BPL vs. DLL in Delphi Programming Applications

When we write and compile a Delphi application, we typically generate an executable file - a standalone Windows application. Unlike Visual Basic, for example, Delphi produces applications wrapped in compact exe files, with no need for bulky runtime libraries (DLLs). Try this: start Delphi and compile that default project with one blank form, this will produce an executable file of about 385 KB (Delphi 2006). Now go to Project - Options - Packages and check the Build with runtime packages check box. Compile and run. Voila, the exe size is now around 18 KB. By default the Build with runtime packages is unchecked and every time we make a Delphi application, the compiler links all the code your application requires to run directly into your applications executable file. Your application is a standalone program and doesnt require any supporting files (like DLLs) - thats why Delphi exes are so big. One way of creating smaller Delphi programs is to take advantage of Borland package libraries or BPLs in short. Whats a Package? special dynamic-link library used by Delphi applications Packages enable us to place portions of our application into separate modules that can be shared across multiple applications. Packages, also, provide a means of installing (custom) components into Delphis VCL pallete. Therefore, basically two types of packages can be made by Delphi: Run-time packages - provide functionality when a user runs an application - they operate much like standard DLLs. Design-time packages - used to install components in the Delphi IDE and to create special property editors for custom components. Design packages From this point this article will deal with run-time packages and how they can help Delphi programmer. One wrong mit: you are not required to be a Delphi component developer to take advantage of packages. Beginner Delphi programmers should try working with packages - theyll get better understanding of how packages and Delphi work. When and when Not ot Use Packages DLLs are most commonly used as collections of procedures and functions that other programs can call. Besides writing DLLs with custom routines, we can place a complete Delphi form in a DLL (for example an AboutBox form). Another common technique is to store nothing but resources in DLLs. More information on how Delphi operates with DLLs find in this article: DLLs and Delphi. Before going on to comparison between DLLs and BPLs we have to understand two ways of linking code in an executable: static and dynamic linking. Static linking means that when a Delphi project is compiled, all the code that your application requires is directly linked into your applications executable file. The resulting exe file contains all the code from all the units that are involved in a project. Too much code, you might say. By default, uses clause for a new form unit list more than 5 units (Windows, Messages, SysUtils, ...). However, the Delphi linker is smart enough to link only the minimum of code in the units actually used by a project. With static linking our application is a standalone program and doesnt require any supporting packages or DLLs (forget BDE and ActiveX components for now). In Delphi, static linking is the default. Dynamic linking is like working with standard DLLs. That is, dynamic linking provides functionality to multiple applications without binding the code directly to each application - any required packages are loaded at runtime. The greatest thing about dynamic linking is that loading of packages by your application is automatic. You dont have to write code to load the packages neither you have to change your code. Simply check the Build with runtime packages check box found on the Project | Options dialog box. The next time you build your application, your projects code will be linked dynamically to runtime packages rather than having units linked statically into your executable file.

