Procedurally Generated Landscape As a Visualization of C# Code
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Building Openjfx
Building OpenJFX Building a UI toolkit for many different platforms is a complex and challenging endeavor. It requires platform specific tools such as C compilers as well as portable tools like Gradle and the JDK. Which tools must be installed differs from platform to platform. While the OpenJFX build system was designed to remove as many build hurdles as possible, it is necessary to build native code and have the requisite compilers and toolchains installed. On Mac and Linux this is fairly easy, but setting up Windows is more difficult. If you are looking for instructions to build FX for JDK 8uNNN, they have been archived here. Before you start Platform Prerequisites Windows Missing paths issue Mac Linux Ubuntu 18.04 Ubuntu 20.04 Oracle Enterprise Linux 7 and Fedora 21 CentOS 8 Common Prerequisites OpenJDK Git Gradle Ant Environment Variables Getting the Sources Using Gradle on The Command Line Build and Test Platform Builds NOTE: cross-build support is currently untested in the mainline jfx-dev/rt repo Customizing the Build Testing Running system tests with Robot Testing with JDK 9 or JDK 10 Integration with OpenJDK Understanding a JDK Modular world in our developer build Adding new packages in a modular world First Step - development Second Step - cleanup Before you start Do you really want to build OpenJFX? We would like you to, but the latest stable build is already available on the JavaFX website, and JavaFX 8 is bundled by default in Oracle JDK 8 (9 and 10 also included JavaFX, but were superseded by 11, which does not). -
SME: a High Productivity FPGA Tool for Software Programmers
1 SME: A High Productivity FPGA Tool for Software Programmers Carl-Johannes Johnsen∗, Alberte Thegler∗, Kenneth Skovhede∗, and Brian Vinter† {∗Niels Bohr Institute, University of Copenhagen, † Faculty of Technical Sciences, Aarhus University} Abstract—For several decades, the CPU has been the standard model to use in the majority of computing. While the CPU does excel in some areas, heterogeneous computing, such as reconfigurable hardware, is showing increasing potential in areas like parallelization, performance, and power usage. This is especially prominent in problems favoring deep pipelining or tight latency requirements. However, due to the nature of these problems, they can be hard to program, at least for software developers. Synchronous Message Exchange (SME) is a runtime environment that allows development, testing and verification of hardware designs for FPGA devices in C#, with access to modern debugging and code features. The goal is to create a framework for software developers to easily implement systems for FPGA devices without having to obtain heavy hardware programming knowledge. This article presents a short introduction to the SME model as well as new updates to SME. Lastly, a selection of student projects and examples will be presented in order to show how it is possible to create quite complex structures in SME, even by students with no hardware experience. Index Terms—Reconfigurable hardware, Modeling techniques, Simulation, Verification, Hardware description languages, Computers and Education ✦ 1 INTRODUCTION The use of CPUs for programming is an incredibly flexi- simpler than other methods [4] and initial results also show ble approach that allows the same hardware to be deployed that the SME model allows students familiar with sequential in many different scenarios, and also enables seamless up- programming to pick up the parallelism [5]. -
Retrocomputing As Preservation and Remix
Retrocomputing as Preservation and Remix Yuri Takhteyev Quinn DuPont University of Toronto University of Toronto [email protected] [email protected] Abstract This paper looks at the world of retrocomputing, a constellation of largely non-professional practices involving old computing technology. Retrocomputing includes many activities that can be seen as constituting “preservation.” At the same time, it is often transformative, producing assemblages that “remix” fragments from the past with newer elements or joining together historic components that were never combined before. While such “remix” may seem to undermine preservation, it allows for fragments of computing history to be reintegrated into a living, ongoing practice, contributing to preservation in a broader sense. The seemingly unorganized nature of retrocomputing assemblages also provides space for alternative “situated knowledges” and histories of computing, which can sometimes be quite sophisticated. Recognizing such alternative epistemologies paves the way for alternative approaches to preservation. Keywords: retrocomputing, software preservation, remix Recovering #popsource In late March of 2012 Jordan Mechner received a shipment from his father, a box full of old floppies. Among them was a 3.5 inch disk labelled: “Prince of Persia / Source Code (Apple) / ©1989 Jordan Mechner (Original).” Mechner’s announcement of this find on his blog the next day took the world of nerds by storm.1 Prince of Persia, a game that Mechner single-handedly developed in the late 1980s, revolutionized computer games when it came out due to its surprisingly realistic representation of human movement. After being ported to DOS and Apple’s Mac OS in the early 1990s the game sold 2 million copies (Pham, 2001). -
