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How to get to Fu Lin Fort from Baoji Taidakang Mask Factory?
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Baidu netizen c0c6d7b439
2020-04-05 TA received more than 148000 likes.
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Bus route: No.83 → Bao Mei Intercity → No.48, with a total length of about 36.3 kilometers.
1. Walk about 9 10 meters from Baoji Tedakang Mask Factory and arrive at Geely Automobile Factory Station.
2. Take bus No.83, pass 4 stops and arrive at Guozhenqiao South Station.
3. Walk about 240 meters and arrive at Guozhenqiao South Station.
4. Take Bao Mei Intercity, pass 13 station and arrive at West Bus Station.
5. Walk about 260 meters and arrive at the West Bus Station.
6. Take bus No.48, pass 1 1 and arrive at Fu Lin Fort Station.
Answered on April 5, 2020
Agreed 1
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What is software development?
Someone asked me, "What is software development?" . Before answering this question, we need to know what software is. First, the definition of software Some excellent people gave the software an easy-to-understand definition. For example, software is a part of a computer system, which is suitable for various machines with different purposes. For example, through the same computer but different software, we can play games, calculate taxes, write letters or books, and get the answers to dating invitations. -Gerald M. Weinberg This sentence was explained by the author to his friend. He is a computer boy. With the above definition, what is software development is obvious. Software development studies how to make different systems running in computers solve the problems people encounter in reality. We often see such a sentence pattern, trying to say everything in one sentence. Might as well simplify it. Software development studies how to make computers solve problems. So far, it looks good. If you have heard the phrase "all problems are human problems" and are willing to believe it, then we can continue to simplify. Software development solves people's problems. This definition is full of perfunctory flavor. If you dare to explain this to your girlfriend, she will probably say "You don't love me". Back to the topic, it's good to summarize all the details as "people's problems". In short, at least there will be no big deviation. We can't list all the "human problems". But through the following examples, we may get a glimpse of some mysteries: as early as 1995, some people felt that the problems to be solved in software development were in trouble. We have encountered unprecedented difficulties, and we don't know what the computer can do after making Excel. -Charles Simonyi From today's point of view, this view is quite modest, and the software industry has never stopped at table processing programs. Of course, we are not criticizing anything, but using it to draw out the following three characteristics of software development. The "human problem" is unpredictable. The world is changing, and people's needs are always changing. We don't know what will happen next. It is worth mentioning that sometimes we don't even know what happened in the past. The "human problem" has continuity. 1977, people began to use spreadsheets to process data. In today's office automation field, spreadsheets still play an irreplaceable role. Fortunately, there are always some problems and solutions that will last for a long time. The "human problem" is complex. Although software technology has blossomed in today's IT field and people have explored various molding solutions, developers and development teams are still facing a complex development environment. It's complicated enough for us to spend a whole section on it. Welcome to the next part. 2. Software Complexity If you open a book introducing software engineering, you will see that complexity will be mentioned in it. The essence of software complexity is that the real world is extremely complex. As for why the reality is complicated, it is beyond the scope of this article. This paper is more concerned about: What makes software complicated? We mentioned above that "software is a system running in a computer", and here we directly give the general definition of a system: a system is a view of the world. You may not be able to accept this for a while. In other words, the system is an abstraction of the world. Abstraction is to separate silk from the complex concrete world, and different abstractions will produce different systems. Views or abstractions can be simple or complex. A software is getting more and more complicated from scratch. The fundamental reason lies in the increase and change of characteristics, and different perspectives will produce different views. Take the food industry as an example. A company produces a food with an exclusive formula, and its sales increase 10% every quarter. The management hopes that the performance can be further improved. Specifically, in the research department, the goal is to prepare more delicious recipes. The research team plans to change only a little every month. A year later, customers kept complaining that the food was no longer the original taste. The directors of the company decided to hold a meeting. "Is the food we produce more delicious?" "Of course, our sales have increased by 30%." "But our customers don't say so." "They just don't want to change!" For another example, when the mobile phone is turned on, various softwares keep popping up news and information messages. When most software tools are mature, they are no longer willing to just do their own work. When you use a niche APP, you can