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  • Key Features of the Samsung SCX 5835FN

    The SCX 5835FN is just one in a long line of exceptional multifunction printers from Samung. Featuring some of the most advanced technology you';ll find on any modern printer, this all-inclusive devic... [Author: Derek Rogers - Computers and Internet - May 23, 2010]

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  • Poll: What Are Your Favorite Silverlight TV Episodes?

    Its been 3 months since Silverlight TV first aired in mid January. Weve aired a variety of topics (from design centric to hardcore developer code to awesome demos) and a variety of guests (who can forget Ward Bell is his white fur jacket?). So far, our audience has watched our episodes for well over 600,000 views! Thank you! As we revisit the lineup and start scheduling the next series of shows, Id like to do a quick poll on what your favorite 3 episodes have been. So please click on this link...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Samsung NC10 Broadcom difficulties

    - by simonp
    I am new to Ubuntu/Linux and am stuck already! Any help much appreciated. I have managed to install Ubuntu Maverick 10.10 (from a USB flash drive) on my NC10 which also has Windows 7 on the partitioned drive. But the wireless internet is not working. I have identified the hardware as a Broadcom BCM4313. I have also managed to find that the correct driver is installed (Modaliases for Broadcom 802.11 Linux STA driver). I have followed advice from elsewhere and there does not seem to be any competition from other drivers. I am now stuck and do not have any other internet access on this netbook. Any ideas?

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  • Ask the Experts on Silverlight TV

    Thanks to all of you Silverlight TV has really taken off. Were working hard to keep bringing in top, fresh and new content from great presenters. I think youll like what we have in store for the upcoming schedule! One new features for the show is Ask the Experts. During each show I will ask the guest one of your questions! Well be alerting everyone via Twitter about our speaker lineup in advance so you can send your questions to us. Just send your questions to us on Twitter at @SilverlightTV or...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to implement smart card authentication with a .NET Fat client?

    - by John Nevermore
    I know very little about smart card authentication in general so please point out or correct me if anything below doesn't make sense. Lets say i have: A Certificate Authority "X"-s smart card (non-exportable private key) Drivers for that smart card written in C A smart card reader CA-s authentication OCSP web service A requirement to implement user authentication in a .NET fat client application via a smart card, that was given out by the CA "X". I tried searching info on the web but no prevail. What would the steps be ? My first thought was: Set up a web service, that would allow saving of (for example) scores of a ping pong game for each user. Each time someone tries to submit a score via the client application, he can only do so by inserting the smart card into the reader. Then the public key is read from the smart card by native c calls through .NET and sent to my custom web service, which in return uses the CA-s authentication OCSP web service to prove the validity of the public key/public certificate (?). If the public key is okay and valid, encrypt a random sequence of bytes with the public key and send it to the client application. If the client application sends back the correctly decrypted random sequence of bytes along with the score of the ping pong game, then the score is saved in the database for the given user. My question is, is this the correct way to do it ? What else should i know about smart card authentication ?

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  • Installing Ubuntu on an Asus Vivotab Smart Windows 8 32-bit processor tablet

    - by Ikenna
    Good day, I just got an Asus Vivotab Smart with Windows 8 but the processor is actually a 32-bit type. I am kinda confused with the Ubuntu version to install (32-bit or 64-bit). I have read all the tips and guidelines on installing Ubuntu on a Windows 8 machine. I have disabled fast boot, quiet boot, secure boot, and still cannot boot from the usb. I tried this with Ubuntu 12.04.2, 12.10, and 13.04 (the 64-bit versions only). I am yet to try a 32-bit version but I'm reluctant since Canonical says only the 64-bit version was developed to handle the Windows 8 UEFI issues. Also, I have a boot-override field in my UEFI options which I think force-boots from the boot option one selects. I selected to force-boot from my pendrive containing Ubuntu, but the screen just blinks momentarily and nothing happens. Please help me to figure out how to load ubuntu on my machine. I don't really want the Windows 8......just Ubuntu on my tablet. Thank you.

