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  • SQL Developer: Describe versus Ctrl+Click to Open Database Objects

    - by thatjeffsmith
    In yesterday’s post I talked about you could use SQL Developer’s Describe (SHIFT+F4) to open a PL/SQL Package at your cursor. You might get an error if you try to describe this… If you actually try to describe the package as you see it in the above screenshot, you’ll get an error: Doh! I neglected to say in yesterday’s post that I was highlighting the package name before I hit SHIFT+F4. This works just fine, but it will work even better in our next release as we’ve fixed this issue. Until then, you can also try the Ctrl+Hover with your mouse. For PL/SQL calls you can open the source immediately based on what you’re hovering over with your mouse cursor. You could try this with “dbms_output.put_line(” too Ctrl+Click, It’s not just for PL/SQL If you don’t like the floating describe windows you get when you do a SHIFT+F4 on a database object, the ctrl+click will work too. Instead of opening a normal ‘hover’ panel, you’ll be taken directly to the object editor for that table, view, etc. Go ahead and try it right now. Paste this into your worksheet, then ctrl+click with your mouse over the table name: select * from scott.emp And now you know, the rest of the story.

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  • Adding dynamic business logic/business process checks to a system

    - by Jordan Reiter
    I'm wondering if there is a good extant pattern (language here is Python/Django but also interested on the more abstract level) for creating a business logic layer that can be created without coding. For example, suppose that a house rental should only be available during a specific time. A coder might create the following class: from bizlogic import rules, LogicRule from orders.models import Order class BeachHouseAvailable(LogicRule): def check(self, reservation): house = reservation.house_reserved if not (house.earliest_available < reservation.starts < house.latest_available ) raise RuleViolationWhen("Beach house is available only between %s and %s" % (house.earliest_available, house.latest_available)) return True rules.add(Order, BeachHouseAvailable, name="BeachHouse Available") This is fine, but I don't want to have to code something like this each time a new rule is needed. I'd like to create something dynamic, ideally something that can be stored in a database. The thing is, it would have to be flexible enough to encompass a wide variety of rules: avoiding duplicates/overlaps (to continue the example "You already have a reservation for this time/location") logic rules ("You can't rent a house to yourself", "This house is in a different place from your chosen destination") sanity tests ("You've set a rental price that's 10x the normal rate. Are you sure this is the right price?" Things like that. Before I recreate the wheel, I'm wondering if there are already methods out there for doing something like this.

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  • Resetting Update Manager

    - by Emre
    How can I fix Update Manager in 12.04, which hangs when I try to install any update, while sudo apt-get upgrade works fine? I suspect it has something to do with my python installation. This is the error message: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 475, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1622, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1696, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 475, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1622, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1696, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 473, in _inline_callbacks result = gen.throw(result.type, result.value, result.traceback) File "/usr/lib/python2.7/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py", line 52, in commit downgrade, defer=True) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1

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  • Running ADF Essentials in Tomcat

    - by Rodrigues, Raphael
    Oracle released a few days ago ADF Essentials, which is a free version of its Oracle ADF Framework. Oracle ADF Essentials can run on the Glassfish Application Server, well explained by Shay here  . Glassfish is also certified to run ADF Essentials Application. However, It could be possible to run ADF Essentials Applications in a Java EE Container. So, I’ll describe the steps to run the ADF Faces Rich Client demo application into a Tomcat 7. Before we start, you should download the files: • Apache Tomcat 7 : http://tomcat.apache.org/download-70.cgi • Oracle ADF Essentials 11.1.2.3 : http://www.oracle.com/technetwork/developer-tools/adf/downloads/index.html • Oracle ADF Faces Components Demo 11.1.2.3: http://www.oracle.com/technetwork/developer-tools/adf/downloads/index.html Steps: 1. Extract your tomcat 7. In my case, I choose D:\ apache-tomcat-7.0.29 2. Extract ADF Essentials zip file inside the %TOMCAT_HOME%\lib 3. Put the rcf-dvt-demo.war file inside the %TOMCAT_HOME%\webapps 4. Open the file %TOMCAT_HOME%\bin\catalina.bat (or .sh if you’re in linux environment) and add in the end of the line ‘set JAVA_OPTS=%JAVA_OPTS% %LOGGING_CONFIG%’ this -Xms1024m -Xmx1024m If you don’t do this, probably when you start you’ll see a OutOfMemory error. 5. Here is the little trick, tomcat does not come with jsf jar’s, so you have to put there. So, I went to the Oracle Jdeveloper 11.1.2 instalation and search for this files: • jsf-api.jar • jsf-impl.jar • glassfish.jstl_1.2.0.1.jar 6. You’re ready to start tomcat in %TOMCAT_HOME%\bin\startup.bat If everything is fine, you will be able to open your favourite browser and type http://localhost:8080/rcf-dvt-demo/faces/index.jspx

