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• Hostapd to connect laptop to Android

  - by Kmegamind

  i am trying to set up my laptop as an access point for my Android to use WiFi, so i knew that ubuntu sets the network as Ad-Hoc which is not discoverable by android, So i tried the method explained here -which i found on many other websites- but when i run hostapd.conf this error appears : nl80211: Failed to set interface wlan0 into AP mode nl80211 driver initialization failed. ELOOP: remaining socket: sock=4 eloop_data=0x8e488f8 user_data=0x8e48ea0 handler=0x807c5e0 ELOOP: remaining socket: sock=6 eloop_data=0x8e4aca8 user_data=(nil) handler=0x8086770 this is how my hostapd.conf looks like : interface=wlan0 driver=nl80211 ssid=Any_SSID_name hw_mode=g channel=1 macaddr_acl=0 auth_algs=1 ignore_broadcast_ssid=0 wpa=2 wpa_passphrase=Any_password wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP and this is my wireless card info : description: Wireless interface product: BCM43225 802.11b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 logical name: wlan0 version: 01 serial: 78:e4:00:73:51:f1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=brcmsmac driverversion=3.2.0-31-generic-pae firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:f0300000-f0303fff

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• Why can't mythtv backend see my HDHomeRun tuner?

  - by Jeff

  Ran a fresh install of Mythbuntu 12.04.1 32 bit. Went through the backend setup and was able to see my HDHomeRun Prime (HDHR3) device, scan, and detect channels. Cannot get to live TV on frontend. Backend log seems to indicate it's not detecting my tuner, even though I configured it in the setup. Sep 8 15:03:33 Dimension-8300 mythbackend[1668]: E TVRecEvent dtvmultiplex.cpp:325 (ParseTuningParams) DTVMux: ParseTuningParams -- Unknown tuner type = 0x2000 Sep 8 15:03:33 Dimension-8300 mythbackend[1668]: E TVRecEvent dtvchannel.cpp:308 (SetChannelByString) DTVChan(192.168.1.12-0): SetChannelByString(3_1): Failed to initialize multiplex options Sep 8 15:03:33 Dimension-8300 mythbackend[1668]: E TVRecEvent tv_rec.cpp:3681 (TuningFrequency) TVRec(1): Failed to set channel to 3_1. Reverting to kState_None

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• Summary: Cloud Computing

  - by A&C Redaktion

  Im deutschsprachigen Oracle Partner Deutschland Blog veröffentlicht Alliances & Channel Germany regelmäßig spannende Hintergrund-Artikel und tolle Videos. In unseren "Summaries" fassen wir die interessantesten Themen für Sie zusammen. Heute: Cloud Computing Das Thema Cloud ist in aller Munde - aber was ist das eigentlich, die Cloud? Die Antwort gibt es hier:  Angela Jacobsen erklärt die Cloud Mit Solaris 11 bringt Oracle das erste Betriebssystem für die Cloud auf den Markt: Wolkig und heiter Der Oracle Gold Partner esentri widmet sich als einer der ersten Partner in Deutschland mit großem Engagement der Aufgabe, die Kunden auf dem Weg zum Cloud Computing zu begleiten: esentri stellt sich der Herausforderung Enterprise 2.0

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• Reversi/Othello early-game evaluation function

  - by Vladislav Il'ushin

  I've written my own Reversi player, based on the MiniMax algorithm, with Alpha-Beta pruning, but in the first 10 moves my evaluation function is too slow. I need a good early-game evaluation function. I'm trying to do it with this matrix (corresponding to the board) which determines how favourable that square is to have: { 30, -25, 10, 5, 5, 10, -25, 30,}, {-25, -25, 1, 1, 1, 1, -25, -25,}, { 10, 1, 5, 2, 2, 5, 1, 10,}, { 5, 1, 2, 1, 1, 2, 1, 5,}, { 5, 1, 2, 1, 1, 2, 1, 5,}, { 10, 1, 5, 2, 2, 5, 1, 10,}, {-25, -25, 1, 1, 1, 1, -25, -25,}, { 30, -25, 10, 5, 5, 10, -25, 30,},}; But it doesn't work well. Have you even written an early-game evaluation function for Reversi?

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• Prosit Neujahr, auf ein schönes und erfolgreiches Jahr 2011!

