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• How do I make changes to /proc/acpi/wakeup permanent?

  - by Jolan

  I had a problem with my Ubuntu 12.04 waking up immediately after going into suspend. I solved the problem by changing the settings in /proc/acpi/wakeup, as suggested in this question: How do I prevent immediate wake up from suspend?. After changing the settings, the system goes flawlessly into suspend and stays suspended, but after I wake it back up, the settings in /proc/acpi/wakeup are different from what I set them to. Before going to suspend: cat /proc/acpi/wakeup Device S-state Status Sysfs node SMB0 S4 *disabled pci:0000:00:03.2 PBB0 S4 *disabled pci:0000:00:09.0 HDAC S4 *disabled pci:0000:00:08.0 XVR0 S4 *disabled pci:0000:00:0c.0 XVR1 S4 *disabled P0P5 S4 *disabled P0P6 S4 *disabled pci:0000:00:15.0 GLAN S4 *enabled pci:0000:03:00.0 P0P7 S4 *disabled pci:0000:00:16.0 P0P8 S4 *disabled P0P9 S4 *disabled USB0 S3 *disabled pci:0000:00:04.0 USB2 S3 *disabled pci:0000:00:04.1 US15 S3 *disabled pci:0000:00:06.0 US12 S3 *disabled pci:0000:00:06.1 PWRB S4 *enabled SLPB S4 *enabled I tell the system to suspend, and it works as it should. But later after waking it up, the settings are changed to either: USB0 S3 *disabled pci:0000:00:04.0 USB2 S3 *enabled pci:0000:00:04.1 US15 S3 *disabled pci:0000:00:06.0 US12 S3 *enabled pci:0000:00:06.1 or USB0 S3 *enabled pci:0000:00:04.0 USB2 S3 *enabled pci:0000:00:04.1 US15 S3 *enabled pci:0000:00:06.0 US12 S3 *enabled pci:0000:00:06.1 Any ideas? Thank you for your response. Unfortunately it did not solve my problem. all of /sys/bus/usb/devices/usb1/power/wakeup /sys/bus/usb/devices/usb2/power/wakeup /sys/bus/usb/devices/usb3/power/wakeup /sys/bus/usb/devices/usb4/power/wakeup as well as /sys/bus/usb/devices/3-1/power/wakeup are set to disabled, and the notebook still wakes up by itself right after going to sleep. The only thing it seems to react to are the settings in /proc/acpi/wakeup, which keep changing (resetting) every time i power off/restart my notebook.

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• Do the amount of CUDA cores matter for Sony Vegas

  - by Saif Bechan

  I am building a new PC, and I am wondering if I am making the right choices. The PC will mainly be used for video editing, and mainly in Sony Vegas. Now I have the choice of going with a video that that has more of less CUDO cores. To be precise I am choosing between a Ti and non-Ti version of an nVidea video card. Now I have read that sony vegas can partially use the CUDA cores to it's benefit, but not that much, and only if you use GPU acceleration. On the other hand I have heard it's better to leave GPU acceleration off as it will effect the quality of the output. Making it so that the CUDA cores actually don't make much of a difference after all.

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• Problem with Lenovo x200s Wifi under Ubutu Karmic

  - by oneself

  Hi, I have just gotten my Lenovo X200s laptop, and I am install Ubuntu 9.10 Karmic on it. The installation went through without a hitch, but I can't get my wifi to work. lspci | grep Network Produces the following results: 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network Connection (rev 03) 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8172 (rev 10) The weird part is that when I turn the wifi hardware stitch on and off on the side of the laptop, I get the following printed in /var/log messages: Dec 30 23:24:48 temp-laptop kernel: [ 213.432302] usb 4-2: USB disconnect, address 2 Dec 30 23:24:52 temp-laptop kernel: [ 217.276310] usb 4-2: new full speed USB device using uhci_hcd and address 3 Dec 30 23:24:52 temp-laptop kernel: [ 217.441759] usb 4-2: configuration #1 chosen from 1 choice Does Ubuntu think my wifi card is a USB device? Am I missing some driver? What can I do to fix this? Please, help!

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• Auto-Attach EBS-volume to a New Spot Instance?

