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Abstract: Lao Tzu's philosophy, morality, software philosophy, and software reference: top ten programming rules for eliminating human wolf software in sequence SAGE:Kong de's only path is from. The path is "thing", but "nothing. Which has an image. There is something in it. Some of them are excellent. Its essence is very real, and there is a letter in it. Since
View: 212 |Reply: 1 nbsp; Learning Linux Graphics-mesa (computer graphics) software architecture diagram [copy link" Titer1Light Car Douwei (from four items) registration time 2014-8-22 integral 1095
notification mechanism to achieve synchronization.4) Synchronization is flexible, you can synchronize only a subset of the data in the database.5) daemon is implemented in Perl language, and is synchronized by Pl/pgsql and Pl/perlu functions.4, Pl/proxyThe software, features and features of the PG database for horizontal splitting are as follows:1) The application sends the request to the horizontal split middleware, which sends SQL to the underlying
Message subscription and delivery are designed on the "platform-Application of plug-ins in Software Architecture Design 1.First, describe what is "Platform-Plug-in software design. As the name implies, "platform-plug-in" is to first establish a platform to provide underlying basic services. Based on this platform, in subsequent development, the platform is d
Key Knowledge Framework:5 software architecture models, ' 4+1 view model 'The two are related: the latter is the former organic unity formed together' 4+1 view model ': Logical view, development view, Process view, physical view, Scene viewCore model of software architecture: 5 Elements, modelsLife cycle Model:
Document directory Data submodule Data Structure submodule Entity IO Net Serialization Threading Cache Data DBAdapter Global Index Query Right Service SFQL Store StoredProcedure HubbleDotNet already has many users, but most of them are still at the usage level. There are not many people who really study and understand HubbleDotNet deeply. As an open-source project, HubbleDotNet not only provides application requirements, but also provides its own code for developers who wan
We talked about the underlying core OS in the iOS software architecture, and the core service layer of the iOS system, on top of the kernel OS layer, consists of two parts: Core service libraries and advanced features based on core services. This article makes a detailed explanation of these two functions.First, the core services layer contains the following libraries:1. Address Book FrameworkFor Address Bo
Complex software must have a clear and reasonable architecture, otherwise it cannot be developed and maintained.MVC (Model-view-controller) is one of the most common software architectures and is widely used in the industry. It's easy to understand, but it's not easy to tell the difference between the derived MVP and the MVVM
services in the form of a report server. At this time, this Web report tool works in a way similar to products such as crystal report, it has the same advantages and disadvantages as an independent server (the independent server here refers to the logic, and can still be physically installed together with other servers ). For Java applications, the report software can be embedded into the J2EE application archite
Image The image architecture model provides a mechanism to dynamically change the structure and behavior of the software system, which is divided into two main parts: one metalayer and one basic layer. The meta-hierarchy provides a software self-representation to give the software's own structure and behavior knowledge. The meta-hierarchy is composed of so-call
Design the software architecture using the 4 + 1 View of RUP Wen Yu Wenyu@china.com ), Loosely coupled space website technical consultant Wen . Architect, technical consultant, founder of the loosely coupled space website. He is good at object-oriented, architecture and framework design, and has in-depth research on design patterns, UML, RUP, and
-14, with little meaning.7. Do not pay attention to the details:The preliminary design should not pay attention to details. For example1. Only the object name is identified for each object, and its properties and methods are not recognized.2. "Current Account Pin user interface", which may be a dialog box, Web interface, character terminal interface, but the robust diagram does not care about these details.3. Are entity objects such as "customer data" required to be persisted? Do not care, more
, let's talk about this. Next, I remember that I used to take this course in college: software demand analysis and design. The instructor defined the requirement to know what the user needs! Finally, let's talk about the document's problems. "Software Engineering" emphasizes that there are documents step by step. I personally understand the role of this document: 1. It provides an interface for transpar
In the past two years, we have seen the saying that GIS is integrated into the it mainstream from time to time. At least one piece of information can be reflected, and the GIS industry is out of touch with the IT mainstream. One link to this gap is the architecture of the software or system. The system here refers to the so-called "enterprise software" applied to
1. Warehouse Style In the repository style. There are two different components: the central data structure shows the current state. The independent component is executed on the central data storage. The interaction between the warehouse and the external component is greatly changed in the system. If a process execution is triggered at a certain time in the input stream, the repository is a traditional database. On the other hand, if the current state of the Central Data Structure triggers the pr
Vyy architecture design document Version log: I. Introduction Purpose: The Software Overview Design Manual is an important document in the development of "vyy". The work done is to convert the data flow diagram in the requirement manual into the software structure and data structure, it paves the way for detailed design instructions in the future. It is a ref
The computer software industry is a young industry born in 1950. It has only a history of more than 50 years. In contrast, architectural design can be traced back to the Egyptian pyramid era thousands of years ago, or even earlier. Therefore, computer software designers can learn a lot from architects. There are obvious similarities between the design of computer softwa
current state of the computer, which is the contents of each register. When a task switch occurs, the context of the currently running task is stored in TCB, and the context of the task being performed is removed from its TCB and placed in each register. Typical examples of embedded multitasking OS are VxWorks, Uclinux, and so on. Embedded OS is not a remote shrine, we can use less than 1000 lines of code to achieve a 80186-processor function of the simplest OS kernel, the author is ready to d
Hello everyone:As a software developer, I'm sure everyone has thought about the question: Why is the performance of the native Godson processor so different from Intel's processor performance in the same period? Why is domestic open source software development far less than abroad? ------is our software developer's own lack of literacy? Or is it the hardware perf
wrong direction, if Google chose this centralized supercomputing mode, then perhaps there is no ordinary people can enjoy the convenient and inexpensive search service, using search has become my 8-year-old son basic tools, he learned Chinese characters, They will use these characters to find the games that they want to play in Google, and the search and Chinese characters have been incorporated into the blood of our next generation, thanks to the shift in computational thinking: Distributed co
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