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• running shell commands with gnu clisp

  - by Paul Nathan

  I'm trying to create a "system" command for clisp that works like this (setq result (system "pwd")) ;;now result is equal to /my/path/here I have something like this: (defun system (cmd) (ext:run-program :output :stream)) But, I am not sure how to transform a stream into a string. I've reviewed the hyperspec and google more than a few times.

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• Total stack sizes of threads in one process

  - by David

  I use pthreads_attr_getthreadsizes() to get default stack size of one thread, 8MB on my machine. But when I create 8 threads and allocate a very large stack size to them, say hundreds of MB, the program crash. So, I guess, shall ("Number of threads" x "stack size of per thread") shall less than a value(virtual memory size)?

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• How Linux system monitor gets process stats

  - by paultop6

  Hi all, Im making a simple alternative to the default linux system monitor. Im looking to know how it lifts the process stats, which is displays in the Processes tab. It probably runs off /proc, but im unsure. Also, where could i find the source code for the system monitor program? Regards Paul

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• How to setup HTTP proxy settings in PHP?

  - by Jack

  I am trying to write a program in PHP which I had already written in Java. I had used the following statements to setup proxy in Java System.setProperty("http.proxyHost",proxyhost); System.setProperty("http.proxyPort",proxyport); How do I do the same for PHP?

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• HTTP basic authentication using sockets in python

  - by user352958

  How to connect to a server using basic http auth thru sockets in python .I don't want to use urllib/urllib2 etc as my program does some low level socket I/O operations

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• Sample application to read and inspect packets on a network?

  - by franz

  Hi, I'm looking to write a quick program to read and inspect packets of a certain format and then blacklist ips with a certain style of packet-traffic (packet patterns of an attack against the network). Are there decent samples of reading and inspecting packet flow on a network?

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• Simulating mouse input programmatically in OS X

  - by Rob Lourens

  Is it possible to simulate the actions of a mouse from a program in OS X? Specifically, the short version is that I'm trying to simulate a touchscreen using two webcams. So assuming I can get X,Y positions, can I send information to the OS as a mouse movement or click?

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• Good use of recursion in chess programming?

  - by JDelage

  Hi, As part of a homework assignment, I have to program a simple chess game in Java. I was thinking of taking the opportunity to experiment with recursion, and I was wondering if there's an obvious candidate in chess for recursive code? Thank you, JDelage

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• prefuse.render.TextItemRenderer can not be resolved

  - by Rojet

  Hi, I want to use the samples available in prefuse gallery , I used "GraphView" and "RadialGraphView" code in java but the "import prefuse.render.TextItemRenderer;" could not be resolved in both sample. Would you please let me know how can I add the related library into my program? Thank you in advance Rojet

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• primitives of a programming language

  - by Tim

  Hi, Which do the concepts control flow, data type, statement, expression and operation belong to? Syntax or semantics? What is the relation between control flow, data type, statement, expression, operation, function, ...? How a program is built from these primitives level by level? I would like to understand these primitive concepts and their relations in order to figure out what aspects of a new language should one learn. Thanks and regards!

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• boost::interprocess::message_queue stops working in Release mode with visual C++

  - by jules

  I am using boost::interprocess::message_queue, with VC++ (in Microsoft Visual Studio 2005). It is working properly in Debug mode. Then when I compile my program in Release mode it stops working, every time I call "try_send" it returns false. I don't understand what could be the settings that are different between Release and Debug mode, and that would make the queue stop working.

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• linux/unix and makefiles

  - by Betamoo

  In linux make file: I want to run the output program only in case of successful compilation. Is there a way to do this?

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• Summer Learning Opportunities for an upcoming College Freshman

  - by SteveStifler

  I'm currently a senior in high school, about to matriculate and pursue a major in Computer Science (possibly dual-major with electrical engineering. Comments?). I already program regularly as a hobby, but I would like to get a jump start this summer by perhaps attending a seminar, helping out on an open source project...you know, something legitimate that will bolster my knowledge of the computer science field. Any ideas?