  - by Jeff

  I am experimenting with EC2 spot instances, and am needing some data to be retained between terminations. Now as I understand it, when the current price goes above my max. bid, it will be automatically terminated. I assume any init scripts I have will be run on shutdown so I can push data off to the EBS before unmounting. My question is, how can I automatically mount the same EBS volume on the new spot instance once the price goes down, since it won't have any of my init scripts that I would've loaded onto the root volume the first time? Do I have to create a custom AMI, or is there some other way to achieve this?

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• How do I increase my home's bandwidth?

  - by Derek

  I just mistakingly posted this on Stack Exchange but don't know how to delete it... Anyway, I was thinking of building a home server to use instead of renting a VPS, because in the long run it would be cheaper. What I'm concerned with is the bandwidth limit of my house. I know when I'm downloading something off the internet, if I download at high speeds the rest of the computers connected to my router will become slower. Is there any way to avoid this? There are other cable outlets in my house, will connecting a modem and router there avoid this problem?

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• 2D soft-body physics engines?

  - by Griffin

  Hi so i've recently learned the SFML graphics library and would like to use or make a non-rigid body 2D physics system to use with it. I have three questions: The definition of rigid body in Box2d is A chunk of matter that is so strong that the distance between any two bits of matter on the chunk is completely constant. And this is exactly what i don't want as i would like to make elastic, deformable, breakable, and re-connection bodies. 1. Are there any simple 2D physics engines, but with these kinds of characteristics out there? preferably free or opensource? 2. If not could i use box2d and work off of it to create it even if it's based on rigid bodies? 3. Finally, if there is a simple physics engine like this, should i go through with the proccess of creating a new one anyway, simply for experience and to enhance physics math knowledge? I feel like it would help if i ever wanted to modify the code of an existing engine, or create a game with really unique physics. Thanks!

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• mac osx snow leopard menu get stuck

  - by georgekk

  hi i am using mac osx 10.6.3 (snow leopard) and sometimes when i have a window selected the file menu doesnt update in relation to the window im currently on. i have to click around on different windows then go back to the window i want for the file menu to display. this really annoys me - the one thing that pisses me off on mac system. i wish they had copied how microsoft is doing it. anyone know a fix for this? or its something i have to live with.

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• Best way to backup and restore millions of files

  - by bongo

  Hi, I'm facing a rebuilding of the volume on which I host the mail storage (kerio mailserver, which uses maildirs). I need to backup and restore as quick as possible the 3.5+ millions (for about 600GB) small files of the store directory. It takes more than 12 hours via rsync to a NFS share, but I also have a 1TB firewire 800 raid1 disk that I can use (from some preliminary tests it's faster). I'm working off a XServe intel. What is the fastest way to do it? Rsync? Finder copy? tar?

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• How to evaluate the quality of Rails code?

  - by Fortuity

  In a code review, what do you look for to assess a developer's expertise? Given an opportunity to look at a developer's work on a real-world project, what tell-tale signs are a tip-off to carelessness or lack of experience? Conversely, where do you look in the code to find evidence of a developer's skill or knowledge of best practices? For example, if I'm looking at a typical Rails app, I would be happy to see the developer is using RSpec (showing a commitment to using test-driven development and knowledge that RSpec is currently more popular than the default TestUnit). But in examining the specs for a Rails model, I see that the developer is testing associations, which might indicate a lack of real understanding of Rails testing requirements (since such tests are redundant given that they only test what's already implemented and tested in ActiveRecord). More generally, I might look to see if developers are writing their own implementations versus using widely available gems or if they are cleaning up code versus leaving lots of commented-out "leftovers." What helps you determine the skill of a Rails developer? What's your code quality checklist?

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• Keyboard locking up in Visual Studio 2010, Part 2

  - by Jim Wang

  Last week I posted about looking into the keyboard locking up issue in Visual Studio.  So far it looks like not a lot of people have replied to provide concrete repro steps, which confirms my suspicion that this is somewhat of a random issue. So at this point, I have a couple of choices.  I can either wait for somebody in the community to provide a repro of the problem that I can reliably run into, or I can do the work myself. I’m going to do both, so while I’m waiting for more possible bug reports, I’m going to write a tool that models the behavior of a typical Visual Studio user and use that to hopefully isolate the problem. I’ve chosen to go with this path since given the information in the bug reports, it seems people hit the issue with many different configurations in many different scenarios.  This means that me sitting down without any solid repro steps is likely not going to be a good use of time.  Instead, I’m going to go with a model-based testing approach where I will define a series of actions that a user in VS can do, and then proceed to run my model.  I’ll let you guys know how this works out for isolating bugs :) I’m using an internal tool for the model engine and AutoIt for the UI automation (I want something lightweight for a one-off).  One of the challenges will be getting feedback: AutoIt is great at driving, but not so great at understanding what success and failure means.

