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  • On Linux, how do I run a GUI app from a terminal shell under a different login?

    - by Eric
    Here's the deal. I logged into a Linux box (CentOS, but that shouldn't matter) as user A. I had to build a program as user B, so I started up a terminal shell, logged into that shell as B, and built it. When I try to run the app, I get this message: "connect to ":0.0" refused by server" Most likely because the current X Windows session is owned by user A, and as B, I don't have permissions to access A's stuff. Is there a correct way to solve this. Any incorrect ways?

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  • How to map a key to a file explorer shell extension?

    - by Tony_Henrich
    I have a file explorer shell extension called "Copy File Path" or "Copy Folder Path", depending on which pane I am in in file explorer, which copies the full path of a file or a folder to the clipboard. Because it's very handy for me, I use it many times during the day. To make it more productive, I would like to assign a function key to it instead of using the right mouse click context menu, looking for it in the menu (big menu because of many extensions) and selecting it. The way I want to use it is select the file with the mouse and hit the function key. Is there a utility or tool, tray taskmaybe, which can add this functionality to Windows?

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  • Invoking an MMC Snap-in function from Windows command shell: is it possible?

    - by robob
    Sorry for the cross post on Superuser, but I cannot see any answer to my question, so I try to ask the same question here. I need to execute a MMC Snap-in function from the Command Shell of a Windows computer. I need it to schedule this command in the same Windows PC and executes in background. Probably this questions could seem a little bit strange but I have a program that creates a debug log only through its MMC Snap-in console. And I need to automatise this task to programatically read this log! Dows anyone know how to do this? thanks

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  • Convert shell logs (incl. escape characters) to HTML?

    - by dehmann
    Is there tool or a regexp that can convert shell escape characters to HTML code? As an example, here is a logfile from GNU screen: ^MESC[K$ ^MESC[K$ exit Executing .bashrc ESC[00;31;31mserver.xyz.com: ESC[00;34;34m~ which I would like to convert to something like this: $ exit Executing .bashrc <font color=red>server.xyz.com</font>: <font color=blue>~</font> and send as HTML e-mail to an e-mail address, to archive my work. Here is a related question, which shows how to convert it to regular text, but it would be nice to convert to HTML and not just throw the escape characters away.

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  • Chain LINQ IQueryable, and end with Stored Procedure

    - by Alex
    I'm chaining search criteria in my application through IQueryable extension methods, e.g.: public static IQueryable<Fish> AtAge (this IQueryable<Fish> fish, Int32 age) { return fish.Where(f => f.Age == age); } However, I also have a full text search stored procedure: CREATE PROCEDURE [dbo].[Fishes_FullTextSearch] @searchtext nvarchar(4000), @limitcount int AS SELECT Fishes.* FROM Fishes INNER JOIN CONTAINSTABLE(Fishes, *, @searchtext, @limitcount) AS KEY_TBL ON Fishes.Id = KEY_TBL.[KEY] ORDER BY KEY_TBL.[Rank] The stored procedure obviously doesn't return IQueryable, however, is it possible to somehow limit the result set for the stored procedure using IQueryable's? I'm envisioning something like .AtAge(5).AboveWeight(100).Fishes_FulltextSearch("abc"). In this case, the fulltext search should execute on a smaller subset of my Fishes table (narrowed by Age and Weight). Is something like this possible? Sample code?

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  • Finding matches between multiple JavaScript Arrays

    - by Chris Barr
    I have multiple arrays with string values and I want to compare them and only keep the matching results that are identical between ALL of them. Given this example code: var arr1 = ['apple', 'orange', 'banana', 'pear', 'fish', 'pancake', 'taco', 'pizza']; var arr2 = ['taco', 'fish', 'apple', 'pizza']; var arr3 = ['banana', 'pizza', 'fish', 'apple']; I would like to to produce the following array that contains matches from all given arrays: ['apple', 'fish', 'pizza'] I know I can combine all the arrays with var newArr = arr1.concat(arr2, arr3); but that just give me an array with everything, plus the duplicates. Can this be done easily without needing the overhead of libraries such as underscore.js? (Great, and now i'm hungry too!) EDIT I suppose I should mention that there could be an unknown amount of arrays, I was just using 3 as an example.