Prohibition Is Not Just An Act - 981 Words

Hailie Dudley Mrs. Ernst English 11A 12-8-15 Prohibition Prohibition was not just an act, it was an era that changed American citizens’ daily lives; although the banning of alcohol sounded like a great idea at the time, the â€Å"noble experiment† as many called it, failed tremendously. Prohibition most certainly started with the noblest of intentions, but in its final days, it left the states with higher crime rates and deadly mobs making a fortune off of the illegal substances. Alcohol was consuming the country; it flowed like water into nearly every home, poorhouse, and it even trickled into the streets with the selling of booze on most busy street corners. As the consumption of alcohol grew, so did tensions in the average american home. The once-happy families were being torn apart by the â€Å"evils† of liquors. The average husband worked all day to support his family, then came home and ventured into a afternoon of binge drinking. Many of these husbands would become disgruntled and angry over small civil disputes. A powerful group of activists began to wage a war on alcohol; they made it their mission to eradicate liquor in an effort to help the country return to simpler and more godly times. The movement, known as Prohibition, may well go down as one of the biggest legislative backfires in American history. Prohibition in the United States was a nationwide constitutional ban on the sale, production, importation, and transportation of alcoholic beverages that remained in placeShow MoreRelatedProhibition in Canada Essay628 Words   |  3 PagesProhibition in Canada Prohibition was a very interesting time in the history of Canada it was a very good time period for the country and also a bad time for the country. 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It did the exact opposite by adding to the problems that it was intended to solve† (Thorton). It is also considered to be the thirteen years that damaged America. On January 16, 1920 one of the most disobeyed laws was put into effect. The 18th amendment, also known as Prohibition, was ineffective and caused more corruptionRead MoreDuring the late 19th century and early 20th century the United States saw many political reforms1100 Words   |  5 Pages15 during the time prior Prohibition drank almost seven gallons of pure alcohol a year. Prohibition was a period of time in which the average citizen broke the law because alcohol was a major part of citizens’ lives and the restrictions on the sale, transportation, and manufacturing of alcoholic beverages illegal. The urbanized North and Midwest were against Prohibition and the rural West and South suppor ted the ban of alcohol. 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Assess Reasons Free Essays

Assess the reasons why Thatcher’s economic policies were controversial There is little which unites Thatcher’s passionate supporters, and equally passionate critics. However, both camps would agree that she was, without question, one of the most controversial prime ministers the UK has seen, and her economic policies were at the heart of that controversy. She instituted an economic revolution in the KICK, bringing the post-war consensus to a crashing halt, and replacing it with a free-market ideology which remains in place today. We will write a custom essay sample on Assess Reasons or any similar topic only for you Order Now So there is surprisingly little controversy over whether she was successful in implementing her policies, but rather the controversy is whether her economic policy successes were either necessary or desirable. There is no answer to this conundrum, as any answer must be dependent upon the values of the beholder. All of her individual policies, such as monetarism, prevarication, and trade union reform, generated their own controversies, but perhaps the greatest controversy was over the sort of nation which those reforms created. The first, and perhaps most controversial, economic policy Thatcher imposed was monetarism. This theory, described as â€Å"crazy† by revises Tory Chancellor, Reginald Maudlin, envisaged controlling inflation through restricting the money supply, and Thatcher moved quickly in her first term to implement it, through a squeeze on public spending and an increase in interest rates to a high of 17% to restrict borrowing. The first controversy was whether monetarism even worked. Supporters argued that it was responsible for bringing inflation down from 19% in 1979, to 5% in 1983. Opponents, on the other hand, argued that this had more to do with the descent of the UK economy into recession during Thatcher’s first term, and a crease in the price of oil following the Iranian revolution in 1979. Perhaps a clue as to the correct answer can be found in Thatcher’s quiet abandonment of any attempts to control the money supply early in her second term. Nevertheless, almost irrespective of whether monetarism directly lowered inflation, what is not in dispute is that it did cause a rapid growth in unemployment, from 5. 