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• SQL Monitor Alerts in Outlook Without Configuring Email Settings

  - by Fatherjack

  SQL Monitor is a Red Gate tool that I have a long history with and I have worked closely with the development team from a time before it was called SQL Monitor. It is with that history in mind I am a little disappointed in myself that I have only just found out about a pretty cool feature. Out of the box SQL Monitor keeps itself to itself, it busily goes about watching over your servers, noting down when things look suspicious, change drastically or are just out and out wrong. You have to go into the settings and provide email details (SMTP server, account details etc.) before it starts getting at all intrusive with warning and alerts on the condition of your servers. However, it was after installing the most recent version that I was going through the application screen by screen looking for new and interesting changes that I noticed something that had avoided my attention. On the Alerts tab there is an option in the left hand menu. I don’t know how long ago it appeared or why I have never explored it previously but it appears that you can see your Alerts in the format of an RSS feed. Now when you click that link you are taken to a page that is the raw RSS XML – not too interesting but clearly you can use this in an RSS aggregator. Such as Outlook. Note the URL in the newly opened page take it with you into Outlook. For me it is in the form of http://SQLMonitorServerName/Alerts/Inbox/Feed. Again, this is something that I have only recently noticed – Outlook can aggregate RSS feeds. Down below the Inbox, Drafts folders etc, one up from the bottom is RSS Feeds. If you right click that and choose to Add a feed then you can supply the URL for SQL Monitor Alerts: And there you have it, your SQL Monitor Alerts available in Outlook where you can keep an eye on the number of unread items and pick them off at your convenience.

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• Attention NYC Area Marketers: Don't Miss This Executive Breakfast on Brand Building in the Digital Era

  - by Christie Flanagan

  Presenting and Managing Digital Content – A New Approach Reach Your Audiences Where They Are with Multi-Channel Marketing Attention marketers in the greater New York City area! Oracle Platinum Partner, Bluenog, invites you to an executive breakfast seminar on brand building in the digital era. In an age where consumers are spending increasing amounts of their time online, interacting, communicating and being influenced by other brands, you too must go online with a coordinated plan. And, given the hundreds, if not thousands, of places that might be relevant, having the right content and the right tools are critical. This two-part presentation will focus on the growing need for content and connection in building and maintaining your brand, as well as the role of technology in helping you maintain brand consistency, reach and interaction while simplifying delivery to web, tablet, mobile, and social audiences. Location Oracle Offices 520 Madison Ave, 30th Floor New York, NY  10022 Day/Time Thursday, May 3, 2012 9:30 AM to 11:30 AM About the Speakers Agenda: Michelle Pujadas, is an award-winning marketer and communicator, who has worked with more than 125 companies to help them package, launch and expand their brand presence, online and off. Michelle is the Founder and co-CEO of Zer0 to 5ive, a strategic marketing and communications firm that focuses on B2B and B2C technology companies, with offices in NY, Philadelphia and Chicago. Peter Conrad, the E 2.0 Practice Director for Bluenog, focuses on translating exciting visions for user experiences into well executed technical implementations leveraging advanced WebCenter technology from Oracle. Bluenog provides the systems and professional services today's forward-looking marketing organizations need to convert content, business capabilities, and communications into productive interactions with customers and prospects. 09:30am Arrival, Registration & Breakfast 10:00am Brand Building through Content and Connection, presented by Michelle Pujadas, Founder and co-CEO of Zer0 to 5ive 10:30am Leveraging Technology for Brand Reach, Consistency and Interaction, presented by Peter Conrad, E2.0 Practice Director at Bluenog 11:15am Q&A 11:30am Adjourn

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• BUILD 2013&ndash;Day 2 Summary