  - by A&C Redaktion

  Wir hoffen, Sie sind gut im neuen Jahr angekommen und wünschen Ihnen für 2011 alles Gute, Gesundheit und natürlich ein erfolgreiches Geschäftsjahr!Hinter Oracle Alliances & Channels liegt ein Jahr voller Herausforderungen und wir freuen uns darauf, 2011 an die gute und vertrauensvolle Zusammenarbeit mit unseren Partnern anzuknüpfen. Im Januar starten wir gleich mit einem großen Partner-Event ins neue Jahr, demOPN Day Virtual am 24. Januar 2011Von 14 bis 17 Uhr dreht sich dort alles um die Spezialisierung: Von den ersten Schritten, über den Nutzen bis hin zu Erfahrungsberichten einzelner Partner wird das OPN Specialized von allen Seiten beleuchtet. Zum Fragenstellen laden die Q&A-Sessions ein, beliebt ist außerdem die Networking Lounge, in der sich Partner und Interessierte individuell austauschen und vernetzen können.Was sonst noch passiert, im Jahr 2011, das steht laufend aktualisiert im Oracle Channel Event Calender.

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• Black screen after select installing on a Dell Inspiron 14z

  - by Rodrigo

  I'm trying to do a dual boot on my Dell Inspiron 14z notebook, but I always get a black screen after selecting Install Ubuntu. I've tried to add nomodeset and acpi_osi="Linux" to the boot options, but it doesn't change anything. The hardware: 3rd Generation Intel® Core™ i7-3517U processor (4M Cache, up to 3.0 GHz) 8GB2 Dual Channel DDR3 SDRAM at 1600MHz 500GB 5400 RPM SATA HDD and 32GB mSATA SSD AMD Radeon HD7570M 1GB This question isn't duplicated. I've already tested all tips in the following question! My computer boots to a black screen, what options do I have to fix it?

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• how to launch grub menu for ubuntu guests in virtualbox?

  - by Ubuntuser

  I have ubuntu 12.04 alpha installed in virtualbox. When the virtual machine is started, it boots directly to the login screen without showing the grub menu. How can I get the grub menu to show up on start? Please note: the graphics is broken after recent updates, so i cannot login and make the changes. it is stuck at the screen "Ubuntu is running on low graphics mode" and the mouse and other keys do not work. [URL=http://img862.imageshack.us/i/screenshotat20120127171.png/][IMG]http://img862.imageshack.us/img862/9783/screenshotat20120127171.th.png[/IMG][/URL]

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• Are your merchandise systems limiting growth? Oracle Retail's Merchandise Operations Management could be the answer

  - by user801960

  In this video, Lara Livgard, Director of Oracle Retail Strategy, introduces Oracle Retail Merchandise Operations Management (MOM), a set of integrated, modular solutions that support buying, pricing, inventory management and inventory valuation across a retailer’s channels, countries, and business models. MOM is the backbone of successful retail operations, providing timely and accurate visibility across the entire enterprise and enabling efficient supply-chain execution driven by plans and forecasts. It's modular architecture facilitates tailored and high-value implementations, giving retailers the information they need in order to offer a quality customer experience through a truly integrated multi-channel approach. Further information is available on the Oracle Retail website regarding Merchandise Operations Management.

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• How to download streaming video from a flash player (arte)?

  - by wim

  there are a couple of concerts that I would very much like to view from Arte (I think it's a french TV channel?) but my connection is not good enough to stream the video. How can I download the file to play it locally? Here is an example link: http://www.my-jazzlive.tv/?p=1862 I have tried popular browser plugins such as DownloadHelper and Flash Video Downloader, these are working fine for me on sites such as youtube but they don't seem to recognise any stream from the Arte video player. I also looked through /tmp for something that looks like a partially downloaded video, but no luck.

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• Java EE 6 and Maven 3 using CLI

  - by arungupta

  NetBeans and Eclipse provide tools, templates, wizards and code generators for building a Java EE 6 application. They both also allow a Java EE 6 Maven project to be created. In his recent screencast, Adam Bien explained how a Java EE 6 project can be easily created at command-line using Maven 3. The screencast walks through the process of creating the project using command-line. The created project has no dependency on NetBeans and GlassFish but can still be opened in NetBeans and deployed on GlassFish. A complete list of Adam's screencasts are available here. Tons of similar videos are also available on GlassFishVideos channel.

