuntu screen was blocked at startup time, after a green [OK] and a white blinking underscore. In recovery mode I figured out the problem: NetworkManager hung trying to connect to a wireless network that wasn't available anymore, and so I couldn't reach the prelogin level. Anyway: I really don't like that the pc connects to a network before the user logging in. How is it possible to disable it?

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• Deactivate volume amplification?

  - by Industrial

  Hi everyone, I would like to deactivate the amplification feature on my sound volume slider. Using any amplification makes the sound really bad with clipping sounds taking over. It's really annoying to have to worry about where the amplification starts/stops when adjusting the slider from my keyboard or through the Gnome panel (sound thingy). I have to open the "Sound preferences" after each time adjusting the volume and ensure that the level is set to 100% unamplified. So can I do this someway easy in Ubuntu 10.10?

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• Why Small Businesses Should Have a Website & Tips on Getting Started

  A small business should have a website in order to increase its level of professionalism. These days, even the smallest business can advertise on a global scale! Furthermore, such advertising is very affordable. It doesn't cost very much money at all to create and run a website. Read this guide to learn more about the advantages of having a site and how to get started!

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• My page no longer shows up in Google's results for a keyword

  - by user6456

  I have a small website about a commercial product, with a description and tutorial. 2 days ago it was in position 11th in Google search results, without any kind of SEO optimization on my part. Today it's gone. Totally gone - not even in the first 200 results. It's still very high in bing.com and duckduckgo.com. The site is very on topic. It's hosted under domain Keyword.com, and it's about commercial product which addresses the Keyword. How can I know what happened?

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• PAL–Performance Analysis of Logs

  - by GavinPayneUK

  I was doing some research earlier this week on SQL Server related troubleshooting tools and was surprised I’d forgotten about Microsoft’s PAL tool – Performance Analysis of Logs. PAL is a free PowerShell UI based tool from Microsoft that creates a perfmon template which can then be used to capture counters most relevant to a high-level performance review PAL will them give for specific Microsoft server deployments, SQL Server being one of them.  Everyone knows what perfmon does, probably too...(read more)

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• A question on nature of generated assembly in C++ and code Algebra

  - by Reetesh Mukul

  I wrote this code: #include <iostream> int main() { int a; std::cin >> a; if(a*a== 3){ std::cout << a; } return 0; } On MSVC I turned ON all optimization flags. I expected that since a*a can never be 3, so compiler should not generate code for the section: if(a*a== 3){ std::cout << a; } However it generated code for the section. I did not check GCC or LLVM/CLang. What are the limits of expectation from a C++ compiler in these scenarios?

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• Small script to look for Project Replication actions that have failed

  - by Trond Strømme

  Today when looking at a couple of projects on a ZFS 7320 Storage Appliance I noticed on one project that one of its replication actions had failed, as I hadn't checked the Recent Alerts log yet I was not aware of this. I decided to write a small script to check if there were others that had failed. Nothing fancy, just a loop through all projects, look at the project's replication child and compare the values of the last_sync and last_try properties and print the result if they're not equal. (There are probably more sensible ways of doing this, but at least it involves me getting the chance to put on my headphones and doing just a little bit of coding.) script // this script will locate failed project level replication // it will look at the sync times for 'last_sync' and 'last_try' // and compare these, if they deviate you should investigate. // NOTE! this code is offered 'as is' Run at your own risk, // it will probably work as intended, but in now way can I // (or Oracle) be held responsible if your server starts behaving // like a three year old kid in a candy store.. (not that mine do, // they are very well behaved boys...) run('configuration'); run('storage'); printf('Host: %s, pool: %s\n', get('owner'),get('pool')); run('cd /'); run('shares'); proj=list(); printf("total projects: %d\n",proj.length +'\n'); // just for project level replication for(i=0;i<proj.length;i++){ run('select '+proj[i]); run('replication'); //get all replication actions preps = list(); for(j=0;j<preps.length;j++){ run('select ' + preps[j]); last_sync = get('last_sync'); last_try = get('last_try'); // printf("target %s\n", get('target')); //why the flip does this not get the proper name? if(!( last_sync.valueOf() === last_try.valueOf())){ printf("sync has failed for %s %s\n", proj[i], get('target')); }else{ // printf("OK %s %s\n", proj[i], get('target')); } run('done'); //done with the replica action } run('done'); run('done'); } printf("finished\n"); For a more on how to run the script, or testing it please look at my previous post. Sample output: Host: elb1sn01, pool: exalogic total projects: 45 sync has failed for ACSExalogicSystem cb3a24fe-ad60-c90f-d15d-adaafd595639 finished

