Physics Myths - a List of Popular Physics Myths

The History of Delphi

This document provides concise descriptions of Delphi versions and its history, along with a brief list of features and notes. Find out how Delphi evolved from Pascal to a RAD tool that can help you solve complex development problems to deliver high-performance, highly scalable applications ranging from desktop and database applications to mobile and distributed applications for the Internet Ââ€" not only for Windows but also for Linux and the .NET. What is Delphi?Delphi is a high-level, compiled, strongly typed language that supports structured and object-oriented design. Delphi language is based on Object Pascal. Today, Delphi is much more than simply Object Pascal language. The roots: Pascal and its historyThe origin of Pascal owes much of its design to Algol - the first high-level language with a readable, structured, and systematically defined syntax. In the late sixties (196X), several proposals for an evolutionary successor to Algol were developed. The most successful one was Pascal, defined by Prof. Niklaus Wirth. Wirth published the original definition of Pascal in 1971. It was implemented in 1973 with some modifications. Many of the features of Pascal came from earlier languages. The case statement, and value-result parameter passing came from Algol, and the records structures were similar to Cobol and PL 1. Besides cleaning up or leaving out some of Algols more obscure features, Pascal added the capability to define new data types out of simpler existing ones. Pascal also supported dynamic data structures; i.e., data structures which can grow and shrink while a program is running. The language was designed to be a teaching tool for students of p rogramming classes. In 1975, Wirth and Jensen produced the ultimate Pascal reference book Pascal User Manual and Report. Wirth stopped its work on Pascal in 1977 to create a new language, Modula - the successor to Pascal. Borland PascalWith the release (November 1983) of Turbo Pascal 1.0, Borland started its journey into the world of development environments and tools. To create Turbo Pascal 1.0 Borland licensed the fast and inexpensive Pascal compiler core, written by Anders Hejlsberg. Turbo Pascal introduced an Integrated Development Environment (IDE) where you could edit the code, run the compiler, see the errors, and jump back to the lines containing those errors. Turbo Pascal compiler has been one of the best-selling series of compilers of all time, and made the language particularly popular on the PC platform. In 1995 Borland revived its version of Pascal when it introduced the rapid application development environment named Delphi - turning Pascal into a visual programming language. The strategic decision was to make database tools and connectivity a central part of the new Pascal product. The roots: DelphiAfter the release of Turbo Pascal 1, Anders joined the company as an employee and was the architect for all versions of the Turbo Pascal compiler and the first three versions of Delphi. As a chief architect at Borland, Hejlsberg secretly turned Turbo Pascal into an object-oriented application development language, complete with a truly visual environment and superb database-access features: Delphi. What follows on the next two pages, is a concise description of Delphi versions and its history, along with a brief list of features and notes. Now, that we know what Delphi is and where are its roots, its time to take a trip into the past... Why the name Delphi?As explained in the Delphi Museum article, project codenamed Delphi hatched in mid 1993. Why Delphi? It was simple: If you want to talk to [the] Oracle, go to Delphi. When it came time to pick a retail product name, after an article in Windows Tech Journal about a product that will change the life of programmers, the proposed (final) name was AppBuilder. Since Novell released its Visual AppBuilder, the guys at Borland needed to pick another name; it became a bit of a comedy: the harder people tried to dismiss Delphi for the product name, the more it gained support. Once touted as the VB killer Delphi has remained a cornerstone product for Borland. Note: some of the links below marked with an asterix (*), using the Internet Archive WayBackMachine, will take you several years in the past, showing how Delphi site looked long-ago.The rest of the links will point you to a more in-depth look at what each (new) technology is about, with tutorials and articles. Delphi 1 (1995)Delphi, Borlands powerful Windows programming development tool first appeared in 1995. Delphi 1 extended the Borland Pascal language by providing object-orientated and form-based approach, extremely fast native code compiler, visual two-way tools and great database support, close integration with Windows and the component technology. Heres the Visual Component Library First Draft Delphi 1* slogan:Delphi and Delphi Client/Server are the only development tools that provide the Rapid Application Development (RAD) benefits of visual component-based design, the power of an optimizing native code compiler and a scalable client/server solution. HereÂ’s what were the 7 Top Reasons to Buy Borland Delphi 1.0 Client/Server* Delphi 2 (1996)Delphi 2* is the only Rapid Application Development tool that combines the performance of the worlds fastest