Allegro - A game programming library - Indie-Resource.com Writing Your Own Shell LG #111 By Hiran Ramankutty Introduction This is not another programming language tutorial. Surprise! Shells On system boot up, one can see the login screen. Once we log in, we can see the command shell where we usually enter our commands to execute. This was the entry point for me. A note on execve() Briefly, execve and its family of functions helps to initiate new programs. execl execv execle execve execlp execvp int execve(const char *filename, char *const argv[], char *const envp[]); is the prototype as given in the man page for execve. In fact, the actual system call is sys_execve (for execve function) and other functions in this family are just C wrapper functions around execve. listing1.c Compiling and running the a.out for the above program gives the output of /bin/ls command. I will not go in to the details of wrappers of execve. Some basics When the user hits the 'Enter' key after typing "/bin/ls", the program which runs the command (the shell) forks a new process. Let's Start listing2.c
Gamasutra - The Art & Business of Making Games Programmation orientée aspect Un article de Wikipédia, l'encyclopédie libre. Historique[modifier | modifier le code] Les concepts de la programmation orientée aspect ont été formulés par Gregor Kiczales et son équipe, qui travaillaient alors pour le Xerox PARC. Le paradigme est breveté par eux-mêmes aux États-Unis en 1999[2]. Limites techniques[modifier | modifier le code] Les techniques actuelles de conception logicielles et de programmation amènent à découper un logiciel en modules logiciels a priori indépendants les uns des autres car gérant des aspects différents du système conçu. Liste non exhaustive d'exemples de modules : Dans la pratique, les considérations techniques que sont censés implémenter les modules non seulement s'entrecroisent (par exemple la gestion des utilisateurs fait aussi appel à la génération de trace) mais sont de plus réparties dans la couche métier : c'est l'intrication ou entrecroisement des aspects techniques[trad 4]. Principe[modifier | modifier le code] Un aspect permet donc de spécifier :
Postmortem: Defense of the Ancients [In a Gamasutra-exclusive postmortem, some of the key figures behind seminal Warcraft III mod Defense Of The Ancients, now working on the DoTA-influenced League Of Legends for Riot Games, provide a look at the creation of the original title.] Having touched the hands of more than 10 million people worldwide since its inception nearly 5 years ago, Defense of the Ancients, (DotA) is arguably one of the most popular game mods of all time. Created primarily with the free "World Editor" packaged with Blizzard's amazingly popular RTS game Warcraft III: The Frozen Throne, each new version of DotA is the culmination of tens of thousands of man-hours of work by hundreds of community volunteers. DotA is an online session-based game where each of up to 10 players chooses a "hero" to play during a 5v5 match. The game is won by destroying your opponent's primary structure (Ancient), before yours falls. 1. Roshan - In version 4.0a, Guinsoo added Roshan.