Novedades del último mes en eBooks de Programación y lenguajes

Los algoritmos que utilizas con más frecuencia ya han sido descubiertos, probados y comprobados. La segunda actualización de Comprender los algoritmos hace que sea muy fácil aprenderlos, comprenderlos y usarlos. Con explicaciones maravillosamente sencillas, mas de 400 ilustraciones divertidas y docenas de ejemplos relevantes, aprenderas a desbloquear el poder de los algoritmos en tu trabajo diario y a prepararte para tu proxima entrevista de codificacion, ¡sin necesidad de saber nada de matematicas!Este libro te enseña los algoritmos mas importantes para acelerar programas, simplificar el codigo y resolver problemas comunes de programacion. Comenzaras con tareas como ordenar y buscar, y luego desarrollaras tus habilidades para abordar problemas mas avanzados, como la compresion de datos y la inteligencia artificial. Incluso aprenderas a comparar las diferencias de rendimiento entre algoritmos. Ademas, esta nueva edicion incluye contenido actualizado sobre arboles, problemas NP-completos y codigo actualizado a Python 3.

Flutter se ha consolidado como una de las tecnologías más potentes y versátiles para el desarrollo de aplicaciones multiplataforma. Con un único código base, es posible crear aplicaciones para Android, iOS, Windows, macOS, Linux y la Web, reduciendo tiempos de desarrollo y aumentando la eficiencia. Este libro ofrece una introduccion completa, practica y actualizada al ecosistema Flutter, combinando el lenguaje Dart y el entorno de desarrollo Android Studio como eje central del aprendizaje._x000D__x000D_A lo largo de sus capitulos, el lector aprendera desde la preparacion del entorno de desarrollo y la correcta configuracion de Android Studio, hasta el dominio de los widgets, el diseño con Material Design y Cupertino, la navegacion entre pantallas, la gestion del estado mediante Providers y el desarrollo de proyectos reales en Flutter. El contenido se apoya en 30 ejemplos ejecutables descargables desde la web del libro, analisis de proyectos demo y una explicacion progresiva._x000D__x000D_El libro cubre las versiones mas recientes de Flutter y Dart, incorporando los ultimos cambios y buenas practicas del ecosistema, y se apoya en herramientas clave como pub.dev y dartpad.dev para reforzar el aprendizaje practico._x000D__x000D_Como complemento, los lectores podran adquirir un paquete de 100 ejemplos de codigo para Flutter._x000D__x000D_El e-book de esta obra es accesible y cumple con la norma WCAG 2.2 nivel AAA.

Build a more secure network with PF.The OpenBSD packet filter, PF, is central to the OpenBSD and FreeBSD network toolbox. With more services placing high demands on bandwidth and an increasingly hostile Internet environment, no sysadmin can afford to be without PF expertise.The fourth edition of The Book of PF covers the most up-to-date developments in PF, including new content on IPv6, dual stack configurations, the queues and priorities traffic-shaping system, NAT and redirection, wireless networking, spam fighting, failover provisioning, logging, and more. Youll also learn how to: Create rulesets for all kinds of network traffic, IPv4 and IPv6 both, whether crossing a simple LAN, hiding behind NAT, traversing DMZs, or spanning bridges or wider networks Set up wireless networks with access points, and lock them down using authpf and special access restrictions Maximize flexibility and service availability via CARP, relayd, and redirection Build adaptive firewalls to proactively defend against attackers and spammers Harness OpenBSDs latest traffic-shaping system to keep your network responsive, or use ALTQ and Dummynet configurations on FreeBSD to full effect Stay in control of your traffic with monitoring and visualization tools (including NetFlow) The Book of PF is the essential guide to building a secure network with PF. With a little effort and this book, youll be well prepared to unlock PFs full potential.Covers OpenBSD 7.x, FreeBSD 14.x, and NetBSD 10.x