witness its journey from small to beautiful to bloated. This is a complicated aspect. Facing it, the only thing we can do is "don't have extra features". It has a classic expression: don't think about optimization too early. Back to the above story, maybe that company will do nothing and its sales will increase. You may question, "It's easy to say, we can't do nothing?" Answering it involves a question that we can't avoid when making a decision. What price are you willing to pay? What you give, you must be ready to get. How much salary are you willing to pay to hire employees, how many functions are you willing to add, what solutions are you willing to adopt, and how much work are you willing to leave for this Bug. What kind of chips to take out is a realistic problem before us. 4. What is software development? Now, we can formally answer this question. First of all, what is the real purpose of "expecting" each other? 1. The other party is just asking casually. 2. The other party wants to inquire about your salary, and then introduce you to the blind date. 3. The other party is interested in the topic of software industry and wants to know more. 4. Other possibilities. The meaning of drunkenness is not wine. You open your circle of friends and read "I have to read 100 words that are useful to both new and old professionals!" ",basically can see out. As for the third case, first give him a vague definition, for example, software development solves human needs through design, coding, testing and continuous maintenance. Generally speaking, after the other party finds himself listening in a fog, he will be well-advised to stop this topic. But it is also possible, especially if you meet engineers in other fields, that it will lead to more specific problems. Unfortunately, sometimes the problem doesn't exist at all. Just like the following sentences, all your prepared speeches will be in vain. " Are you busy at work? ""not bad. " "What do you do every day?" "Mainly writing code." "I don't understand, I heard that I am very tired." "Sometimes I am very tired, and so is my work." "Hey, that's right. "I hope it will help you! ~
Shang school java college
2020-12/22 answer
glance over
What are the software development?
Software development is a systematic project, including planning, analysis, design, coding, testing and maintenance. 1. The plan defines the overall problems to be solved, including understanding the user's needs and realistic environment, researching and demonstrating the feasibility of this software project from technical, economic and social factors, writing a feasibility study report, discussing the solutions to the problems, and estimating the cost of available resources (such as computer hardware, system software, manpower, etc.). ), and make an implementation plan to complete the development task. Second, software requirements analysis is a systematic analysis and assumption of what kind of software to develop. It is a process of removing the rough and selecting the fine, removing the false and retaining the true, correctly understanding the user's requirements, and then expressing them in software engineering development language (formal functional specification, that is, requirement specification). Third, design software design can be divided into two stages: overall design and detailed design. In fact, the main task of software design is to decompose software into modules, which refer to data and program descriptions that can realize a certain function and program units that can execute programs. It can be a function, a process, a subroutine, an independent program and data with program description, or it can be a functional unit that can be combined, decomposed and replaced. 4. Coding software coding refers to converting a software design into a program acceptable to the computer, that is, writing a "source program list" in programming language. A full understanding of software development language, tool characteristics and programming style is helpful to choose development tools and ensure the development quality of software products. Five, the purpose of testing software testing is to find as many errors as possible at a small cost. The key to achieve this goal is to design a set of excellent test cases (test data, functions and expected output results constitute test cases). 6. Maintenance refers to some software engineering activities for software products after software development (analysis, design, coding and testing) is completed and delivered for use. That is, according to the operation of the software, the software is modified appropriately to meet the new requirements and the errors found in the operation are corrected. Compile software problem report and software modification report. Extended data:
Software development is the process of building a software system or the software part of the system according to the needs of users. Software development is a systematic project, including requirements capture, requirements analysis, design, implementation and testing. Software is usually implemented in programming languages. Software development tools can usually be used for development. Software is divided into system software and application software, including not only programs that can be run on computers, but also files related to these programs are generally considered as a part of software. Baidu Encyclopedia-Software Development
Actinidia chinensis
Answered on 2019/05/22.
20 likes 1 comments
What else can in addition to formaldehyde have-"JD. The brand "home appliances" of COM sells well, and everyone is using it!
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