7% in 1979 to 13% in 1982. As unemployment topped mm, higher than at any time since the great depression of the sass, riots broke out in major cities, with particularly severe violence in Text and Britton. The depth of the controversy over the economic choices Thatcher was making can be illustrated not only by burning barricades in the inner cities, but also by the arguments within her own Cabinet, with the â€Å"wets†, led by Jim Prior, urging her to change course. Ultimately, the most significant controversy over monetarism was that all governments since the war had seen the maintenance of full employment as their primary economic policy goal. Thatcher saw unemployment, even mass unemployment, as a price worth paying for controlling inflation, which she saw as a greater evil. The fact that monetarism inspired riots, furious public opposition, and internal dissent, might imply that it was the most controversial of her economic policies. Nevertheless, even after the abandonment of monetarism, Thatcher’s next flagship economic policy was to inspire yet more controversy : the crushing of the trade unions. Thatcher saw the Unions as â€Å"the enemy within†, and blamed them for the defeat of the last Conservative government in 1974. Again breaking with the post-war consensus, she saw trade unions not as partners to work as part of a troika with Government and employers, UT as implacable foes of the free-market. She gambled that the Winter of Discontent had undermined support for unions, and set out to destroy their influence. First she passed three Employment Acts in 1 980, 1 982 and 1 984, and then she defeated both the miners and the print-workers in their respective strikes. Even her opponents would concede that she was extremely successful in achieving her goals, as union membership fell from 50% of the workforce in 1979 to less than 35% in 1 990, while strike days lost fell from 29. Mm in 1979 to 1 -mm in 1990. However, it was those goals which ere controversial, and again, that controversy was based on different views Of what a Government’s priority should be. Other post-War Governments had accepted the concept that improving terms and conditions, and seeking to obtain increases in real wages for employees, was a desirable goal. Thatcher and her supporters, however, took the view that such aims were impediments to the functioning of a free-market, in which employers could only compete effectively if they had the right to hire and fire at will, and if employees could be forced to accept lower wages and less secure terms and notations. If previous Governments had seen their role as a neutral arbiter between workers and managers, Thatcher placed the government very firmly behind managers and owners of businesses, while arguing that this was also in the interests of employees. At the time, the controversy centered on the immediate struggles of the Miners’ Strike and the Yapping Dispute, with whole communities in mining areas laid waste. However, perhaps the real controversy is over the impact of the policy in the longer term. Thatcher’s supporters argue that breaking the unions led to more efficient businesses, deter able to compete in the global marketplace, and point to such evidence as in increase in growth rates from an average of 1. % in the period 1950-79, to 2. 1% in 1979-90. The opposing argument, however, is that while the GAP of the UK rose by 108% in the thirty years after Thatcher’s election, the proportion of GAP paid in wages has declined from 65% to less than 50%, with a far higher proportion of GAP going to the wealthiest in society through non-wage income such as dividends and bonuses. How to cite Assess Reasons, Papers

Online Business Essay Example For Students

Online Business Essay Business is any activity that seeks profit by providing needed goods and services to others. The nature of providing these goods and services has changed drastically throughout the history of time. During the last thirty years of business activity, there has been new ways and means of conducting business through something we call technology. Technology is the advancement and uses of electronic devices and other high-tech equipment to produce and progress knowledge into the future. Today, in 1999, nearing the new millenium, the number one technique of tying business into technology would be the use of the Internet. The Internet is a computer application that connects tens of thousands of interconnected computer networks that include over 2.0 million host computers around the world. The basis of connecting all these computers together is by the use of ordinary telephone wires. Users are then usually directly joined to other computer users at there own will for a small connection fee pe r month. The connection conveniently includes unlimited access to millions of web sites twenty-four hours a day, seven days a week. Since the Internet can be accessed by millions of people all time, it would be a great incentive for businesses. The Internet can help businesses in number of extraordinary ways. First, the Internet is an excellent way to make business information available to possible consumers. Say a person hears about a product that your business produces and would like to know more information about that product. Well, through Internet access, that person can easily locate your business web site and browse through the information needed. Included in the web site found, there could be many documents, pictures, small movie flicks, and unique question and answer sections available. All of this can be gathered in the convenience of a persons home, twenty-four hours a day. A business can be very pleased with the amount of information they can readily have available to pu blish to the entire world. If the consumers are satisfied with a particular product with all the public information made available, why not make a product or service obtainable through the use