When you accidentally knock over a virtual glass in a modern stealth video game, the resulting noise does not simply play a pre-recorded file. The game engine instantly fires thousands of invisible, mathematical linesaudio raysthat bounce off the digital walls, calculating the exact material density of the carpet, the obstruction of the doorway, and the precise echo delay before the sound reaches the guards ears.This astonishing technological feat is known as Audio Raycasting. For decades, video game audio was a flat, unconvincing illusion. Today, programmers have engineered complex acoustic simulations that mimic the real-world physics of sound propagation. This microscopic calculation of reverb, occlusion, and diffraction is the invisible backbone that makes sneaking through a digital shadow feel terrifyingly real.This technical exploration takes you deep into the code of psychoacoustics. It reveals how audio engineers map virtual geometry not just for the eyes, but for the ears, manipulating frequencies to induce absolute paranoia in the player.Stop looking at the graphics and start listening to the math. This book deconstructs the brilliant auditory illusions that transform a silent line of code into a heart-pounding immersive experience.

In the early days of computer graphics, rendering natural textures like fire, water, or stone was a computationally overwhelming nightmare. Programmers relied on rigid geometric patterns or pure randomness, resulting in environments that looked artificial, chaotic, and entirely unconvincing. The dream of expansive, organic virtual worlds seemed impossible due to the severe limitations of hardware memory.The breakthrough came in 1983 when Ken Perlin invented an algorithm that generated coherent, pseudo-random noise. This elegant mathematical trick simulated the chaotic yet continuous patterns found in nature, allowing computers to generate infinite clouds, mountains, and textures on the fly without consuming massive amounts of storage. Perlin Noise became the invisible foundational architecture for procedural generation, forever altering the trajectory of video games and digital cinema."Mathematical Landscapes" decodes the brilliance of procedural generation. It explores how a single mathematical function bypassed hardware limitations and empowered developers to build the limitless universes seen in modern role-playing games and simulations.Discover the invisible code that builds your favorite digital realities. Appreciate the intersection of elegant mathematics and creative engineering, and understand how simple algorithmic logic can infinitely scale the boundaries of artistic creation.

In the earliest days of 3D video games, players navigated blocky corridors and fired weapons blindly, guessing the trajectory of their projectiles based on the center of their screen. This clunky guesswork was eliminated with a seemingly trivial addition: the rendering of a tiny crosshair. This simple visual anchor fundamentally rewired the architecture of digital combat.The introduction of the crosshair shifted the focus of game design from mere survival to absolute precision. It allowed developers to implement hitboxes, recoil spread, and strategic targeting, birthing the modern competitive esports industry. Today, the crosshair is a highly complex piece of dynamic software. It expands to communicate inaccuracy during movement, pulses to confirm a successful hit, and changes color to convey critical environmental data, acting as the ultimate neurological link between the players eye and the game engine."Zeroing In" decodes the evolution of this vital UI element. It explores the psychological satisfaction of the hit-marker and how microscopic changes in pixel placement dictate the competitive viability of billion-dollar gaming franchises.Discover the invisible math behind your digital accuracy. Appreciate the profound impact of minimal UI design, and learn how a handful of pixels completely redefined global gaming culture.

In the early days of video games, digital worlds were rigid, pre-animated, and entirely predictable. A falling object didnt actually fall; it merely played a pre-recorded sequence of frames. The illusion of reality shattered the moment a player pushed against the boundaries. Then, a few lines of complex mathematics introduced something revolutionary: actual gravity.Gravity in the Machine chronicles the invention of the physics engine, focusing on the Havok software that permanently rewired interactive entertainment. The book explores the monumental programming challenges of simulating real-world physical forcesmomentum, friction, and collisionin real-time. It reveals how giving objects genuine weight and chaotic mass transformed level design from static obstacle courses into dynamic, unpredictable playgrounds.The narrative delves into the accidental hilarity of ragdoll physics and the psychological joy players experience when a digital environment reacts exactly like the real world, allowing for emergent, unscripted gameplay that the developers never even planned.Readers will gain a deep appreciation for the invisible math that holds virtual universes together. The book demonstrates how introducing systemic rules, rather than hardcoded scripts, is the ultimate secret to building engaging, infinitely creative systems in tech and beyond.

