Appendix a Setting up a Local Web Server
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Introduction to React.Js
Introduction to React A workshop for COMP 523 Aaron Smith Monday, Feb. 10, 2020 What is React? • React is a JavaScript framework • Used for front end web development • Think of jQuery, but more structured • Created and used by Facebook • Famous for implementing a virtual dom Timeline of front-end JavaScript frameworks jQuery* AngularJS React Vue Angular (2006) (2010) (2013) (2014) (2014) * jQuery is more often considered a library than a framework Common tasks in front-end development App state Data definition, organization, and storage User actions Event handlers respond to user actions Templates Design and render HTML templates Routing Resolve URLs Data fetching Interact with server(s) through APIs and AJAX Fundamentals of React 1. JavaScript and HTML in the same file (JSX) 2. Embrace functional programming 3. Components everywhere JavaScript and HTML in the same file HTML CSS JS JSX CSS or JSS Traditional React approach approach JSX: the React programming language const first = "Aaron"; const last = "Smith"; const name = <span>{first} {last}</span>; const list = ( const listWithTitle = ( <ul> <> <li>Dr. David Stotts</li> <h1>COMP 523</h1> <li>{name}</li> <ul> </ul> <li>Dr. David Stotts</li> ); <li>{name}</li> </ul> </> ); “React is just JavaScript” Functional programming 1. Functions are “first class citizens” 2. Variables are immutable 3. Functions have no side effects Functional programming Functions are “first class citizens” let add = function() { console.log('Now adding numbers'); const five = 3 + 2; }; function foo() { return -
Apple Software Design Guidelines
Apple Software Design Guidelines May 27, 2004 Java and all Java-based trademarks are Apple Computer, Inc. trademarks or registered trademarks of Sun © 2004 Apple Computer, Inc. Microsystems, Inc. in the U.S. and other All rights reserved. countries. OpenGL is a trademark of Silicon Graphics, No part of this publication may be Inc. reproduced, stored in a retrieval system, or transmitted, in any form or by any means, PowerPC and and the PowerPC logo are mechanical, electronic, photocopying, trademarks of International Business recording, or otherwise, without prior Machines Corporation, used under license written permission of Apple Computer, Inc., therefrom. with the following exceptions: Any person Simultaneously published in the United is hereby authorized to store documentation States and Canada. on a single computer for personal use only Even though Apple has reviewed this manual, and to print copies of documentation for APPLE MAKES NO WARRANTY OR personal use provided that the REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THIS MANUAL, documentation contains Apple's copyright ITS QUALITY, ACCURACY, notice. MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS The Apple logo is a trademark of Apple MANUAL IS SOLD ªAS IS,º AND YOU, THE PURCHASER, ARE ASSUMING THE ENTIRE Computer, Inc. RISK AS TO ITS QUALITY AND ACCURACY. Use of the ªkeyboardº Apple logo IN NO EVENT WILL APPLE BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, (Option-Shift-K) for commercial purposes OR CONSEQUENTIAL DAMAGES without the prior written consent of Apple RESULTING FROM ANY DEFECT OR may constitute trademark infringement and INACCURACY IN THIS MANUAL, even if advised of the possibility of such damages. -
Pragmatic Guide to Javascript
www.allitebooks.com What Readers Are Saying About Pragmatic Guide to J a v a S c r i p t I wish I had o w n e d this book when I first started out doing JavaScript! Prag- matic Guide to J a v a S c r i p t will take you a big step ahead in programming real-world JavaScript by showing you what is going on behind the scenes in popular JavaScript libraries and giving you no-nonsense advice and back- ground information on how to do the right thing. W i t h the condensed years of e x p e r i e n c e of one of the best JavaScript developers around, it’s a must- read with great reference to e v e r y d a y JavaScript tasks. Thomas Fuchs Creator of the script.aculo.us framework An impressive collection of v e r y practical tips and tricks for getting the most out of JavaScript in today’s browsers, with topics ranging from fundamen- tals such as form v a l i d a t i o n and JSON handling to application e x a m p l e s such as mashups and geolocation. I highly recommend this book for anyone wanting to be more productive with JavaScript in their web applications. Dylan Schiemann CEO at SitePen, cofounder of the Dojo T o o l k i t There are a number of JavaScript books on the market today, b u t most of them tend to focus on the new or inexperienced JavaScript programmer. -
THE FUTURE of SCREENS from James Stanton a Little Bit About Me
