x11

问题 I'm running R-shiny (R version 3.0.1 (2013-05-16)) on a VM (Red Hat Enterprise Linux Server release 6.4). Everything works, i.e., server starts up, and application runs etc... as long as I don't try to plot a graph renderPlot I then see on the main panel a message [error : unable to start device png]. I would post my whole code but this problem I think has to do with rendering plots as when I use renderText and spit out some data it works just fine. Actually when I just type in png() in R I

问题 I have read Gdk forum link which says that getting num lock state api is implemented since version 3.0. But I am using version 2.4 and I cannot update to version 3.0 as I need to support lower Linux version. Here is the discussion link: http://mail.gnome.org/archives/commits-list/2010-July/msg00259.html SO, is there any other way to get the num lock state using internal Linux command? Regards, iSight 回答1: Sample code to get the NumLock state. Let foo.c be: #include <stdio.h> #include <X11

问题 When using gdb and Vim, often I want to stop on a particular line. Normally in Vim I copy-paste the line number showing on the rule area to the gdb session. It'd save me a lot of hassle if I could use something like "+<magic-incantation> to copy the line number of the current cursor position into the xclipboard buffer. Is this possible? 回答1: put this in your vimrc map ,n <Esc>:let @*=line(".")<CR> then using , n will copy the current line number into the clipboard 回答2: So the magic line is:

问题 I am starting to get into R development and I was following a tutorial that in a certain point opens the "X11" to display graphics but when that window opens I get the following error: Error in axis(side = side, at = at, labels = labels, ...) : could not find any X11 fonts Check that the Font Path is correct. In addition: Warning messages: 1: In function (display = "", width, height, pointsize, gamma, bg, : locale not supported by Xlib: some X ops will operate in C locale 2: In function

问题 Yes, this question has been asked before, but reading the answers didn't enlighten me much. I wrote a C program that crashes after a few days of use. An important point is that it does NOT generate a core file, even though everything is set up so that it should (core_pattern, ulimit -c unlimited, etc. I can trigger a core dump fine with kill -SIGQUIT). The programs extensively logs what it does, but there's no hint about the crash in the log. The only message displayed at the crash (or before

问题 I am writing a QT application and I need to embed a terminal (we say,xterm) within a QDialog, like some KDE application (see kdevelop/kate/...). I've been trying with: - QX11EmbedContainer placed into the QLayout of my QDialog - QProcess for the program I want to excecute I expect the QProcess running within the QX11EmbedContainer, but it does not work. The problem is that I can't put the xterm into the QX11EmbedContainer, the only thing I obtain is an xterm window (unfortunately separated

问题 I am using emacs-snapshot with the ssh.el package, following the instructions from the ess manual. There are a few ways to open an R session, but this is how I do it: open emacs C-x C-f /server:dir/file.R this puts me in ESS [S] mode Type 'plot(1)' C-c C-n to run emacs asks for starting directory, and I choose the /server:dir/ I would like for a figure to pop up but it wont. This also doesn't work when using ess-remote in shell or tramp mode, but it does work if I set the starting directory

问题 I am trying to create a Linux application - a screensaver, in this case - and it is proving remarkably difficult to find information on the simple task of making a window full-screen. Even the code of existing screensavers makes no mention of how they manage it, and I've yet to see any obvious function like XRemoveDecoration() . After much fumbling around, I did manage to create a window that's the same size as the desktop, with this: Window win = DefaultRootWindow(disp); XWindowAttributes

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last year . I get the following error if I login as root; if I login as admin user, then x11 starts with no problems. Ubuntu 14.04 Xming server 2.0 running on Windows 8.1 PuTTY X11 proxy: Unsupported authorisation protocol java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment at java.lang

问题 I am tring to open an OpenGL full screen window using GLFW on linux red-hat. I have a desktop that spans two monitors with total resolution of 3840*1080. I have two problems: 1. The window is opened just on one monitor with maximum window width of 1920 (the width of a single monitor). 2. The maximum height of the window is 1003 (which I think is the height of the screen minus the height of the task bar and the top bar). This is the code I use to open the window: if (glfwInit() == GL_FALSE)