The Past, Present, and Future of Software Evolution
The Past, Present, and Future of Software Evolution Michael W. Godfrey Daniel M. German Software Architecture Group (SWAG) Software Engineering Group School of Computer Science Department of Computer Science University of Waterloo, CANADA University of Victoria, CANADA email: [email protected] email: [email protected] Abstract How does our system compare to that of our competitors? How easy would it be to port to MacOS? Are users still Change is an essential characteristic of software devel- angry about the spyware incident? As new features are de- opment, as software systems must respond to evolving re- vised and deployed, as new runtime platforms are envis- quirements, platforms, and other environmental pressures. aged, as new constraints on quality attributes are requested, In this paper, we discuss the concept of software evolu- so must software systems continually be adapted to their tion from several perspectives. We examine how it relates changing environment. to and differs from software maintenance. We discuss in- This paper explores the notion of software evolution. We sights about software evolution arising from Lehman’s laws start by comparing software evolution to the related idea of software evolution and the staged lifecycle model of Ben- of software maintenance and briefly explore the history of nett and Rajlich. We compare software evolution to other both terms. We discuss two well known research results of kinds of evolution, from science and social sciences, and we software evolution: Lehman’s laws of software evolution examine the forces that shape change. Finally, we discuss and the staged lifecycle model of Bennett and Rajlich. We the changing nature of software in general as it relates to also relate software evolution to biological evolution, and evolution, and we propose open challenges and future di- discuss their commonalities and differences. -
Profile Stavros Mavrokefalidis
Profile Stavros Mavrokefalidis Software Development and Consulting Microsoft .NET teamstep GmbH Frankenstraße 14, 46487 Wesel (DE) Tel.: +49 2859 9098809 Fax: +49 2859 901458 Mobile: +49 151 14934862 www.teamstep-gmbh.de [email protected] Date of Birth: 01/03/1971 Place of Birth: Thessaloniki / Greece Marital Status: Married, one son Languages: German & Greek (fluent), English (good) IT-Experience: 21 Years Rate: negotiable Focus • Software design and development with Microsoft Technologies • Visual Studio, Azure DevOps, TFS, Git, SQL-Server • Object-oriented analysis and design • N-Tier and Client/Server, Microservices • SCRUM and Waterfall based methodologies • Development of requirements, estimates, functional and technical specifications. Technological Environment • .NET, C# • ASP.NET / .Net Core, WPF, MVC, WebAPI, WCF, IIS • Entity Framework, ADO.NET, LINQ, XML, JSON • HTML5, JavaScript, CSS, Angular, TypeScript, jQuery, AngularJS • GUI technologies (ASP.NET, Angular, .Net Core, Windows Forms, WPF, Silverlight) • MS SQL Server • UML, OOA, OOD, Design Patterns, MVC, MVVM Certificates • MCPD Microsoft Certified Professional Developer - Web Development o Exam 70-513: Windows Communication Foundation Development with Microsoft .Net Framework 4 o Exam 70-516: Accessing Data with Microsoft .Net Framework 4 o Exam 70-515: Web Applications Development with Microsoft .NET Framework 4 o Exam 70-519: Designing and Developing Web Applications Using Microsoft .NET Framework 4 • Exam 70-480: Programming in HTML5 with JavaScript and CSS3 Project History Consumer industry Extension of the project management software INVEST 3 months Development and extension of an existing internal application for planning of project budgets and management investment. 01/07/2020 – 18/09/2020 • Partial UI modernization of the web frontend based on bootstrap 4 • Extension of project management with planning functionality. -
ASP.NET 5, .NET 4.6, and Visual Studio 2015
ASP.NET 5, .NET 4.6, and Visual Studio 2015 Nate McMaster @natemcmaster Overview Application! ! Framework! Tooling Runtime! Overview Application! ! Framework! Tooling Runtime! What is .NET? • Introduced in 2002 • It provides – Core class libraries – Complier – Runtime (execution layer) – Support for CLI languages (C#, VB, plus more) Application! ! Framework! Tooling Runtime! Application! Entity Framework! ! Identity! SignalR! Tooling MVC / WebAPI! Roslyn! Runtime! Frameworks Roslyn What is Roslyn? • Code Analysis APIs • .NET Core What is Roslyn? • Code Analysis APIs • .NET Core • “Introduction to Roslyn” at 2:40pm today Entity Framework Entity Framework • Data access framework db.Animals.Where(i=>i.Name == “penguin”).Take(4) SELECT * FROM animals WHERE name=“penguin” LIMIT 4 Entity Framework 6 • MSSQL and MySQL • Primarily ASP.NET What’s New in EF 7 • Azure Table Storage, Redis • SQLite • Complete rewrite • New APIs (similar to v6) • CLI tools What’s new in v7 • Cloud optimized • Runs on .NET Core MVC MVC • The .NET web framework What’s new in v6 MVC 5 WebAPI Web Forms MVC 6 • Host agnostic • Built-in dependency injection • config.json What’s new in v6 • Cloud optimized • Runs on .NET Core Identity Identity • User authentication framework • OAuth providers and two- factor auth What’s new in v6 • Cloud optimized • Runs on .NET Core SignalR SignalR • Real-time web functionality • Server and client components Not yet • Not cloud optimized • Does not run on .NET Core What is .NET Core? What is “cloud optimized”? Application! ! Framework! Tooling -