THE FUTURE OF SCREENS From james stanton A little bit about me. Hi I am James (Mckenzie) Stanton Thinker / Designer / Engineer / Director / Executive / Artist / Human / Practitioner / Gardner / Builder / and much more... Born in Essex, United Kingdom and survived a few hair raising moments and learnt digital from the ground up. Ok enough of the pleasantries I have been working in the design field since 1999 from the Falmouth School of Art and onwards to the RCA, and many companies. Ok. less about me and more about what I have seen… Today we are going to cover - SCREENS CONCEPTS - DIGITAL TRANSFORMATION - WHY ASSETS LIBRARIES - CODE LIBRARIES - COST EFFECTIVE SOLUTION FOR IMPLEMENTATION I know, I know, I know. That's all good and well, but what does this all mean to a company like mine? We are about to see a massive change in consumer behavior so let's get ready. DIGITAL TRANSFORMATION AS A USP Getting this correct will change your company forever. DIGITAL TRANSFORMATION USP-01 Digital transformation (DT) – the use of technology to radically improve performance or reach of enterprises – is becoming a hot topic for companies across the globe. VERY DIGITAL CHANGING NOT VERY DIGITAL DIGITAL TRANSFORMATION USP-02 Companies face common pressures from customers, employees and competitors to begin or speed up their digital transformation. However they are transforming at different paces with different results. VERY DIGITAL CHANGING NOT VERY DIGITAL DIGITAL TRANSFORMATION USP-03 Successful digital transformation comes not from implementing new technologies but from transforming your organisation to take advantage of the possibilities that new technologies provide. -
Using the Dojo Toolkit in a Webworks Application Michelle Mendoza RIM Developer Relations Dylan Schiemann Co-Founder of Dojo Toolkit & CEO of Sitepen Inc
Using the Dojo Toolkit in a WebWorks application Michelle Mendoza RIM Developer Relations Dylan Schiemann Co-founder of Dojo Toolkit & CEO of SitePen Inc. Agenda What is Dojo? Using the Dojo Mobile package Dojo Mobile Application Demos Basic Code Walkthrough Q&A 2 Dojo Toolkit Build sophisticated Web apps http://dojotoolkit.org/ Supports multiple browsers Enables rapid development Philosophy: Push the limits (SVG, WebGL, HTML5) Define & adopt defacto standards Developer productivity & tools Open, free & liberally licensed Toolkit Components Dojo – also known as “core”, AJAX, DOM manipulation, class-like programming, events Dijit – extensive set of UI components known as widgets DojoX – collection of packages and modules built upon Dojo core and Dijit dojox/mobile dojox/gfx dojox/charting and many more Util – utility scripts Create optimized builds DOH: Dojo Objective Harness 4 Dojo 1.8 Dojo 1.8 Improvements Performance optimizations New widgets added 175 sub-packages and 1400 modules Much improved documentation 5 AMD - Asynchronous Module Definition Mechanism allows modules and dependencies to be loaded asynchronously Asynchronous format reduces app loading time Better performance, easier code handling Only load the modules you require Dojo has a lightweight AMD loader of < 4kb Reduce page load time by up to 10x 6 Interactive Experience Grid displays Dynamic charts Various Form Controls and Form Validators Cross Platform graphics Mapping using OpenLayers Animated effects Gauges 7 Interactive Experience -
Mixins and Traits
◦ ◦◦◦ TECHNISCHE UNIVERSITAT¨ MUNCHEN¨ ◦◦◦◦ ◦ ◦ ◦◦◦ ◦◦◦◦ ¨ ¨ ◦ ◦◦ FAKULTAT FUR INFORMATIK Programming Languages Mixins and Traits Dr. Michael Petter Winter 2016/17 What advanced techiques are there besides multiple implementation inheritance? Outline Design Problems Cons of Implementation Inheritance 1 Inheritance vs Aggregation 1 2 (De-)Composition Problems Lack of finegrained Control 2 Inappropriate Hierarchies Inheritance in Detail A Focus on Traits 1 A Model for single inheritance 1 2 Inheritance Calculus with Separation of Composition and Inheritance Expressions Modeling 2 3 Modeling Mixins Trait Calculus Mixins in Languages Traits in Languages 1 (Virtual) Extension Methods 1 Simulating Mixins 2 Squeak 2 Native Mixins Reusability ≡ Inheritance? Codesharing in Object Oriented Systems is often inheritance-centric. Inheritance itself comes in different flavours: I single inheritance I multiple inheritance All flavours of inheritance tackle problems of decomposition and composition The Adventure Game Door ShortDoor LockedDoor canPass(Person p) canOpen(Person p) ? ShortLockedDoor canOpen(Person p) canPass(Person p) The Adventure Game Door <interface>Doorlike canPass(Person p) canOpen(Person p) Short canPass(Person p) Locked canOpen(Person p) ShortLockedDoor ! Aggregation & S.-Inheritance Door must explicitely provide canOpen(Person p) chaining canPass(Person p) Doorlike must anticipate wrappers ) Multiple Inheritance X The Wrapper FileStream SocketStream read() read() write() write() ? SynchRW acquireLock() releaseLock() ! Inappropriate Hierarchies -
Declaring Vars in Class Php
