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• XRDP crashes when using xfce desktop

  - by user291721

  I've been struggling with this for a few days. Currently using Ubuntu 14.04. I started out trying to use VNC and could connect but only received a black and white checkered screen when connecting using tightvnc from my windows machine. Seems that applications seem to have issues interpreting the gnome graphics. I then tried XRDP and received the same issue but was able to find enough information to get by this issue. After creating a .xsession file and setting the desktop to spawn an xfce4-session I was able to connect and the desktop displays, at least for a few seconds. After a couple seconds rdp crashes and I'm unable to connect again until I restart the xrdp service. Any help would be appreciated. Thanks

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• New CodePlex Project&ndash;SPDeployRetract

  - by PointsToShare

  I have just finished a new CodePlex project named SPDeployRetract. This is a sophisticated PowerShell script that allows you to to deploy solutions and InfoPath forms with ease. It is especially beneficial because once you set up the instructions in the xml input, you can repeat the process in farm after farm without error. The script also allows for easy retraction. You may always retract the last deployment by setting the instructions to do so. This is possible because every action taken is recorded and old versions of each WSP are backed up for redeployment. Look it up in: http://spdeployretract.codeplex.com/ That’s all Folks!!

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• Gtk theme change doesn't apply to kde apps?

  - by Stefan Monov

  I changed the systemwide ambiance theme a bit (specifically the scrollbar css), and this works fine in gtk apps, but in kde apps nothing has changed. They still have the vanilla ambiance look. I tried rebooting too. Btw I've disabled overlay scrollbars. I looked at this question: Why don't Qt4 apps in Lubuntu pick up the GTK theme? and tried setting the Gtk+ theme in qtconfig but that didn't help. The look remains the same. Changing the theme in qtconfig to another one, such as QtCurve, does have an effect though.

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• Is there an equivalent of RDP?

  - by detly

  The "Desktop Sharing" settings that come installed by default seem to use VNC. VNC is a bit of a bandwidth hog, can only work at the resolution of whatever screen is attached to the host, and mirrors every action on the host. (It also seems to work poorly with compositing, but maybe that's been fixed.) I know about X tunnelling, but that's annoying to use and doesn't always work properly (or, more accurately, some apps don't work properly). Is there any kind of protocol in between the two, similar to RDP used for Windows? Specifically, something that can run at a different resolution to the host screen and is a little lighter on the network? (Ideally, the more the protocol could have in common with RDP, the better.)

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• HTML5 - check if font has loaded

  - by espais

  At present I load my font for my game in with @font-face For instance: @font-face { font-family: 'Orbitron'; src: url('res/orbitron-medium.ttf'); } and then reference it throughout my JS implementation as such: ctx.font = "12pt Orbitron"; where ctx is my 2d context from the canvas. However, I notice a certain lag time while the font is downloaded to the user. Is there a way I can use a default font until it is loaded in? Edit - I'll expand the question, because I hadn't taken the first comment into account. What would the proper method of handling this be in the case that a user has disabled custom fonts?

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• Possible / How to render to multiple back buffers, using one as a shader resource when rendering to the other, and vice versa?

  - by Raptormeat

  I'm making a game in Direct3D10. For several of my rendering passes, I need to change the behavior of the pass depending on what is already rendered on the back buffer. (For example, I'd like to do some custom blending- when the destination color is dark, do one thing; when it is light, do another). It looks like I'll need to create multiple render targets and render back and forth between them. What's the best way to do this? Create my own render textures, use them, and then copy the final result into the back buffer. Create multiple back buffers, render between them, and then present the last one that was rendered to. Create one render texture, and one back buffer, render between them, and just ensure that the back buffer is the final target rendered to I'm not sure which of these is possible, and if there are any performance issues that aren't obvious. Clearly my preference would be to have 2 rather than 3 default render targets, if possible.

