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  • How to fix no splash screen in Ubuntu after nvidia proprietary driver installation (also black borders)

    - by Fabio Trevisiol
    This is soultion how to fix no splash screen in Ubuntu after nvidia proprietary driver installation. It's no matter what Ubuntu version you use, it should work anyway. (TESTED ON 14.04) Open your terminal and type: sudo apt-get install v86d (TEST WITHOUT) Then: sudo gedit /etc/default/grub Find this line: #GRUB_GFXMODE=640x480 Add below (of course choose your resolution): GRUB_GFXMODE=1024x768x32 (TRY WITHOUT OR DIFFERENT BIT DEPTH) GRUB_GFXPAYLOAD_LINUX=1920x1080x32 (YOU CAN ALSO USE THE KEEP OPTION) Save file and type in terminal: echo FRAMEBUFFER=y | sudo tee /etc/initramfs-tools/conf.d/splash (ALLOWS TO AVOID THAT THE SPLASH SCREEN IS DISPLAYED FOR A FEW SECONDS) sudo update-initramfs -u sudo update-grub2 For all those who complain about the presence of black borders in "plymouth", try to make these changes before installing the nvidia driver or switch back from nvidia to nouveau and from nouveau to nvidia. Kernel update from the Software Updater? It happened to me; I don't know if it matters. I don't know for which of these reasons, but after a few reboots, the black borders are gone. UPDATE discovered the secret: during all these beautiful things, something strange happened. glxinfo | grep vendor server glx vendor string: SGI client glx vendor string: Mesa Project and SGI OpenGL vendor string: nouveau

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  • Annotate source code with diagrams as comments

    - by Steven Lu
    I write a lot of (primarily c++ and javascript) code that touches upon computational geometry and graphics and those kinds of topics, so I have found that visual diagrams have been an indispensable part of the process of solving problems. I have determined just now that "oh, wouldn't it just be fantastic if I could somehow attach a hand-drawn diagram to a piece of code as a comment", and this would allow me to come back to something I worked on, days, weeks, months earlier and far more quickly re-grok my algorithms. As a visual learner, I feel like this has the potential to improve my productivity with almost every type of programming because simple diagrams can help with understanding and reasoning about any type of non-trivial data structure. Graphs for example. During graph theory class at university I had only ever been able to truly comprehend the graph relationships that I could actually draw diagrammatical representations of. So... No IDE to my knowledge lets you save a picture as a comment to code. My thinking was that I or someone else could come up with some reasonably easy-to-use tool that can convert an image into a base64 binary string which I can then insert into my code. If the conversion/insertion process can be streamlined enough it would allow a far better connection between the diagram and the actual code, so I no longer need to chronographically search through my notebooks. Even more awesome: plugins for the IDEs to automatically parse out and display the image. There is absolutely nothing difficult about this from a theoretical point of view. My guess is that it would take some extra time for me to actually figure out how to extend my favorite IDEs and maintain these plugins, so I'd be totally happy with a sort of code post-processor which would do the same parsing out and rendering of the images and show them side by side with the code, inside of a browser or something. Since I'm a javascript programmer by trade. What do people think? Would anyone pay for this? I would.

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  • How do I make my USB Bluetooth dongle work in Ubuntu 11.04 ? (Can't init device hci0: Connection timed out (110)) [closed]

    - by MaikoID
    I've a USB bluetooth dongle root@maiko-cce-lin:~# lsusb | grep Bluetooth Bus 001 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) that isn't working properly, hardly-ever it works but stops working in my next reboot. what I've tried it isn't software blocked root@maiko-cce-lin:~# rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no my device is recognized by hciconfig root@maiko-cce-lin:~# hciconfig -a hci0: Type: BR/EDR Bus: USB BD Address: 00:1F:81:00:01:1C ACL MTU: 1021:4 SCO MTU: 180:1 DOWN RX bytes:330 acl:0 sco:0 events:8 errors:0 TX bytes:24 acl:0 sco:0 commands:30 errors:22 Features: 0xff 0x3e 0x09 0x76 0x80 0x01 0x00 0x80 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: Link mode: SLAVE ACCEPT but I can't turn on my hci interface root@maiko-cce-lin:~# hciconfig hci up Can't init device hci0: Connection timed out (110) I don't understand why.. the hcitool command doesn't show any device. root@maiko-cce-lin:~# hcitool dev Devices: I've tried to restart my bluetooth service too with this command and make all these previous commands again but without success. root@maiko-cce-lin:~# service bluetooth restart * Stopping bluetooth [ OK ] * Starting bluetooth [ OK ] root@maiko-cce-lin:~# The dongle works if you disconnect it from usb, wait a few seconds and connect it again. so there must be better solution for it ( a solution not involving physically removing the dongle!)