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  • SQL SERVER – T-SQL Scripts to Find Maximum between Two Numbers

    - by pinaldave
    There are plenty of the things life one can make it simple. I really believe in the same. I was yesterday traveling for community related activity. On airport while returning I met a SQL Enthusiast. He asked me if there is any simple way to find maximum between two numbers in the SQL Server. I asked him back that what he really mean by Simple Way and requested him to demonstrate his code for finding maximum between two numbers. Here is his code: DECLARE @Value1 DECIMAL(5,2) = 9.22 DECLARE @Value2 DECIMAL(5,2) = 8.34 SELECT (0.5 * ((@Value1 + @Value2) + ABS(@Value1 - @Value2))) AS MaxColumn GO I thought his logic was accurate but the same script can be written another way. I quickly wrote following code for him and which worked just fine for him. Here is my code: DECLARE @Value1 DECIMAL(5,2) = 9.22 DECLARE @Value2 DECIMAL(5,2) = 8.34 SELECT CASE WHEN @Value1 > @Value2 THEN @Value1 ELSE @Value2 END AS MaxColumn GO He agreed that my code is much simpler but as per him there is some problem with my code which apparently he does not remember at this time. There are cases when his code will give accurate values and my code will not. I think his comment has value but both of us for the moment could not come up with any valid reason. Do you think any scenario where his code will work and my suggested code will not work? Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • ASP.NET MVC Controllers & Actions In Regards To URLs And SEO

    - by user1066133
    The general idea is that if I were to create an MVC site, simple pages such as the contact and about pages will be placed under the Home Controller. So my URL would look like http://www.mysite.com/home/contact, and http://www.mysite.com/home/about. The above works just fine, but I really don't like the idea of having the "home" portion in the URL. So what negatives would there be if I decided to make a controller name of Contact and About and just added a single Index action so that way the URL would be simplified to http://www.mysite.com/contact and http://www.mysite.com/about. This method looks cleaner. Do any of you do the same or something similar? I've been trying to work on SEO for an escort service site I've developed and when you search for the females the link looks like http://www.mysite.com/escorts/female-escorts, and like-wise for males. I'm wondering if I should remove the Escorts Controller and just create a Female_Escorts Controller with an Index Action only so it comes out like the above as http://www.mysite.com/female-escorts.

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  • Inverted textures

    - by brainydexter
    I'm trying to draw textures aligned with this physics body whose coordinate system's origin is at the center of the screen. (XNA)Spritebatch has its default origin set to top-left corner. I got the textures to be positioned correctly, but I noticed my textures are vertically inverted. That is, an arrow texture pointing Up , when rendered points down. I'm not sure where I am going wrong with the math. My approach is to convert everything in physic's meter units and draw accordingly. Matrix proj = Matrix.CreateOrthographic(scale * graphics.GraphicsDevice.Viewport.AspectRatio, scale, 0, 1); Matrix view = Matrix.Identity; effect.World = Matrix.Identity; effect.View = view; effect.Projection = proj; effect.TextureEnabled = true; effect.VertexColorEnabled = true; effect.Techniques[0].Passes[0].Apply(); SpriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend, null, DepthStencilState.Default, RasterizerState.CullNone, effect); m_Paddles[1].Draw(gameTime); SpriteBatch.End(); where Paddle::Draw looks like: SpriteBatch.Draw(paddleTexture, mBody.Position, null, Color.White, 0f, new Vector2(16f, 16f), // origin of the texture 0.1875f, SpriteEffects.None, // width of box is 3*2 = 6 meters. texture is 32 pixels wide. to make it 6 meters wide in world space: 6/32 = 0.1875f 0); The orthographic projection matrix seem fine to me, but I am obviously doing something wrong somewhere! Can someone please help me figure out what am i doing wrong here ? Thanks

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  • error while loading shared libraries; cannot open shared object file: No such file or directory

