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  • How to capture any key in X?

    - by cz-david
    Hi, I am building an application for which I need to periodically get information about users keyboard. It is going to be user idle detection application. I have a fairly simple solution to periodically check if the mouse has been moved. But I can't figure any reasonable non root way to detect if the keyboard has been pressed. I was thinking about registering a hook every timer timeout and on any key press to unregister it. So if there is no key press for a long time then my program will know if the user is idle. Anyway, I couldn't find any global hooks for any key, including modifiers. Is there an easy way to do this? Or would someone have a better way to detect keyboard idleness? Thanks, David Polák

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  • How to use Linq in Mono?

    - by Jader Dias
    I can't make System.Linq (aka. Linq-to-objects) work. I am running MonoDevelop 2.2.1 in Ubuntu 10 Lucid Lynx with Mono 2.4.4. They advertise in their site that they implemented Linq, but I can't even find Enumerable.Range or .ToArray(). What's wrong?

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  • UNIX Parse HTML Page Display Contents of a Tag - One Liner?

    - by NJTechie
    I have an HTML file and I am interested in the data enclosed by <pre> </pre> tags. Is there a one-liner that can do achieve this? Sample file : <html> <title> Hello There! </title> <body> <pre> John Working Kathy Working Mary Working Kim N/A </pre> </body> </html> Output should be : John Kathy Mary Kim Much appreciated guys, thank you!

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  • Installing jdk without sudo?

    - by Legend
    Currently, I have a machine on which I am working in Eclipse, it says that the JRE System Library version is sun-jdk-1.5.0.11 but on my active development machine, it is java-6-sun-1.6.0.16. What is the difference between these two (of course, besides the versioning)? Is there any way I can make the first machine to use the same "java-6-sun-1.6.0.16" version without having sudo permissions on the machine?

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  • Extending Ruby, calling a function from C

    - by ThePower
    Hi, I'm writing an app that calls ruby code from c. I am having a little difficulty and wondered if anyone could point me in the rite direction. I currently have in my C. #include ruby.h main() { ruby_init(); rb_require("myRubyFile"); rb_funcall(rb_module_new(), rb_intern("RubyFunction"), 0, NULL); } My ruby file is in the same directory as my c file and is called myRubyFile.rb and contains a definition of the function RubyFunction(). This is a cut down of what I actually want to do, just making it more readable for others. I just require some feedback as to whether this is the correct method to call ruby code from my c file. Regards

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  • Nexus One Android Debugging in Ubuntu 9.10

    - by Doughy
    I can't get Ubuntu 9.10 to recognize the Nexus One as a debug device. I tried following the instructions found here but they are not working: http://alan.lamielle.net/2010/01/22/nexus-one-usb-in-ubuntu-9-10 Anyone know of a link or know how to get the Nexus One to debug correctly in Ubuntu 9.10?

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  • c++ smtp connection state - starttls

    - by Jackell
    Hi all! I am using openssl to build secure smtp connections to gmail.com:25. So I can successfully connect to the server and sends a command STARTTLS (I receive 220 2.0.0 Ready to start TLS). Then execute the following code without disconnecting: SSL_METHOD* method = NULL; SSL_library_init(); SSL_load_error_strings(); method = SSLv23_client_method(); ctx = SSL_CTX_new(method); if (ctx == NULL) { ERR_print_errors_fp(stderr); } SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2); ssl = SSL_new(ctx); if (!SSL_set_fd(ssl, socket)) { ERR_print_errors_fp(stderr); return; } if (ssl) { if (SSL_connect((SSL*)ssl) < 1) { ERR_print_errors_fp(stderr); } // then i think i need to send EHLO } But after calling SSL_connect I get an error: 24953:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:601: Why? What I do wrong?

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  • AWK If/ElseConditional Problem

    - by neversaint
    I have a data that looks like this: foo foo scaffold_7 1 4845 6422 4845 bar bar scaffold_7 -1 14689 16310 16310 What I want to do is to process the above lines where I just want to print column 1,2,3, 7 and one more column after 7th. But with condition when printing column 7 onwards. Below is my awk script: awk '{ if ($4=="+") { {end=$6-$5}{print $1 "\t" $2 "\t" $3 "\t" $4 "\t" $7 "\t" end+$7} } else {end=$6-$5}{print $1 "\t" $2 "\t" $3 "\t" $4 "\t" $7-end "\t" $7} }' But why it doesn't achieve the desired result like this? foo foo scaffold_7 1 4845 6422 bar bar scaffold_7 -1 14689 16310 Note that the arithmetic (e.g. $7-end or end+$7) is a must. So we can't just swap column from input file. Furthermore this AWK will be inside a bash script.