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  • Analytics: Test events not showing up - how to troubleshoot?

    - by David Parks
    I've got 3 profiles: Master, Raw Data, and Test, on the Test profile I have no filters configured. I want to test using some events. I created a local HTML file as shown below to generate some test data that I could play with in Analytics. But the events never showed up in Analytics. I wonder what I might be doing wrong? Is the lack of a domain an issue maybe? <html><head></head><body>Login_popup_complete_Facebook <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-28554309-1']); _gaq.push(['_trackPageview']); _gaq.push(['_trackEvent', 'Login popup completed', 'Facebook']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script> </body></html>

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  • How can I install Insight debugger?

    - by DandyWalker
    Hello. I am following along a book in which Insight debugger is required. I didn't find it on my Maverick. I googled and I found that it's not supported in debian anymore but I really need to install it. I tried to compile the source and it installed but keep telling me that tk is missing whenever i start it. I installed tk with sudo aptitude install tk then tried to run again it's the same. I compiled it one more time and nothing really changes. So please how can I install that ? Update: This is the message i get Tk_Init failed: Can't find a usable tk.tcl in the following directories: /usr/local/share/tk8.4 /usr/local/lib/tk8.4 /usr/lib/tk8.4 /usr/local/library /usr/library /usr/tk8.4.1/library /tk8.4.1/library /usr/local/share/tk8.4/tk.tcl: no event type or button # or keysym no event type or button # or keysym while executing "bind Listbox <MouseWheel> { %W yview scroll [expr {- (%D / 120) * 4}] units }" (file "/usr/local/share/tk8.4/listbox.tcl" line 182) invoked from within "source /usr/local/share/tk8.4/listbox.tcl" (in namespace eval "::" script line 1) invoked from within "namespace eval :: [list source [file join $::tk_library $file.tcl]]" (procedure "SourceLibFile" line 2) invoked from within "SourceLibFile listbox" (in namespace eval "::tk" script line 4) invoked from within "namespace eval ::tk { SourceLibFile button SourceLibFile entry SourceLibFile listbox SourceLibFile menu SourceLibFile panedwindow SourceLibFile ..." invoked from within "if {$::tk_library ne ""} { if {[string equal $tcl_platform(platform) "macintosh"]} { proc ::tk::SourceLibFile {file} { if {[catch { namesp..." (file "/usr/local/share/tk8.4/tk.tcl" line 393) invoked from within "source /usr/local/share/tk8.4/tk.tcl" ("uplevel" body line 1) invoked from within "uplevel #0 [list source $file]" This probably means that tk wasn't installed properly.

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  • Computer Science Degrees and Real-World Experience

    - by Steven Elliott Jr
    Recently, at a family reunion-type event I was asked by a high school student how important it is to get a computer science degree in order to get a job as a programmer in lieu of actual programming experience. The kid has been working with Python and the Blender project as he's into making games and the like; it sounds like he has some decent programming chops. Now, as someone that has gone through a computer science degree my initial response to this question is to say, "You absolutely MUST get a computer science degree in order to get a job as a programmer!" However, as I thought about this I was unsure as to whether my initial reaction was due in part to my own suffering as a CS student or because I feel that this is actually the case. Now, for me, I can say that I rarely use anything that I learned in college, in terms of the extremely hard math, algorithms, etc, etc. but I did come away with a decent attitude and the willingness to work through tough problems. I just don't know what to tell this kid; I feel like I should tell him to do the CS degree but I have hired so many programmers that majored in things like English, Philosophy, and other liberal arts-type degrees, even some that never went to college. In fact my best developer, falls into this latter category. He got started writing software for his church or something and then it took off into a passion. So, while I know this is one of those juicy potential down vote questions, I am just curious as to what everyone else thinks about this topic. Would you tell a high school kid about this? Perhaps if he/she already knows a good deal of programming and loves it he doesn't need a CS degree and could expand his horizons with a liberal arts degree. I know one of the creators of the Django web framework was a American Literature major and he is obviously a pretty gifted developer. Anyway, thanks for the consideration.