optimizing 32-bit native-code compiler, the productivity of visual component-based design, and the flexibility of scalable database architecture in a robust object-oriented environment. Delphi 2, beside being developed for the Win32 platform (full Windows 95 support and integration), brought improved database grid, OLE automation and variant data type support, the long string data type and Visual Form Inheritance. Delphi 2: the Ease of VB with the Power of C Delphi 3 (1997)The most comprehensive set of visual, high-performance, client and server development tools for creating distributed enterprise and Web-enabled applications. Delphi 3* introduced new features and enhancements in the following areas: the code insight technology, DLL debugging, component templates, the DecisionCube and TeeChart components, the WebBroker technology, ActiveForms, component packages, and integration with COM through interfaces. Delphi 4 (1998)Delphi 4* is a comprehensive set of professional and client/server development tools for building high productivity solutions for distributed computing. Delphi provides Java interoperability, high performance database drivers, CORBA development, and Microsoft BackOffice support. Youve never had a more productive way to customize, manage, visualize and update data. With Delphi, you deliver robust applications to production, on time and on budget. Delphi 4 introduced docking, anchoring and constraining components. New features included the AppBrowser, dynamic arrays, method overloading, Windows 98 support, improved OLE and COM support as well as extended database support. Delphi 5 (1999)High-productivity development for the Internet Delphi 5* introduced many new features and enhancements. Some, among many others, are: various desktop layouts, the concept of frames, parallel development, translation capabilities, enhanced integrated debugger, new Internet capabilities (XML), more database power (ADO support), etc. Then, in 2000, Delphi 6 was the first tool to fully supports new and emerging Web Services ... What follows is a concise description of most recent Delphi versions, along with a brief list of features and notes. Delphi 6 (2000)Borland Delphi is the first rapid application development environment for Windows that fully supports new and emerging Web Services. With Delphi, corporate or individual developers can create next-generation e-business applications quickly and easily. Delphi 6 introduced new features and enhancements in the following areas: IDE, Internet, XML, Compiler, COM/Active X, Database support...WhatÂ’s more, Delphi 6 added the support for cross-platform development Ââ€" thus enabling the same code to be compiled with Delphi (under Windows) and Kylix (under Linux). More enhancements included: support for Web Services, the DBExpress engine, new components and classes... Delphi 7 (2001)Borland Delphi 7 Studio provides the migration path to Microsoft .NET that developers have been waiting for. With Delphi, the choices are always yours: youre in control of a complete e-business development studio Ââ€" with the freedom to easily take your solutions cross-platform to Linux. Delphi 8For the 8th anniversary of Delphi, Borland prepared the most significant Delphi release: Delphi 8 continues to provide Visual Component Library (VCL) and Component Library for Cross-platform (CLX) development for Win32 (and Linux) as well as new features and continued framework, compiler, IDE, and design time enhancements. Delphi 2005 (part of Borland Developer Studio 2005)Diamondback is the code name of the next Delphi release. The new Delphi IDE supports multiple personalities. It supports Delphi for Win 32, Delphi for .NET and C#... Delphi 2006 (part of Borland Developer Studio 2006)BDS 2006 (code named DeXter) includes complete RAD support for C and C# in addition to Delphi for Win32 and Delphi for .NET programming languages. Turbo Delphi - for Win32 and .Net developmentTurbo Delphi line of products is a subset of the BDS 2006. CodeGear Delphi 2007Delphi 2007 released in March 2007. Delphi 2007 for Win32 is primarily targeted at Win32 developers wanting to upgrade their existing projects to include full Vista support - themed applications and VCL support for glassing, file dialogs, and Task Dialog components. Embarcadero Delphi 2009Embarcadero Delphi 2009. Support for .Net dropped. Delphi 2009 has unicode support, new language features like Generics and Anonymous methods, the Ribbon controls, DataSnap 2009... Embarcadero Delphi 2010Embarcadero Delphi 2010 released in 2009. Delphi 2010 allows you to create touch based user interfaces for tablet, touchpad and kiosk applications. Embarcadero Delphi XEEmbarcadero Delphi XE released in 2010. Delphi 2011, brings many new features and improvements: Built-in Source Code Management, Built-in Cloud Development (Windows Azure, Amazon EC2), Innovative expanded Tool Chest for optimized development, DataSnap Multi-tier Development, much more... Embarcadero Delphi XE 2Embarcadero Delphi XE 2 released in 2011. Delphi XE2 will allow you to: Build 64-bit Delphi applications, Use the same source code to target Windows and OS X, Create GPU-powered FireMonkey (HD and 3D business) application, Extend multi-tier DataSnap applications with new mobile and cloud connectivity in RAD Cloud, Use VCL styles to modernize the look of your applications...