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  • Headless, scriptable Firefox/Webkit on linux?

    - by Parand
    I'm looking to automate some web interactions, namely periodic download of files from a secure website. This basically involves entering my username/password and navigating to the appropriate URL. I tried simple scripting in Python, followed by more sophisticated scripting, only to discover this particular website is using some obnoxious javascript and flash based mechanism for login, rendering my methods useless. I then tried HTMLUnit, but that doesn't seem to want to work either. I suspect use of Flash is the issue. I don't really want to think about it any more, so I'm leaning towards scripting an actual browser to log in and grab the file I need. Requirements are: Run on linux server (ie. no X running). If I really need to have X I can make that happen, but I won't be happy. Be reliable. I want to start this thing and never think about it again. Be scriptable. Nothing too sophisticated, but I should be able to tell the browser the various steps to take and pages to visit. Are there any good toolkits for a headless, X-less scriptable browser? Have you tried something like this and if so do you have any words of wisdom?

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  • grep for value of keyvaue pair and format

    - by imerez
    When I do the following ps -aef|grep "asdf" I get a list of processes that are running. Each one of my process has the following text in the output: -ProcessName=XXXX I'd like to be able to format the out put so all I get is: The following processes are running: Process A Process B etc..

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  • How can I use aliased commands with xargs?

    - by Nathan Fellman
    I have the following alias in my .aliases: alias gi grep -i and I want to look for foo case-insensitively in all the files that have the string bar in their name: find -name \*bar\* | xargs gi foo This is what I get: xargs: gi: No such file or directory Is there any way to use aliases in xargs, or do I have to use the full version: find -name \*bar\* | xargs grep -i foo Note: This is a simple example. Besides gi I have some pretty complicated aliases that I can't expand manually so easily. Edit: I used tcsh, so please specify if an answer is shell-specific.

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  • Creating Read-only logs with python

    - by Travis
    I am writing a python script that needs to make a log entry whenever it's invoked. The log created by the script must not be changeable by the user (except root) who invoked the script. I tried the syslog module and while this does exactly what I want in terms of file permissions, I need to be able to put the resulting log file in an arbitrary location. How would I go about doing this?

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  • Best Planar graph program

    - by brian
    In graph theory, a planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints. What is the best open source program for drawing the planar graph with support of input nodes size and fixed drawing boundary region

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  • weird characters displayed during serial communication OSX

    - by nemo
    I have tried communicating via serial (OSX w/ prolific drivers - USB RS232 adapter - Tx,Rx and GND pins on device serial ttl port) to a device and done so successfully using screen /dev/tty.usbserial 115200 8N1 I get to log in and use it as if I was SSH or TelNetted in... However whenever I try to go into system recovery mode (holding CTRL+1) while the device is powering on, it starts displaying weird characters and until I close the screen session it will continue showing weird characters: Of course when we tried doing the same thing on my boss' macbook running windows and PuTTY and everything worked fine, even in system recovery mode; characters were displayed properly. What gives? Id like to learn the intuition to use because up till now I concluded that since I can bot into the system and see characters normally everything about the connection should be fine and its must have been the recovery partition that was broken. This was wrong of course... Niko

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  • Minix3 on Vmware

    - by mohit
    Hi, I install minix3 on vmware using installation CD i make using .iso image which is available @minix3 I make 2GB Harddisk, 512MB RAM on VMware, and installed step-by-step. It got installed and working fine. But i wana install 'packman' which is X window system. I'm not able to install it. It asks for installation CD, its still there and its detected also, but i couldn't proceed. Have any1 tried installing 'packman' i.e X window system on minix3. Please guide me. :)

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  • how to redirect terminal contents to a jtextpane?

