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Execute Python Online. Python Cloud IDE. Labs. Perl Tutorial. Perl is a programming language developed by Larry Wall, especially designed for text processing.

Perl Tutorial

Though Perl is not officially an acronym but many times it is used as it stands for Practical Extraction and Report Language. It runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. This tutorial provides a complete understanding on Perl. About ShellCheck. This page has been deprecated!

About ShellCheck

Please see github.com/koalaman/shellcheck for updated information! ShellCheck is a static analysis and linting tool for sh/bash scripts. It's mainly focused on handling typical beginner and intermediate level syntax errors and pitfalls where the shell just gives a cryptic error message or strange behavior, but it also reports on a few more advanced issues where corner cases can cause delayed failures. Haskell source code is available on GitHub! Try ShellCheck online Go to ShellCheck.net to copy-paste a shell script and get immediate, automatic feedback. The online version is always synced against the latest git commit. Orion - Open Source Web and Cloud Development Environment.

JetBrains PhpStorm. Tutorials. CodeCombat - Learn how to code by playing a game. Working with Dialog Controls in LibreOffice Calc using Macro – Part 1. Sourcegraph. Execute Perl Script Online. Comparison of programming paradigms. This article attempts to set out the various similarities and differences between the various programming paradigms as a summary in both graphical and tabular format with links to the separate discussions concerning these similarities and differences in extant Wikipedia articles.

Comparison of programming paradigms

Main paradigm approaches[edit] The following are considered[by whom?] The main programming paradigms. There is inevitably some overlap in these paradigms but the main features or identifiable differences are summarized in the following table: Differences in terminology[edit] Language support[edit] Some programmers feel that these features are unimportant or even frivolous. Video Training - O'Reilly Media. “WOWSER!

Video Training - O'Reilly Media

Only way I can describe this video series.” — Jon Guenther “I loved this tutorial! After trying several, this one was the one that really got me going with Python.” — Roxam. JSbooks - free javascript books. Prettyprinter.de. Code Maven from Crunchzilla. <h2>Code Maven gets teens excited about programming.

Code Maven from Crunchzilla

It is an interactive tutorial where anyone can experiment with learning to code. <p> Code Maven from Crunchzilla uses Javascript. Please enable Javascript if you want to play with Code Maven. Otherwise, Code Maven will not be able to play with you. Software design pattern. In software engineering, a software design pattern is a general reusable solution to a commonly occurring problem within a given context in software design.

Software design pattern

It is not a finished design that can be transformed directly into source or machine code. It is a description or template for how to solve a problem that can be used in many different situations. Design patterns are formalized best practices that the programmer can use to solve common problems when designing an application or system. Design Patterns. It has been highly influential to the field of software engineering and is regarded as an important source for object-oriented design theory and practice.

Design Patterns

More than 500,000 copies have been sold in English and in 13 other languages. The authors are often referred to as the Gang of Four (GoF).[1] History[edit] Introduction, Chapter 1[edit] Code & Conquer. Most Important: Have Fun.

Code & Conquer

And earn some badges. See how your strategy works out in different scenarios, challenge other players, receive points, earn badges and climb your way to the top of the leaderboard. Boost your coding skills. Do it playing. This game provides the perfect setting to introduce the key concepts employers ask you to know. Comparison of programming paradigms. This article attempts to set out the various similarities and differences between the various programming paradigms as a summary in both graphical and tabular format with links to the separate discussions concerning these similarities and differences in extant Wikipedia articles.

Comparison of programming paradigms

Main paradigm approaches[edit] The following are considered[by whom?] The main programming paradigms. Toward a better programming. This post is based on my talk, "Finding a way out", from Strange Loop 2013 When I built the original prototype of Light Table I didn't have any grand purpose or goal in mind.

Toward a better programming

I simply had some ideas on how programming could be better and I wanted to see how hard they would be to build. Until fairly recently, it never dawned on me that I've actually spent the past decade trying out ideas on how programming could be better, from web frameworks, to Visual Studio, to Light Table and its future. And it wasn't until I had that realization that I also came to the conclusion that I'd been going about this all wrong.

Perl Tutorial Course. Introductory Perl Tutorial Course for Windows This introductory Perl tutorial course for Windows will introduce you to the beginning concepts of Perl in a familiar Windows environment and show you how to set it up for CGI with a web server running on your own box. I wrote this course as an accompaniment to a classroom course in Perl, but now this website is visited by Perl students from around the world. In addition to the basic Perl content, an appendix contains instructions on installing Perl and suggestions for a couple of web servers to run on your Windows PC. If you are following this course on your own, please follow it in sequence. The ideas are presented carefully so that each section builds on the sections before. Sedsed. Lesson 6 - Tuples, Lists, and Dictionaries. Introduction Your brain still hurting from the last lesson? Never worry, this one will require a little less thought.

We're going back to something simple - variables - but a little more in depth. Think about it - variables store one bit of information. Comparison of programming paradigms. Welcome - Learn Python - Free Interactive Python Tutorial. Looping the loop. In the last exercise we printed out part of the 12 times table. CodingBat.

In Python, when to use a Dictionary, List or Set? Rosetta Code. Python Overview. Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable. It uses English keywords frequently where as other languages use punctuation, and it has fewer syntactical constructions than other languages. Python is Interpreted: Python is processed at runtime by the interpreter. You do not need to compile your program before executing it. Bash Hackers Wiki Frontpage.

Examples of small bash programs. Back to Main Page Here is a set of small scripts, which demonstrate some features of bash programming. Linux Shell Scripting Tutorial - A Beginner's handbook. Tutorials. Open Vim. Awk - A Tutorial and Introduction - by Bruce Barnett. Your browser does not have Javascript enabled. I use Javascript for analytics, and to show ads which pay for the maintenance Last modified: Thu Apr 23 16:37:47 EDT 2015 Part of the Unix tutorials And then there's My blog Table of Contents Copyright 1994,1995 Bruce Barnett and General Electric Company Copyright 2001, 2004, 2013, 2014 Bruce Barnett All rights reserved You are allowed to print copies of this tutorial for your personal use, and link to this page, but you are not allowed to make electronic copies, or redistribute this tutorial in any form without permission.

Python Cloud IDE. Tech Stuff - Regular Expressions - A Gentle User Guide and Tutorial. A Regular Expression is the term used to describe a codified method of searching invented, or defined, by the American mathematician Stephen Kleene. The syntax (language format) described on this page is compliant with extended regular expressions (EREs) defined in IEEE POSIX 1003.2 (Section 2.8). EREs are now commonly supported by Apache, PERL, PHP4, Javascript 1.3+, MS Visual Studio, most visual editors, vi, emac, the GNU family of tools (including grep, awk and sed) as well as many others.

Extended Regular Expressions (EREs) will support Basic Regular Expressions (BREs are essentially a subset of EREs). Most applications, utilities and laguages that implement RE's, especially PERL, extend the capabilities defined and this has become, mostly, the de facto standard. The appropriate documentation should always be consulted. Translation: The page has been translated into Bulgarian, courtesy of Albert Ward - thanks.

Contents The title is deceptive. Bash Guide for Beginners. The Linux Documentation Project. Awk - A Tutorial and Introduction - by Bruce Barnett. Your browser does not have Javascript enabled.