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  • Sesame Data Browser: filtering, sorting, selecting and linking

    - by Fabrice Marguerie
    I have deferred the post about how Sesame is built in favor of publishing a new update.This new release offers major features such as the ability to quickly filter and sort data, select columns, and create hyperlinks to OData. Filtering, sorting, selecting In order to filter data, you just have to use the filter row, which becomes available when you click on the funnel button: You can then type some text and select an operator: The data grid will be refreshed immediately after you apply a filter. It works in the same way for sorting. Clicking on a column will immediately update the query and refresh the grid.Note that multi-column sorting is possible by using SHIFT-click: Viewing data is not enough. You can also view and copy the query string that returns that data: One more thing you can to shape data is to select which columns are displayed. Simply use the Column Chooser and you'll be done: Again, this will update the data and query string in real time: Linking to Sesame, linking to OData The other main feature of this release is the ability to create hyperlinks to Sesame. That's right, you can ask Sesame to give you a link you can display on a webpage, send in an email, or type in a chat session. You can get a link to a connection: or to a query: You'll note that you can also decide to embed Sesame in a webpage... Here are some sample links created via Sesame: Netflix movies with high ratings, sorted by release year Netflix horror movies from the 21st century Northwind discontinued products with remaining stock Netflix empty connection I'll give more examples in a post to follow. There are many more minor improvements in this release, but I'll let you find out about them by yourself :-)Please try Sesame Data Browser now and let me know what you think! PS: if you use Sesame from the desktop, please use the "Remove this application" command in the context menu of the destkop app and then "Install on desktop" again in your web browser. I'll activate automatic updates with the next release.

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  • Referral traffic not appearing properly in Google Analytics

    - by Crashalot
    We have a partnership arrangement with another site where we pay them for users sent to us. However, they claim our referral numbers for them are lower than theirs by 50%. They are tracking clicks in Google Analytics (using events) while we are using visits in Google Analytics. Are we doing something wrong with our Google Analytics installation? <!-- Google Analytics BEGIN --> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-12345678-1']); _gaq.push(['_setDomainName', 'example.com']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script> <!-- Google Analytics END -->

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  • SkyDrive and Consumer Cloud Services

    - by Tim Murphy
    Paul Thurrrott recently posted an article on the future of SkyDrive and I was asked what I thought about its future by @UserCommunity.  So let’s take a look. The breakdown from Microsoft that Paul described I believe is an accurate representation of users and usages. While I can’t say that I leverage SkyDrive to the extent that it was meant to be I do enjoy having OneNote hosted their and being able to consult and edit it from the desktop, web and Windows Phone. Taking that one step further is the Midwest Geeks group which started as the community of Microsoft related user groups in our region uses SkyDrive groups and shares calendars and documents.  This collaboration aspect isn’t new in itself, but having it connected with the rest of your cloud assets makes life easier. Another recent usage of this type of cloud service is storing your personal music files in order to get that same universal access.  This is a scenario that has some arguments for and against.  On the one hand own once and listen anywhere is great, but the on the other hand the bandwidth cost becomes a giant downside.  This is especially the case since most carriers are now doing away with unlimited data packages. Ultimately I see this type of resource growing an evolving at a phenomenal rate over the next few years as we continue to become more mobile.  Having multiple players such as SkyDrive and iCloud will only help to give us more options.  Only time will tell where we end up next. del.icio.us Tags: SkyDrive,Cloud Services,Paul Thurrott,UserCommunity

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  • How to use Nginx to export the mongoDB connection?