    - by glitchyme
    The program evince complains that it can't find libfreetype.so.6; however I clearly have the file and its included in my LD_LIBRARY_PATH; furthermore I have another program which uses libfreetype6 and is able to run just fine. What's going on here? jbud@jb-pc ~> evince evince: error while loading shared libraries: libfreetype.so.6: cannot open shared object file: No such file or directory jbud@jb-pc ~> ldd /usr/bin/evince | grep freetype libfreetype.so.6 => /usr/local/lib/libfreetype.so.6 (0x00007f912179d000) jbud@jb-pc ~> file /usr/local/lib/libfreetype.so.6 /usr/local/lib/libfreetype.so.6: symbolic link to `libfreetype.so.6.11.1' jbud@jb-pc ~> file /usr/local/lib/libfreetype.so.6.11.1 /usr/local/lib/libfreetype.so.6.11.1: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=0x21a4b8005e0c9a42af001b35fb984f4e25efc71c, not stripped jbud@jb-pc ~> echo $LD_LIBRARY_PATH /usr/lib/:/usr/lib64/:/usr/lib/x86_64-linux-gnu/:/usr/local/lib/ jbud@jb-pc ~> ldd jdrive/jstuff/work/personal/noengine/client | grep freetype libfreetype.so.6 => /usr/local/lib/libfreetype.so.6 (0x00007feb5ac89000)

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  • Use Your Chart-Drawing Skills to Win a Free Chrome Cr-48 Notebook

    - by ETC
    Today Google announced that they are partnering with a number of Chrome web application developers to distribute a number of their Chrome OS Notebooks to lucky fans. That’s when we noticed something interesting that can greatly increase your odds of getting one. Unlike Box, MOG, and Zoho, who are doing random giveaways, the LucidChart giveaway is based on a contest of skill – they are picking the best drawings using their flowchart tool and giving away Chrome Notebooks to the winners. So all you have to do is create one of the most interesting drawings / charts, and you will get your hands on one. We’ve also confirmed this with the fine people at LucidChart, who told us “any user who spends a bit of time and effort to do something creative has a good shot at winning one.” How great is the Chrome Cr-48 Notebook? What’s it all about? We wouldn’t know, since Google hasn’t given us here at How-To Geek an opportunity to use one, despite our attempts. It’s sad, since we’re huge fans of the Chrome browser, that we can’t share our Chrome notebook experiences with hundreds of thousands of daily subscribers and millions of monthly visitors. Hint. Hint. Win a Chrome Cr-48 notebook from LucidChart [LucidChart] Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic] Asian Temple in the Snow Wallpaper 10 Weird Gaming Records from the Guinness Book

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  • Apache: Virtual Host and .htacess for URL Rewriting not working

    - by parth
    I have configured a virtual host in my local machine and every thing is working fine. Now I want to use SEO friendly urls. To achieve this I have used the .htaccess file. My virtual host configuration is: <VirtualHost *:80> DocumentRoot "C:/xampp/htdocs/ypp" ServerName ypp.com ServerAlias www.ypp.com ##ErrorLog "logs/dummy-host2.localhost-error.log" ##CustomLog "logs/dummy-host2.localhost-access.log" combined </VirtualHost> and my .htaccess file has: AllowOverride All RewriteEngine On RewriteBase /ypp/ RewriteRule ^/browse$ /browse.php RewriteRule ^/browse/([a-z]+)$ /browse.php?cat=$1 RewriteRule ^/browse/([a-z]+)/([a-z]+)$ /browse.php?cat=$1&subcat=$2 The above .htaccess setting is not working. After that I modified my virtual host setting and it is working. The new virtual host setting is: <VirtualHost *:80> RewriteEngine On RewriteRule ^/browse$ /browse.php RewriteRule ^/browse/([a-z]+)$ /browse.php?cat=$1 RewriteRule ^/browse/([a-z]+)/([a-z]+)$ /browse.php?cat=$1&subcat=$2 ServerAdmin [email protected] DocumentRoot "C:/xampp/htdocs/ypp" ServerName ypp.com ServerAlias www.ypp.com ##ErrorLog "logs/dummy-host2.localhost-error.log" ##CustomLog "logs/dummy-host2.localhost-access.log" combined <Directory "C:/xampp/htdocs/ypp"> AllowOverride All </Directory> </VirtualHost> Please let me know where I am going wrong in the .htacess file for url rewriting. I do not want to use the settings in virtual host, since for every change I have restart apache.

