Is there any simple functions to check how much data is buffered but unread? FD_ISSET only indicates the presence of data in the buffer. Is possible not to create a second buffer in the program for greater control of buffer? ...
when i compiled(c++ program) in linux i am getting following error pls help me glibc detected *** ./a.out: free(): invalid pointer:0x0804878d *** ======= Backtrace: ========= /lib/libc.so.6[0xbd5f18] /lib/libc.so.6(__libc_free+0x79)[0xbd941d] /usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0x3233fe1] ./a.out(__gxx_personality_v0+0x100)[0x8048514]...
Hi following code sample seems to have some problem or either it has to do something with OS internals. #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> static void usage(); #define MONC_AM_CONF "/tmp/monc.c...
We are manufacturing an IP set top box in India for IPTV market. We are looking at two OS options - Win CE and Linux. Can anyone help us in selecting the best one in these two operating systems? Which one is better in terms of reliability, scalability and cost viability? ...
We are developing a (closed-source) Java application and think about possibilities to update the software automatically on the user's machines. Fortunately, for nearly all Linux systems there exist package managers. We don't think it would be useful to add our application to the common repositories for several reasons, but how to create ...
Hey everybody, I am trying to compile VXI11 source codes on my debian - lenny, but I get this error: make rpcgen -M vxi11.x make: rpcgen: command not found Anyone know to rpcgen get intalled? Cant find solution. Any help is most appreciated. Thanks Petr ...
I would like to implement a mechanism which will provide a RESTful API that allows a client to register interest in a subject with a sever, and receive asynchronous notifications from the server after the interest is registered. In enterprise (messaging) architecture, this is known as publish/subscribe 'pattern'. With desktop applicatio...
Hello, I am writing a driver for a gamepad for linux. I have a ps3 controller (wired), a 360 controller (wired) and a Logitech precision (wired). I found the vendor id and product id for each, and I load one at a time. the 360 controller is the only one that calls the probe function. I have the exact same code, just different ids, and o...
Hi, while trying to compile the following code in OpenCV2 in linux, cv::Mat image1, image2; cv::Rect rect1, rect2; ... image1(rect1).copyTo(image2(rect2)); I get the following error: x.cpp: In member function ‘cv::Mat Process(cv::Mat)’: x.cpp:241: error: no matching function for call to ‘cv::Mat::copyTo(cv::Mat)’ cxcore.hpp:7...
Hi all, I need to generate 12 digit Hex numbers in KSH on Solaris Thanks ...
Hello, I can't seem to be able to convince scp to behave. For test data ubuntu@domU-12-31-38-00-D4-F1:/tmp$ find /tmp/a1/ /tmp/a1/ /tmp/a1/a2 /tmp/a1/a2/a3 On issuing the command ubuntu@domU-12-31-38-00-D4-F1:/tmp$ scp -r /tmp/a1 domU-12-31-38-00-E2-52.compute-1.internal:/tmp/a1 I would expect the same directory structure created...
I'm writing a function in C++ which creates a temporary directory. Such function should be as most portable as possible, e.g. it should work under linux, mac and win32 environments. How do I achieve that? ...
Hi all, I have an xslt script that transforms an xml file to another xml file. The problem I'm having is that the resulting xml file does not end with a newline like a well behaved linux file. I'm using <xsl:output method="xml" indent="yes"/> for the code to be nicely idented. Is there a way to tell xslt that this is Linux mode, and i...
I'm trying to create a Makefile that has a target per src/ subfolder so that it creates a static lib. I am currently trying this: %.o: %.cpp $(CXX) $(CXXFLAGS) $(INCLUDE) -c -o $@ $< lib%.a: $(patsubst %.cpp, %.o, $(wildcard src/%/*.cpp)) $(AR) rcs $@ $^ But this doesn't work, the target matching works, but the dependency tra...
I have a file with the following layout: 123,01-08-2006 124,01-09-2007 125,01-10-2009 126,01-12-2010 How can I convert it into the following by using AWK? 123,2006-08-01 124,2007-09-01 125,2009-10-01 126,2009-12-01 ...
Howdy, Can I configure bash on Linux to write a copy of all stdout and stderr to a regular file, without having to specify the redirection for each command? Thanks, Kent ...
I've been trying various methods (popen, pipes + fork/exec, ...) to read a child process' output, all of which are working, but exhibit the same behavior: whenever I try to read the output using read/fread, it only returns when the buffer is completely full, or when the child exits. I'm looking for a behavior that's more like that of soc...
What is the difference between the following to commands? sort -u FILE sort FILE | uniq Thanks! ...
Hi all, I have a question regarding the use of Python. How do i run a command line command using Python? And after running the command, how do i save the returned values? For example: user@home:~$: ls -l drwxr-xr-x 3 root root 4096 ..[etc] home -rw-r--r-- 1 user user 357 ..[etc] examples.doc So what i intend to do, is to run the co...
Hello, I use Eclipse 3.5.1 downloaded from Yoxos under Ubuntu 9.10. I had to correct some problems : - GTK bug (export GDK_NATIVE_WINDOWS=1) - sqlite3 (I replaced the version of Ubuntu by a fresh one from the site and compiled; before I got a crash each time I get a hint about a function) But I still have one with subversion : I r...