A Brief History of Software Engineering Niklaus Wirth ([email protected]) (25.2.2008)
1 A Brief History of Software Engineering Niklaus Wirth ([email protected]) (25.2.2008) Abstract We present a personal perspective of the Art of Programming. We start with its state around 1960 and follow its development to the present day. The term Software Engineering became known after a conference in 1968, when the difficulties and pitfalls of designing complex systems were frankly discussed. A search for solutions began. It concentrated on better methodologies and tools. The most prominent were programming languages reflecting the procedural, modular, and then object-oriented styles. Software engineering is intimately tied to their emergence and improvement. Also of significance were efforts of systematizing, even automating program documentation and testing. Ultimately, analytic verification and correctness proofs were supposed to replace testing. More recently, the rapid growth of computing power made it possible to apply computing to ever more complicated tasks. This trend dramatically increased the demands on software engineers. Programs and systems became complex and almost impossible to fully understand. The sinking cost and the abundance of computing resources inevitably reduced the care for good design. Quality seemed extravagant, a loser in the race for profit. But we should be concerned about the resulting deterioration in quality. Our limitations are no longer given by slow hardware, but by our own intellectual capability. From experience we know that most programs could be significantly improved, made more reliable, economical and comfortable to use. The 1960s and the Origin of Software Engineering It is unfortunate that people dealing with computers often have little interest in the history of their subject. -
Teamcity 7.1 Documentation.Pdf
1. TeamCity Documentation . 4 1.1 What's New in TeamCity 7.1 . 5 1.2 What's New in TeamCity 7.0 . 14 1.3 Getting Started . 26 1.4 Concepts . 30 1.4.1 Agent Home Directory . 31 1.4.2 Agent Requirements . 32 1.4.3 Agent Work Directory . 32 1.4.4 Authentication Scheme . 33 1.4.5 Build Agent . 33 1.4.6 Build Artifact . 34 1.4.7 Build Chain . 35 1.4.8 Build Checkout Directory . 36 1.4.9 Build Configuration . 37 1.4.10 Build Configuration Template . 38 1.4.11 Build Grid . 39 1.4.12 Build History . 40 1.4.13 Build Log . 40 1.4.14 Build Number . 40 1.4.15 Build Queue . 40 1.4.16 Build Runner . 41 1.4.17 Build State . 41 1.4.18 Build Tag . 42 1.4.19 Build Working Directory . 43 1.4.20 Change . 43 1.4.21 Change State . 43 1.4.22 Clean Checkout . 44 1.4.23 Clean-Up . 45 1.4.24 Code Coverage . 46 1.4.25 Code Duplicates . 47 1.4.26 Code Inspection . 47 1.4.27 Continuous Integration . 47 1.4.28 Dependent Build . 47 1.4.29 Difference Viewer . 49 1.4.30 Guest User . 50 1.4.31 History Build . 51 1.4.32 Notifier . 51 1.4.33 Personal Build . 52 1.4.34 Pinned Build . 52 1.4.35 Pre-Tested (Delayed) Commit . 52 1.4.36 Project . 53 1.4.37 Remote Run . .. -
Extending Actionability in Better Code Hub Suggesting Move Module Refactorings
Extending Actionability in Better Code Hub Suggesting move module refactorings Teodor Kurtev [email protected] July 14, 2017, 48 pages Supervisor: dr. Ana-Maria Oprescu, [email protected] Host supervisor: dr. Magiel Bruntink, [email protected] Host organisation: Software Improvement Group, Inc., https://www.sig.eu Universiteit van Amsterdam Faculteit der Natuurwetenschappen, Wiskunde en Informatica Master Software Engineering http://www.software-engineering-amsterdam.nl Abstract Undoubtedly, refactoring can have a positive effect on overall system quality, and it is a critical part of the work cycle of every developer. However, finding the right refactoring opportunities can be a difficult task. This is particularly the case for refactorings related to overall system structure. One of the best ways to address such issues is to apply the move module refactoring. In this thesis, we propose a way of automatically detecting refactoring opportunities for move module refactorings in the context of the C# language using a Compiler as a Service (CaaS) - Roslyn. We evaluate our approach using seven open source projects and an expert panel. The results from these validation experiments showed our approach as promising - the group of experts found more than half of the proposed refactorings useful. 1 Contents Abstract 1 Acronyms 5 1 Introduction 6 1.1 Problem analysis....................................... 6 1.2 Research questions...................................... 7 1.3 Solution outline........................................ 8 1.4 Definitions........................................... 8 1.5 Outline ............................................ 8 2 Background 10 2.1 Refactoring .......................................... 10 2.2 Code smells.......................................... 10 2.3 Move module refactoring................................... 11 2.4 Better Code Hub (BCH) and the SIG Maintainability Model ............. -