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  • Unity launcher doesn't appear in VNC session

    - by Lorin Hochstein
    I'd like to have a unity desktop accessible via VNC on a precise server machine I have running. I installed the ubuntu-desktop package. I'm launching a VNC session with the following in my ~/.vnc/xstartup file: !/bin/sh xrdb $HOME/.Xresources xsetroot -solid grey export XKL_XMODMAP_DISABLE=1 gnome-session --session=ubuntu-2d What could the issue be here? The content of my /usr/share/gnome-session/sessions/ubuntu-2d.session file (this is what 12.04 puts there by default) is: [GNOME Session] Name=Ubuntu 2D RequiredComponents=gnome-settings-daemon; RequiredProviders=windowmanager;panel;shell; DefaultProvider-windowmanager=metacity DefaultProvider-panel=unity-2d-panel DefaultProvider-shell=unity-2d-shell DesktopName=Unity I don't know anything about unity-2d, but I guessed that the default session was not configured to use the launcher. I tried making the following modifications: [GNOME Session] Name=Ubuntu 2D RequiredComponents=gnome-settings-daemon; RequiredProviders=windowmanager;panel;shell;launcher; DefaultProvider-windowmanager=metacity DefaultProvider-panel=unity-2d-panel DefaultProvider-shell=unity-2d-shell DefaultProvider-launcher=unity-2d-launcher DesktopName=Unity But I got the following warning in my VNC log file: gnome-session[10354]: WARNING: Unable to find default provider 'qr' of required provider 'launcher' And the VNC session wouldn't even start with that configuration.

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  • nginx does not use variables set in /etc/environment on system reboot, but does when restarted from shell

    - by Dave Nolan
    I have a Rails app running on nginx/passenger. It restarts happily in a shell using sudo /etc/init.d/nginx stop|start|restart. But Passenger throws an error when the system is rebooted: "Missing the Rails #{version} gem". But GEM_HOME and GEM_PATH are both set in /etc/environment so surely they would be available to all processes during reboot? /etc/environment PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games" GEM_HOME=/var/lib/gems/1.8 GEM_PATH=/var/lib/gems/1.8 /etc/init.d/nginx #! /bin/sh ### BEGIN INIT INFO # Provides: nginx # Required-Start: $all # Required-Stop: $all # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: starts the nginx web server # Description: starts nginx using start-stop-daemon ### END INIT INFO PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DAEMON=/opt/nginx/sbin/nginx NAME=nginx DESC=nginx test -x $DAEMON || exit 0 # Include nginx defaults if available if [ -f /etc/default/nginx ] ; then . /etc/default/nginx fi set -e case "$1" in start) echo -n "Starting $DESC: " start-stop-daemon --start --quiet --pidfile /var/log/nginx/$NAME.pid \ --exec $DAEMON -- $DAEMON_OPTS echo "$NAME." ;; stop) echo -n "Stopping $DESC: " start-stop-daemon --stop --quiet --pidfile /var/log/nginx/$NAME.pid \ --exec $DAEMON echo "$NAME." ;; restart|force-reload) echo -n "Restarting $DESC: " start-stop-daemon --stop --quiet --pidfile \ /var/log/nginx/$NAME.pid --exec $DAEMON sleep 1 start-stop-daemon --start --quiet --pidfile \ /var/log/nginx/$NAME.pid --exec $DAEMON -- $DAEMON_OPTS echo "$NAME." ;; reload) echo -n "Reloading $DESC configuration: " start-stop-daemon --stop --signal HUP --quiet --pidfile /var/log/nginx/$NAME.pid \ --exec $DAEMON echo "$NAME." ;; *) N=/etc/init.d/$NAME echo "Usage: $N {start|stop|restart|force-reload}" >&2 exit 1 ;; esac exit 0 $ opt/nginx/sbin/nginx -v nginx version: nginx/0.7.67 Ubuntu lucid

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  • How to create a "Shell IDList Array" to support drag-and-drop of virtual files from C# to Windows Ex

