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Advanced Bash-Scripting Guide

Advanced Bash-Scripting Guide

Дерево ван Эмде Боаса / Алгоритмы Всем доброго времени суток! Сегодня я расскажу вам об одной интересной структуре данных, про которую слышали лишь немногие и про которую очень незаслуженно мало написано в рунете, да и в англоязычном информации, в общем-то, тоже негусто. Решено было исправить ситуацию и поделиться с общественностью в доступной форме этой достаточно экзотической структурой данных. Дерево ван Эмде Боаса (van Emde Boas tree) — ассоциативный массив, который позволяет хранить целые числа в диапазоне [0; U), где U = 2k, проще говоря, числа, состоящие не более чем из k бит. Казалось бы, зачем нужно еще какое-то дерево, да еще позволяющее хранить только целые числа, когда существует множество различных сбалансриованных двоичных деревьев поиска, позволяющих выполнять операции вставки, удаления и прочие за O(log n), где n — количество элементов в дереве?

A Command Line Primer for Beginners It is a simple fact that probably better than 95% of the system adminning under both Linux and Windows can be done from the command prompt. Fortunately for the safety and security of your system, there are no fancy GUI's with extensive, context sensitive help available for them. ...and those of us who know how a number of them work, won't tell you. You're welcome.

Guide avancé d'écriture des scripts Bash Résumé Ce tutoriel ne suppose aucune connaissance de la programmation de scripts, mais permet une progression rapide vers un niveau intermédiaire/avancé d'instructions tout en se plongeant dans de petites astuces du royaume d'UNIX®. Il est utile comme livre, comme manuel permettant d'étudier seul, et comme référence et source de connaissance sur les techniques de programmation de scripts. Les exercices et les exemples grandement commentés invitent à une participation active du lecteur avec en tête l'idée que la seule façon pour vraiment apprendre la programmation de scripts est d'écrire des scripts.

Basic UNIX commands Note: not all of these are actually part of UNIX itself, and you may not find them on all UNIX machines. But they can all be used on turing in essentially the same way, by typing the command and hitting return. Note that some of these commands are different on non-Solaris machines - see SunOS differences.

How I Made $1000 Without Really Trying - Tom Creighton You know what’s great? Digital goods. In July of 2011, I launched a little store selling a little icon set called Tipogram. Interpreted Languages: PHP, Perl, Python, Ruby (Sheet One) - Hyperpolyglot a side-by-side reference sheet sheet one: version | grammar and execution | variables and expressions | arithmetic and logic | strings | regexes | dates and time | arrays | dictionaries | functions | execution control | exceptions | threads sheet two: streams | asynchronous events | files | file formats | directories | processes and environment | option parsing | libraries and namespaces | objects | inheritance and polymorphism | reflection | net and web | gui | databases | unit tests | logging | debugging sheet two: streams | asynchronous events | files | directories | processes and environment | option parsing | libraries and namespaces | objects | inheritance and polymorphism | reflection | net and web | gui | databases | unit tests | logging | debugging version used

shell script - How can I create two identical aliases in bash bash programming Hello, I am trying to teach myself shell programming so I am scripting a really cheesy addressbook sort of thing. I am having problems with for loops and arrays however. In particular, I am having problems with the function that lists all contacts. Basic UNIX Commands by Donald Hyatt The UNIX operating system has for many years formed the backbone of the Internet, especially for large servers and most major university campuses. However, a free version of UNIX called Linux has been making significant gains against Macintosh and the Microsoft Windows 95/98/NT environments, so often associated with personal computers.

PHP: a fractal of bad design - fuzzy notepad (This article has been translated into Spanish (PDF, with some additions) by Jorge Amado Soria Ramirez — thanks!) Preface I’m cranky. I complain about a lot of things. There’s a lot in the world of technology I don’t like, and that’s really to be expected—programming is a hilariously young discipline, and none of us have the slightest clue what we’re doing. Combine with Sturgeon’s Law, and I have a lifetime’s worth of stuff to gripe about. documentation The most useful software is sometimes rendered useless by poor or altogether missing documentation. Vim refuses to succumb to death by underdocumentation. With a book to extensive help files to a tips collection, all audiences should be pleased. Vim's online documentation system, accessible via the :help command, is an extensive cross-referenced and hyperlinked reference. It's kept up-to-date with the software and can answer almost any question about Vim's functionality.

Dynamic State Machines I was talking with my coworkers Jeff and Randy yesterday about some work Randy was doing implementing a finite state machine in django, and I was reminded of a pattern I've previously used to implement state machines using Python's dynamic typing to do it. In more static languages, an object is forever bound to its type, and implementing state-dependent behavior often requires using supporting classes which can be switched out to implement the variable behavior of different states. Python's dynamic nature makes this much simpler. Implementing state with dynamic typing

Vi Lovers Home Page "The Vi Lovers Home Page ... this makes a great starting point." (Learning the vi Editor, 6th Edition, O'Reilly, page 300) Contents

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