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  • Persistence problem when installing USB Ubuntu variant using Windows

    - by Derek Redfern
    I'm part of a project called One2One2Go - we're developing a Live USB Ubuntu variant for use in schools in Somerville, MA. We have the project files compiled into an iso, and when installed using the native Ubuntu Startup Disk Creator, the USB works fine. When installed using a tool on a Windows machine (LiLi at linuxliveusb.com or liveusb-creator at fedorahosted.org/liveusb-creator), the USB works, but does not have persistence. This happens even if the creator is specifically set to allocate an area for persistent files. When comparing files on sticks created in Windows or Ubuntu, the one file that is different is syslinux/syslinux.cfg. I have printed the contents of the file below: Installed on Windows: DEFAULT nomodset LABEL debug menu label ^debug kernel /casper/vmlinuz append boot=casper xforcevesa initrd=/casper/initrd.gz -- LABEL nomodset menu label ^nomodset kernel /casper/vmlinuz append boot=casper quiet splash nomodset initrd=/casper/initrd.gz -- LABEL memtest menu label ^Memory test kernel /install/memtest append - LABEL hd menu label ^Boot from first hard disk localboot 0x80 append - PROMPT 0 TIMEOUT 1 Installed on Ubuntu: DEFAULT nomodset LABEL debug menu label ^debug kernel /casper/vmlinuz append noprompt cdrom-detect/try-usb=true persistent boot=casper xforcevesa initrd=/casper/initrd.gz -- LABEL nomodset menu label ^nomodset kernel /casper/vmlinuz append noprompt cdrom-detect/try-usb=true persistent boot=casper quiet splash nomodset initrd=/casper/initrd.gz -- LABEL memtest menu label ^Memory test kernel /install/memtest append - LABEL hd menu label ^Boot from first hard disk localboot 0x80 append - PROMPT 0 TIMEOUT 1 For troubleshooting reasons, I changed the Windows-created syslinux.cfg to match the one created by Ubuntu and persistence worked on it. I think the problem is that on the stick created by Windows, there is no "persistent" flag, but I don't know why. Is this a problem with our disk image or with the creator? How would I go about fixing this problem? Thanks in advance for your help. Derek Redfern

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  • Create Windows Bootloader/Boot into Windows from Ubuntu

    - by Kincaid
    I have computer that dual-boots (or tri-boots) Windows 8 Release Preview, Windows 7, and Ubuntu 12.04. Grub boots between Windows 8 and Ubuntu; for which I use primarily. Recently, I have decided I wanted to remove Ubuntu, as I hardly used it. As a stupid mistake, I deleted the Ubuntu partition before changing the bootloader to replace Grub. Whenever I know boot the machine, it gives me the "grub-rescue" prompt -- I am unable to boot into either Windows (8 nor 7), nor Ubuntu (except via USB, of course). I do not have any Windows 7/8 recovery media, so that isn't an option. Please note that after I deleted the Ubuntu partition, I put the PC into hibernate, and then turned it on. This means the C:\ [Windows 8] drive cannot be mounted. I don't know if that is bad, but it definitely doesn't make things better. I am currently booting Ubuntu via USB, in an effort to restore the Windows bootloader solutions. I have looked into using boot-repair to solve the problem using the instructions here, although after attempting to apply the changes, it gave the error: "Please install the [mbr] packages. Then try again." I don't know why I'm getting this error; is there a way to install the 'mbr packages?' I honestly don't know what exactly they are, nor how to install them. Is there any options I have not yet exhausted to be able to boot back into Windows, in the case that there is a better way? In the end, I want to set the bootloader to boot into Windows 8, but booting into either Windows 7 or 8 is fine -- I can use EasyBCD from there. Is there a simple solution to this? I've checked BIOS, and I haven't been able to find a way to boot into Windows. Any help would be greatly appreciated.

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  • Forwarding a subdomain to main domain using Godaddy.

    - by Ryan Hayes
    I have current blog, which was hosted on Tumblr at http://blog.ryanhayes.net. I'm moving it over to http://ryanhayes.net, and have all the 301 redirects set up for the blog entries to map to my new blog, which is hosted using Godaddy (domain included). When I try to set up a subdomain forward, I'm greeted with a nice 403 Forbidden response (as of this writing, you can see it at http://blog.ryanhayes.net. When I try to ping both the subdomain and domain, they point to the same IP address, so I know blog subdomain has at least switched over to point to the same content. I don't really understand why I would get a 403 Forbidden on the same content that I can see perfectly fine via another domain. Currently, I have a CNAME of blog pointing to @, which is how "www" is set up to forward, so I'm assuming it would do the same thing. My question is what is the proper way to set up my DNS to make the blog subdomain forward to my main domain (301) using the GoDaddy DNS manager? Bonus: What is the background on why I am getting a 403 error the current way? Forbidden You don't have permission to access / on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request. UPDATE 12/7/2010 Error on site has been fixed, you can no longer view it from my site.