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• Profiling Startup Of VS2012 &ndash; Ants Profiler

  - by Alois Kraus

  I just downloaded ANTS Profiler 7.4 to check how fast it is and how deep I can analyze the startup of Visual Studio 2012. The Pro version which is useful does cost 445€ which is ok. To measure a complex system I decided to simply profile VS2012 (Update 1) on my older Intel 6600 2,4GHz with 3 GB RAM and a 32 bit Windows 7. Ants Profiler is really easy to use. So lets try it out. The Ants Profiler does want to start the profiled application by its own which seems to be rather common. I did choose Method Level timing of all managed methods. In the configuration menu I did want to get all call stacks to get full details. Once this is configured you are ready to go.   After that you can select the Method Grid to view Wall Clock Time in ms. I hate percentages which are on by default because I do want to look where absolute time is spent and not something else.   From the Method Grid I can drill down to see where time is spent in a nice and I can look at the decompiled methods where the time is spent. This does really look nice. But did you see the size of the scroll bar in the method grid? Although I wanted all call stacks I do get only about 4 pages of methods to drill down. From the scroll bar count I would guess that the profiler does show me about 150 methods for the complete VS startup. This is nonsense. I will never find a bottleneck in VS when I am presented only a fraction of the methods that were actually executed. I have also tried in the configuration window to also profile the extremely trivial functions but there was no noticeable difference. It seems that the Ants Profiler does filter away way too many details to be useful for bigger systems. If you want to optimize a CPU bound operation inside NUnit then Ants Profiler is with its line level timings a very nice tool to work with. But for bigger stuff it is certainly not usable. I also do not like that I must start the profiled application from the profiler UI. This makes it hard to profile processes which are started by some other process. Next: JetBrains dotTrace

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• What is an acceptable GC frequency for a SlimDX/Windows/.NET game?

  - by Rei Miyasaka

  I understand that the Windows GC is much better than the Xbox/WP7 GC, being that it's generational and multithreaded -- so I don't need to worry quite as much about avoiding memory allocation. SlimDX even has some unavoidable functions that generate some amount of garbage (specifically, MapSubresource creates DataBoxes), yet people don't seem to be too upset about it. I'd like to use some functional paradigms to write my code too, which also means creating objects like closures and monads. I know premature optimization isn't a good thing, but are there rules of thumb or metrics that I can follow to know whether I need to cut down on allocations? Is, say, one gen 0 GC per frame too much? One thing that has me stumped is object promotions. Gen 0 GCs will supposedly finish within a millisecond or two, but if I'm understanding correctly, it's the gen 1 and 2 promotions that start to hurt. I'm not too sure how I can predict/prevent these.

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• Read Committed Snapshot Isolation– Two Considerations

  - by GavinPayneUK

    The Read Committed Snapshot database option in SQL Server, known perhaps more accurately as Read Committed Snapshot Isolation or RCSI, can be enabled to help readers from blocking writers and writers from blocking readers.  However, enabling it can cause two issues with the tempdb database which are often overlooked. One can slow down queries, the other can cause queries to fail . Overview of RCSI Enabling the option changes the behaviour of the default SQL Server isolation level, read...(read more)

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• Does learning a functional language make a better OOP programmer?

  - by GavinH

  As a Java/C#/C++ programmer I hear a lot of talk about functional languages, but have never found a need to learn one. I've also heard that the higher level of thinking introduced in functional languages makes you a better OOP/procedural language programmer. Can anyone confirm this? In what ways does it improve your programming skills? What is a good choice of language to learn with the goal of improving skills in a less sophisticated language?

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• Need to Determine the Engine Status?