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• After install of kubuntu-full, no longer have access to Unity login

  - by ResidentBiscuit

  I installed Ubuntu 13.10 about a week ago. Just today I went ahead and installed kubuntu-full to get KDE and it's associated programs. I want to keep the Unity login screen though (default when you install Ubuntu). I can't seem to get this working. Doing a 'sudo dpkg-reconfigure gdm' or 'sudo dpkg-reconfigure lightdm' and choosing either one of those does not get me there. If I choose gdm, I just end up with a gnome login screen. If I pick lightdm, I end up with a KDE login screen. Doesn't seem to be an option for choosing the unity login screen (whatever it's called). Any assistance?

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• Polipo dpkg failure problem [closed]

  - by ICXC

  Possible Duplicate: polipo E: Sub-process /usr/bin/dpkg returned an error code (1) This is the error I get each time I try to install polipo with the command apt-get install polipo or when I try to install it from Ubuntu software center: Starting polipo: Couldn't open config file /etc/polipo/config: 2. invoke-rc.d: initscript polipo, action "start" failed. dpkg: error processing polipo (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: polipo Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1) Setting up polipo (1.0.4.1-1.1) ... Starting polipo: Couldn't open config file /etc/polipo/config: 2. invoke-rc.d: initscript polipo, action "start" failed. dpkg: error processing polipo (--configure): subprocess installed post-installation script returned error exit status 1 How can I solve this?

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• Environment font size is too small

  - by Adobe

  So I've chosen a font by System Settings - Application Appearance - Fonts And there I've adjusted all fonts to be of 14th size. And also checked "Use my KDE fonts..." in Gtk+ appearance. I've also did the same using kdesudo systemsettings But still some fonts are tiny! It's not the 14th size! Edit 2: I thought it might be one of Gnome font settings. So I've increased all fonts in gnome-tweak-tool sudo gnome-tweak-tool gconf-editor sudo gconf-editor No help! Edit: Ubuntu tweak also gives no help (note the tiny fonts!): Edit: It looks like the problem is with gtk3: when I compile emacs 24.0.92 with gtk3 - i get small menu fonts. When I do the same with a default gtk2 - everything is all right.

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• Need Help to fix hmtl.sty not found error

  - by GGS

  I installed texlive 2012 on ubuntu 12.04 LTS 64 bit machine following the instructions given in the following web How do I install the latest TeX Live 2012? After, a successful installation( I think), I got the following error when I do a pdflatex to compile a give tex file This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012/Debian) restricted \write18 enabled. entering extended mode (./user_guide.tex LaTeX2e <2011/06/27 Babel and hyphenation patterns for english, dumylang, nohyphenation, lo aded. (/usr/share/texlive/texmf-dist/tex/latex/base/article.cls Document Class: article 2007/10/19 v1.4h Standard LaTeX document class (/usr/share/texlive/texmf-dist/tex/latex/base/size12.clo)) ! LaTeX Error: File `html.sty' not found. Type X to quit or to proceed, or enter new name. (Default extension: sty) so would you help me in getting a solution? Thank you in advance

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• Connect players with same phone language settings

  - by Abin George

  I am working on a turn-based multiplayer game using game center. The game also use Spanish localisation. It is enabled by reading the device language settings. Now my requirement is: When i start a turn based match, my opponent should have the same language setting in his/her phone as I am having. How can I make this possible. I use the following code to connect - (void)findTurnBasedMatchWithViewcontroller:(UIViewController *)viewController forDelegate:(id)argDelegate { self.delegate = argDelegate; presentingViewController = viewController; GKMatchRequest *request = [[GKMatchRequest alloc] init]; request.minPlayers = 2; request.maxPlayers = 2; [manager setCurrentGameType:kTurnBased]; GKTurnBasedMatchmakerViewController *mmvc = [[GKTurnBasedMatchmakerViewController alloc] initWithMatchRequest:request]; mmvc.turnBasedMatchmakerDelegate = self; mmvc.showExistingMatches = NO; [presentingViewController presentViewController:mmvc animated:YES completion:^(void) { }]; }

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• Remote Desktop between Ubuntu Machines

  - by user19192

  My desktop and my laptop are connected to the same router. I want to be able to remote login from my laptop to my desktop. Laptop is 12.04 and desktop is 12.10. I tried putting xrdp on my desktop, but remmina wouldn't work with it. I also tried the default screen-sharing, but it was very slow. Also tried rdesktop but it was very slow. I am on 12.10, FreeNX looks like a good option but they don't have a 12.10 release. And when I tried to install the 12.04 release, I got errors about dependencies missing. How can I get local-feeling remote login speeds?