In the early days of computer graphics, animating a flock of birds or a school of fish was a nightmare. Animators had to manually plot the trajectory of every single creature, resulting in stiff, lifeless movements. True organic motion seemed impossible to replicate with cold codeuntil a computer scientist named Craig Reynolds stopped looking at the flock and started looking at the individual.In 1986, Reynolds invented the "Boids" algorithm. He realized that complex swarm intelligence does not require a central leader or a pre-planned route. By giving each digital entity just three simple mathematical rulesseparation, alignment, and cohesionhe created a system where thousands of independent agents spontaneously formed fluid, hyper-realistic flocks. This emergent behavior revolutionized the digital world. It is the invisible math that powers the terrifying swarms of bats in modern horror games, the massive charging armies in fantasy films, and the organic traffic flow in open-world city builders.This book traces the history of procedural animation and the beauty of emergent complexity. It demystifies the programming logic that allowed software to mimic the unpredictable grace of nature.Readers will grasp how minimal rules can generate monumental complexity, offering profound insights into artificial intelligence, game development, and the mathematical rhythm of the natural world.

When you explore a massive, photorealistic open-world video game, you are experiencing a brilliant optical illusion. Your console or PC does not have the processing power to generate that entire universe at once. In reality, the digital world only exists exactly where you are looking.Frustum culling and occlusion culling are the unsung heroes of 3D graphics engineering. To save critical memory and prevent games from crashing, the rendering engine acts as a ruthless director, constantly calculating your exact field of view (the frustum). Any mountain, enemy, or building that falls outside of this invisible coneor is hidden behind another objectis instantaneously deleted from existence. The moment you turn your camera, the world is hastily rebuilt right before your eyes in a fraction of a millisecond.This technical deep dive exposes the fascinating mathematical trickery that makes modern gaming possible. You will learn how developers utilize bounding boxes, spatial partitioning, and Z-buffers to cheat hardware limitations, ensuring that the machine never wastes a single calculation on something the player cannot see.Peek behind the digital curtain. Discover the paranoid, hyper-efficient architecture of game engines, and understand the beautiful lie that allows vast virtual universes to run seamlessly on a small plastic box in your living room.

A Série Universitária foi desenvolvida pelo Senac São Paulo com o intuito de preparar profissionais para o mercado de trabalho. Os títulos abrangem diversas áreas, abordando desde conhecimentos teóri

In the early 1990s, true 3D gaming was an expensive luxury confined to massive arcade cabinets and high-end PCs. Home consoles were strictly locked into the flat, horizontal plains of traditional 2D platformers. The hardware simply lacked the processing power to calculate depth and perspective. But brilliant programmers found a mathematical loophole.Enter Mode 7, a specific graphics mode on the Super Nintendo that allowed a single flat background layer to be scaled and rotated freely in real-time. By applying simple affine texture mapping and warping the perspective, developers created the illusion of an infinite, three-dimensional horizon. This ingenious optical trick didnt actually render depth; it just bent flat pixels until the human brain believed it was racing down a track or flying an airship over a vast continent. It birthed legendary franchises like Mario Kart and F-Zero, completely redefining the physics of home entertainment.This book deconstructs the brilliant mathematics and hardware architecture behind the 16-bit eras greatest visual deception. It explains how software engineers squeezed impossible spatial mechanics out of strictly limited silicon.Revisit the golden age of console innovation. Discover how an elegant mathematical trick forced flat images to spin, scaling a 2D industry into a three-dimensional future.