    - by JustABill
    I started trying to implement drag-and-drop of virtual files (from a C# 4/WPF app) with this codeplex tutorial. After spending some time trying to figure out a DV_E_FORMATETC error, I figured out I need to support the "Shell IDList Array" data format. But there seems to be next to zero documentation on what this format actually does. After some searching, I found this page on advanced data transfer which said that a Shell IDList Array was a pointer to a CIDA structure. This CIDA structure then contains the number of PIDLs, and a list of offsets to them. So what the hell is a PIDL? After some more searching, this page sort of implies it's a pointer to an ITEMIDLIST, which itself contains a single member that is a list of SHITEMIDs. My next idea was to try dragging a file from another application with virtual files. I just got a MemoryStream back for this format. At least I know what class to provide for the thing, but that doesn't help at all for explaining what to put in it. So now that that's explained, I still have no idea how to create one of these things so that it's valid. There's two real questions here: What is a valid "abID" member for a SHITEMID? These virtual files only exist with my program; will the thing they are dragged to pass the "abID" back later when it executes GetData? Do they have to be system-unique? Why are there two levels of lists; a list of PIDLs and each PIDL has a list of SHITEMIDs? I'm assuming one of them is one for each file, but what's the other one for? Multiple IDs for the same file? Any help or even links that explain what I should be doing would be greatly appreciated.

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  • how to call more than 1 batch files in a vbscript?

    - by sushant
    i use following code to call a batch file: dim shell set shell=createobject("wscript.shell") shell.run "a.bat D:\a" set shell=nothing how do i call more than 1 batch files, so that when 1st file's execution is over, the 2nd file is executed. as always, i really appreciate any help offered.

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  • passing variable from vbscript to batch file

    - by sushant
    i am using vbscript to call a batch file. my script looks like: dim shell set shell=createobject("wscript.shell") shell.run "a.bat" set shell=nothing my batch file is simple and looks like: D: cd D:\d winzip32.exe -min -a D:\a i want to pass a variable from a script to the batch file. lets say the destination folder. how do i do that? any help is very much appreciated.

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  • need help writing an emacs function

    - by murtaza52
    I want to write an emacs function that does the following - 1) Start a new shell named "abc". 2) Change the dir "/opt/abc" 3) In the dir run a shell command "python abc.py" I have written the following fucntion - (defun abc-server () (interactive) (shell-command "cd /opt/abc/") (shell-command "python abc.py")) The problem with the above - 1) It doesnt start a new shell 2) It doesnt change the dir. 3) When the cmd executes, it opens a browser window, which completely blocks any usage of emacs.

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  • How to improve this bash shell script for turning hardlinks into symlinks?

    - by MountainX
    This shell script is mostly the work of other people. It has gone through several iterations, and I have tweaked it slightly while also trying to fully understand how it works. I think I understand it now, but I don't have confidence to significantly alter it on my own and risk losing data when I run the altered version. So I would appreciate some expert guidance on how to improve this script. The changes I am seeking are: make it even more robust to any strange file names, if possible. It currently handles spaces in file names, but not newlines. I can live with that (because I try to find any file names with newlines and get rid of them). make it more intelligent about which file gets retained as the actual inode content and which file(s) become sym links. I would like to be able to choose to retain the file that is either a) the shortest path, b) the longest path or c) has the filename with the most alpha characters (which will probably be the most descriptive name). allow it to read the directories to process either from parameters passed in or from a file. optionally, write a long of all changes and/or all files not processed. Of all of these, #2 is the most important for me right now. I need to process some files with it and I need to improve the way it chooses which files to turn into symlinks. (I tried using things like the find option -depth without success.) Here's the current script: #!/bin/bash # clean up known problematic files first. ## find /home -type f -wholename '*Icon* ## *' -exec rm '{}' \; # Configure script environment # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ set -o nounset dir='/SOME/PATH/HERE/' # For each path which has multiple links # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # (except ones containing newline) last_inode= while IFS= read -r path_info do #echo "DEBUG: path_info: '$path_info'" inode=${path_info%%:*} path=${path_info#*:} if [[ $last_inode != $inode ]]; then last_inode=$inode path_to_keep=$path else printf "ln -s\t'$path_to_keep'\t'$path'\n" rm "$path" ln -s "$path_to_keep" "$path" fi done < <( find "$dir" -type f -links +1 ! -wholename '* *' -printf '%i:%p\n' | sort --field-separator=: ) # Warn about any excluded files # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ buf=$( find "$dir" -type f -links +1 -path '* *' ) if [[ $buf != '' ]]; then echo 'Some files not processed because their paths contained newline(s):'$'\n'"$buf" fi exit 0

