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• Wireless access through command line interface

  - by hfranco

  Is there a CLI command or program that will list available wireless access points? I'm running Ubuntu 9.04 on a laptop and sometimes I boot straight into the CLI instead of a GUI. I know iwconfig can configure a connection but will not list available AP's.

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• Why is object destructor not called when script terminates ?

  - by planetp

  I have a test script like this: package Test; sub new { bless {} } sub DESTROY { print "in DESTROY\n" } package main; my $t = new Test; sleep 10; The destructor is called after sleep returns (and before the program terminates). But it's not called if the script is terminated with Ctrl-C. Is it possible to have the destructor called in this case also?

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• 32-Bit Compiling in XCode

  - by user15386

  I was trying to get SDL to work on my mac but kept running into mysterious errors. After some googling, I realized that my issue was that SDL compiled in 32 bits, or was 32 bits, or something, and XCode was compiling my program in 64 bits. There were some solutions, as well, but all were very technical or required arcane knowledge which my novice brain did not comprehend. So, how can I either get a version of SDL that will work with a 64 bit compiler, or tell XCode to compile in 32 bits?

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• Searching for SD-cards

  - by Shaddix

  I need to implement searching for SD-cards in my program. Currently I'm using search for all removable devices like: searcher = New Management.ManagementObjectSearcher("\\localhost\root\cimv2", "SELECT DeviceId FROM Win32_LogicalDisk WHERE DriveType=2 AND Size>0"); But it find USB flash drives also. Is there a proper way to find SD-cards only? What I need is in general only drive letter for available SD-cards (like "F:" or so).

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• Dos create a batch file and run with multiple C++ programs.

  - by user292926

  Respected sir, I m @nimit and i want create one batch file and run it in a dos prompt and that output stored in a single textile how to that was made. in that batch file execute the c++ program. in advance than x....@nimit

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• Alternative to itoa() for converting integer to string C++?

  - by Tomek

  I was wonding if there was an alternative to itoa() for converting an integer to a string because when I run it in visual Studio I get warnings, and when I compile my program under Linux, it won't even compile. Thanks, tomek

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• Generating Bezier Control Points for an object

  - by E.F

  Hello everyone, I'm trying to draw objects using Bezier surfaces with openGL's evaluators. I am struggling with defining the control points for my objects. Can anyone please suggest ways to get the control points for an object? Is there some program that I can use to design my object then import the control points into a file that I can use in my application?

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• Why does this python code work?

  - by Int-0

  I have written a simple python module, it has this code: _log = logging.getLogger("mymodule") _started = False def set_log_level(level): _log.setLevel(level) if not _started: _hdlr = logging.FileHandler('mymodule.log') When I call set_log_level() program fails because symbol _started is not found. It is normal because global _started is missing in the method. But my question is: symbol _log has the same visibility as _started, so why does this symbol can be found? BR, // Toby

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• How do I rename a process on Linux?

  - by jemfinch

  I'm using Python, for what it's worth, but will accept answers in any applicable language. I've tried writing to /proc/$pid/cmdline, but that's a readonly file. I've tried assigning a new string to sys.argv[0], but that has no perceptible impact. Are there any other possibilities? My program is executing processes via os.system (equivalent to system(3)) so a general, *NIX-based solution using an additional spawning process would be fine.

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• How to automatically monitor and limit resource of process on Windows

  - by Nat

  On Linux, normally I use ptrace function to trace all syscall, and kill the process if the it tries to do anything harmful to my machine, such as system("shutdown -s -t 00") or so. Is there a way for me to do this on Windows? EDIT: I want to write Sandbox program to limit time and memory usage of its child that can work on both Windows and Linux, and now it can only run on Linux via ptrace

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• How do you feed in an entire directory of input files using cat in Unix?

  - by Sam

  I'd like to run a program on a directory of files. I know how to do this with one file, using cat myFile.xml | myProgram.py. How can I run myProgram.py over a folder, say myFolder? Thanks!

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• Create a table using obj-c for MAC and display values in the table.

  - by lohith

  Can anyone guide me how to create a table using obj-c for MAC. The program should read values from an NSArray object and display the values on the table.I wld appreciate if anyone helped me out.

