Pattern matching in functional programming languages is a way to break up expressions into individual cases. We are going to go through how to pattern match in PureScript with simple patterns, guards, array patterns and record patterns. greater :: In…
catalog . PCRE Introduction . pcre2api . pcre2jit . PCRE Programing 1. PCRE Introduction The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native…
参考:Function and Operator Reference Name Description ABS() Return the absolute value ACOS() Return the arc cosine ADDDATE() Add time values (intervals) to a date value ADDTIME() Add time AES_DECRYPT() Decrypt using AES AES_ENCRYPT() Encrypt using AES…
Scala Overview Scala is object-oriented Scala is a pure object-oriented language in the sense that every value is an object. Types and behavior of objects are described by classes and traits. Classes are extended by subclassing and a flexible mixin-b…
http://docs.oracle.com/javase/tutorial/essential/regex/index.html This lesson explains how to use the java.util.regex API for pattern matching with regular expressions. Although the syntax accepted by this package is similar to the Perl programming l…
Regular expressions are a language of their own. When you learn a new programming language, they're this little sub-language that makes no sense at first glance. Many times you have to read another tutorial, article, or book just to understand the "s…
The simplest use of Regular Expressions is to find a plain text pattern. In this lesson we'll look at at finding plain text patterns as well as using the metacharacter "." and how to escape a metacharacter. <!DOCTYPE html> <html lang=&q…
Regular expressions are a language of their own. When you learn a new programming language, they're this little sub-language that makes no sense at first glance. Many times you have to read another tutorial, article, or book just to understand the "s…
[it-ebooks]电子书列表 [2014]: Learning Objective-C by Developing iPhone Games || Leverage Xcode and Objective-C to develop iPhone games http://it-ebooks.info/book/3544/Learning Web App Development || Build Quickly with Proven JavaScript Techniques http:…
The basic functional cornerstones of Scala: immutable data types, passing of functions as parameters and pattern matching. 1. Basic Pattern Matching In Scala, your cases can include types, wildcards, sequences, regular expressions, and so forth. scal…
ECMAScript 6 Features 中文版 如词不达意,欢迎提 PR & issue 采用中英混排的方式进行译制,如不解请查看对应原文 本文档将与原作者的 文档 保持同步更新,欢迎关注 Contributors 翻译贡献者 Lenville CloudiDust Introduction Introduction 简介 ECMAScript 6, also known as ECMAScript 2015, is the latest version of the ECMAScript…
http://linux.about.com/library/cmd/blcmdl1_sh.htm http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html Linux / Unix Command: shCommand LibraryNAMEbash - GNU Bourne-Again SHell SYNOPSISbash [options] [file] DESCRIPTIONBash is an sh…
CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way. The golden rule…
This is a quick guide covering nearly all of Nemerle's features. It should be especially useful to anyone who is already familiar with C# or a similar language: Table of Contents Variables Operators Logical Operators Bit Operators Type Casts/Conversi…
Chapter 1: Building Abstractions with Procedures 2015-09-29 016 Preface of this chapter QUOTE: The acts of the mind, where in it exerts its power over simple ideas, are chiefly these three ...... (John Locke, An Essay Concerning Human Understanding).…
TABLE OF CONTENTS TRY COFFEESCRIPT ANNOTATED SOURCE CoffeeScript is a little language that compiles into JavaScript. Underneath all those awkward braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is a…
VARIABLES, RECORDS AND FIELDS AWK variables are dynamic; they come into existence when they are first used. Their values are either floating-point numbers or strings, or both, depending upon how they are used. AWK also has one dimensional arrays;…
##Linear Regression with One Variable Linear regression predicts a real-valued output based on an input value. We discuss the application of linear regression to housing price prediction, present the notion of a cost function, and introduce the gradi…
BASH(1) General Commands Manual BASH(1) NAME bash - GNU Bourne-Again SHell SYNOPSIS bash [options] [command_string | file] COPYRIGHT Bash is Copyright (C) 1989-2013 by the Free Software Foundation, Inc. DESCRIPTION Bash is an sh-compatible command la…
Note to the Reader - Docs Being Revised for Selenium 2.0! Introduction Test Automation for Web Applications To Automate or Not to Automate? Introducing Selenium Brief History of The Selenium Project Selenium’s Tool Suite Choosing Your Selenium Tool S…
这是Elixir的作者 José Valim 参与的一次技术访谈,很有料,我们可以了解Elixir的一些设计初衷,目标等等. 原文在: http://rubyrogues.com/114-rr-elixir-with-jose-valim/ Podcast 下载地址: http://traffic.libsyn.com/rubyrogues/RR114Elixir.mp3 缘起 José Valim 谈到了 ‘Seven Languages in Seven Weeks’ 对他的影响,原文是听…
1. 语法糖--元组的"名称引用"与"位置引用": (e1,...,en) <=> {1=e1,...,n=en} 类型:t1 * - * tn <=> {1:t1,...,n:tn} 2. 自定义数据类型绑定: datatype mytype = TwoInts of int * int | Str of string | Pizza 3. 访问自定义数据类型的值: fun f x = (* f has type mytype ->…