When a Japanese video game is released in the West, it doesnt just undergo translation; it undergoes complete cultural reconstruction. Jokes that make sense in Tokyo fail miserably in Texas. A games success relies entirely on a hidden army of localizers who strip the code down and rebuild the narrative for a new society.Video game localization is a brutal, high-stakes branch of digital linguistics. It requires hardcoding new fonts into memory-starved retro cartridges, rewriting character arcs to avoid cultural taboos, and ensuring that lip-syncing animations align with entirely different vocal patterns. A bad localization can destroy a multi-million-dollar franchise overnight.This technical deep dive explores the history of adapting code across borders. It highlights the infamous mistranslations of the 8-bit era, the strict censorship demands of international markets, and how localizers secretly serve as the ultimate co-authors of our favorite virtual worlds.Appreciate the invisible labor that connects global gamers. Understand how manipulating language within the strict mathematical confines of an engine is the ultimate test of creative problem-solving.

Aprender novas tecnologias pode ser desafiador, especialmente quando faltam direção e fundamentos sólidos. Este livro propõe um caminho claro e estruturado para quem deseja compreender o processo de

Pour tout savoir sur la nouvelle révolution dans le monde de lintelligence artificielle : les agents IA, dans la collection informatique de référence OReilly. LIA générative a révolutionné la façon dont les entreprises traitent les problemes, en accelerant le parcours du concept au prototype puis a la solution. Et en meme temps que les modeles gagnaient en performance, nous avons assiste a lemergence dun nouveau patron de conception : les agents IA. En combinant des outils, des connaissances, de la memoire et des capacites dapprentissage avec des modeles dits de fondation, il est desormais possible de faire travailler plusieurs modeles pour resoudre des problemes particulierement complexes. Quil sagisse de codage, de recherche ou encore danalyse, les agents IA font gagner un temps precieux aux equipes dans laccomplissement de leurs taches. Et bien quils permettent de gagner en efficacite, il reste necessaire de planifier, de rediger des cahiers des charges et de passer en revue les processus de façon approfondie. En outre, leur deploiement reste un defi pour de nombreuses entreprises, dautant plus que la technologie et la recherche se developpent rapidement. Ce livre est votre guide indispensable pour vous reperer dans cet univers complexe et en evolution rapide. Son auteur Michael Albada propose une approche pratique et fondee sur son experience pour concevoir et mettre en uvre des systemes mono-agent et multi-agents. Il a a cur de presenter avec clarte les sujets complexes et de fournir des outils cles en main au lecteur en quete de solutions. Comprendre les caracteristiques propres aux differents agents IA reposant sur un modele de fondation Decouvrir les composants de base et les principes de conception des agents IA Explorer les compromis de conception et mettre en uvre des systemes multi-agents efficaces Concevoir et deployer des solutions dIA sur mesure, pour gagner en efficacite et innover dans votre domaine

When you roll a critical hit in an RPG or a rare item drops from an enemy, you feel lucky. But in the world of computing, true randomness does not exist. Computers are purely deterministic machines incapable of spontaneity. Instead, they rely on Random Number Generation (RNG)complex mathematical formulas that simulate chance based on a starting "seed," such as the consoles internal clock or the exact frame the player presses a button.For elite gamers and speedrunners, luck is highly exploitable. By meticulously analyzing the RAM and the exact frame data of classic games like Pokemon or Final Fantasy, players can perfectly predict and manipulate these hidden algorithms. They perform seemingly bizarre actions in-gamelike walking in a specific pattern or opening menus a set number of timesto advance the RNG value, guaranteeing the exact drop or enemy encounter they need on demand.This technical guide exposes the illusion of digital chance. It breaks down the intricate mathematics of pseudo-randomness and how understanding deterministic logic turns a chaotic video game into a perfectly predictable spreadsheet.Stop leaving your digital victories to fate. Learn the mathematical architecture of chance, and discover how to weaponize probability by hacking the hidden clockwork of your favorite games.