  - by Tim Murphy

  Originally posted on: http://geekswithblogs.net/tmurphy/archive/2013/06/28/build-2013ndashday-2-summary.aspx Day 1 rocked.  So how could they top that?  By having more goodies to give away!  During the keynote they announced that attendees would get one year of Office 365, 100 GB of SkyDrive and one year of Adobe Cloud Service.  Overall they key note was long with more information shot at you than you could possibly absorb.  They went about 20 minutes over time which made me think that they could have split it to a 3rd keynote and given us a better idea on some of these topics and perhaps addressed the one open question that was floating around Twitter.  That is, what is going to happen with XBox development.  It sounded like there was a quick side mention of that, but I missed it. The rest of the day was packed with great sessions full of Windows 8, Azure and Windows Phone goodness.  I had planned on attending Scott Hanselman’s talk, but they had so many people this they had to push to an overflow room.  Stay tuned from session summaries later. The day was topped off by an attendee party across from the San Francisco Giant’s ball park.  It was kind of quirky and and fun.  They set it up on one of the piers in the bay and had food served by food trucks.  You would be surprised how good the food was.  Add in some pool tables, fooseball, video games, a DJ, a comedian/musician and plenty of spirits and it was a great way to end day 2. del.icio.us Tags: BUILD 2013

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• How to stabilize PCIe sound card in its card slot?

  - by Josh

  I have a Soundblaster Recon 3d Fatal1ty sound card and randomly every once in a while my computer won't recognize it. I am almost 100% sure it is something to do with its PCIe slot. After I turn off the computer and just wiggle the card a bit, the computer recognizes the card once I restart. I can't really try it in the other PCIe slot because the video card gets in the way. It is a Biostar TA970XE motherboard. I don't know if it is something to do with the pins on the actual card or if it is something to do with the slot. I couldn't find any related issues about this card on Google. Is there anything I can do to help secure the card in its slot so that my computer will recognize it? Any help is appreciated.

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• Intel VT-x disappeared after upgrading to Windows 8

  - by StepTNT

  I've upgraded to Windows 8 some weeks ago (MSDNAA!) and today, while I was trying to run a VM, I've noticed that VT-x is disabled. Now, Hyper-V works without problems, as I've tried emulating Win7 and WP8; but VirtualBox says that VT-x is disabled and it can't run my VM. Just to double check, I've run Securable by GRC and the Intel utility and both says that I've got VT-x off. Here comes the problem: VT-x is ON in my BIOS, and it worked flawlessly before upgrading to Windows 8! Any kind of suggestion? EDIT: My CPU supports VT-x: http://ark.intel.com/products/52219

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• TDD/Tests too much an overhead/maintenance burden?

  - by MeshMan

  So you've heard it many times from those who do not truly understand the values of testing. Just to start things out, I'm a follower of Agile and Testing... I recently had a discussion about performing TDD on a product re-write where the current team does not practice unit testing on any level, and probably have never heard of the dependency injection technique or test patterns/design etc (we won't even get on to clean code). Now, I am fully responsible for the rewrite of this product and I'm told that attempting it in the fashion of TDD, will merely make it a maintenance nightmare and impossible for the team maintain. Furthermore, as it's a front-end application (not web-based), adding tests is pointless, as the business drive changes (by changes they mean improvements of course), the tests will become out of date, other developers who come on to the project in the future will not maintain them and become more of a burden for them to fix etc. I can understand that TDD in a team that does not currently hold any testing experience doesn't sound good, but my argument in this case is that I can teach my practice to those around me, but further more, I know that TDD makes BETTER software. Even if I was to produce the software using TDD, and throw all the tests away on handing it over to a maintenance team, it surely would be a better approach than not using TDD at all from the start? I've been shot down as I've mentioned doing TDD on most projects for a team that have never heard of it. The thought of "interfaces" and strange looking DI constructors scares them off... Can anyone please help me in what is normally a very short conversation of trying to sell TDD and my approach to people? I usually have a very short window of argument before falling at the knees to the company/team.

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• Setting up Ubuntu Server on Amazon EC2 for hosting multiple domains with wildcard subdomains

  - by Ashish Kumar

  I'm trying to set up multiple domains on my Amazon EC2 micro instance running Ubuntu Server 12.04. I installed Apache correctly and set up virtual hosts but having problems with wildcard subdomains. This is what my httpd.conf file looks like NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /home/username/domains/%0/html/ </VirtualHost> My DNS records (on Amazon Route 53) are: domain.tld A 1.2.3.4 *.domain.tld A 1.2.3.4 If i create a test.domain.tld directory with the html subdirectory, it works fine. But what I want to do is to redirect *.domain.tld to domain.tld in case there is no directory for the sub-domain accessed. I would also like www.domain.tld to redirect to domain.tld. The system should also work if I decide to host another website, example.com, on the server. I tried Googling a lot but without any luck. Suggestions?