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• The internal implementation of R's dataset

  - by Yin Zhu

  I am trying to build a data processing program. Currently I use a double matrix to represent the data table, each row is an instance, each column represents a feature. I also have an extra vector as the target value for each instance, it is of double type for regression, it is of integer for classification. I want to make it more general. I am wondering how what kind of structure R uses to store a dataset, i.e. the internal implementation in R.

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• Virus and programming languages

  - by abson

  In which languages other than C are virus programs created? Is it true that most of the antivirus software companies themselves program new viruses for sustaining their market value?

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• is there any programming language that can bring together edit and compile / run ???

  - by Aff

  When I code, I always write little pieces of unit, and compile it often. This helps me to make sure that everything run correctly, but it's very time consumed. is there any programming language that can support us to do coding and running at the same time side by side ? i mean as soon as a key press leads to valid code, the effect of the edit is incorporated into the executing program.

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• Visual Studio Design View

  - by metashockwave

  I used program C, and now im doing some web coding, is there a place I can switch the VS toolbox layout from C++ to some kind of web design view? Thanks

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• Problem with makefile

  - by sterh

  Hello. I created a python project in IDE Anjuta, added some python files and the problem follows. I need that would make the program after a few .py files lying in src copied to dir /usr/bin. Anjuta generates enormous configure- and makefiles. 'll Show you need to register and where that would make described above. Thank you.

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• force exit from readline() function.

  - by Sasun Hambardzumyan

  I am writing program in c++ which runs GNU readline in separate thread. When main thread is exited I need to finish the thread in which readline() function is called. The readline() function is returned only when standart input came (enter pressed). Is there any way to send input to application or explicitly return from readline function? Thanks in advance.

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• Java Swing how to create a task reminder

  - by newbie123

  How to create a event reminder. Example, an user created an event which is today 5.00pm and stored it into database. When ruun the program the reminder will pop up if the system time is 5.00pm. Is there any API can do that? From google what I got was those freeware.

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• Allowed characters in linux environment variable names

  - by Christian Semrau

  What characters are allowed in linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed. I have a Java program that requires an defined environment variable containing a dot, like com.example.fancyproperty. With Windows I can set that variable, but I had no luck setting it in linux (tried in SuSE and Ubuntu). Is that variable name even allowed?

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• How to set font Bold, Italic, and Underlined in Qt?

  - by Hanny

  I want to make a program that's like a simple text editor using Qt 4.6.2. When the user block any text in a TextEdit and click on a button, the text will be bold/italic/underlined depend on the button.. I'm a beginner in Qt Programming, so if Possible, can you insert the programming code in Qt to do that? Please answer this ASAP,, thank you very much!! :)

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• Typed metaprogramming languages

  - by Jacques Carette

  I want to do some metaprogramming in a statically typed language, where both my programs and my meta-programs will be typed. I mean this in a strong sense: if my program generator compiles, I want the type system to be strong enough that only type-correct programs can be generated. As far as I know, only metaocaml can do this. (No, neither Template Haskell nor C++ templates fit the bill -- see this paper).

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• what kind of components can fail in rmi?

  - by Moblin

  Was wondering what kind of software and hardware component cant fail in a rmi program? so for example in a client server model when a client invokes an object in the server? thanks

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• How can I display a full designer file in c#?

  - by George Tyler

  So I just got a C# program from someone that compiles and gives me a fully functional application. However, when I want to see the .cs{Design] file it gives me the following error: .ErrorStyle { font-family: tahoma; font-size: 11 pt; .... How can I convert this to an actual Design file? I am working on Visual Studio C#. Thank you very much.

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• Mac OS - Download an save an image file on HDD with Cocoa

  - by Julien

  I'm building a program, and I'm quite confident using Objective-C, but I don't know how to programmatically download a file from the web and copy it on the hard drive. I started with : NSString url = @"http://spiritofpolo.com/images/logo.png"; NSData* data = [NSData dataWithContentsOfURL:[NSURL URLWithString:url]]; But then I don't know what to do with the data... that sucks, no ;) Can somebody help?

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