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• Can't login to my XFCE environment from lxdm

  - by Noob

  I installed lxdm as my display manager because I heard its very lightweight. Now after installing it when I select my Desktop as Xfce session I am not able to login. Basically what happens is it waits for sometime and than reload the same login page. On the other hand if I select lxde as my Desktop I am able to login. So, what am I doing wrong here. The other problem I am facing with lxdm is it doesn't show my default user account. I have to select more and enter both my username and password to login into any session.

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• Network printer gets disabled occasionally

  - by Yossi Farjoun

  I'm running Ubuntu 10.04 and have a HP-Laserjet-3005P network printer. Occasionally (perhaps related to rebooting) the printer, which is setup as the default printer, becomes disabled. After realizing that I'm not getting anything printed, I must then open printing preferences and click on "enabled". Then it prints happily until the next time that it becomes disabled... Any ideas why this is happening and/or how I could fix it? I know I'm giving very little information, I can't think of anything else to give...if there's something I should be providing, please let me know.

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• SSH Lost Terminal Colors

  - by memecs

  I have to computers with exactly the same configuration (same PS1 etc...). When I ssh from A to B the terminal correctly displays PS1 and file type colors (i.e. blue directories, green executables etc.) But when I ssh from B to A PS1 is set to default and colors disappear. Furthermore, I created public keys to ssh without password from A to B and vice-versa. It works correctly from A to B but it doesn't work from B to A, again I repeated the exact same procedure on both pc: On Host A ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.B On Host B ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.A What could be the problem?

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• Printer Sharing Issue

  - by Sean Webber

  So I set up my printer on 12.10 to share via SAMBA. Windows 'sees' it, it will install it on windows (I have the printer driver installs but it asks for it in Windows default list.. ?), then I can print a test page to the ubuntu printer from Windows. But If I try to print something in Notepad/Wordpad it says 'Printing' but doesn't add it to the "See whats printing" list. If you do it in Google Chrome, however, it works. Any ideas?

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• Print Problem: Page Squeezed in Half

  - by iam

  I've just managed to successfully set up my printer (Canon MX320) using the Printing app on Ubuntu 12.04. However the only 1 remaining problem is that each time I tried to print it will only print the file on the top half of the page only: meaning that for some reason, the printer "squeezes" the whole content of each page in the file to fit into the top half of the page only (so the proportion in the print-out is not correct vertically). This happens with every type of file I tried to print (Documents, Images, Web pages). I checked the Printing's setting & properties and couldn't find anything related to this issue yet and I've already made sure to set all the information correct (paper size, source etc.). The Print Preview always display correctly on the screen, but it's only the actual print-out that shows this problem. I also tried with several different types of papers (A4, photos etc.) but the result is always the same: the printer keeps putting the content in the top half of the paper only.

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• Why do programming language (open) standards cost money?

  - by fish

  Isn't it counter-productive to ask for 384 Swiss franks for C11 or 352 Swiss franks for C++11, if the aim is to make the standards widely adopted? Please note, I'm not ranting at all, and I'm not against paying; I would like to understand the rationale behind setting the prices as such, especially knowing that ISO is network of national standard institutes (i.e. funded by governments). And I also doubt that these prices would generate enough income to fund an organization like that, so there must be another reason.

