Reading a file name parameter from the command line is a common task. In this post I read a file name and validate it exists. For paths and file names that include spaces, you have to pass them between quotes, otherwise they will be interpreted by …
Here is an easy solution to passing parameters to a C++ application from the command line that does not require any external libraries.
Since parameters are read inside a loop, the order in which they are passed is not important.
#include …Well, that depends on several things, like your current processor and compiler. The best way to know it, is by using the sizeof operator. Copy the following code, compile it and run it:
#include <iostream>
using namespace std;
int main() { …Learning how to create a Makefile is one of those tasks every C/C++ programmer has to do. Since there are many good make tutorials on the web, I’m only going to share a simplistic makefile that you can use for your projects.
CFLAGS=-c -Wall -Iinclude …Install the C/C++ development tools to your server:
1yum install gcc gcc-c++ autoconf automake
Now, before installing fcgi we need to add the epel repository:
1rpm -Uvh …The objective of this lesson is to show you how to make a simple web page navigation using Wt. Before starting you have to remember that Wt can be used to create 1 URL applications. That means you can have a full application that runs using just one …
In this entry I’m going to create a simple form that shows how to add items to WComboBox in two different ways. The first one is useful for static combo items while the second one might be used to populate a combo from a database.
The code is based …
In this entry I’m going to create a simple form. This form will show you how to use controls and events in a very simple way.
A couple things you have to notice before we start:
Let’s start by talking a little bit about some elements and methods you will find in the code.
Inheriting from WApplication or WContainerWidget are the most common ways to start an application using Wt. A WApplication instance will be in charge of …
Installing Wt can be a challenging task if you don’t have the right tools. I spent many days trying to make it work with MinGW and Visual Studio 2005. No luck. Here are some of my results:
I was never able to make a full compile. It was …