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• Silverlight 4 Training Course

  - by guybarrette

  A Silverlight 4 training course is now available on Channel 9.  Here’s the course description: The Silverlight 4 Training Course includes a whitepaper explaining all of the new Silverlight 4 RC features, several hands-on-labs that explain the features, and a 8 unit course for building business applications with Silverlight 4. The business applications course includes 8 modules with extensive hands on labs as well as 25 accompanying videos that walk you through key aspects of building a business application with Silverlight. Key aspects in this course are working with numerous sandboxed and elevated out of browser features, the new RichTextBox control, implicit styling, webcam, drag and drop, multi touch, validation, authentication, MEF, WCF RIA Services, right mouse click, and much more! You can download it here var addthis_pub="guybarrette";

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• Silverlight 4 Training Course

  A Silverlight 4 training course is now available on Channel 9.  Heres the course description: The Silverlight 4 Training Course includes a whitepaper explaining all of the new Silverlight 4 RC features, several hands-on-labs that explain the features, and a 8 unit course for building business applications with Silverlight 4. The business applications course includes 8 modules with extensive hands on labs as well as 25 accompanying videos that walk you through key aspects of building a business...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 can I convert an image from raw data in Android without any munging?

  - by stephelton

  I have raw image data (may be .png, .jpg, ...) and I want it converted in Android without changing its pixel depth (bpp). In particular, when I load a grayscale (8 bpp) image that I want to use as alpha (glTexImage() with GL_ALPHA), it converts it to 16 bpp (presumably 5_6_5). While I do have a plan B (actually, I'm probably on plan 'E' by now, this is really becoming annoying) I would really like to discover an easy way to do this using what is readily available in the API. So far, I'm using BitmapFactory.decodeByteArray(). While I'm at it. I'm doing this from a native environment via JNI (passing the buffer in from C, and a new buffer back to C from Java). Any portable solution in C/C++ would be preferable, but I don't want to introduce anything that might break in future versions of Android, etc.

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• Vector.Unproject - Checking if a model intersects a large sprite

  - by Fibericon

  Let's say I have a sprite, drawn like this: spriteBatch.Draw(levelCannons[i].texture, levelCannons[i].position, null, alpha, levelCannons[i].rotation, Vector2.Zero, scale, SpriteEffects.None, 0); Picture levelCannon as being a laser beam that goes across the entire screen. I need to see if my 3d model intersects with the screen space inhabited by the sprite. I managed to dig up Vector.Unproject, but that seems to only be useful when dealing with a single point in 2d space, rather than an area. What can I do in my case?

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• WIFI card intel r 2200 will not work

  - by Telemarkhero

  I have installed 12.04 on a Fujitsu Siemens Amilo Pro. Wifi card does not work. Have tried various threads but none have the same problem. Think I have the correct firmware but the following comes up: gill@ubuntu:~$ iwconfig lo no wireless extensions. eth1 IEEE 802.11bg ESSID:off/any Mode:Managed Channel:0 Access Point: Not-Associated Bit Rate:0 kb/s Tx-Power=off Sensitivity=8/0 Retry limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 eth0 no wireless extensions. Also gill@ubuntu:~$ rfkill list all 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes There is a power switch for wifi but it does not do anything in Ubuntu. Any pointers greatfully received.

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• Why distance field text rendering have clear outline?

  - by jinhwan

  http://www.valvesoftware.com/publications/2007/SIGGRAPH2007_AlphaTestedMagnification.pdf All the process for doing distance rendering is clear, but 'how does it work' is not clear for me. It looks like that distance field pixels which are created around original pixel may affect 2d texture sampling interpolation process. But I can't understand the interpolation process. I've read that the distance field rendering is processed under nearest-neighbour interpolation. If it is true, shouldn't the distance field redering creates non interpolated result? In my thought, they should looks liked retro style pixel art. Where do i misunderstand in this process? So far, It is no difference with alpha test for me. Both of them throw away all pixcel which are not in. How does extra distance field pixel affect rendering under nearest-neighbour interpolation?

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• Mercury and Sound Waves [Video]

  - by Jason Fitzpatrick

  In this video a tone generator is used to shoot specific frequencies through a large drop of mercury which results in a wide array of unique shapes and patterns created by standing waves–but really, you need to see it to appreciate it. The experiment, put together by Nick Moore, combines a glass dish, a drop of mercury, and a old tone generator to demonstrate standing waves in 3D. Check out the video above to see the experiment in full speed or hit up his YouTube channel to see a remix with music (and other cool science experiment videos). Mercury Hz [via Mental_Floss] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• No Grapical log in or anything just terminal code!!

  - by Jonthue

  I just install the unity alpha state 3, and i came across two errors, one stating it could not install a desktop feature or so and the other just had some errors that i had snap shot the error. When it says it was complete I restarted it and after it booted up, i see a long line of boot codes and then it stop with log in name and the after i put my log in name it ask for a password, but the thing is that their was no graphical lil window having my picture and my name, all I see was codes from terminal even after it admitted me in. Black screen white coding like it was a terminal on full screen only every thing was via terminal!!! HELP!!!!

