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the Forum home page, which will directly query the forums table.It holds the Forum section information, the number of topics, the number of posts.Like a ride. Web forum: http://www.517318.com/(Casual search)Given the efficiency, some redundant information is stored in the Forum table, and the information of the count is directly recorded in the table.Then go to the topic pageThe following thread table is queried, and the thread table also does data redundancy.When the user posts the appropriate
})();+ function A () {function body}();In the JQuery source, the method passes through the window and undefined two parameters.window: Because when the function is called, it needs to find the variable value, and if the current function scope does not have the variable, it will go up to the previous level to find, directly into the window, can reduce the search time, improve efficiency.Undefined: After the landlord Test in IE 8, the undefined property value can be modified, at this time the inco
, pure content block. That is, as long as the topmost block calls the Tohtml method, it will have a series of reactions, and eventually generate a finished HTML output, then who is the topmost block, it is defined in the Page.xml Sort by front backgroundFront and back office (Admin) are user-defined block, but because the background is different, all the blocks of the backend module inherit Mage_adminhtml_block_template, the front block is inherited Mage_core_block_ TemplateThe following
and disadvantages and expansion. And the introduction of business scenarios, while coding side of the explanation, and finally the single-case model in the framework (Jdk,mybatis, etc.) the application of the source code, so that we appreciate the magic of the single-case model of the skill. ... 8-1 Singleton mode explained 8-2 singleton design mode-lazy and multi-threaded debug Combat 8-3 single case
causal relationship of product daily learning 2. New product promotion of the enemy 3. The priority of the product landing 4. Trust of product Team 5. Transposition Thinking of product design 6. Use force 7. Do not book as much as you believe will take these items Daily analysis of product causal relationship Usually we encounter the daily necessities, the designers of these products have their ow
research. And this method is in Europe and the United States than the first to be used by multinational companies in new areas of research. Hope to explore their potential needs from the user's perspective and daily life to guide the design. Participate in the user's life, observe them, to understand the user, to meet their needs. The designer is more need to use "other people's eyes" to treat the things designed to study, that is, as a user, partici
industry-related products after analysis of the product, the specific visual products mainly include: color, text, texture, layout, theme elements5. Design the prototype of the page Channel information load is large, a small point of design changes will affect the whole global, the best way is to the existing information and structure 10
The need for each product is a description of a specific problem in the real world, and some of the problem descriptions can be very intricate, so that when we analyze it, we feel we are not able to do it or even get overwhelmed. Demand analysis is the basis of system design and development, the quality of demand analysis will directly affect the subsequent
the tasks of each stage are completed according to the specified order, and a set of standard documents is provided as the development result of each stage, and finally the high quality software is produced. It is divided into six stages: 1, the definition and planning of the problem This stage is the software developer and the demand side discusses together, mainly determines the software development goal and the feasibility. 2, requirements analysis
Tags: dba run too cut OCA tle source load optimizedThe DBD = Database Designer is the primary native tool in the optimization of Vertica databases. First run the AdminTools tool and follow the steps below: 1. Select "6 Configuration Menu"2. Select "2 Run Database Designer"3. "Select a database for design"Select the database you want to analyze4. "Enter directory for Database Designer output:"Enter the output directory of the DBD5. "Designer Name:"Ente
inch 2,500 100,000 2: Database design without redundancy can be done. However, a database without redundancy is not necessarily the best database, and sometimes in order to improve operational efficiency, it is necessary to lower the paradigm standard and properly retain redundant data. The practice is to adhere to the third paradigm when designing the conceptual data model, and to lower the standard of normalization into the
Object-oriented(Object Oriented, OO) is currently the focus of the computer industry, it is the mainstream software development methods in 1990s. Object-oriented concepts and applications have gone beyond programming and software development and have been extended to a wide range. Such as database systems, interactive interfaces, application structures, application platforms, distributed systems, network management structures, CAD technology, artificial intelligence, and other fields. Speak
completely different from their own planning, between the two, designers and product managers of the product needs often understand different; designers should be more careful in their early requirements analysis (if Allowed within the range), such as: A Analyze the user's type and target B Competitive product research, analysis of the core points of products C Create personas, complete use case process
I for the Ginkgo station search service provider to do product consultant during the more than 10 sites in the site search application design, a few analysis and summary. first, in-site search Applications Site search applications have been more and more attention, in the past for technical costs and content scale reasons, we use public applications to do this thing, or simply not. But now the money, the
1. Object-Oriented Analysis The object of object-oriented analysis is the objective world of knowledge and modeling. In fact, in the object-oriented analysis process is also the demand analysis and understanding. The process of using object-oriented analysis is generall
Chapter 2 Work Analysis and Design Scientific and refined management must be based on detailed analysis Based on , Work analysis is an organizational unit ( Enterprise ) Achieve Scientific Management Basic , It is also the first major step of human resource management. Section 1 Work
On the other hand, because JavaScript is often tightly integrated with host environments such as browsers, there is a lack of powerful and easy-to-use development tools. In such an environment, developing a component or framework is a challenging task. This time, we will take the opportunity to develop component analysis, design, implementation, build, and test, and explore all aspects of the component deve
Tags: connect database comm Compare high quality NET database management one to get rid of the memoryDatabase analysis and Design database determine an appropriate data model to meet 3 requirements: Meets user needs, including all data required by the user Can be implemented by a database management system, such as SQLSERVER,ORACLE,DB2 With relatively high quality, easy to understand, easy
also improves the level of software reuse and production efficiency. Brief history and classification of Models The idea of the software design model from the field of architecture (Christopher Alexander) Evolved.Kent BeckAndWard cunnheimSetChristopher AlexanderThe idea is applied to the software field, and they noted down some of the original models (UIThe first article about the use mode in development is:Erich GammaYu1991A paper published in th
Tags: otn width vs database back var removal program analysisRequirements analysis and database design is a very important link, this link will directly affect the development process and quality of the project. The volleyball scoring program here is an example, and its business is very simple, so here is not really a need to divide Analysis and database
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