    - by Totty
    I have on my server 2 things: the node.js server and a mongodb database; The node.js server is reachable from myip/server; and now I would like to export the mongodb database to myip/database for example. Now when I use my mongodb viewer (MongoVUE) with "http://myip/database:9000" (the port 9000 is set in nginx and it's also the port that I start mongod). If I go to "http://myip/database:9000" or "http://myip/database" in a browser it look like: "You are trying to access MongoDB on the native driver port. For http diagnostic access, add 1000 to the port number". But in MongoVUE it says: Unable to connect to server 192.168.1.16/database:9000: No such host is known. Type: MongoDB.Driver.MongoConnectionException Stack: at MongoDB.Driver.Internal.DirectConnector.Connect(TimeSpan timeout) at MongoDB.Driver.MongoServer.Connect(TimeSpan timeout, ConnectWaitFor waitFor) at MongoDB.Driver.MongoServer.Connect(TimeSpan timeout) at MongoDB.Driver.MongoServer.Connect() at MangoUI.MMongo.FQlxNlJKqO74gYmXgZR4(Object ) at MangoUI.MMongo.Open(Boolean useSamus) at MangoUI.MMongo.Open() at MangoUI.ComNavTree.wJQdUqApCpjoC39P59n(Object ) at MangoUI.ComNavTree.ExpandMe(MTreeNode expand) at MangoUI.ComNavTree.tree_BeforeExpand(Object sender, TreeViewCancelEventArgs e) No such host is known Type: System.Net.Sockets.SocketException Stack: at System.Net.Dns.GetAddrInfo(String name) at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6) at System.Net.Dns.GetHostAddresses(String hostNameOrAddress) at MongoDB.Driver.MongoServerAddress.ToIPEndPoint(AddressFamily addressFamily) at MongoDB.Driver.MongoServerInstance.Connect(Boolean slaveOk) at MongoDB.Driver.Internal.DirectConnector.Connect(TimeSpan timeout)

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  • Ubuntu Server 13.10 can't mount hard drive that is on my router

    - by Keytachi626
    So I am working currently with my Ubuntu server which I have it on my laptop at the moment so I can test out how to work with the server OS. I have it up and running with samba, openSSH, webmin, and plexmedia server. My problem is that I can't seem to get the server to get to the router hard drive. I have a TP-link wdr3500. The format of the hard drive is a FAT32. What I've tried: install cifs. sudo vi /etc/fstab Type out \\ \tplinklogin.net\volume1 \mnt\media cifs guest 0 0 I have also tried out \\\192.168.0.1\volume1 \mnt\media cifs guest 0 0 But then when I go to terminal and do sudo mount -a, I usually get a error saying wrong fs type, bad option, bad superblock on //ipaddress/dns/volume1 , missing codepage or helper program, or other error. But in dmesg it will say unable to determine destination address. So am I doing something wrong here? I can't install the hard drive on to my laptop since my family is constantly using it to transfer data back and forth on it and they get mad at me if I just take it away.

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  • Why not to use StackTrace to find what method called you

    - by Alex.Davies
    Our obfuscator, SmartAssembly, does some pretty crazy reflection. It's an obfuscator, it's sort of its job to do things in the most awkward way possible. But sometimes, you can go too far. One such time is this little gem from the strings encoding feature: StackTrace stackTrace = new StackTrace(); StackFrame frame = stackTrace.GetFrame(1); Type ownerType = frame.GetMethod().DeclaringType; It's designed to find the type where the calling method is defined. A user found that strings encoding occasionally broke on x64 systems. Very strange. After some debugging (thank god for Reflector Pro, it would be impossible to debug processed assemblies without it) I found that the ownerType I got back was wrong. The reason is that the x64 JIT does tail call optimisation. This saves space on the stack, and speeds things up, by throwing away a method's stack frame if the last thing that it calls is the only thing returned. When this happens, the call to StackTrace faithfully tells you that the calling method is the one that called the one we really wanted. So using StackTrace isn't safe for anything other than debugging, and it will make your code fail in unpredictable ways. Don't use it!

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  • Search Work Items for TFS 2010 - New Extension

    - by MikeParks
    A few months ago I was constantly using Visual Studio 2008 with Team Foundation Server 2008. Searching for work items with queries inside Visual Studio became a pain until I found an add in that simplifed it into one little search box in the IDE.  It allowed me to enter some text in, hit the enter key, and it would bring back a list (aka open a .wiq file) of work items that matched the text entered. I became a huge fan of Noah Coad's Search Work Item Add In. He wrote a pretty good blog on how to use it as well. Of course when we upgraded to Visual Studio 2010 and Team Foundation Server 2010, the 2008 add in no longer worked. I didn't see any updates for it on codeplex to be 2010 compatible. Cory Cissell and I have published a few Visual Studio Extensions already so I figured I'd take a shot at making this tool 2010 compatible by turning it into an extension. Sure enough, it worked. We used it locally for a while and recently decided to publish it to the Visual Studio Gallery. If you are currently looking for an easy way to search work items in Visual Studio 2010, this is worth checking out. Big thanks goes out to Noah for originally creating this on codeplex. The extension we created can be downloaded here: http://visualstudiogallery.msdn.microsoft.com/en-us/3f31bfff-5ecb-4e05-8356-04815851b8e7      * Additional note: The default search fields are Title, History, and Description. If you want to modify which work item fields are searchable, type in "--template" (no quotes) into the search box and hit enter. This will open the search template. Just add another "Or" statement, pick the field name, select an operator, type "[search]" (no quotes) in the value field, and hit ctrl + s to save. The next time you run a search it will use the modified search template. That's all for now. Thanks! - Mike