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  • Screen -X exec commands not working until manually attached

    - by James Watt
    I have a batch script that starts a java server application inside of a screen. The command looks like this: cd /dir/ && screen -A -m -d -S javascreen java -Xms640M -Xmx1024M -jar javaserverapp.jar nogui After I run the batch script, it starts the server and puts it inside the correct screen. If I list my screens after, I see something like this: user@gtwy /dir $ screen -list There is a screen on: 16180.javascreen (Detached) 1 Socket in /var/run/screen/S-user. However, I have a second batch script that sends automated commands to this server and runs on a different crontab interval. Because of the way the application works, I send commands to it like this (this command tells it to alert connected users "testing 123"): screen -X exec .\!\! echo say testing 123 I've also tried: screen -R -X exec .\!\! echo say testing 123 screen -S javascreen -X exec .\!\! echo say testing 123 Unfortunately, these commands DO NOT WORK. They don't even give me an error message, they just do nothing. HOWEVER - If I manually attach to the screen first (with the below command) and then detach, now I can run any of the above commands flawlessly. I can demonstrate this with a video, if I wasn't clear enough here. screen -r -d Thanks in advance. Update: here is the important parts of /etc/screenrc. It should be totally vanilla, I've never edited this file. # VARIABLES # =============================================================== # No annoying audible bell, using "visual bell" # vbell on # default: off # vbell_msg " -- Bell,Bell!! -- " # default: "Wuff,Wuff!!" # Automatically detach on hangup. autodetach on # default: on # Don't display the copyright page startup_message off # default: on # Uses nethack-style messages # nethack on # default: off # Affects the copying of text regions crlf off # default: off # Enable/disable multiuser mode. Standard screen operation is singleuser. # In multiuser mode the commands acladd, aclchg, aclgrp and acldel can be used # to enable (and disable) other user accessing this screen session. # Requires suid-root. multiuser off # Change default scrollback value for new windows defscrollback 1000 # default: 100 # Define the time that all windows monitored for silence should # wait before displaying a message. Default 30 seconds. silencewait 15 # default: 30 # bufferfile: The file to use for commands # "readbuf" ('<') and "writebuf" ('>'): bufferfile $HOME/.screen_exchange # # hardcopydir: The directory which contains all hardcopies. # hardcopydir ~/.hardcopy # hardcopydir ~/.screen # # shell: Default process started in screen's windows. # Makes it possible to use a different shell inside screen # than is set as the default login shell. # If begins with a '-' character, the shell will be started as a login shell. # shell zsh # shell bash # shell ksh shell -$SHELL # shellaka '> |tcsh' # shelltitle '$ |bash' # emulate .logout message pow_detach_msg "Screen session of \$LOGNAME \$:cr:\$:nl:ended." # caption always " %w --- %c:%s" # caption always "%3n %t%? @%u%?%? [%h]%?%=%c" # advertise hardstatus support to $TERMCAP # termcapinfo * '' 'hs:ts=\E_:fs=\E\\:ds=\E_\E\\' # set every new windows hardstatus line to somenthing descriptive # defhstatus "screen: ^En (^Et)" # don't kill window after the process died # zombie "^["

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  • What programming language(s) could I develop this app with for an iPhone

    - by Keon Davies
    The app I'm thinking of making would be little similar to fruit ninja. The app/ game would involve different types of animals flying straight at and you have to choose the right item to catch the animal before he gets to you. For example to capture a fish you would have to select the net and then click on the fish to capture it. Also I would like to have a leader board too. Which programming language(s) could I use to develop what I just described?

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  • MS Access 2003 - Is there a way to run access (mde) without the access shell around the forms/report

    - by Justin
    So I am not sure if I am asking this correctly; let me explain: IS there a way I can run my MDE without the access shell around the forms/reports? The part that provides the menu, and the little application title. I think it is the overall presentation layer form that all my access stuff sits on, but I am not sure. I am just wondering if you can get rid of it. Thanks

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