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• Tell jQuery to ignore clicks during an animation sequence

  - by dclowd9901

  I'm in the midst of writing a slideShow app (click a button, and you slide through a list of images) for jQuery, but I've run into a little bug where it will respond to the click() request even while an animation is happening. I'm using the animate() function already, so that isn't staving off the additional animation requests. Any way to program around this?

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• Web crawler that can interpret javascript

  - by user320662

  Hi, I want to write a web crawler that can interpret JavaScript. Basically its a program in Java or PHP that takes a URL as input and outputs the DOM tree which is similar to the output in Firebug HTML window. The best example is Kayak.com where you can not see the resulting DOM displayed on the browser when you 'view source' but can save the resulting HTML though firebug.

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• How can I compile GCC as a static binary?

  - by CaCl

  How can I compile the GCC Compiler so that I can pull the entire thing over to another system and use the program? I don't mind pulling in other files as well, but is there a way to gather all the required system libs as well? The OS and Arch will remain constant across the different systems, but one may contain Slackware where the other contains Debian.

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• VoiceRecognition.java gives me the error "Recognizer not present".

  - by Ravi

  The sample program VoiceRecognition.java gives me the error "Recognizer not present" using the emulator. How do I fix this problem.

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• how to get out information from datagridview ???

  - by ghost_j1

  hi everyone I am working on program that calculate the GBA for university student in visual c# So i make an datagridview that contain columns for each subject and its mark as later and number but after the user "student" insert his subject i want to let him to press button that get the mark and the number of the cirdit hours of each subject and calculate the GBA for the student and put the result in textbox... does anyone can help me to do it ???

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• How can I turn off registry redirection on Python?

  - by Shady

  My program is trying to create an key on the HKLM\Software\Microsoft\Shared Tools\MSCONFIG\startupreg\test\ but instead the key is created on the HKLM\Wow6432node\Software\Microsoft\Shared Tools\MSCONFIG\startupreg\test\ and don't work properly... Why? How can I solve it?

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• quartz composer view output: How can I get immediately the new values of outputs, if they change?

  - by Flocked

  Hello, I created a cocoa program with a quartz composer view. I can get the output values with: [qcView valueForOutputKey:@"Output"] But how can I get immediately the new values of outputs, if they change?

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• Java 2D turn-based game programming: handle 2 mouse clicks per player

  - by Humberto Pinheiro

  So suppose I'm developing a chess-like program using Java's Swing. I added a MouseListener to handle user input. To make a move the user must click a valid piece and then click a valid place. What's the best way to track the 2 mouse clicks in a turn? I'm thinking in use some kind of variable to record if is the turn's first click or second.

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• How would I code an efficient Polygon Buffer in Java?

  - by Leonardo Moura

  I'm going to receive 10 points - coordinates (X,Y,Z). The program should read these points (.txt format), after that do a polygon with these points. Finally, should be done a buffer polygon two times larger than the primitive. Thanks for help!

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• Tray Icons Keep On Popping Up

  - by Soo

  I have a WinForm program that checks a database for changes, and if there are any, it will open another WinForm telling the user what is happening (the popup WinForm has some special functionality making a MessageBox insufficient for this task). Each time one of these popup WinForms shows up, a new icon shows up in the system tray and does not go away even if you hover over it (this isn't a tray refresh issue). What I'm wondering is how to get the popup WinForm to display no tray icon at all.

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• How to read Excel file using vb.net

  - by Mark

  How to read excel file using vb.net.. I have a code to read the excel file but suddenly it crashes the output when I deleted some rows in excel file.. The deleted rows was also outputted in my coded program. Can anyone help me on how to read excel file and ignore those deleted rows to avoid unexpected null output..

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• Compiling linux sources in Windows enviroment

  - by Betamoo

  I got a source for console program written in c++ for linux I have got no experience with linux, and have no intend to install it. Is there a (automated) way to compile this source to run in windows? and what about linux functions and libraries called in this file? Thanks

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