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  • Ubuntu one, music streaming

    - by iknowshall
    I'm running Ubuntu 11.10, and just signed up for Ubuntu One and Ubuntu One Music. Generally file sync is working fine, but music has been a complete failure so far. Here's what I'm looking at: After 24 hours, not a single mp3 or ogg file from my laptop has sync'd to the Cloud Music folder. I have 4 gigs of data used, which is definitely not enough to include music files. That's about the right amount for my docs and photos. With music, it should be more like 13 gigs. No music shows up on the Ubuntu One Music app on my phone, nor on the web view of my Ubuntu One Cloud folder I followed all the online instructions I could find. Basically, on my laptop, right click on the Music folder and select "Ubuntu One Synchronize this folder" The Music folder now has a green check mark on it indicating its sync'd The Ubuntu One app on my laptop says "File Sync is up to date" I did provide credit card information, and on the Ubuntu One website "Music Streaming" is listed as one of my services. So what am I doing wrong? Just read this post as I'm experiencing the same problem, the answer for this post says that due to the large number of files trying to be uploaded, that it could take up to a week. However I am, as above also being told that "File sync is up to date" Can somebody confirm that this is a bug and that I just need to wait for File sync to actually be up to date? Cheers

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  • hdmi AC-3 audio broke after upgrading from 11.10 to 12.04.3

    - by Jim LastName
    I just updated my MythBuntu 11.10 to 12.04.3. Now, when I try to play 5.1 content (ripped DVD), my TV (and receiver) plays a "chattering" sound. I check my receiver and the digital dolby light isn't on--it's in PCM mode. So, either the audio is getting sent as AC-3, but the TV and receiver think it's PCM or the AC-3 audio got converted to multichannel PCM and they can't handle it. My setup: hdmi cable from htpc to TV. TV has an s/pdif output to my receiver. I know TV sends AC-3 audio out correctly because I see digital dolby light come on when I view a digital TV channel and PCM come on when I view an old analog channel. I can connect s/pdif from my htpc to my receiver and the digital dolby light comes on and it can decode the audio just fine. It's just not sending it right over hdmi. Now for some hints to the issue: I noticed in MythTV audio setup when I select alsa:hdmi.... the description only lists 2 channel PCM audio capability. speaker-test -Dhdmi:PCH -c6 errors about a bad channel count (only -c2 works). Finally, I tried vlc and it does the same chattering sound. These all make me think this isn't a MythTV issue, it's something lower than that. I think the best way to troubleshoot this is to start at the drivers and check each layer, one at a time all the way to alsa. I just don't know what the layers are and how to do it. So, I need to find some audio troubleshooting guide to assist me. Or, if one doesn't exist, I'd appreciate some steps. Thanks much, Jim

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  • Shockwave Flash crashes with Chromium and Firefox

    - by Stephan
    Since updating to Ubuntu 13.10, Shockwave Flash does not work in Chromium or Firefox. Both show a "Shockwave Flash has crashed" dialog. Chromium 29.0.1547.65 After loading a page with a Flash video, I get this warning on the console twice: NVIDIA: could not open the device file /dev/nvidia0 (Operation not permitted). When I try to play the video, it crashes and I receive these disorted error messages: (exe:14868): Gdk-WARNING **: XID collision, trouble ahead [xcb] Extra reply data still left in queue [xcb] This is most likely caused by a broken X extension library [xcb] Aborting, sorry about that. owser --type=plugin --plugin-path=/usr/lib/flashplugin-installer/libflashplayer.so --lang=de --channel=14560.18.20766867: ../../src/xcb_io.c:576: _XReply: Assertion `!xcb_xlib_extra_reply_data_left' failed. Firefox 25.0 With Firefox, I get these errors: ###!!! ABORT: Request 154.24: BadValue (integer parameter out of range for operation); 3 requests ago: file /build/buildd/firefox-25.0+build3/toolkit/xre/nsX11ErrorHandler.cpp, line 157 WARNING: pipe error (110): Connection reset by peer: file /build/buildd/firefox-25.0+build3/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 437 ###!!! [Parent][RPCChannel] Error: Channel error: cannot send/recv What I tried so far Reinstalling flashplugin-installer Changing permissions of /dev/nvidia0 It seems that Flash Aid is no longer available. GPU acceleration is working fine, e.g. for Portal. Does anyone know how to fix this?