of the Internet. Well, many companies use that method of distribution right now. The Internet can sell products on-line very effectively. It is just as simple as making a selection at a regular store, only you are using the computer and probably using a credit card as the method of payment. Depending on how developed and advanced the companies web site is; customer service may be available to help some customers with expert advice. Or, it could just make them feel comfortable. Another plus about the use of the Internet is that most of the time it is user friendly and all of the time cost effective. The term user friendly refers to making the use of the system untroubled and easy to understand. Making the computer web site user friendly could greatly encourage the user to continue to absorb the available information. Having resources like big bold titles and pictures would increase the appearance to the viewer. Simple order forms and instructions should be made clear. A messy and complicated web site could turn the user off and make them unhappy with the services provided. Even with the hundred of services available, one thing is for sure that it is very cost effective. Providing web sites over the Internet is far more cheaper than advertising in magazines, on the radio, or on television. In addition, web sites may be modified with current changes within a company at any time. Therefore, most of the information tied into the web site is currently up-to-date and very competitive. Making business information available is one of the most important ways to serve your customers. By using the Internet, the customers can feel at ease with the information given to them. They can scroll through what they want to know and quickly bypass useless information at there own speed. There is no pressure on the customer to continue they may even take a break or a short pause whenever they feel it is necessary. Because the Internet is entirely at the touch of your own fingers, it can make customers and even browsers feel very comfortable. If that does not bring connivance to the users, the twenty-four hour service of availability should accommodate them even more. Some consumers could say they would rather stay home all day and do all of their business with the Internet. Well, today all that is possible. No driving around from store to store and no negotiating with pesky salesmen would greatly help some. Technology today can deliver business to us and not make us travel to businesses. Another benefit of using the Internet would be the chance of curious people coming across your web site that did not know it existed or the existence of the products and services you are advertising. There are millions of people out there that are constantly stumbling on and across new s ites, products, and services. .uff60c3fe843b9ef48cd98bfbb9df24d0 , .uff60c3fe843b9ef48cd98bfbb9df24d0 .postImageUrl , .uff60c3fe843b9ef48cd98bfbb9df24d0 .centered-text-area { min-height: 80px; position: relative; } .uff60c3fe843b9ef48cd98bfbb9df24d0 , .uff60c3fe843b9ef48cd98bfbb9df24d0:hover , .uff60c3fe843b9ef48cd98bfbb9df24d0:visited , .uff60c3fe843b9ef48cd98bfbb9df24d0:active { border:0!important; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .clearfix:after { content: ""; display: table; clear: both; } .uff60c3fe843b9ef48cd98bfbb9df24d0 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .uff60c3fe843b9ef48cd98bfbb9df24d0:active , .uff60c3fe843b9ef48cd98bfbb9df24d0:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .centered-text-area { width: 100%; position: relative ; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .uff60c3fe843b9ef48cd98bfbb9df24d0:hover .ctaButton { background-color: #34495E!important; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .uff60c3fe843b9ef48cd98bfbb9df24d0 .uff60c3fe843b9ef48cd98bfbb9df24d0-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .uff60c3fe843b9ef48cd98bfbb9df24d0:after { content: ""; display: block; clear: both; } READ: The Truman Doctrine Essay The Internet is a fun and exciting way for consumers to learn and review more about a product or company. As forementioned, many documents may be included with 3D graphics and sound. There are many clever and imaginative ways and ideas that can be expressed. Web sites pertaining to children can come across in a more colorful approach, while material directed toward on older generation can be presented in another perspective. Whether targeting a younger or older audience, the outcome of the results gathered can be phenomenal. The Internet has numerous advantages and advances for preparing a business. The Internet can connect consumers with valuable information about a product. The Internet can also possibly retail specific products to consumers online, all while being user friendly and cost effective. The Internet can give useful information to consumers whenever they are interested. And the brightest aspect of all is that it is the most exciting way to learn more about a product or service. So as you can see, The Internet can help businesses just as well as customers. The amount of information that can be gathered from the Internet is infinite. The Internet is an information super highway. As far as the negative aspects are concerned, I believe that there are few to none. The Internet is a positive, extraordinary growing market for businesses and services. As we head into the future, technology will bring more excellent and exciting advancements into the business world.