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• OSX: Selecting default application for all unknown and different file types (extensions)

  - by Leo

  I work in cluster computing and am using Mac OS X 10.6. I send off hundreds of computing jobs a day, and each one comes back with with a different extension. For example, svmGeneSelect.o12345 which is the std output of my svmGeneSelect job which is job number 12345. I don't control the extensions. All files are plain text. I want OSX to open any file extension that it hasn't seen before with my favorite text editor when I click on it. Or even better set up file association defaults for extension patterns ie textEdit for extensions matching *.o*. I do NOT want to create file associations for individual files since this extension will only ever exist once, and I do not want to go through the process of selecting the application to use for each file. Thanks for any help you can offer.

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• Purely technical reasons for PHP as a first choice?

  - by JoelFan

  I know this may come off as a flame-y / troll-y, but I hope you will take my word for it that it's not my intention. I am just trying to understand the PHP phenomenon. After looking at the many technical issues with the language design of PHP, I am hard pressed to find any redeeming technical advantages where PHP surpasses all other languages. Before coming to the conclusion that there would simply be no reason to choose PHP as a development language on purely technical grounds, I would like to ask, if all non-technical factors were equal (such as what language the developers already know, what languages the hosting provider offers, language of existing code, cost, license, corporate fiat, etc.), would there be any type of new software system that would indicate making PHP a first choice for development? If so, what technical advantage does PHP have over all other languages that would cause you to choose it? EDIT: I am not interested in comparing PHP "out of the box" with other languages "out of the box". If PHP has a certain feature "out of the box" that another language has only after installing some readily available add-on, that is not considered an advantage for PHP for the purposes of this question.

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• Port binding conflicts with "switch user" on Windows 7

  - by C-dizzle

  We are using the switch user function within Windows 7 under an active directory network. We have one application in particular that gives us an error: Only one usage of each socket address (protocol/network address/port) is normally permitted. bind Port 10001 Are there any other ports that can only be used at one time that might have an adverse effect on the other user? We try to mentor our users to use the log off function instead of switch user, but that doesn't always happen. As an alternative, is it possible to disable the 'switch user' button on our machines?

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• Visual web page designer for Django?

  - by Robert Oschler

  I'm just starting my Django learning so pardon me if any part of this question is off-base. I have done a lot of web searching for information on the equivalent of a visual web page designer for Django and I don't seem to be getting very far. I have experience with Delphi (Object Pascal), C, C++, Python, PHP, Java, and Javascript and have created and maintained several web sites that included MySQL database dependent content. For the longest time I've been using one of the standard WYSIWIG designers to design the actual web pages, with any needed back end programming done via Forms or AJAX calls that call server side PHP scripts. I have grown tired of the quirks, bugs, and other annoyances associated with the program. Also, I find myself hungry for the functionality and reliability a good MVC based framework would provide me so I could really express myself with custom code easily. So I am turning to Django/Python. However, I'm still a junkie for a good WYSIWIG designer for the layout of web pages. I know there are some out there that thrive on opening up a text editor, possibly with some code editor tools to assist, and pounding out pages. But I do adore a drag and drop editor for simple page layout, especially for things like embedded images, tables, buttons, etc. I found a few open source projects on GitHub but they seem to be focused on HTML web forms, not a generic web page editor. So can I get what I want here? The supreme goal would be to find not only a web page editor that creates Django compatible web pages, but if I dare say it, have a design editor that could add Python code stubs to various page elements in the style of the Delph/VCL or VB design editors. Note, I also have the Wing IDE Professional IDE, version 2.0. As a side note, if you know of any really cool, fun, or time-saving Python libraries that are designed for easy integration into Django please tell me about them. -- roschler

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• New ZFSSA code release - April 2012

  - by user12620172

  A new version of the ZFSSA code was released over the weekend. In case you have missed a few, we are now on code 2011.1.2.1. This minor update is very important for our friends with the older SAS1 cards on the older 7x10 systems. This 2.1 minor release was made specifically for them, and fixes the issue that their SAS1 card had with the last major release. They can now go ahead and upgrade straight from the 2010.Q3.2.1 code directly to 2011.1.2.1. If you are on a 7x20 series, and already running 2011.1.2.0, there is no real reason why you need to upgrade to 1.2.1, as it's really only the Pandora SAS1 HBA fix. If you are not already on 1.2.0, then go ahead and upgrade all the way to 2011.1.2.1. I hope everyone out there is having a good April so far. For my next blog, the plan is to work off the Analytic tips I did last week and expand on which Analytics you want to really keep your eyes on, and also how to setup alerts to watch them for you. You can read more and keep up on your releases here: https://wikis.oracle.com/display/FishWorks/Software+Updates Steve   

