"C" tag
ComboBox and ListWidget

Developing Apps on Qt, Part 4

In the last article, we worked on the backbone of GUIs, the signal and slot mechanism. In this article, we move ahead to the GUI part of Qt. The basic block of any…

Threading support in C++11 standard

CodeSport (April 2012)

In this month’s column, we continue our discussion on the threading support introduced in the new C++11 standards. We first look at how we can manage threads. In last month’s column, we had…

Programming tools for Linux

Programming Tools for Linux

This article is not so much about the various languages, as the programming tools that can be used to write programs using the languages. When students first start taking programming courses at various…

Developing apps on Qt

Developing Apps on Qt, Part 3

In the previous article, we covered some important Qt non-GUI classes; I hope you experimented with others, since the secret to learning lies in experimenting. In this article, we will work on the…

Qt time...

Developing Apps on Qt, Part 2

In the previous article in this series we went over the installation and some basic examples of Qt. In this article, we will learn how to use the Qt classes for basic data-types…

Function Pointers and Callbacks in C

Function Pointers and Callbacks in C — An Odyssey

Function pointers are among the most powerful tools in C, but are a bit of a pain during the initial stages of learning. This article demonstrates the basics of function pointers, and how…

Preparing for programming interviews?

CodeSport (February 2012)

This month’s column is special, in honour of LFY’s 9th anniversary. We feature tips on how to prepare for programming interviews. This month, we celebrate the 9th anniversary of LFY. It’s been a…

It's Qt

Developing Apps on Qt, Part 1

This article introduces application development using the Qt GUI framework. There was a time when all desktop applications were developed from scratch. Then came the concept of code reuse. Static and shared libraries…

Memory Technology Devices

Working with MTD Devices

This article shows how kernel and application developers (in C) can make use of MTD in Linux. MTD (Memory Technology Devices) are NAND/NOR-based flash memory chips used for storing non-volatile data like boot…

Arduino Mega

Building Image Processing Embedded Systems using Python, Part 1

The first part of this three-part series gives a brief overview of the embedded vision and the various components required to make it work. It also covers the installation procedure for the OpenCV…

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