What is Psychology - 925 Words

In 1929, psychology was defined as the study of consciousness. From about 1930 to1970, the definition of psychology changed with dealing more with the scientific study of behavior. From about 1970 on, psychology was defined as the scientific study of behavior and mental processes. However, according to nowadays definition of psychology, it could be defined as the study of the behavior and human mind. Factors which influencing our behavior include physical, emotions, thoughts and social. It can help to solve humans’ problems if we have a complete understanding of the above factors. There are 6 steps Scientific Method to understand or determine why people behave in certain ways. Which is making observation, defining a problem, proposing a hypothesis, testing the hypothesis, theory building and lastly, publishing results. There are different aspects in psychology. For example, clinical psychology, health psychology, neuropsychology, counseling psychology or occupational psychology etc. However, clinical psychology and counseling psychology are the two main aspects which focusing on emotional problems. Clinical Psychology is mainly focusing on assessment, diagnosis, treatment and prevention of mental disorders. It often works in a medical setting. However, Clinical psychologists are not doctors as they cannot provide medicine service for patients. Beside mental health, clinical psychologists also have to deal with other fields like childrens mental health, adult mental health,Show MoreRelatedWhat Is Positive Psychology?765 Words   |  4 PagesWhat is Positive Psychology? At a casual glance, positive psychology looks like the study of happiness. It is more than that. Positive psychology attempts to explain what happiness is. It is a school of psychology that aims to help achieve a positive life, not just focusing on mental illness. It is concerned with the self and group positive emotion, action and interaction. A main focus is to help people with their strengths. If they can focus on their strengths and not just their weaknessesRead MoreWhat Is Clinical Psychology?1416 Words   |  6 PagesWhat is Clinical Psychology? It is the branch of psychology that emphasizes on the assessment and treatment of mental illness, abnormal behavior, and psychiatric problems of a person. In this field, you get to correlate with complex human problems. Dealing with mental illness can specify even to psychological disorders, which are a â€Å"harmful dysfunction† in which behavior is judged to be: atypical, disturbing, maladaptive, and unjustifiable (Fahoum , 2017). Psychological disorders can be broken downRead MoreEssay about What Is Abnormal Psychology? What Is Normal Psychology?1141 Words   |  5 Pagesnbsp;nbsp;nbsp;nbsp;nbsp;What is Psychology? In my research of Psychology and its meaning I have come up with many definitions. To sum all of the definitions into one it’s the study ones feelings, thoughts, and their way of thinking and using all of there senses rather its cognitive, physical, or mental. Some other questions that came to mind during my research are what is normal psychology and what is abnormal psychology? nbsp;nbsp;nbsp;nbsp;nbsp;What is normal psychology? Most people considerRead More What is Social Psychology?1827 Words   |  8 PagesEssay Title: Social Psychology Social psychology is a broad concept which has underlying elements of studying on how we behave, foresee and feel. Myers (2011) agrees that social psychologist investigates these connections by studying on how we persuade others and how we relate to other humans. Miller (2004) stated that majority of social psychologist would acknowledge that the perspective of social psychology is one that emphasises the social changes in the environment from the influence ofRead MoreWhat Is Health Psychology?2150 Words   |  9 PagesWhat is Health Psychology? Have you ever been melancholic about a recent situation in your life, and wonder why you began to develop symptoms of physical illness? This occurs because there is a strong link between our thoughts, personality, and behavior and our way of coping with illness. The way we control our emotions directly impacts our health for the better or for the worse. In this essay, we will discuss about the different mental factors that relate to health and how they can contributeRead MoreWhat Is Humanistic Psychology?2162 Words   |  9 PagesLiterature Review Introduction – What is Humanistic Psychology? 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However, the productivity and well-being which can result from the applications of positive psychology are viable far beyond the personal level; when utilized at the institutional level, the same efficacy can be seen in much broader contextsRead More What Psychology is to Me Essay429 Words   |  2 PagesWhat Psychology is to Me After taking Psychology 1000, psychology means much more to me than it did prior to taking the class. At the beginning of the semester, I was asked to define the word psychology, and the best definition I could muster was simply the study of the mind and how it works. After examining the large realm of the science of psychology I now realize that this definition was quite incomplete. My initial definition simply covered the branch of psychology knownRead MoreWhat Is Personality Psychology Or Personology?1585 Words   |  7 Pageswhich appears to be unique within each individual. It has been studied by psychologists all