The History of Computing in the History of Technology
The History of Computing in the History of Technology Michael S. Mahoney Program in History of Science Princeton University, Princeton, NJ (Annals of the History of Computing 10(1988), 113-125) After surveying the current state of the literature in the history of computing, this paper discusses some of the major issues addressed by recent work in the history of technology. It suggests aspects of the development of computing which are pertinent to those issues and hence for which that recent work could provide models of historical analysis. As a new scientific technology with unique features, computing in turn can provide new perspectives on the history of technology. Introduction record-keeping by a new industry of data processing. As a primary vehicle of Since World War II 'information' has emerged communication over both space and t ime, it as a fundamental scientific and technological has come to form the core of modern concept applied to phenomena ranging from information technolo gy. What the black holes to DNA, from the organization of English-speaking world refers to as "computer cells to the processes of human thought, and science" is known to the rest of western from the management of corporations to the Europe as informatique (or Informatik or allocation of global resources. In addition to informatica). Much of the concern over reshaping established disciplines, it has information as a commodity and as a natural stimulated the formation of a panoply of new resource derives from the computer and from subjects and areas of inquiry concerned with computer-based communications technolo gy. -
An Overview of Software Evolution
An Overview of Software Evolution CPRE 416-Software Evolution and Maintenance-Lecture 2 1 Software Evolution • What is it? • How important is it? • What to do about it? 2 An early history of software engineering • The following slides provide a condensation of the ideas of Robert L. Glass in his book "In the Beginning: Recollections of Software Pioneers" about the history of software engineering. 3 The Pioneering Era (1955-1965) • New computers were coming out every year or two. • Programmers did not have computers on their desks and had to go to the "machine room". • Jobs were run by signing up for machine time. Punch cards were used. • Computer hardware was application-specific. Scientific and business tasks needed different machines. 4 The Pioneering Era (1955-1965) • High-level languages like FORTRAN, COBOL, and ALGOL were developed. • No software companies were selling packaged software. • Academia did not yet teach the principles of computer science. 5 The Stabilizing Era (1965-1980) • Came the IBM 360. • This was the largest software project to date. • The 360 also combined scientific and business applications onto one machine. 6 The Stabilizing Era (1965-1980) • Programmers had to use the job control language (JCL) to tell OS what to do. • PL/I, introduced by IBM to merge all programming languages into one, failed. • The notion of timesharing emerged. • Software became a corporate asset and its value became huge. • Academic computing started in the late 60's. • Software engineering discipline did not yet exist. 7 The Stabilizing Era (1965-1980) • High-hype disciplines like Artificial Intelligence emerged.. • Structured Programming burst on the scene. -
ASP.NET SQL Server
CYAN YELLOW MAGENTA BLACK PANTONE 123 C BOOKS FOR PROFESSIONALS BY PROFESSIONALS® THE EXPERT’S VOICE® IN SQL SERVER Companion eBook Available Pro ASP.NET for SQL Server: High Performance Data Access for Web Developers Pro Dear Reader, ASP.NET ASP.NET As web developers, we work with ASP.NET and SQL Server by using a rich toolkit of databound controls and database functionality that promises great Pro performance and productivity gains after we know how to use it properly. Unfortunately, that toolkit is cluttered with a wide spectrum of features—some ideal for the one-man shop building a tiny application, and others aimed at large developer teams producing websites used by thousands of people. This book carves out a path for the senior developer who needs to produce a professional website that will perform well under high load. I focus on what a senior developer should know and use daily while also for explaining which features to avoid and why. There are several, little-known features ASP.NET in ASP.NET and SQL Server that work very well together without requiring much effort. These features get detailed coverage. Each chapter includes a full sample project, to help you learn by digging into some good code. These projects are for designed to keep you engaged while using them to understand the chapter topics in greater detail. What you will learn from this book are techniques that allow you to leverage SQL Server the many performance and productivity improvements that have been provided ASP.NET and SQL Server. These improvements will help you produce better SQL Server websites with the desired results right from the start.