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  • Deployable dependencies in Visual Studio 2010 SP1 Beta

    - by DigiMortal
    One new feature that comes with Visual Studio 2010 SP1 Beta is support for deployment references. Deployment reference means that you can include all necessary DLL-s to deployment package so your application has all assemblies it needs to run with it in deployment package. In this posting I will show you how to use deployment dependencies. When I open my ASP.NET web application I have new option for references when I right-click on my web project: Add Deployable Dependencies… If you select it you will see dialog where you can select dependencies you want to add to your project package. When packages you need are selected click OK. Visual Studio adds new folder to your project called _bin_DeployableAssemblies. Screenshot on right shows the list of assemblies added for ASP.NET Pages and Razor. All DLL-s required to run ASP.NET MVC 3 with Razor view engine are here. I am not sure if NuGet.Core.dll is required in production but if it is added then let it be there. Deploy to Azure I tried to deploy my ASP.NET MVC project that uses Razor to Windows Azure after adding deployable references to my project. Deployment went fine and web role instance started without any problems. The only DLL reference I made as local was the one for System.Web.Mvc. All Razor stuff came with deployable dependencies. Conclusion Visual Studio support for deployable dependencies is great because this way component providers can build definitions for their components so also assemblies that are loaded dynamically at runtime will be in deployment package.

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  • SQL SERVER – 2011 – Multi-Monitor SSMS Windows

    - by pinaldave
    I have a dual screen arrangement at my home system. I love it because it’s very convenient. When I am working with SQL Server 2008 R2 or any earlier versions, I would want to use both of the Monitor so I open two separate SQL Server Management Studio and work along with it. I have no complaints with my system, at all. I am totally fine with it. However, sometimes I face small issues, like when I just want a small code open in a separate window but I do not want the windows to take over the whole of another window. But then again, I am already used to this current system. Recently when I was working with SQL Server 2011 ‘Denali’ CTP1, I dragged one of the windows by accident, and suddenly it magically appeared out of its ‘Shell’ of SSMS and was appearing on a separate monitor. I played around a bit and figured out that SSMS now supports multi-monitor (or multi screen) support with single SSMS instance. We can now drag out and drag in any window and resize them at any size. Fantastic! If you are multi-monitor user, I am sure you will like this feature. This leads me to ask you question? Do you use multi-monitor system while working with SQL Server? Leave a quick comment. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology

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  • How to solve package issues/dependencies

    - by Wolfgang Kuehne
    Background info I am trying to install Veins simulation environment by following the tutorial provided by the author. In step 1 it is required to install some packages in Linux, the tutorial suggest this commands to be executed on Terminal: sudo apt-get install build-essential gcc g++ bison flex perl tcl-dev tk-dev blt libxml2-dev zlib1g-dev default-jre doxygen graphviz libwebkitgtk-1.0-0 openmpi-bin libopenmpi-dev libpcap-dev autoconf automake libtool libxerces-c2-dev proj libgdal1-dev libfox-1.6-dev When I execute this command, I immediately get: E: Package 'proj' has no installation candidate Then I remove the proj from the command and execute it again without proj in it, next I get: The following packages have unmet dependencies: libgdal1-dev : Depends: libgdal-dev but it is not going to be installed E: Unable to correct problems, you have held broken packages. So, I remove libgdal1-dev from the command as well. And it executes file, by downloading the remaining packages. To troubleshoot the problem with proj and libdgal1-dev I go to the Synaptic Package Manager. libgdal1-dev I search for libgdal1-dev in Synaptic Package Manager and I get an entry. I Mark for Installation and then Synaptic Package Manager suggests removing libxerces-c2-dev which is actually added via the initial command. Should I trust Synaptic Package Manager with this suggestion, and proceed further? proj What should I do about proj. There are some packages in Synaptic Package Manager such as proj-bin or libproj-dev. Should I install them? I think proj has to do with this and this What should I do to make sure that this simulation tool works fine?

