Bits of Bytes - Page 2 of 6 - bits of coding, C++, Qt, git, gamedev, linux and other tech stuff

A C++ program to get CPU usage from command line in Linux

Davide Coppola December 17, 2016 5 Comments

This article explains how to create a simple program

active, C++, CLI, code, coding, command line, command line interface, cpp, CPU, file, idle, Linux, parsing, proc, processing, program, programming, source, stat, statistics, stats, tokenization, usage

Android version distribution history visualization: 2012-2016

Davide Coppola December 6, 2016 0 Comments

A visualization of the Android version distribution history over the last 5 years. The time frame considered in this article

Android

analysis, Android, charts, data, distribution, graphs, history, lines, market, mobile, numbers, share, stacked area, stacked bar, statistics, stats, version, visualization

How to set up a git repository locally and on a remote server

Davide Coppola December 4, 2016 2 Comments

This is a clear and simple step-by-step tutorial showing how to set up a git repository locally and on a remote server. You will need this for sharing your work with other people and/or machines.

Git

bare, creating, creation, git, guide, repo, repository, server, set up, setting up, step by step, tutorial

Qt Network and JSON example: a simple Hacker News reader

Davide Coppola November 22, 2016 4 Comments

This tutorial will show you how to use Qt Network and JSON to create a simple Hacker News

Qt

API, C++, code, example, guide, Hacker News, http, JSON, network, networking, news, project, Qt, reader, REST, source, stories, tutorial

10 free resources to learn how to use git

Davide Coppola November 14, 2016 0 Comments

This is a collection of useful resources to learn how to use git,

Git

beginner, collection, examples, git, guides, howto, interactive, learn, learning, list, references, resources, tutorials, wiki

How to embed a database in your application with SQLite and Qt

Davide Coppola November 9, 2016 8 Comments

This tutorial will show you how to use SQLite and Qt SQL to have a relational database in your application. It will cover all the basic operations needed to work with a database like creating a table, inserting data, executing…
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Qt

C++, code, database, engine, example, GUI, interface, memory, Qt, query, RDBMS, relational, source, SQL, SQLite, tutorial

How to contribute to an open source project on GitHub

Davide Coppola November 5, 2016 22 Comments

A step by step guide that

Git

contribute, contributing, contribution, example, fork, GitHub, guide, howto, open, open source, project, step by step, steps, tutorial

How to create an application with Qt and C++

Davide Coppola October 28, 2016 1 Comment

This tutorial is an introduction to Qt programming and will teach you how to create an application with Qt and C++. Full project and source code are provided.

C++, Qt

app, application, C++, code, cpp, development, example, introduction, programming, Qt, software, source, tutorial, window

How to traverse a git repository using libgit2 and C++

Davide Coppola October 18, 2016 3 Comments

This is a very simple C++ tutorial

Git, libgit2

API, C++, code, coding, cpp, example, git, guide, iterate, libgit, libgit2, navigate, program, repository, sorting, source, traverse, tutorial

Performance of raw pointers vs smart pointers in C++11

Davide Coppola October 13, 2016 16 Comments

In this post I analyse and discuss the performance of raw pointers vs smart pointers in few C++11 benchmarks. The operations tested are creation, copy, data access and destruction.

Benchmarks, C++

benchmark, C++, C++11, cpp, performance, pointer, raw pointer, shared_ptr, smart pointer, STD, test, unique_ptr