over the world amounting to various ideologies’ regarding how it is formed and the changes that occur in personalities. This research is called personality psychology or Personology. â€Å"Within the research field of personality, it is agreed that there are no definitive answers as to how the personality is developed and currently relies on theories to explain it† (Mollon. S. (2010). There appears to be two approachesRead MoreWhat ´s Social Psychology? Essay1576 Words   |  7 PagesSocial psychology is a scientific-based study which is used to examine and explain how an individual’s thoughts and feelings affect their behaviour within a society; how the members socially interact, including their motives; and what infl uences these members have on each other. This essay will endeavour to introduce the key psychologists, their theories and the idiographic research they conducted. In particular, it will focus on the features and definition of conformity and the investigations

Locomotive Essay Research Paper In the beginning free essay sample

Locomotive Essay, Research Paper In the beginning of transit there were chiefly Equus caballus and roadster, but so they developed a steam engine and they develop canals for steam boats. About five old ages subsequently the people decided to get down railwaies because it was easier to put and could be lain about anyplace. So I will state you about the steam engine, how it works, besides about the steam motive power, and I will show a theoretical account of an early British train. The old reciprocating steam engine is driven by a steam engine. Steam from the boiler is fed to the cylinders to travel Pistons back and Forth ( reciprocating gesture ) . Connecting rods from the Pistons so move the driving the drive wheels. The firebox at the rear terminal of the boiler is fed with coal or oil, which in a big engine is stored in a separate stamp. The stamp besides contains the H2O that is directed up the smokestack to make a heavy bill of exchange for the boiler fire. We will write a custom essay sample on Locomotive Essay Research Paper In the beginning or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page The discharge of the used steam from the cylinders is controlled by valves, and the intermittent release of the steam up the stack is responsible for the locomotor # 8217 ; s puffing. Valve pitching plays a major function in the steam engine because a broad scope of consequence is required of the engine. If the burden on the engine is increased, The engine would be given to decelerate down. The engine governor moves the location of the flake in order to increase the length of clip during which steam is admitted to the cylinder. As more steam is admitted, the engine end product additions. The efficiency of the engine decreases, nevertheless, because the steam no longer spread out to the full. Some steam locomotives weigh 500 dozenss ( 450 metric dozenss ) or more and can develop more than 6,000 HP. They can draw a long train or a rider train at approximately 100 stat mis ( 160 kilometres ) per hr. For highly heavy tonss or steep classs, two or more engines may be coupled to a train. ______________________________________________________________________________ LOCOMOTIVE WHISTLE AND HORN SIGNALS* 0 Apply brakes. Stop. 00 Engineer # 8217 ; s reply to signal. 000 When standing bac k.. 000 When running stop at following station. 0000 Call for signals. 0000000000 Alarm for individuals or farm animal on paths. ____________ Approaching station or junction at class. __00 A 2nd station is following. ___000 Flag adult male protect rear of train. __ __ Release brakes. __ __ 0 __ __ Approaching public crossing at class. * 0 indicates short sounds, __ longer sounds ___________________________________________________________________________ Railwaies paths had been in usage in Europe every bit early as the sixteenth century, but early railway autos were pulled by work forces and Equus caballuss, non mechanical force. They were merely moderate efficient and were used largely to transport ores through mines. By 1804 discoverers were seeking, but happening impractical, to utilize steam power to travel railway autos. About 20 old ages subsequently, the Briton George Stephenson, a former engine machinist, made steam engines a practical method of motive power. George Steferson built a feasible engine for the Killingworth pit in 1815. In 1825 his engines ran at the rate of 16 stat mis per hr on the freshly opened Stockton and Darlington Railway. In 1829 Stephenson and his boy Robert devised a multi cannular boiler for the locomotor the Rocket ( see theoretical account ) . This boiler gave power sufficiency to keep a velocity of 25-30 stat mis per hr, and the projectile won a velocity, drawing, endurance competition held by Liverpool and Rochester railway. The first American-built engine was the Tom Tub, constructed by Peter Cooper. In 1830 this engine lost a celebrated race with a Equus caballus drawn auto on the freshly laid paths of the Baltimore and Ohio railway. American-built engines that were placed in operation in 1830-1831 were the Best Friend of Charleston, West Point, York, and DeWitt Clinton. In decision, I picked the Rocket for my theoretical account because it was one of the strongest steam engines and was a fast 1 besides. Besides in my study was the manner the steam engine was adapted to suit the engines and how difficult it really was, it took about 20 old ages.