Declaring Vars In Class Php Is Tobe Esculapian or misformed after aluminous Neall plopping so magnanimously? Forrest corresponds prolixly? Forbidden Osmund sometimes pargets any lilliputian yell guardedly. How variable as int, php in using interpolation rather than configured one of people prefer to override whatever information useful whenever you call it leads to expose parts that We daily work with advertisers relevant to our readers. Acceptable in php programmers and retry saving again, declaration must be. Declaring a property but a class is an exact task use one table the keyword public protected or private followed by a normal variable declaration If. If you wrong there holding an IE bug with var a foo only declaring a global for file scope. Your class declaration format is declared protected field? You help also define methods in the class that allow tool to manipulate the values of object properties and perform operations on objects. PHP Class Properties Tutorials by Supun Kavinda. An amazon associate we declare the class in declarations as containers for our clients in the usages of a name given client exits and in? How clean and in declaring a class declaration scope in the vars of that are their parent selector. Using long array syntax array 1 2 3 for declaring arrays is generally. By declaring a class declaration, classes and see for? It turns out some interview situations, every time to magento source and other class names but you have a common occurrence, therefore considered a value. The var keyword in PHP is used to declare the property or variable of class which is primitive by default The var keyword is alike as out when declaring variables or root of a class Note The var keyword was deprecated from version 50. -
Paweł Rajba [email protected]
Paweł Rajba [email protected] http://itcourses.eu/ Wprowadzenie Zalety Wady XMLHttpRequest AJAX w praktyce AJAX + jQuery SOP, CORS i JSONP Literatura Z czego się składa? . JavaScript + DOM . Obiekt XMLHttpRequest . Jakakolwiek technologia po stronie serwera AJAX to nic nowego (w pewnym sensie) . Technoogie w roku 1998 . Artykuł Jesse James Garreta w roku 2005 Jak to działa? . Nagłówek X-Requested-With: XMLHttpRequest Aplikacje są bardziej interaktywne . Szybsza aktualizacja treści na stronie . Mniejsze zużycie pasma Daje możliwość tworzenia bardziej rozbudowanych interfejsów użytkownika Wykorzystuje istniejące technologie Domyślnie aplikacja widoczna pod tylko jednym adresem: . Nie działa przycisk wstecz, który wg raportu Jacoba Nielsena jest pod drugą pod względem użyteczności funkcją nawigacyjną . Stan aplikacji jest reprezentowany przez adres URL ▪ przez co nie można go zapisać np. do zakładek ▪ uniemożliwia to reklamę ,,pantoflową’’ jak też zwykłe przesyłanie linków znajomym . Można to obejść, ale wymaga dodatkowej pracy Silniki wyszukiwarek mogą mieć problemy z poprawnym indeksowaniem stron Trudniej debugować Trudniej testować Metody obiektu XMLHttpRequest . abort() – przerywa żądanie . getResponseHeader( klucz ) – pobiera wartość pola nagłówka http . open( metoda, Uri, [async, [nazwa_użytkownika, [hasło]]]) – określa parametry żądania: ▪ metoda – GET lub POST ▪ Uri – adres żądania ▪ async – czy asynchronicznie (domyślnie true) ▪ użytkownik, hasło – możemy podać, jeśli dostęp do zasobu wymaga uwierzytelnienia -
IADIS Conference Template
www.seipub.org/ie Information Engineering (IE) Volume 3, 2014 Performance and Quality Evaluation of jQuery Javascript Framework Andreas Gizas, Sotiris P. Christodoulou, Tzanetos Pomonis HPCLab, Computer Engineering & Informatics Dept., University of Patras Rion, Patras Received Jun 10, 2013; Revised Jun 21, 2013; Accepted Mar 12, 2014; Published Jun 12, 2014 © 2014 Science and Engineering Publishing Company Abstract devices. Mobile web is the name of this new field of The scope of this work is to provide a thorough web applications and JavaScript is expected to play a methodology for quality and performance evaluation of the major role in its development with the evolution of most popular JavaScript framework, the jQuery Framework, new devices and standards (ex. iPhone, Android) or as by taking into account well established software quality the heart of cross platform applications (like factors and performance tests. The JavaScript programming phonegap.com). There are also proposals for language is widely used for web programming and employing JavaScript in server-side applications increasingly, for general purpose of computing. Since the (Server-Side JavaScript Reference v1.2). growth of its popularity and the beginning of web 2.0 era, many JavaScript frameworks have become available for Due to the plethora of applications that JavaScript programming rich client-side interactions in web serves and the variety of programming needs, applications. The jQuery project and its community serve frameworks have been created in order to help both today as a major part of web programmers. The main programmers and end-users. These frameworks aim to outcome of this work is to highlight the pros and cons of be a useful tool for simplifying JavaScript code jQuery in various areas of interest and signify which and development and repeat blocks of code by using just a where the weak points of its code are. -
Learning Javascript Design Patterns