  - by user702295

  If you need to establish the status of the engine, begin with this SQL: select status, engine, engine_version,fore_column_name from dm.forecast_history The status of an engine run is stored in the FORECAST_HISTORY table, in the “status” field.  We can also find in that table the FORE_COLUMN_NAME field. This field includes the name of the column in SALES_DATA in which the relevant forecast is stored. Here are the possible statuses: -1, -2 : The engine failed in the initialization phase.  Which means, before the engine manager created the engines.  0 : The engine stopped in the optimization phase.  Which means, after the engines were created.  1: The engine finished the run successfully.  2: Forecast was never calculated for the relevant column that is mentioned in FORE_COLUMN_NAME.  

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• WordPress - Emergency Access Without Admin Accounts

  In some cases, when you need to do something in a WordPress website, but all you have is only access to WordPress database and FTP, and you cannot get the admin password from the database because it's decrypted. All changes you have to make via some low level MySQL queries, it's hard and easy mistaken. Joost de Valk has written a script for emergency access to WordPress dashboard by changing admin password or creating new user.

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• Recording Available - Features and Functions Payments Module

  - by MHundal

  The Payments Module recording provides a high-level overview of Payments Processing in ETPM.  The recording discusses the Payments Data Model, including Payment Events, Tenders, Tender Control, Deposit and Deposit Control.  In addition, there is a product demonstration of payment processing in the system. Payments Module Overview:  https://oracletalk.webex.com/oracletalk/ldr.php?AT=pb&SP=MC&rID=67364002&rKey=9fe755e4f41a2d4d

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• Programmatically sync dropbox without daemon running

  - by user84207

  I would like to 'manually' force dropbox to sync at certain times (eg at regular, daily intervals using cron, as part of a larger backup script). My goal is to substitute the dropbox daemon with single "sync" command invocations at only the times that I control. Looking at the documentation for the dropbox command on Ubuntu, I only see a way to start/stop the daemon, but not to force it to sync. Is there a lower level api available that can accomplish this?

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• On Demand Membership & Specialization Certificates

  - by Cinzia Mascanzoni

  Did you know that partners can download OPN Membership Level certificates, as well as Specialization and Oracle Exastack program certificates as they need them? Invite partners to click here to access “My Company Certificates.” They can use their certificates to promote their company’s achievements to customers and prospects.

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• Gnome- vs Unity-panel (applet) compatibility?

  - by user5676

  I just love the indicator-applet and other parts of the Ayatana-project and think Ubuntu has done an awesome job there. And as the question about applet compatibility seem to be answered as a 'no' I'd like to take the question to the next level - the 'why' and 'why not'. How come these Ayatana-applets today work in gnome-panel but gnome applets won't work in the Unity panel? And - as it's connected - why not make them compatible? Isn't it all about usability?

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• One Bug Fix Coming on Patch Tuesday

  Tuesday's single patch is rated critical for Windows security--the highest level of Microsoft's four-tier security threat severity scale--only for Windows 2000 Service Pack 4 (SP4).

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• Google I/O 2012 - Writing Secure Web Apps and Chrome Extensions

  Google I/O 2012 - Writing Secure Web Apps and Chrome Extensions Jorge Lucangeli Obes Today, a carefully developed web app can boast a high level of security, by taking advantage of several technologies: HTML5, CSP, NaCl, and the Chrome extension framework. The objective of this session is to show how these technologies allow a developer to create a web app that rivals or exceeds a desktop app in features, while remaining more secure than its desktop counterpart. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 46 1 ratings Time: 56:16 More in Science & Technology

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• How can I plot a radius of all reachable points with pathfinding for a Mob?

  - by PugWrath

  I am designing a tactical turn based game. The maps are 2d, but do have varying level-layers and blocking objects/terrain. I'm looking for an algorithm for pathfinding which will allow me to show an opaque shape representing all of the possible max-distance pixels that a mob can move to, knowing the mob's max pixel distance. Any thoughts on this, or do I just need to write a good pathfinding algorithm and use it to find the cutoff points for any direction in which an obstacle exists?