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  • XNA 4.0: Problem with loading XML content files

    - by 200
    I'm new to XNA so hopefully my question isn't too silly. I'm trying to load content data from XML. My XML file is placed in my Content project (the new XNA 4 thing), called "Event1.xml": <?xml version="1.0" encoding="utf-8" ?> <XnaContent> <Asset Type="MyNamespace.Event"> // error on this line <name>1</name> </Asset> </XnaContent> My "Event" class is placed in my main project: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Linq; namespace MyNamespace { public class Event { public string name; } } The XML file is being called by my main game class inside the LoadContent() method: Event temp = Content.Load<Event>("Event1"); And this is the error I'm getting: There was an error while deserializing intermediate XML. Cannot find type "MyNamespace.Event" I think the problem is because at the time the XML is being evaluated, the Event class has not been established because one file is in my main project while the other is in my Content project (being a XNA 4.0 project and such). I have also tried changing the build action of the xml file from compile to content; however the program would then not be able to find the file and would give this other warning: Project item 'Event1.xml' was not built with the XNA Framework Content Pipeline. Set its Build Action property to Compile to build it. Any suggestions are appreciated. Thanks.

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  • Dynamically changing DVT Graph at Runtime

    - by mona.rakibe(at)oracle.com
    I recently came across this requirement where the customer wanted to change the graph type at run-time based on some selection. After some internal discussions we realized this can be best achieved by using af:switcher to toggle between multiple graphs. In this blog I will be sharing the sample that I build to demonstrate this.[Note] : In the below sample, every-time user changes graph type there is a server trip, so please use this approach with performance implications in mind.This sample can be downloaded  from DynamicGraph.zipSet-up: Create a BAM data control using employees DO (sample)(Refer this entry)Steps:Create the View Create a new JSF page .From component palette drag and drop "Select One Radio" into this page Enter some Label and click "Finish"In Property Editor set the "AutoSubmit" property to trueNow drag and drop "Switcher" from components into this page.In the Structure pane select the af:switcher right click and surround with "PanelGroupLayout"In Property Editor set the "PartialTriggers"  property of PanelGroupLayout to the id of af:selectOneRadioAgain in the Structure pane select the af:switcher right click and select "Insert inside af:switcher->facet"Enter Facet name (ex: pie)Again in the Structure pane select the af:switcher right click and select "Insert inside af:switcher->facet" Enter  another Facet name (ex: bar)From "Data Controls" drag and drop "Employees->Query"  into the pie facet as "Graph->Pie" (Pie: Sales_Number and Slices: Salesperson)From "Data Controls" drag and drop "Employees->Query"  into the bar facet as "Graph->Bar" (Bars :Sales_Number and X-axis : Salesperson).Now wire the switcher to the af:selectOneRadio using their "facetName" and "value" property respectively.Now run the page, notice that graph renders as per the selection by user.

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  • How to get Broadcom BCM 43XX Wireless card working

    - by Fer1805
    NOTE - Although this question is for a specific version of Ubuntu and a specific Broadcom model, the answer to it is for most Broadcom models and versions of Ubuntu 11.04, 11.10, 12.04 and 12.10. If you have come here from another question, feel free to read the answer instead. The answer covers many problems with several solutions. I'm having serious problems installing the Broadcom drivers for Ubuntu 11.04. It worked perfectly on my previous version, but now, it is impossible. I'm a user with no advance knowledge in Linux, so I would need clear explanations on make, compile, etc. I was following the instructions on the following blog, with no luck. How can I get Broadcom BCM4311 Wireless working? Can someone help me? Edit: For the command: "lspci | grep Network", I get the following message: 06:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) For the command: iwconfig, i get the following: lo no wireless extensions. eth0 no wireless extensions. When i follow the following steps (from the above link), there are a NO error message at all: open the 'Synaptic Package Manager' and search for bcm uninstall the bcm-kernel-source package make sure that the firmware-b43-installer and the b43-fwcutter packages are installed type into terminal: cat /etc/modprobe.d/* | egrep '8180|acx|at76|ath|b43|bcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|witch|wl' (you may want to copy this) and see if the term blacklist bcm43xx is there if it is, type cd /etc/modprobe.d/ and then sudo gedit blacklist.conf put a # in front of the line: blacklist bcm43xx then save the file (I was getting error messages in the terminal about not being able to save, but it actually did save properly). reboot 'End of procedure' Before (not ubuntu 11.04), if i wanted to connect wireles, i just went to the icon at the upper side of the screen, click, showed ALL the wireless network available, and done. Now, the only options i see are: Wired Network Auto Eth0 Disconnect VPN Enable networking Connection information Edit connection. hope above info is enough for your help.