For decades, playing fast-paced fighting games over the internet was a miserable experience. The traditional delay-based netcode waited for both players signals to arrive before updating the screen, resulting in sluggish controls and underwater physics that ruined competitive play. Then came a revolution built on predictive mathematics and millisecond time travel: Rollback Netcode.This technical dive into video game engineering explains the brilliant software architecture that saved online fighting games. Instead of waiting for data, rollback netcode instantly guesses what the opponent will do next. If the guess is wrong, the game physically rewinds reality, corrects the error, and fast-forwards back to the presentall within a fraction of a second, completely invisible to the human eye.Discover the grassroots developers who fought massive Japanese studios to implement this technology and how it transformed esports during global lockdowns. It is a thrilling look at how programmers manipulate human perception and warp virtual time to create the perfect illusion of zero latency.

When "Middle-earth: Shadow of Mordor" released, it introduced a revolutionary feature: the Nemesis System. Enemies remembered you, bore physical scars from previous encounters, and climbed their own military ranks. It was a masterpiece of procedural storytelling. But instead of this mechanic becoming the new standard for the gaming industry, it vanished. Why? Because Warner Bros. successfully patented it, locking a brilliant design concept behind a legal wall.This book exposes the controversial world of software patents and intellectual property within the video game industry. It explores the dangerous precedent set by patenting game mechanicsa practice that threatens to stifle indie developers and halt medium-wide innovation. What happens when a corporation can legally own the concept of a loading screen mini-game, a dialogue wheel, or a dynamic enemy hierarchy?Dive into the corporate strategy and legal warfare that dictate how games are made. You will understand the delicate balance between protecting a creators financial investment and destroying the iterative, shared language of game design that built the industry in the first place.

In the early 1990s, home computers lacked the processing power to render true, three-dimensional worlds. Yet, games like Wolfenstein 3D and Doom managed to create incredibly fast, immersive 3D environments that ran flawlessly on basic hardware. The secret was not a hardware revolution, but a brilliant mathematical optical illusion programmed by John Carmack: Raycasting.This technical history book breaks down the elegant algorithms behind the Doom engine. It explains how raycasting works by projecting invisible lines from the players viewpoint across a 2D grid, calculating distances, and drawing vertical slices of textures to fake depth and perspective. The narrative celebrates the era of extreme software optimization, where developers had to use profound mathematical shortcuts to bypass hardware limitations.Step into the brilliant code that defined a generation of gaming. Discover how a single mathematical trick tricked our brains into seeing 3D, birthed the first-person shooter genre, and laid the algorithmic foundation for the entire modern video game industry.

A Série Universitária foi desenvolvida pelo Senac São Paulo com o intuito de preparar profissionais para o mercado de trabalho. Os títulos abrangem diversas áreas, abordando desde conhecimentos teóri

Before the advent of true 3D polygons, video game developers faced a monumental visual challenge: how do you make a completely flat, two-dimensional screen feel like a living, breathing, infinite world? The solution was not a hardware upgrade, but a brilliant hack of human visual perception.By moving different layers of background images at slightly different speedsa technique known as parallax scrollingprogrammers tricked the human eye into perceiving deep spatial depth where none existed. Slower-moving mountains in the back and fast-moving ground in the front created an incredibly immersive illusion of speed and scale. What began as a desperate technical workaround to bypass hardware limitations quickly evolved into the defining aesthetic of the 16-bit golden age.This book unpacks the ingenious mathematics and artistry behind early game rendering. It explores how legendary studios meticulously hand-painted scrolling layers to simulate complex camera movements, and how this specific technical restriction birthed a beloved visual style that modern indie developers are still desperately trying to replicate today.Revisit the visual magic of your childhood through the lens of technical mastery. Understand the exact optical illusions that made classic platformers feel alive, and appreciate the immense engineering required to fake a three-dimensional world on a two-dimensional grid.