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  • Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images

    - by Eric Z Goodnight
    You’ve seen it over and over. The FBI uses their advanced technology to “enhance” a blurry image, and find a villain’s face in the worst possible footage. Well, How-To Geek is calling their bluff. Read on to see why. It’s one of the most common tropes in television and movies, but is there any possibility a government agency could really have the technology to find faces where there are only blurry pixels? We’ll make the argument that not only is it impossible with current technology, but it is very unlikely to ever be a technology we’ll ever see. Stick around to see us put this trope under the lenses of science and technology, and prove it wrong once and for all Latest Features How-To Geek ETC Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop A History of Vintage Transformers: Decepticons Edition [Infographic] How to Determine What Kind of Comment to Leave on Facebook [Humorous Flow Chart] View the Cars of Tomorrow Through the Eyes of the Past [Historical Video] Add Romance to Your Desktop with These Two Valentine’s Day Themes for Windows 7 Gmail’s Priority Inbox Now Available for Mobile Web Browsers Touchpad Blocker Locks Down Your Touchpad While Typing

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  • Netbook (Samsung N220) on Ubuntu 10.04 slows down WiFi for other computers

    - by Joachim
    I encountered a really odd problem with my new netbook. I am running Ubuntu 10.04 on a Samsung N220 Mito. So far everything worked fine. Now I tried the machine for the first time in our work group where we have a wifi (with internet access) for all laptops. The wifi is controlled by a computer running Suse 9.3 which provides a DHCP server and imposes a firewall. At the moment there is only a macbook in the wifi, where no problems with the internet or wifi connection are encountered. Now coming to my actual problem: In addition to the macbook i connect the Samsung N220 to the Wifi. Problem: My download speed is for some reason limited to 70KB/s max. This is neither a limitation of the server/website i browse on, nor a configuration of the netbook: at home i have 500KB/s download speeds. Furthermore, it is not a default limitation for "untrusted" or "new machines" in the wifi, as for instance other new laptops get full speed internet with our wifi. Problem: Once the Samsung N220 is generating traffic in the wifi, the wifi is slowed down dramatically for all other machines: I run a ping to the router from the macbook. The ping times with the N220 ideling are 2-6ms. When I start downloading or browsing in the web with the N220 the ping speed drops to 800ms. Vice versa, when the macbook is generating the traffic the ping of the N220 to the rooter stays constant at around 2-6ms. So clearly, it is some problem originating from my netbook or maybe its treatment in the wifi. Thanks for any help

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  • Mac Mini drive problems but SMART verified: bad hard drive or controller?

    - by Zac Thompson
    I have a 3-year-old Intel Mac Mini at home. About a month ago, it stopped booting from the hard drive (internal, SATA, 80GB). I tried booting from the Install Disc to repair the filesystem but Disk Utility was unable to do so ("invalid node structure"). I was also unable to use the hard drive in the Terminal from the Install Disc nor from an Ubuntu boot CD ("DRDY err"). I could see the contents of some directories, but others would give an error and I would get failures when trying to copy files. At this point I was sure the filesystem was hosed and I'd want to reformat at least. DiskWarrior was able to let me retrieve the data files I was interested in, which are now copied to an external hard drive, but it reported a high number of problems ("speed reduced by disk malfunction" count was over 2000) when in the process of trying to rebuild the directory for the drive. It also would not let me use the rebuilt directory to replace the one on the drive; it claimed the disk errors prevented recovery in this way. Under normal circumstances I would now assume that the drive itself was going bad: DiskWarrior's "disk malfunction" error above is supposed to imply hardware problems. My initial plan was to buy a replacement for the internal 2.5" drive. However: Disk Utility, command-line tools and DiskWarrior had reported all along that the SMART status of the drive was okay/Verified. So I'm now worried that the drive hardware is actually fine, and that the problems were due to a disk controller that has gone "bad" somehow. If this is the case, I'll probably just replace the whole computer. Any advice on how I can tell what is to blame? I don't have a lot of extra hardware sitting around, so I don't have the option of simply dropping the drive in another machine or popping another hard drive inside the Mini.

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  • Notebook overheating

    - by user71372
    I'm asking this question because I've tried many tips to solve they don't work and it sounds like a non-fixed bug ubuntu. My problem is with overheating. I've recently installed Ubuntu Precise 12.04 LTS alongside with MS Windows 7 on my notebook Samsung 530U. I'm using both via dual-boot mode. I've no heating problem with MS Win 7 and the fan speed is normal even with long run utilization. However, when booting with Ubuntu and after short time, the PC got very hot and the fan was running at max speed. I installed a tool called Jupiter, I put it in "Power Saving" mode but no result. Now, I avoid using ubuntu because I fear it'll damage my all new notebook. Please can you give me a "FINAL" fix of this problem (lot of answers exist but I don't know the more accurate and efficient one). Thank you in advance.

