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Hi all, I am currently trying to remove the zeros from a string the code I have tried is as follows but it does not seem to work propperly Dim code code=request("code") 'here there is a string like 0000045 ' I want to remove the zeros Dim c1 c1 = …

have you tried to google it?

Hi all! I have a little problem here, I would like the width function in cout applied to all the sucesive outputs. However, it is only applied to the next output only, I mean, with this code I get 0:00:10:20:30:4 1:01:11:21:31:4 2:02:12:22:32:4 3:03:13:23:33:4 4:04:14:24:34:4 5:05:15:25:35:4 6:06:16:26:36:4 7:07:17:27:37:4 8:08:18:28:38:4 9:09:19:29:39:4 and …

Hi all! I get the following error while trying to compile this code /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../include/c++/3.4.6/bits/stl_numeric.h:116: error: must use .* or ->* to call pointer-to-member function in `__binary_op (...)' I am quite stunned because I've used before in a similar way Can any body give me a hint? Thank you in advance! …

Hi all! I've read forward declaration is much prefered than include in header files mainly because it reduces the compilation time. Other reasons? My particular situation is that all header files that I use are within a namespace. I've seen two different ways for forward declaration in this case: [CODE] …

Hi all, I am really new in bash scripting and I can't even make simple tasks What I am trying to do is executing a command (ls -l for this example), over a double leap ssh. [CODE] #!/bin/bash ssh -T myuser@entrypoint ssh -T myuser@targetpc<<EOI ls -ltr . exit EOI [/CODE] …

Hi all, I have been doing for fun this problem in projecteuler.net. The problem is as follows: +++++++++++++++++++++++++++++++++++++++++ Peter has nine four-sided (pyramidal) dice, each with faces numbered 1, 2, 3, 4. Colin has six six-sided (cubic) dice, each with faces numbered 1, 2, 3, 4, 5, 6. Peter and …

Hi! I am looking for something to compact the clear and push_back in one line... [CODE] std::vector<int> v(3,100); v.clear(); v.push_back(4); [/CODE] I have thought that vector::swap may be usefull for this task but still figuring out how. Any sugestion or idea? Thank you in advance!

Hi everyone! I know using "system" in c++ is not the best way to develop, however, I need to use it for some specific reason. I have read that it is advisable using before system(NULL) to check if there is a shell available. My question are: When is not going …

Hi everybody! I am trying to use fork() and wait to perform a simple task with c++ but I have noticed that the performance is quite different from what I expected. [CODE] #include <unistd.h> #include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { int number = atoi(argv[1]); int i; …

I think that like this it works, you have done it entirely by yourself Though the easiest and I think more correct way to do it would be using struct tm cheers [CODE] #include <iostream> using namespace std; bool leapYear(int); int dayNumber(int, int, int); typedef int monthtable; monthtable d[12] = …

Hi all! I am trying to manage and understand dates with c++, but the output that I am having does not help much. Basically I would like to adjust a localtime that can be seen in the string "s_prueba_time" to a UTC time (in my case -2 hours in summer …

Hi all, I've been working with C semaphores for a while using shared memory (ftok, semget, semop, semctl) and it works perfectly. However, I was wondering wether using these structures all processes are protected against starvation. I have made several tests with nearly 200 processes sharing a binary semaphore and …

Hi, I am having an issue with a program and I have ended up realizing I don't know how to pass an array as a parameter. It seems that when I do it the arrays length is one inside of the function, even though outside is different. Here is the …

Sintax is as follows yo need a break and a default case [CODE] switch(var int o char) { case const1: instruction(s); break; case const2: instruction(s); break; case const3: instruction(s); break; ……………… default: instruction(s); }; [/CODE]

Hi, I am trying to comprehend how exceptions work in c++. However I don't understand why a divide-by-zero exception es not caught by a catch. I attach de code to a better a explanation. [CODE] #include <iostream> //#include <exception> #include <string> using namespace std; int main () { int num1, …

Hi all, I have tried to make a little example of a random number generator for c++. However, as I am quite new in this language I do not know its peculiarities. Here is the code [CODE] //g++ -o ran ran.cpp #include <iostream> using namespace std; int main () { …