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  • Auto-mount in fstab no longer working until manually running 'sudo mount -a'

    - by Brett Alton
    I have 3 SMB shared drives I need to connect to for work purposes. I had Ubuntu 10.10 Maverick and had all my drives loaded into fstab to be auto-mounted. Everything worked fine for a while but just before I upgraded to 11.04 Natty, the fstab auto-mount stopped working. Unfortunately I don't know what changed I made to my machine or what update installed that made this occur. /etc/fstab {snip} //192.168.7.3/apache_proj/ /home/brett/Desktop/apache smbfs guest,rw,iocharset=utf8,uid=1000,gid=1000 0 0 //192.168.7.3/apache_54321/ /home/brett/Desktop/54321 smbfs guest,rw,iocharset=utf8,uid=1000,gid=1000 0 0 //freenas.local/shared/ /home/brett/Desktop/shared smbfs guest,rw,iocharset=utf8,uid=1000,gid=1000 0 0 //lamp/www/ /home/brett/Desktop/lamp smbfs username={snip},password={snip},rw,iocharset=utf8,uid=1000,gid=1000 0 0 When the machine boots, I run this command to get them to mount: $ sudo umount /home/brett/Desktop/54321 /home/brett/Desktop/shared /home/brett/Desktop/apache; sudo mount -a [sudo] password for brett: umount: /home/brett/Desktop/54321: not mounted umount: /home/brett/Desktop/shared: not mounted umount: /home/brett/Desktop/apache: not mounted Warning: mapping 'guest' to 'guest,sec=none' Warning: mapping 'guest' to 'guest,sec=none' Warning: mapping 'guest' to 'guest,sec=none' mount error: could not resolve address for lamp: No address associated with hostname (I run that umount as a just-in-case). I looked through dmesg and some error logs and couldn't see why fstab was failing on my mounts. I see that my 'lamp' directive is failing, but that's because the machine is currently down.

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  • Dealing with "jumping" sprites: badly centered?

    - by GigaBass
    Thing is, I've used darkFunction Editor as a way to get all the spriteCoordinates off a spriteSheet for each individual sprite, and parse the .xml it generates inside my game. It all works fine, except when the sprites are all similarly sized, but when a sprite changes from a small sprite into a big one, such as here: When from walking from some direction, to attacking, it starts "jumping", appearing glitchy, because it's not staying in the same correct position, only doing so for the right attacking sprite, due to the drawing being made from the lower left part of the rectangle. I think someone experienced will immediately recognize the problem I mean, if not, when I return home soon, I will shoot a little youtube video demonstrating the issue! So the question is: what possible solutions are there? I've thought that some sort of individual frame "offset" system might be the answer, or perhaps splitting, in this case, the sprite in 2: the sword, and the character itself, and draw sword according to character's facing, but that might be overly complex. Another speculation would be that there might be some sort of method in LibGdx, the library I'm using, that allows me to change the drawing center (which I looked for and didn't find), so I could choose from where the drawing starts.

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  • Oracle ACEs in the House

    - by Justin Kestelyn
    As is customary, the Oracle ACEs have invaded the Oracle Develop Conference agenda.Why? Because Oracle ACE-dom inherently is a stamp of not only expertise, but a unique ability to make that expertise useful to others. Plus, they're a group of "fine blokes" (UK. subjects, educate me: is that really a word?)Perhaps if you're not able to catch one of these sessions, you will be able to see the applicable ACE in action elsewhere, at a conference or user group meeting near you. Session ID Session Title Speaker, Company S313355 Developing Large Oracle Application Development Framework 11g Applications Andrejus Baranovskis, Red Samurai Consulting S316641 Xenogenetics for PL/SQL: Infusing with Java Best Practices and Design Patterns Lucas Jellema, AMIS; Alex Nuijten, AMIS S317171 Building Secure Multimedia Web Applications: Tips and Techniques Marcel Kratochvil, Piction; Melliyal Annamalai, Oracle S315660 Database Applications Lifecycle Management Marcelo Ochoa, Facultad de Ciencias Exactas S315689 Building a High-Performance, Low-Bandwidth Web Architecture Paul Dorsey, Dulcian, Inc. S316003 Managing the Earthquake: Surviving Major Database Architecture Changes Paul Dorsey, Dulcian, Inc.; Michael Rosenblum, Dulcian, Inc. S314869 Introduction to Java: PL/SQL Developers Take Heart Peter Koletzke, Quovera S316184 Deploying Applications to Oracle WebLogic Server Using Oracle JDeveloper Peter Koletzke, Quovera; Duncan Mills, Oracle S316597 Using Collections in Oracle Application Express: The Definitive Intro Raj Mattamal, Niantic Systems, LLC S313382 Using Oracle Database 11g Release 2 in an Oracle Application Express Environment Roel Hartman, Logica S313757 Debugging with Oracle Application Express and Oracle SQL Developer Dimitri Gielis, Sumneva S313759 Using Oracle Application Express in Big Projects with Many Developers Dimitri Gielis, Sumneva S313982 Forms2Future: The Ongoing Journey into the Future for Oracle-Based Organizations Lucas Jellema, AMIS; Peter Ebell, AMIS