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  • System doesn't boot when ubuntu is installed on an SSD

    - by Caetano Nichnich Nunes
    I've recently discovered Ubuntu and decided to give it a try. I am using a Samsung Series 5 p530u3c-ad1 which comes with a 24gb SSD and a ~500gb HDD, My intention is to set the system files to the ssd and the rest to the HDD. The system works fine if I do a direct install using only the HDD, but if I try using the SSD for the system files the computer doesn't boot-up, I do not know if the SSD is being recognized by the computer, I think so because I could install Ubuntu on it, but it doesn't appear on the boot order or the boot menu. I read some posts and tried using boot-repair which pointed me not to forget to set my system to boot from my SSD, unfortunately I cannot because of the issues mentioned above. Thanks for your time.

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  • Elantech trackpad being identified as a logitech wheel mouse

    - by user11895
    I recently purchased a Samsung RF510 laptop computer, which I absolutely love. However, upon installing Ubuntu 10.10 onto it I couldn't get the trackpad to function properly. It worked as a basic mouse (point and click) but had no functionality for edge scrolling or any of the multitouch settings the trackpad is capable of. After doing a lot of research I discovered the reason is a known issue where the Ubuntu kernel will improperly detect an Elantech trackpad as a logitech PS/2 wheel mouse, and as such will gain none of the functionality that seems to be coded for synaptics trackpads. The question I have is: does anyone know a way to get this working properly? This is my first time trying to run Ubuntu on a laptop (actually, it's my first laptop in the last 12 years) and I'm finding the experience to be intolerable without the basic scrolling/zooming/etc I've been used to using for as long as I can remember.

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  • Constant noise in speakers and headphones

    - by user103978
    On my laptop, Samsung 300V5A-S19 I have the constant noise from the speakers. If I wear headphones, the sound becomes more pronounced (at half volume it mutes the music). The noise level is independent of the volume control. The noise disappears only when volume is completely muted. For the record, the sound is reminiscent of the noise of the waves or something like that. System information: Ubuntu 12.10, kernel 3.5.0-18 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) All packages in the system updated. PS: Following the advice from this message (click) yielded no result.

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  • How to increase fast-forward/rewind on Vista Media Center recorded TV shows?

    - by jtimberman
    How do I granularly increase the various fast-forward/rewind speed/rate for each of the speed settings for skipping through commercials? The current defaults go from barely faster than playback, too fast for unexpectedly short commercials, to omfg its so fast I can't see what is happening. Do people suffer with these defaults, or is there some better setting in the registry, or elsewhere?

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  • Is there a way to stream wirelessly from a laptop to a TV?

    - by Robsta
    I heard of such a thing like a box or a media player such thing that can connect wirelessly to stream movies from my laptop? Is there such a thing that can do it? How is the latency on it? I have fast internet so that's not an issue, or is there such a box that connects with Bluetooth for better connection? I need these box to also be able to browse the internet because I'd like to stream movies from YouTube. I have heard of a thing called boxee, but is that what I'm looking for? I have windows 7 as my os, with an HDMI out and a GPU with a 555m. My laptop is powerful enough and my internet is 25mbps with a cap of 150GB. All i would really like to know is what this device is called? A media box?

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  • Why Windows Media Center (Vista 32-bit) unable to record TV Series?

    - by Alex R
    I can record individual shows just fine, but trying to setup the recording of a Series throws an error (something like, "unable to schedule, try restarting Media Center", pops up in the bottom right of the screen). Trying to access the "Other Showings" menu causes Media Center to crash ("check for a solution online" dialog comes up). The machine is a fresh reinstall of 32-bit Windows Vista from the HP recovery CDs, plus all Microsoft updates and service packs. Hardware: HP s3220n, AMD X2 5000+, 2GB RAM, 300GB free space on disk. Media Center came bundled. The "Media Center update for Vista" failed to install (it says, not appropriate for my computer). Any ideas? Thanks

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  • Oracle Social Network and the Flying Monkey Smart Target