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• 50 Years of LEDs: An Interview with Inventor Nick Holonyak [Video]

  - by Jason Fitzpatrick

  The man who powered on the first LED half a century ago is still around to talk about it; read on to watch an interview with LED inventor Nick Holonyak. The most fascinating thing about Holonyak’s journey to the invention of the LED was that he started off trying to build a laser and ended up inventing a super efficient light source: Holonyak got his PhD in 1954. In 1957, after a year at Bell Labs and a two year stint in the Army, he joined GE’s research lab in Syracuse, New York. GE was already exploring semiconductor applications and building the forerunners of modern diodes called thyristors and rectifiers. At a GE lab in Schenectady, the scientist Robert Hall was trying to build the first diode laser. Hall, Holonyak and others noticed that semiconductors emit radiation, including visible light, when electricity flows through them. Holonyak and Hall were trying to “turn them on,” and channel, focus and multiply the light. Hall was the first to succeed. He built the world’s first semiconductor laser. Without it, there would be no CD and DVD players today. “Nobody knew how to turn the semiconductor into the laser,” Holonyak says. “We arrived at the answer before anyone else.” But Hall’s laser emitted only invisible, infrared light. Holonyak spent more time in his lab, testing, cutting and polishing his hand-made semiconducting alloys. In the fall of 1962, he got first light. “People thought that alloys were rough and turgid and lumpy,” he says. “We knew damn well what happened and that we had a very powerful way of converting electrical current directly into light. We had the ultimate lamp.” How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems 7 Ways To Free Up Hard Disk Space On Windows

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• Fix corrupt NTFS partition without Windows

  - by Capt.Nemo

  MY NTFS Partition has gotten corrupt somehow (it's a relic from the days when I had Windows installed). I'm putting the debug output of fdisk and blkid here. At the same time, any OS is unable to mount my root partition, which is located next to my NTFS partition. I'm not sure if this has anything to do with it, though. I get the following error while trying to mount my root partition (sda5) mount: wrong fs type, bad option, bad superblock on /dev/sda5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so ubuntu@ubuntu:~$ dmesg | tail [ 1019.726530] Descriptor sense data with sense descriptors (in hex): [ 1019.726533] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 1019.726551] 1a 3e ed 92 [ 1019.726558] sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate failed [ 1019.726568] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 1a 3e ed 40 00 01 00 00 [ 1019.726584] end_request: I/O error, dev sda, sector 440331666 [ 1019.726602] JBD: Failed to read block at offset 462 [ 1019.726609] ata1: EH complete [ 1019.726612] JBD: recovery failed [ 1019.726617] EXT4-fs (sda5): error loading journal When I open gparted (using live CD), I get an exclamation next to my NTFS drive which states Is there a way to run chkdsk without using windows ? My attempt to run fsck results in the following : ubuntu@ubuntu:~$ sudo fsck /dev/sda fsck from util-linux-ng 2.17.2 e2fsck 1.41.14 (22-Dec-2010) fsck.ext2: Superblock invalid, trying backup blocks... fsck.ext2: Bad magic number in super-block while trying to open /dev/sda The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> Update : I was able to fix the NTFS partition running chkdsk off HBCD, but it seems that the superblock problem still remains. *Update 2: * Fixed superblock issue using e2fsck -c /dev/sda5

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• Acer aspire 5520 power light blinks no boot

  - by Shawn Mclean

  My laptop was working fine last night, I hibernated it and went to sleep. Got up, pressed the power button. The power light comes on for 4 seconds and the hdd light blinked a few times, then it turned off for a second then repeats the process. The only way to stop this process/power down is to remove the AC and take out the battery. It does not even reach a boot screen, nothing shows up on the screen, fan does not start. People on this forum has the same problem but they suggest to put the laptop in a oven and heat it (reflow). What could be the problem? Is there another solution other than a reflow? I dont feel like putting my motherboard in the oven.

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