Learning JavaScript Design Patterns Addy Osmani Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo Learning JavaScript Design Patterns by Addy Osmani Copyright © 2012 Addy Osmani. All rights reserved. Revision History for the : 2012-05-01 Early release revision 1 See http://oreilly.com/catalog/errata.csp?isbn=9781449331818 for release details. ISBN: 978-1-449-33181-8 1335906805 Table of Contents Preface ..................................................................... ix 1. Introduction ........................................................... 1 2. What is a Pattern? ...................................................... 3 We already use patterns everyday 4 3. 'Pattern'-ity Testing, Proto-Patterns & The Rule Of Three ...................... 7 4. The Structure Of A Design Pattern ......................................... 9 5. Writing Design Patterns ................................................. 11 6. Anti-Patterns ......................................................... 13 7. Categories Of Design Pattern ............................................ 15 Creational Design Patterns 15 Structural Design Patterns 16 Behavioral Design Patterns 16 8. Design Pattern Categorization ........................................... 17 A brief note on classes 17 9. JavaScript Design Patterns .............................................. 21 The Creational Pattern 22 The Constructor Pattern 23 Basic Constructors 23 Constructors With Prototypes 24 The Singleton Pattern 24 The Module Pattern 27 iii Modules 27 Object Literals 27 The Module Pattern -
Mixin-Based Programming in C++1
Mixin-Based Programming in C++1 Yannis Smaragdakis Don Batory College of Computing Department of Computer Sciences Georgia Institute of Technology The University of Texas at Austin Atlanta, GA 30332 Austin, Texas 78712 [email protected] [email protected] Abstract. Combinations of C++ features, like inheritance, templates, and class nesting, allow for the expression of powerful component patterns. In particular, research has demonstrated that, using C++ mixin classes, one can express lay- ered component-based designs concisely with efficient implementations. In this paper, we discuss pragmatic issues related to component-based programming using C++ mixins. We explain surprising interactions of C++ features and poli- cies that sometimes complicate mixin implementations, while other times enable additional functionality without extra effort. 1 Introduction Large software artifacts are arguably among the most complex products of human intellect. The complexity of software has led to implementation methodologies that divide a problem into manageable parts and compose the parts to form the final prod- uct. Several research efforts have argued that C++ templates (a powerful parameteriza- tion mechanism) can be used to perform this division elegantly. In particular, the work of VanHilst and Notkin [29][30][31] showed how one can implement collaboration-based (or role-based) designs using a certain templatized class pattern, known as a mixin class (or just mixin). Compared to other techniques (e.g., a straightforward use of application frameworks [17]) the VanHilst and Notkin method yields less redundancy and reusable components that reflect the structure of the design. At the same time, unnecessary dynamic binding can be eliminated, result- ing into more efficient implementations. -
“Web Development Using Python” 01 April 2021
A Report on the Webinar “Web development using Python” 01 April 2021 Organized by ‘Anacron’, Students association of the Department of Computer Science and Engineering, Akshaya College of Engineering and Technology A webinar, “Web development using Python” was organized by the students’ association, ‘Anacron’ of the department of Computer Science and Engineering, on 1-4-21. A brief report of the same is given below. WELCOME ADDRESS: Welcome address was given by Dr. N. Rajkumar, HOD/CSE, ACET. INTRODUCTION OF CHIEF GUEST Ms. J. Rajichellam completed her UG degree B.E CSE in Madurai Institute of Engineering and Technology. She is having certificates of proficiency in C, C++, HTML5, CSS, Javascript, Jquery, etc.,. She is having more than 6 years of industrial experience and currently working as Technical trainer in Elysium Academy. CHIEF GUEST PRESENTATION: Ms. J. Rajichellam started her presentation with a brief note about the future for Web development using python and then explained about the career opportunities in Python. She also explained as to why students should be well versed in python. She also urged the students to have a goal for their career and for that they should envisage a plan. She opined that without a plan they can’t achieve success. She said, Web development is an umbrella term for conceptualizing, creating, deploying and operating web applications and application programming interfaces for the web. She basically gave explanation for three topics. 1. Why is web development important? The web has grown a mindboggling amount in the number of sites, users and implementation capabilities since the first website went live in 1989.