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• Accenture completes acquisition of Enkitec

  - by Javier Puerta

  The acquisition of Enkitec by Accenture has been now completed. “This acquisition infuses a level of industry-leading talent into our Oracle Engineered Systems business,” said Derek Steelberg, global managing director of Oracle business for Accenture. “The combination of our infrastructure transformation expertise and Enkitec’s deep Oracle knowledge and skill set means that our clients can more quickly derive greater business value from their investments across the spectrum of Oracle technologies.”  See full Accenture press release with details here.

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• Google Webmaster Tools Index dropped to Zero [closed]

  - by Brian Anderson

  Earlier this year I rebuilt my website using ZenCart. Immediately I saw a drop in index status from 59 to 0. I then signed up for Google Webmaster Tools and noticed the Index status took a dramatic drop and has never recovered. I have worked to add content and I know I am not done, but have not seen any recovery of this index since. What confuses me is when I look at the sitemap status under Optimization it shows me there are 1239 submitted and 1127 pages indexed. Most of my pages have fallen off page one for relevant search terms and some are as far back as page 7 or 8 where they used to be on the first page. I have made some changes in the past week to robots.txt and sitemap.xml, but have not seen any improvements. Can anyone tell me what might be going on here? My website is andersonpens.net. Thanks! Brian

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• 5.1 surround sound

  - by rocker9455

  Ok, So i've always had trouble with enabling 5.1 in ubuntu. Running 'alsamixer': I have: Master, Heaphones, PCM, Front, Front Mi, Front Mi, Surround, Center All are at 100% Card:HDA Intel Chip:Realtek ALC888 (This is my onboard sound, Its a dell studio, with 7.1 integrated sound) Running "speaker-test -c6 -twav" I only get the front 2 speakers (Right/Left) making any noise. The others make no noise at all. I have no other sound card to use as all my PCI slots are used up. Daemon.conf: ; daemonize = no ; fail = yes ; allow-module-loading = yes ; allow-exit = yes ; use-pid-file = yes ; system-instance = no ; enable-shm = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; lock-memory = no ; cpu-limit = no ; high-priority = yes ; nice-level = -11 ; realtime-scheduling = yes ; realtime-priority = 5 ; exit-idle-time = 20 ; scache-idle-time = 20 ; dl-search-path = (depends on architecture) ; load-default-script-file = yes ; default-script-file = ; log-target = auto ; log-level = notice ; log-meta = no ; log-time = no ; log-backtrace = 0 resample-method = speex-float-1 ; enable-remixing = yes ; enable-lfe-remixing = no flat-volumes = no ; rlimit-fsize = -1 ; rlimit-data = -1 ; rlimit-stack = -1 ; rlimit-core = -1 ; rlimit-as = -1 ; rlimit-rss = -1 ; rlimit-nproc = -1 ; rlimit-nofile = 256 ; rlimit-memlock = -1 ; rlimit-locks = -1 ; rlimit-sigpending = -1 ; rlimit-msgqueue = -1 ; rlimit-nice = 31 ; rlimit-rtprio = 9 ; rlimit-rttime = 1000000 ; default-sample-format = s16le ; default-sample-rate = 44100 ; default-sample-channels = 6 ; default-channel-map = front-left,front-right default-fragments = 8 default-fragment-size-msec = 10

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• How to choose, set and use keywords while structuring a website?

  - by mechdeveloper

  I have been working on my personal website for sometime, I think I have been doing a good technical job, but, unfortunately I did a terrible job while structuring the website because I didn't care about the keywords I was going to use. Although it is my personal website, I'd like to mention the main objective is the blog of the website, so I'd like that the keywords were related to the content that it is in the blog, at present google webmaster tools is displaying a lot of keywords that has nothing to do with the content of the website, and some SEO reporting websites such as woorank says that the keyword optimization of the website is awful, So I have 3 questions: How to choose, set and use keywords while structuring a website? OPTIONAL: which are all the methods and sources used by search engines to collect the keywords of a website? there are some high profile websites that aren't optimized on this as well, should I concerned about this anyway?, is there anything more important that I should be concerned about? (if you want to see the website please check my profile)

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