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• Silverlight 4 + RIA Services: Ready for Business: Updating Data in the Client

  To continue our series, lets look at updating the data.  I have created a Plates.xaml page with very similar structure to the above.    For details on how I created this page, check out my PDC 09 demo walk through.    Now lets look at updating the Plate data.. First we will create some default form UI by dragging an entity from the datasources window in much the same way we did above.  But before we create the UI, notice the order of the fields it...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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• Changing the rendering resolution while maintaining the design layout

  - by Coyote

  I would like to increase the FPS of my project. Currently I would like to try reducing the resolution at which the scenes are rendered. Let's say I never want to draw more than 1280*720. What ever the real resolution is. How should I proceed? I tried pEGLView->setFrameSize(1280, 720); but only reduces the displayed size of the frame on screen (boxing). In my activity I tried setting the size of the "surface" but this seems to completely break the layout (as defined by setDesignResolutionSize). @Override public Cocos2dxGLSurfaceView onCreateView() { Cocos2dxGLSurfaceView surfaceView = new Cocos2dxGLSurfaceView(this); surfaceView.getHolder().setFixedSize(1280, 720); return surfaceView; } Is there a way to simply change the rendered

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• Get script for every action in SQL Server Management Studio

  I am always conscious to keep a record of all operations performed on my database servers. Operations through T-SQL in an SSMS query pane can easily be saved in query files. For table modifications through SSMS designer I have predefined setting to generate T-SQL scripts. However there are numerous database and server level tasks that I use the SSMS GUI and I would like to have a script of these changes for later reference. Examples of such actions through the SSMS GUI are backup/restore, changing compatibility level of a database, manipulating permissions, dealing with database or log files or creating/manipulating any login/user. I am looking for any way to generate T-SQL code for such actions, so that it may be kept for later reference

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• RPi and Java Embedded: Hard-Float Support is Here!!!

  - by hinkmond

  You wanted Java Embedded with Hardware Floating Point support to install on a default Raspian environment for your Raspberry Pi? Well, you just got your wish. Merry Christmas! See: Developer JDK 8 for ARM w/Hard-Float Here's a quote: The Java SE 8 Developer Preview Release for ARM including JavaFX (JDK 8) on Linux has been made available at http://jdk8.java.net. The Developer Preview is provided to the community to get feedback on the ongoing progress of the project. Developers can start developing applications using this build of Java SE 8 on an ARM device, such as the a Raspberry Pi. It's a regular JDK (Java SE 8 preview) for your Raspberry Pi, so you should note this means there is a javac (and the other typical JDK tools) available to compile your Java apps right there on the device! Woot! I'll cover step-by-step instructions how to do that in a future blog post. Stay tuned... Hinkmond

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• How can I use smbclient to connect to Windows shares by hostname when a firewall is enabled?

  - by skyblue

  I can't connect to file shares on Windows computers using smbclient -L //hostname when the firewall is enabled. This occurs whether I'm using ufw (which allows outgoing traffic and replies back in with the default configuration) or iptables (where I'm allowing outgoing traffic and replies back in with iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT). However, smbclient -L //ip-address works whether the firewall is enabled or not. I also tested this against a Samba server running on Ubuntu and again smbclient -L //hostname does not work when the firewall is enabled, but smbclient -L //ip-address works whether the firewall is enabled or not. For reference, here are the iptables rules I used during testing: *filter :INPUT DROP [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -d 224.0.0.251/32 -p udp -m udp --dport 5353 -j ACCEPT COMMIT

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• The rule of 5 - to use it or not?

  - by VJovic

  The rule of 3 (the rule of 5 in the new c++ standard) states : If you need to explicitly declare either the destructor, copy constructor or copy assignment operator yourself, you probably need to explicitly declare all three of them. But, on the other hand, the Martin's "Clean Code" advises to remove all empty constructors and destructors (page 293, G12:Clutter) : Of what use is a default constructor with no implementation? All it serves to do is clutter up the code with meaningless artifacts. So, how to handle these two opposite opinions? Should empty constructors/destructors really be implemented?

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• Avoid overwriting of logs

  - by Koppar

  What usually happens is, the logs get filled up and begin getting overwritten, which makes them useless. To avoid it, use these 2 properties in the logging.properties file to suit your requirement: java.util.logging.FileHandler.count  = x (it is 1 by default, increase it to a bigger value) This number specifies the number of log files that can be created before overwriting starts. For instance, if you set it to 5, java0.log, java1.log ... java5.log will be created to log details so more information can be captured Likewise, java.util.logging.FileHandler.limit  would specify the size of each log.

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