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  • Connecting MS SQL using freetds and unixodbc: isql - no default driver specified

    - by Dejan
    I am trying to connect to the MS SQL database using freetds and unixodbc. I have read various guides how to do it, but no one works fine for me. When I try to connect to the database using isql tool, I get the following error: $ isql -v TS username password [IM002][unixODBC][Driver Manager]Data source name not found, and no default driver specified [ISQL]ERROR: Could not SQLConnect Have anybody already successfully established the connection to the MS SQL database using freetds and unixodbc on Ubuntu 12.04? I would really appreciate some help. Below is the procedure I used to configure the freetds and unixodbc. Thanks for your help in advance! Procedure First, I have installed the following packages sudo apt-get unixodbc unixodbc-dev freetds-dev tdsodbc and configured freetds as follows: --- /etc/freetds/freetds.conf --- [TS] host = SERVER port = 1433 tds version = 7.0 client charset = UTF-8 Using tsql tool I can successfully connect to the database by executing tsql -S TS -U username -P password As I need an odbc connection I configured odbcinst.ini as follows: --- /etc/odbcinst.ini --- [FreeTDS] Description = FreeTDS Driver = /usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so Setup = /usr/lib/x86_64-linux-gnu/odbc/libtdsS.so FileUsage = 1 CPTimeout = CPResuse = client charset = utf-8 and odbc.ini as follows: --- /etc/odbc.ini --- [TS] Description = "test" Driver = FreeTDS Servername = SERVER Server = SERVER Port = 1433 Database = DBNAME Trace = No Trying to connect to the database using isql tool with such a configuration results the following error: $ isql -v TS username password [IM002][unixODBC][Driver Manager]Data source name not found, and no default driver specified [ISQL]ERROR: Could not SQLConnect

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  • Great Debugging skills weak problem solving

    - by Mahmoud
    For the 5 years I worked for various companies, I worked in large software like computer vision kits, embedded, games. I found myself very good at debuggins skills, I've even found and fixed bugs in frameworks and I solved them. The problem is that I'm very weak at problem solving. I got interview with Qualcomm, and they said you're fine at software, but you have a limited problem solving, I also had the same results with Google. I'm very bad at solving puzzles and brain teasers. During the interviews I solve all of the software related problems on the blackboard, but when I went to the GM and face math problems and probabilities, I struggle. How can I improve my problem solving skills? Edit Some of the problems: A cake that is cut from anywhere and needs just one cut to halved in equal. I told him cut it horizontally, he said No, consider it as a 2D Problem!. Consider a concenteric 3 circles, each one can get a color, but not matched with the other circle, how many blobs you can make out of those circles ? this was with the GM ( Augmented Reality SDK) Consider a train, an infinite one, and you looked at the window, and there are two cars, one big, and one small, what is the probability of having only a big car, I said 50%, he said, what if that two cars you dont know their length, and you want to get the probability of getting the biggest one, I struggled, didn't solve it... I was really exahusted after long day of interviews prob of having a number divisible by 5 in numbers from 1 to 100.. struggled!! All coding questions I solved them like reverse a string, detect a cycle in a linked list,..etc.

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  • Keyboard / keymap problems with Xubuntu 12.04 + NX nomachine

    - by bajafresh4life
    I'm running NX client on my Macbook Pro to connect to a Xubuntu 12.04 desktop at work. I have configured NX client to start up a console upon connection. I am able to connect to my remote linux machine and I get a simple xterm console. However, when I run xfce4-session, half my keys no longer work. For example, when I launch a terminal, I typing a, s, or d works, but if type w, e, r, or t, the cursor just blinks. If I ctrl-C out of xfce4-session, all the keys work fine in my xterm console. If I run xev, this is the output for when I hit a key that works: KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 16 (keysym 0x63, c), same_screen YES, XLookupString gives 1 bytes: (03) "" XFilterEvent returns: False KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 67 (keysym 0xffe3, Control_L), same_screen YES, XKeysymToKeycode returns keycode: 63 XLookupString gives 0 bytes: XFilterEvent returns: False but when I hit a key that doesn't work: FocusOut event, serial 34, synthetic NO, window 0x2e00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 34, synthetic NO, window 0x2e00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 34, synthetic NO, window 0x0, keys: 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Any ideas on what I can do to troubleshoot this issue? Googling around offered a few suggestions (like playing with xmodmap) but nothing seemed to work. Also, one thing worth mentioning is that I do not have any keyboard issues when remoting into a different Ubuntu 10 box via NX.

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