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  • Entity system and rendering types

    - by Papi75
    I would like to implement entity system in my game and I've got some question about entity system and rendering. Currently, my renderer got two types of elements: Current design Mesh : A default renderable with a Material, a Geometry and a Transformable Sprite : A type of mesh with some methods like "flip" and "setRect" methods and a rect member (With an imposed geometry, a quad) This objects inherit from "Spacial" class. Questions: How can I handle this two types in an entity system? I'm thinking about using "MeshComponent" and "SpriteComponent", but if I do that, an entity could have a Mesh and a Sprite at the same type, it's look stupid, right? I thought the idea to have a parent "rendering" component : "RenderableComponent" for "MeshComponent" and "SpriteComponent" but it will be difficult to handle "cast" in the game (ex: did I need to ask entity-getComponent or SpineComponent, …) Thanks a lot for reading me! My entity system work like that: --------------------------------------------------------------------------- Entity* entity = world->createEntity(); MeshComponent* mesh = entity->addComponent<MeshComponent>(material); mesh->loadFromFile("monkey.obj"); PhysicComponent* physic = entity->addComponent<PhysicComponent>(); physic->setMass(5.4f); physic->setVelocity( 0.5f, 2.f ); --------------------------------------------------------------------------- class RenderingSystem { private: Scene scene; public: void onEntityAdded( Entity* entity ) { scene.addMesh( entity->getComponent<MeshComponent>() ); } } class PhysicSystem { private: World world; public: void onEntityAdded( Entity* entity ) { world.addBody( entity->getComponent<PhysicComponent>()->getBody() ); } void process( Entity* entity ) { PhysicComponent* physic = entity->getComponent<PhysicComponent>(); } } ---------------------------------------------------------------------------

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  • Database Developers Can Now Save 20%

    - by stephen.garth
    Database developers can now increase productivity and save money at the same time. For a limited time, Oracle Store is offering a 20% discount on Oracle SQL Developer Data Modeler. Just enter the code SQLDDM at checkout to get the discount. Oracle SQL Developer Data Modeler is an independent, standalone product with a full spectrum of data and database modeling tools and utilities, including modeling for Entity Relationship Diagrams (ERD), Relational (database design), Data Type and Multi-dimensional modeling, full forward and reverse engineering and DDL code generation. SQL Developer Data Modeler can connect to any supported Oracle Database and is platform independent. Save 20% on Oracle SQL Developer Data Modeler at Oracle Store - Discount Code SQLDDM Find out more about Oracle SQL Developer and Oracle SQL Developer Data Modeler var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • Google analytics iframe code measuring visitor as two visitors

    - by Maarten
    I'm trying to measure visitors in an iframe and the site containing the iframe. What I would like is that visitors clicks in the iframe are seen being from the same visitor as the containing site, but somehow it is seen as two seperate visitors. I followed examples from http://www.blastam.com/blog/index.php/2011/02/google-analytics-cross-domain-tracking/, trimmed down to an even simpler version based on the comments about setDomainName not being needed anymore but with setDomainName I get the same result: a click on a page and a click on the iframe is seen as 2 clicks by 2 seperate visitors. This is the code in my iframe if (_gaq && gaAccount.length > 0){ _gaq.push(['_setAccount', gaAccount]); _gaq.push(['_setAllowLinker', true]); //_gaq.push(['_setDomainName', 'none']); _gaq.push(['_trackPageview', 'mytestcountername']); } And this is the code in the containing page: <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-9605474-4']); _gaq.push(['_setAllowLinker', true]); //_gaq.push(['_setDomainName', '.domain.nl']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script>