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• Rendering transparent textures in directX

  - by Vibhore Tanwer

  I am working with a directX application with WPF, I am facing a problem with videos and images that contains transparent pixels, I have to draw a color in background an then a video/image over it. What I expect is background color should be visible while playing video only non transparent pixels should be visible but what I get is a black background behind the video. I am using following settings on device to achieve alpha blending : device.RenderState.SourceBlend = Blend.SourceAlpha; device.RenderState.DestinationBlend = Blend.InvSourceAlpha; device.RenderState.AlphaBlendEnable = true; What am I missing here? What is the best approach to handle transparent videos? Any help will be of great value to me.

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• P-Commerce – What The Heck Is That?

  - by Michael Hylton

  We’ve heard of e-commerce, m-commerce (Mobile Commerce), and f-commerce (Facebook Commerce) but what is p-commerce?  It’s not truly a customer touchpoint or channel but the emphasis on personalization of the buying experience. Ask yourself how well do you know your customer?  Are you able to take what you know about them and apply it to their commerce activity with you and personalize the shopping experience? Much of this is dictated by have a complete 360 degree view of your customer, collecting data from your website, sales interactions, historical commerce purchases, call center activity, how they got to your website, etc. and applying it to their current commerce interaction.  Customers expect to have a similar interaction on your website as they would in your brick-and-mortar store, displaying the products and services that they might be interested in purchasing.

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• Why won't videos on a particular website play under Ubuntu 13.04?

  - by Sadi

  Very oddly, I cannot watch any videos a TV channel website, for example this one: http://www.kanald.com.tr/GalipDervis/Videolar/ I can see from the frame source that it contains an embedded Adobe Flash video and some Java scripts (all of which don't pose any problems elsewhere). I've tried different web browsers (Chrome/Chromium/Firefox), but it seems I have some sort of video codec problem in my system. I have installed all sorts of gstreamer plugins, codecs, etc. (maybe too many?) to avoid such problems, but strangely I can watch these videos using Linux Mint 15 Live Session on the same machine. I wonder how I can find out why a particular video (like this one) won't work on my system?

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• How can I restart compiz from tty? (& Related, how can I set up a fallback WM?)

  - by Jon

  So I'm testing Natty, and Compiz keeps crashing on me. I expect this sort of thing from alpha software, of course, but it doesn't always give me the option to restart compiz, and for some reason doesn't have a fallback WM configured. Without a window manager, all my programs are still running, but they're not accepting input from the keyboard, and I can't switch between them. I can, however, press Ctrl+Alt+F1 and get a terminal, and I can killall Xorg to reset everything, but I'd rather just reset compiz if possible. If I try typing compiz --replace there in the tty, it complains "fatal--couldn't open display." Is there a way to have tty1 restart compiz? Like compiz --replace --display=something? Additionally, is there a way to configure a fallback window manager so that there's an easier way to recover from compiz crashing?

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• 5.1 surround sound for 12.04

  - by iwhorl

  I am very new to Ubuntu and linux as I have used windows only until yesterday. I am attempting to send my audio signal to my pioneer reciever using a single digital optical cable which is plugged into my M2N Sli Deluxe motherboard. I am sending video with a Geforce 8600gt video card through HDMI. That card does not support audio through HDMI. The only thing I have got to work so far is my left channel speaker acts as a stereo left and my sub woofer is trying to act as a stereo right. I was able to achieve this through altering the alsamixer settings. Can anyone point me in the right direction on this?

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• Free Training - Building Silverlight Business Applications

  We recently released a new free Silverlight 4 training kit that walks you through building business applications with Silverlight 4. You can also download the entire offline version of the kite here.  You can use the 8 modules, 25 videos, and several hands on labs online or offline from links on the Channel 9 site. Ive included a breakdown and links to all of the content here in this post. The key to this training material is not the features it covers (though it covers a variety of topics including...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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• Oracle Linux 6.3 RPMs Now Available

  - by Sergio

  The installation media ISO for Oracle Linux 6.3 is still "in the oven" but the RPMs are already available.  You can grab them on ULN, if you have an Oracle Linux support subscription, or anyone can get them from public-yum.oracle.com.  Oracle Linux 6.3 includes a quarterly update of Unbreakable Enterprise Kernel Release 2 (kernel-uek-2.6.39-200.9.0.el6uek).  To install that kernel, make sure you have the ol6_UEK_latest channel or repo enabled.  Enjoy.

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