    - by kellsey.ruppel
    Originally posted by Jake Kuramoto on The Apps Lab blog. I teased this before OpenWorld, and for those of you who didn’t make it to the show or didn’t come by the Office Hours to take the Oracle Social Network Technical Tour Noel (@noelportugal) ran, I give you the Flying Monkey Smart Target. In brief, Noel built a target, about two feet tall, which when struck, played monkey sounds and posted a comment to an Oracle Social Network Conversation, all controlled by a Raspberry Pi. He also connected a Dropcam to record the winner just prior to the strike. I’m not sure how it all works, but maybe Noel can post the technical specifics. Here’s Noel describing the Challenge, the Target and a few other tidbit in an interview with Friend of the ‘Lab, Bob Rhubart (@brhubart). The monkey target bits are 2:12-2:54 if you’re into brevity, but watch the whole thing. Here are some screen grabs from the Oracle Social Network Conversation, including the Conversation itself, where you can see all the strikes documented, the picture captured, and the annotation capabilities: #gallery-1 { margin: auto;? } #gallery-1 .gallery-item { float: left; margin-top: 10px; text-align: center; width: 33%; } #gallery-1 img { border: 2px solid #cfcfcf; } #gallery-1 .gallery-caption { margin-left: 0; }    That’s Diego in one shot, looking very focused, and Ernst in the other, who kindly annotated himself, two of the development team members. You might have seen them in the Oracle Social Network Hands-On Lab during the show. There’s a trend here. Not by accident, fun stuff like this has becoming our calling card, e.g. the Kscope 12 WebCenter Rock ‘em Sock ‘em Robots. Not only are these entertaining demonstrations, but they showcase what’s possible with RESTful APIs and get developers noodling on how easy it is to connect real objects to cloud services to fix pain points. I spoke to some great folks from the City of Atlanta about extending the concepts of the flying monkey target to physical asset monitoring. Just take an internet-connected camera with REST APIs like the Dropcam, wire it up to Oracle Social Netwok, and you can hack together a monitoring device for a datacenter or a warehouse. Sure, it’s easier said than done, but we’re a lot closer to that reality than we were even two years ago. Another noteworthy bit from Noel’s interview, beginning at 2:55, is the evolution of social developer. Speaking of, make sure to check out the Oracle Social Developer Community. Look for more on the social developer in the coming months. Noel has become quite the Raspberry Pi evangelist, and why not, it’s a great tool, a low-power Linux machine, cheap ($35!) and highly extensible, perfect for makers and students alike. He attended a meetup on Saturday before OpenWorld, and during the show, I heard him evangelizing the Pi and its capabilities to many people. There is some fantastic innovation forming in that ecosystem, much of it with Java. The OTN gang raffled off five Pis, and I expect to see lots of great stuff in the very near future. Stay tuned this week for posts on all our Challenge entrants. There’s some great innovation you won’t want to miss. Find the comments. Update: I forgot to mention that Noel used Twilio, one of his favorite services, during the show to send out Challenge updates and information to all the contestants.

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  • C++ destructor problem with boost::scoped_ptr

    - by bb-generation
    I have a question about the following code: #include <iostream> #include <boost/scoped_ptr.hpp> class Interface { }; class A : public Interface { public: A() { std::cout << "A()" << std::endl; } virtual ~A() { std::cout << "~A()" << std::endl; } }; Interface* get_a() { A* a = new A; return a; } int main() { { std::cout << "1" << std::endl; boost::scoped_ptr<Interface> x(get_a()); std::cout << "2" << std::endl; } std::cout << "3" << std::endl; } It creates the following output: 1 A() 2 3 As you can see, it doesn't call the destructor of A. The only way I see to get the destructor of A being called, is to add a destructor for the Interface class like this: virtual ~Interface() { } But I really want to avoid any Implementation in my Interface class and virtual ~Interface() = 0; doesn't work (produces some linker errors complaining about a non existing implementation of ~Interface(). So my question is: What do I have to change in order to make the destructor being called, but (if possible) leave the Interface as an Interface (only abstract methods).

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  • How to include only BOOST smart pointer codes into a project?