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  • SFML programs fails to debug with glslDevil

    - by Zhen
    I'm testing the glslDevil debugger with a simple (and working) SFML application in Linux + NVidia. But it always fails in the window creation step: W! Program Start | glXGetConfig(0x86a50b0, 0x86acef8, 4, 0xbf8228c4) | glXGetConfig(0x86a50b0, 0x86acef8, 5, 0xbf8228c8) | glXGetConfig(0x86a50b0, 0x86acef8, 8, 0xbf8228cc) | glXGetConfig(0x86a50b0, 0x86acef8, 9, 0xbf8228d0) | glXGetConfig(0x86a50b0, 0x86acef8, 10, 0xbf8228d4) | glXGetConfig(0x86a50b0, 0x86acef8, 11, 0xbf8228d8) | glXGetConfig(0x86a50b0, 0x86acef8, 12, 0xbf8228dc) | glXGetConfig(0x86a50b0, 0x86acef8, 13, 0xbf8228e0) | glXGetConfig(0x86a50b0, 0x86acef8, 100000, 0xbf8228e4) | glXGetConfig(0x86a50b0, 0x86acef8, 100001, 0xbf8228e8) | glXCreateContext(0x86a50b0, 0x86acef8, (nil), 1) E! Child process exited W! Program termination forced! And the code that fails: #include <SFML/Graphics.hpp> #define GL_GLEXT_PROTOTYPES 1 #define GL3_PROTOTYPES 1 #include <GL/gl.h> #include <GL/glu.h> #include <GL/glext.h> int main(){ sf::RenderWindow window{ sf::VideoMode(800, 600), "Test SFML+GL" }; bool running = true; while( running ){ sf::Event event; while( window.pollEvent(event) ){ if( event.type == sf::Event::Closed ){ running = false; }else if(event.type == sf::Event::Resized){ glViewport(0, 0, event.size.width, event.size.height); } } window.display(); } return 0; } Is It posible to solve this problem? or get around the problem to continue the gslsDevil use?.

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  • Permission based Authorization vs. Role based Authorization - Best Practices - 11g

    - by Prakash Yamuna
    In previous blog posts here and here I have alluded to the support in OWSM for Permission based authorization and Role based authorization support. Recently I was having a conversation with an internal team in Oracle looking to use OWSM for their Web Services security needs and one of the topics was around - When to use permission based authorization vs. role based authorization? As in most scenarios the answer is it depends! There are trade-offs involved in using the two approaches and you need to understand the trade-offs and you need to understand which trade-offs are better for your scenario. Role based Authorization: Simple to use. Just create a new custom OWSM policy and specify the role in the policy (using EM Fusion Middleware Control). Inconsistent if you have multiple type of resources in an application (ex: EJBs, Web Apps, Web Services) - ex: the model for securing EJBs with roles or the model for securing Web App roles - is inconsistent. Since the model is inconsistent, tooling is also fairly inconsistent. Achieving this use-case using JDeveloper is slightly complex - since JDeveloper does not directly support creating OWSM custom policies. Permission based Authorization: More complex. You need to attach both an OWSM policy and create OPSS Permission authorization policies. (Note: OWSM leverages OPSS Permission based Authorization support). More appropriate if you have multiple type of resources in an application (ex: EJBs, Web Apps, Web Services) and want a consistent authorization model. Consistent Tooling for managing authorization across different resources (ex: EM Fusion Middleware Control). Better Lifecycle support in terms of T2P, etc. Achieving this use-case using JDeveloper is slightly complex - since JDeveloper does not directly support creating/editing OPSS Permission based authorization policies.

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  • C# - How to store and reuse queries

    - by Jason Holland
    I'm learning C# by programming a real monstrosity of an application for personal use. Part of my application uses several SPARQL queries like so: const string ArtistByRdfsLabel = @" PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT ?artist WHERE {{ {{ ?artist rdf:type <http://dbpedia.org/ontology/MusicalArtist> . ?artist rdfs:label ?rdfsLabel . }} UNION {{ ?artist rdf:type <http://dbpedia.org/ontology/Band> . ?artist rdfs:label ?rdfsLabel . }} FILTER ( str(?rdfsLabel) = '{0}' ) }}"; string Query = String.Format(ArtistByRdfsLabel, Artist); I don't like the idea of keeping all these queries in the same class that I'm using them in so I thought I would just move them into their own dedicated class to remove clutter in my RestClient class. I'm used to working with SQL Server and just wrapping every query in a stored procedure but since this is not SQL Server I'm scratching my head on what would be the best for these SPARQL queries. Are there any better approaches to storing these queries using any special C# language features (or general, non C# specific, approaches) that I may not already know about?