    - by sonu thomas
    hi.. I was trying to run a java class file using java code.The aim was to direct the executing sequence of the terminal of fedora 10 into a frame with a textpane. My code is: import java.io.DataInputStream; import java.io.IOException; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextArea; import javax.swing.JTextPane; //import sun.reflect.ReflectionFactory.GetReflectionFactoryAction; public class file { /** * @param args */ /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException{ // TODO Auto-generated method stub JDialog jj = new JDialog(); jj.setTitle("helllo"); String sssub1,sssub2,sssub3; String ss="C:/Users/sonu/Desktop/ourIDE/src/src/nn.java"; JPanel n = new JPanel(); jj.setContentPane(n); JTextPane tpn2=new JTextPane(); jj.getContentPane().add(tpn2); jj.setVisible(true); Runtime runtime; Process process; if(ss.indexOf(" ")==-1) { try { runtime= Runtime.getRuntime(); sssub1="/home/ss/Desktop/src/"; sssub2="nn"; process=runtime.exec("sh jrun.sh "+sssub1+" "+sssub2); DataInputStream data=new DataInputStream(process.getInputStream()); DataInputStream data_data=new DataInputStream(process.getErrorStream()); String s="",t=""; int ch; while((ch=data.read())!=-1){ s=s+(char)ch; } data.close(); while((ch=data_data.read())!=-1){ t=t+(char)ch; } data_data.close(); if(t.equals("")) { s+="\nNormal Termination."; tpn2.setText(s); } else tpn2.setText(t); }catch(Exception e){ System.out.println("Error executing file==>"+e);} } } } The content of **jrun.sh** is cd $1 java $2 When the content of **nn.java** was this: import java.io.*; class nn { public static void main(String[] ar)throws IOException { int i=90; BufferedReader dt = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter"); //i=Integer.parseInt(dt.readLine()); line--notable System.out.println("i="+i); } } It worked smoothly But when I remove the comment on line--notable,it gave me Textpane with no content. The problem is : I cant read an input from nn.java Kindly give me a solution... If i am able to: get the terminal pop up with executing the nn.class,and i am able to enter the input,then it will do... Thanks in advance...

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  • Inserting text to a file with Sed within Bash Script

    - by neversaint
    I tried to insert a text to the first line of a file using sed. I do this inside a bash script. But why it hangs at the line of sed execution? #! /bin/bash # Command to execute # ./mybashcode.sh test.nbq nbqfile=$1 nbqbase=$(basename $nbqfile nbq) taglistfiletemp="${nbqbase}taglist_temp" taglistfile="${nbqbase}taglist" ./myccode $nbqfile | sort | uniq -c | awk '{print $2}' > $taglistfiletemp noftags=$(wc -l $taglistfiletemp | awk '{print $1}') echo $noftags # We want to append output of noftags # to the first line of taglistfile sed '1i\ $noftags' > $taglistfile # why it hangs here # the content of taglistfile is NIL

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  • Get current timepoint from Totem application

    - by ??O?????
    I want to find the exact time where a media file is currently paused at (or playing) in a running Totem instance using D-Bus. To be precise, what I want is available from the Totem python console (if the plugin exists and is enabled) by the following command: >>> print totem_object.props.current_time 732616 which I understand is milliseconds. So far: I've never used D-Bus before, so I'm in the process of going through D-Bus and python-dbus documentation. I've also fired up D-Feet and found that the org.gnome.Totem bus name and the /Factory object I can use the org.freedesktop.DBus.Properties interface methods. I'm currently at this point: >>> import dbus >>> seb= dbus.SessionBus() >>> t= seb.get_object('org.gnome.Totem', '/Factory') >>> tif= dbus.Interface(t, 'org.freedesktop.DBus.Properties') >>> tif.GetAll('') dbus.Dictionary({}, signature=dbus.Signature('sv')) I can't find even a proper how-to, so any help will be greatly appreciated.

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  • strange behaviour of git

    - by Alexey Poimtsev
    Hi, i have strange behaviour of git - push is working, but clone is not :( alec$ git clone git://host/repo.git Initialized empty Git repository in /Users/alec/Temp/repo/.git/ host[0: x.x.x.x]: errno=Connection refused fatal: unable to connect a socket (Connection refused) whats wrong?

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