    - by afriza
    What are best practices to include boost smart pointer library only without adding all boost libraries into the project? I only want boost smart pointer library in my project and I don't want to check in/commit 200 MB source codes (boost 1.42.0) into my project repository just for that. What more, my windows mobile project itself doesn't even reach 10% of that size!

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  • Best way to build a SMART mySQL & PHP search engine?

    - by Kyle R
    What is the best way to build a mySQL & PHP search? I am currently using things like %term% I want it to be able to find the result even if they spell it slightly wrong, for example: Field value = "One: Stop Shop: They search: One Shop Stop OR One Stop Shop Etc.. I want a really smart search so they find the information even if they don't search the exact thing. What is the best way to build a smart search like this?

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  • Samsung printer (ML-1640) margin problem

    - by Rytis
    I just got a new laser printer, Samsung ML-1640, and it has once again confirmed my experience that Samsung printers suck badly. The printer prints fine, except that the top margin is set at random, usually very small, cutting text on the top of page off. I tried updating firmware, getting new drivers, but nothing helped. I tried changing paper types, and it seemed that with the paper set as "plain" it was OK, but I just tried printing again after letting the printer rest for the night, and wasted 6 pages until I managed to print 2 boarding passes... Is there anything else I could try to resolve the issue?

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  • Increase performance of Samsung 830 256GB SSD

    - by Robert Koritnik
    I have a Samsung 830 SSD in my notebook connected to a SATA interface. This is a rather old HP notebook nc8430 which means SATA is SATA I and not II or even III that disk supports. But SATA I still supports speeds up to 150MB/s so I expected at least double values as per image below. CrystalDiskMark shows rather slow performance: I've been using this SSD for over a year now and I would like to know what to do to make it blazingly fast as other reports say it should be? Edit As suggested I'm adding AS SSD screenshot of the test. And Samsung Magician's benchmark which is likely biased...

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  • Driver proboems for SH-S203N Samsung DVD drive

    - by dircowander
    My father jsut bought me a dvd burner Samsung SH-S202N OEM and installed it into my computer. The drive seems to be able to burn media fine. But when it comes to reading dvd's, audio cd's, it just skips. It can read them it is just skipping so badly to the point where the dvd's are unwatchable and cd's skip rather bad. I am looking for the latest firmware or driver for the Samsung SH-S202N OEM. Any advice? Thanks in advance. :)

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  • Trying to get MythTV working in Kubuntu 10.10

    - by user4109
    I'm trying to get MythTV working in Kubuntu. Unfortunately I've got the following problem: If I fire up the MythTV Frontend and select "Watch TV" a "Please wait..." label appears and after a while the screen falls back to the home screen. tail -f /var/log/mythtv/mythfrontend.log prints out the following: 2010-10-14 19:22:18.809 MythContext: Connecting to backend server: 127.0.0.1:6543 (try 1 of 1) 2010-10-14 19:22:18.811 Using protocol version 23056 2010-10-14 19:22:22.641 TV: Attempting to change from None to WatchingLiveTV 2010-10-14 19:22:22.641 MythContext: Connecting to backend server: 127.0.0.1:6543 (try 1 of 1) 2010-10-14 19:22:22.642 Using protocol version 23056 2010-10-14 19:22:22.715 Spawning LiveTV Recorder -- begin 2010-10-14 19:22:26.563 Spawning LiveTV Recorder -- end 2010-10-14 19:22:26.565 ProgramInfo(): Updated pathname '':'' -> '1005_20101014192226.mpg' 2010-10-14 19:22:26.569 We have a playbackURL(/var/lib/mythtv/livetv/1005_20101014192226.mpg) & cardtype(MPEG) 2010-10-14 19:22:33.070 RingBuf(/var/lib/mythtv/livetv/1005_20101014192226.mpg): Invalid file (fd -1) when opening '/var/lib/mythtv/livetv/1005_20101014192226.mpg'. 2010-10-14 19:22:33.072 We have a RingBuffer Then there is a whole bunch of those... 2010-10-14 19:22:33.186 RingBuf(/var/lib/mythtv/livetv/1005_20101014192226.mpg) error: Invalid file descriptor in 'safe_read()' ... before it falls back to the main menu. I've got a MSI TV@Anywhere Plus Tuner Card (Philips Semiconductors SAA7131/SAA7133/SAA7135 Video Broadcast Decoder). Any idea what could be the problem?

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