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  • Prevent Eclipse Java Builder from Compiling Java-Like Source

    - by redjamjar
    I'm in the process of writing an eclipse plugin for my programming language Whiley (see http://whiley.org). The plugin is working reasonably well, although there's lots to do. Two pieces of the jigsaw are: I've created a "Whiley Builder" by subclassing incremental project builder. This handles building and cleaning of "*.whiley" files. I've created a content-type called "Whiley Source Files" for "*.whiley" files, which extends "org.eclipse.jdt.core.javaSource" (this follows Andrew Eisenberg suggestion). The advantage of having the content-type extend javaSource is that it immediately fits into the package explorer, etc. In principle, I could fleshout ICompilationUnit to provide more useful info, although I haven't done that yet. The disadvantage is that the Java builder is trying to compile my whiley files ... and it obviously can't. Originally, I had the Java Builder run first, then the Whiley builder. Superficially, this actually worked out quite well since all of the errors from the Java Builder were discarded by the Whiley Builder (for whiley files). However, I actually want the Whiley Builder to run first, as this is the best way for me to resolve dependencies between Java and Whiley files. Which leads me to my question: can I stop the Java builder from trying to compile certain java-like resources? Specifically, in my case, those with the "*.whiley" extension. As an alternative, I was wondering whether my Whiley Builder could somehow update the resource delta to remove those files which it has dealt with. Thoughts?

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  • OO Design, how to model Tonal Harmony?

    - by David
    I have started to write a program in C++ 11 that would analyse chords, scales, and harmony. The biggest problem I am having in my design phase, is that the note 'C' is a note, a type of chord (Cmaj, Cmin, C7, etc), and a type of key (the key of Cmajor, Cminor). The same issue arises with intervals (minor 3rd, major 3rd). I am using a base class, Token, that is the base class for all 'symbols' in the program. so for example: class Token { public: typedef shared_ptr<Token> pointer_type; Token() {} virtual ~Token() {} }; class Command : public Token { public: Command() {} pointer_type execute(); } class Note : public Token; class Triad : public Token; class MajorTriad : public Triad; // CMajorTriad, etc class Key : public Token; class MinorKey : public Key; // Natural Minor, Harmonic minor,etc class Scale : public Token; As you can see, to create all the derived classes (CMajorTriad, C, CMajorScale, CMajorKey, etc) would quickly become ridiculously complex including all the other notes, as well as enharmonics. multiple inheritance would not work, ie: class C : public Note, Triad, Key, Scale class C, cannot be all of these things at the same time. It is contextual, also polymorphing with this will not work (how to determine which super methods to perform? calling every super class constructors should not happen here) Are there any design ideas or suggestions that people have to offer? I have not been able to find anything on google in regards to modelling tonal harmony from an OO perspective. There are just far too many relationships between all the concepts here.

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  • Advantages of Singleton Class over Static Class?

    Point 1)Singleton We can get the object of singleton and then pass to other methods.Static Class We can not pass static class to other methods as we pass objectsPoint 2) Singleton In future, it is easy to change the logic of of creating objects to some pooling mechanism. Static Class Very difficult to implement some pooling logic in case of static class. We would need to make that class as non-static and then make all the methods non-static methods, So entire your code needs to be changed.Point3:) Singleton Can Singletone class be inherited to subclass? Singleton class does not say any restriction of Inheritence. So we should be able to do this as long as subclass is also inheritence.There's nothing fundamentally wrong with subclassing a class that is intended to be a singleton. There are many reasons you might want to do it. and there are many ways to accomplish it. It depends on language you use.Static Class We can not inherit Static class to another Static class in C#. Think about it this way: you access static members via type name, like this: MyStaticType.MyStaticMember(); Were you to inherit from that class, you would have to access it via the new type name: MyNewType.MyStaticMember(); Thus, the new item bears no relationships to the original when used in code. There would be no way to take advantage of any inheritance relationship for things like polymorphism. span.fullpost {display:none;}

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