David Beazley

Brian K. Jones

If you need help writing programs in Python 3, or want to update older Python 2 code, this book is just the ticket. Packed with practical recipes written and tested with Python 3.3, this unique cookbook is for experienced Python programmers who want to focus on modern tools and idioms. Inside, you’ll find complete recipes for more than a dozen topics, covering the core Python language as well as tasks common to a wide variety of application domains. Each recipe contains code samples you can use in your projects right away, along with a discussion about how and why the solution works. Topics include: Data Structures and Algorithms Strings and Text Numbers, Dates, and Times Iterators and Generators Files and I/O Data Encoding and Processing Functions Classes and Objects Metaprogramming Modules and Packages Network and Web Programming Concurrency Utility Scripting and System Administration Testing, Debugging, and Exceptions C Extensions

Recipes for Mastering Python 3

Python Cookbook

Python Cookbook, Third edition

William von Hagen

Today's system administrators deal with a vast number of situations, operating systems, software packages, and problems. Those who are in the know have kept their copy of Linux Server Hacks close at hand to ease their burden. And while this helps, it's not enough: any sys admin knows there are many more hacks, cool tips, and ways of solving problems than can fit in a single volume (one that mere mortals can lift, that is). Which is why we created Linux Server Hacks, Volume Two, a second collection of incredibly useful tips and tricks for finding and using dozens of open source tools you can apply to solve your sys admin problems. The power and flexibility of Linux and Open Source means that there is an astounding amount of great software out there waiting to be applied to your sys admin problems -- if only you knew about it and had enough information to get started. Hence, Linux Server Hacks, Volume Two. This handy reference offers 100 completely new server management tips and techniques designed to improve your productivity and sharpen your administrative skills. Each hack represents a clever way to accomplish a specific task, saving you countless hours of searching for the right answer. No more sifting through man pages, HOWTO websites, or source code comments -- the only resource you need is right here. And you don't have to be a system administrator with hundreds of boxen to get something useful from this book as many of the hacks apply equally well to a single system or a home network. Compiled by experts, these hacks not only give you the step-by-step instructions necessary to implement the software, but they also provide the context to truly enable you to learn the technology. Topics include: Authentication Remote GUI connectivity Storage management File sharing and synchronizing resources Security/lockdown instruction Log files and monitoring Troubleshooting System rescue, recovery, and repair Whether they help you recover lost data, collect information from distributed clients, or synchronize administrative environments, the solutions found in Linux Server Hacks, Volume Two will simplify your life as a system administrator.

Tips & Tools for Connecting, Monitoring, and Troubleshooting

Linux Server Hacks, Volume Two

G.P. Zhigal'skii

Thin films of conducting materials, such as metals, alloys and semiconductors are currently in use in many areas of science and technology, particularly in modern integrated circuit microelectronics that require high quality thin films for the manufacture of connection layers, resistors and ohmic contacts. These conducting films are also important for fundamental investigations in physics, radio-physics and physical chemistry. Physical Properties of Thin Metal Films provides a clear presentation of the complex physical properties particular to thin conducting films and includes the necessary theory, confirming experiments and applications. The volume will be an invaluable reference for graduates, engineers and scientists working in the electronics industry and fields of pure and applied science.

The Physical Properties of Thin Metal Films

Se precisar de ajuda para escrever programas em Python 3 ou desejar atualizar códigos antigos que estejam em Python 2, este livro é seu passaporte para isso. Cheio de receitas práticas, escritas e testadas com Python 3.3, este cookbook único está voltado para programadores experientes de Python que querem focar em ferramentas e códigos modernos. Neste livro, você encontrará receitas completas para mais de uma dúzia de tópicos que abordam a parte essencial da linguagem Python, bem como tarefas comuns a uma ampla variedade de áreas de aplicação. Toda receita contém exemplos de código que podem ser utilizados imediatamente em seus projetos, juntamente com uma discussão sobre como e por que a solução funciona. Os tópicos incluem: •Estruturas de dados e algoritmos •Strings e textos •Números, datas e horas •Iteradores e geradores •Arquivos e I/O •Codificação e processamento de dados •Funções •Classes e objetos •Metaprogramação •Módulos e pacotes •Redes e programação web •Concorrência •Criação de scripts utilitários e administração de sistemas •Testes, depuração e exceções •Extensões C

Brian K. Jones

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