Xem 1-14 trên 14 kết quả The proxy pattern
  • JavaScript is at a turning point. The language and those who program with it have matured. People are starting to realize that it is a complex subject, worthy of further study. Design patterns have been used in programming for years. They were first formally documented in Design Patterns by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides (affectionately known as the Gang of Four) and have been applied to countless object-oriented languages. Part of the appeal of design patterns is that they can be used uniformly over many different languages and syntaxes.

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  • Welcome to MapReduce Design Patterns! This book will be unique in some ways and familiar in others. First and foremost, this book is obviously about design patterns, which are templates or general guides to solving problems. We took a look at other design patterns books that have been written in the past as inspiration, particularly Design Patterns: Elements of Reusable Object-Oriented Software, by Gamma et al. (1995), which is commonly referred to as “The Gang of Four” book. For each pattern, you’ll see a template that we reuse over and over that we loosely based off of their book.

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  • Design patterns are reusable solutions to commonly occurring problems in software design. They are both exciting and a fascinating topic to explore in any programming language. One reason for this is that they help us build upon the combined experience of many developers that came before us and ensure we structure our code in an optimized way, meeting the needs of problems we're attempting to solve. Design patterns also provide us a common vocabulary to describe solutions.

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  • This book isn't an introduction to object-oriented technology or design. Many books already do a good job of that. This book assumes you are reasonably proficient in at least one object-oriented programming language, and you should have some experience in object-oriented design as well. You definitely shouldn't have to rush to the nearest dictionary the moment we mention "types" and "polymorphism," or "interface" as opposed to "implementation” inheritance.

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  • A PEAR-ified version of Useful Inc's XML-RPC for PHP. It has support for HTTP/HTTPS transport, proxies and authentication. This release is security related, and solves the recently discovered, and widespread remote-code-execution vulnerability. All users are strongly encouraged to upgrade immediately.

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  • Lecture 18: Design patterns (Command, decorator, state, proxy). The main contents of this chapter include all of the following: Command pattern, decorator pattern, state pattern, proxy pattern.

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  • This pattern has two main implications. First, if we take loan size as a proxy for the poverty of customers (smaller loans roughly imply poorer customers), microfinance banks appear to serve many customers who are substantially better-off than the customers of nongovernmental organizations. Second, banks will have an easier time earning profits (assuming that a large fraction of the cost of making loans is due to fixed costs).

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  • Proxy năng động sẽ trì hoãn instantiation cho đến khi bạn quyết định nó là cần thiết. Tất cả các phương pháp sẽ không làm gì cả cho đến khi khởi tạo này được hoàn tất. Lớp này có thể được sử dụng để bọc các lớp học khá là đắt tiền để tạo ra hoặc mất một thời gian dài để khởi tạo.

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  • To determine why some teachers are more effective than others, Bosshardt and Watts (1990) investigated teacher effects on student learning in high school economics classes using fixed- and random-effects models. The teacher characteristics they examined included college credits in economics, non-credit workshops in economics, years of teaching experience, and the extent of teachers’ past instruction in economics. They found that the most effective teachers were those who had completed more courses in economics.

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  • RunPattern chứng minh làm thế nào các proxy có thể làm việc trong thực tế. Đầu tiên, nó tạo ra một AddressBookProxy và bổ sung thêm một số đối tượng Địa chỉ mới cho Proxy. Những địa chỉ mới này ban đầu sẽ được lưu trữ tại địa phương.

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  • Sự kết hợp của ảnh gốc và một số nội dung mới hình thức một đối tượng mới. Trong bức ảnh thứ hai được hiển thị trong Hình 2-1, có bốn đối tượng: hình ảnh ban đầu cho thấy bên trái, đối tượng cung cấp một biên giới, và hai đối tượng thẻ với các dữ liệu khác nhau liên quan đến họ. Mỗi người trong số họ là một đối tượng trang trí. Cho rằng số cách khác nhau của hình ảnh trang trí là vô cùng tận, chúng ta có thể có nhiều đối tượng mới.

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  • Mô hình cấu trúc quy định việc tổ chức các lớp học và các đối tượng. Những mô hình có liên quan với các lớp kế thừa từ nhau hoặc làm thế nào họ được cấu tạo từ các lớp khác. Phổ biến các mô hình cấu trúc bao gồm Adapter, Proxy, và các mẫu trang trí. Những mô hình tương tự như trong họ giới thiệu một mức độ gián tiếp giữa

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  • Almost all businesses start small. The U.S. Census Bureau’s Statistics of U.S. Businesses (SUSB) shows that over the last 20 years, about 95 percent of new employer firms started with fewer than 20 employees. Along with start-ups come closures. Firms with fewer than 20 employees also account for 95 percent of closures. This illustrates that business turnover is the domain of small businesses. Establishment turnover follows similar patterns.

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  • After studying this chapter you will be able to: Recognize types an patterns of burn injuries found in child abuse; define and discuss shaken-baby syndrome; explain munchausen syndrome by proxy; identify types of child molesters, and explain investigative and interview techniques for cases of child molestation; outline types of child pornography; define incest and outline profiles of incestuous fathers; describe the profile of infant abductors;...

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