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In summer, the trees are shady and the foliage is thick, and the whole village is green. People were enjoying the shade under the trees, chatting, and there were many children playing with Brother Xia in the forest.
In autumn, the cool breeze blows, the melons and fruits in the orchard are fragrant, and the cotton in the fields is white and flaw......lessSee! There is a sea of golden heights over there. Oh, it turned out to be Hanmin's rice field Yu Laoqi!
The whole village is golden, and the Autumn Maiden is hiding in a corner and eating the sweet fruit!
In winter, although it doesn't snow in my hometown, I wake up in the morning with fog and frost, and there are white ice crystals on the leaves! In the small river pond.
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Today our school organizes our Primary School to visit the "World Fair" every five years. At half past eleven, we set off on time, and the students boarded the bus and set off. On the bus, some of the students were closing their eyes and recuperating; Some are snacking; Some are talking and laughing; Others are ...... enjoying the scenery outside the windowWith the doors opened, we finally arrived at Gate 7 of the Expo Park.
We first came to the "Hungary" pavilion. The Hungarian Pavilion is a wood-coloured building wrapped in a wooden sleeve, bright and simple. In the museum, nearly 600 wooden sleeves are suspended vertically in the air, and some of them sway up and down with the rhythm of **, strolling in it, like wandering in the forest.
However, the most interesting thing for visitors in the Hungarian Pavilion is a mathematical model on display, Gomboz. Gomboz is the first homogeneous object in the world to have only one stable equilibrium point and one unstable equilibrium point, symbolizing harmony and equilibrium.
Next, we came to my favourite pavilion, "The United Kingdom". The British Pavilion is a seed "temple" that itself consists of about 60,000 slender transparent acrylic "tentacles" that stretch outwards and sway in the wind. During the day, each metre-long tentacle acts like a fiber optic to conduct light to illuminate the interior, creating a sense of openness and solemnity.
At night, the light source contained in the "tentacles" will make the entire pavilion glow with dazzling light and shadow. When people enter the exhibition hall, they can see that "tentacles" are inserted into the interior of the exhibition hall, and the top of each "tentacle" is embedded with different types and forms of plant seeds. Visitors leaving the Sanctuary of the Seed will enter the final corridor, the "Living City".
Hop in a vibrant city.
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1. Make full use of the opportunity to learn cooperatively, and cultivate students' self-reflection and interpersonal intelligence x0dFrom the perspective of students' development, they can learn to be a person and do things in coexistence. How do students coexist in the classroom teaching of imitation filial piety? Group cooperative learning is one of the learning methods advocated by the new curriculum, which provides students with opportunities to communicate and learn from each other, so that students can learn to communicate, learn to help each other, learn to share, and learn to respect others in common interactions.
2. Extend the classroom to the social preparation draft, so that students can experience the truth of being a person and doing things in the coexistence of social activities, and cultivate good behavior habits.
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Yes, there is an interface to give an example:
import ;
import ;
import ;
import ;
import ;
serializabletest1 (the class type describle)
author zhouyuanlongpublic class serializabletest1class person1 implements serializable
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That's generally the case. Generate an object "person", assign data to it, and then serialize and store the object.
Other methods: You can save the text in the file, separated by symbols.
It is also possible to store in XML files.
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There are many places where the practice of composition serialization has been carried out, which can be used as a reference.
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Serialization is the process of converting the state of an object into a format that can be maintained or transmitted. The opposite of serialization is deserialization, which converts a stream into an object. These two processes combine to make it easy to store and transfer data.
The .NET Framework provides two serialization techniques:
Binary serialization maintains type fidelity, which is useful for preserving the state of an object between different calls in an application. For example, by serializing an object to the clipboard, you can share an object between different applications. You can serialize objects to streams, disks, memory, networks, and more.
Remoting uses serialization to pass objects between computers or application domains using serialized "pass-through values."
XML serialization only serializes common attributes and fields and does not maintain type fidelity. This is useful when you want to provide or use data without restricting the applications that use that data. Because XML is an open standard, it's a great option for sharing data over the web.
SOAP is also an open standard, which makes it an attractive option as well.
In layman's terms, serialization is to change a class into a binary file to facilitate the storage and transfer of data.
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Serialization is used for communication, the server serializes the data and sends it to the client, the client deserializes the received data and operates on the data, and then serializes it to the server after completion, and the server deserializes the data and then operates on the data. To put it bluntly, data needs to be serialized before it can be transferred between the server and the client. This concept of server and client is generalized and can communicate on a network, in different processes on the same machine, or even within the same process.
In traditional programming, objects interact with the client indirectly through the call stack, but in service-oriented programming, the client never calls the instance directly. I don't know if I understand what I said.
Okay, what I'm saying really isn't clear enough, you're asking why serialization is needed, I'm just talking about serialization as an application. So let's talk about the benefits of serialization. It can be transmitted without serialization, but it is not cross-platform and security cannot be guaranteed.
I'm talking about the role in service-oriented programming, where in traditional programming you instantiate a business object at the presentation layer and then call the methods in the business object, have you ever thought about why you can call that way? This is too highly coupled and not good. If the data is transmitted through a specific protocol after serialization, it is different, the presentation layer sends a specific data format to the service layer through ** or channel, and this data is serialized, such as XML, and the server receives it to deserialize it, generate a data format that the server can recognize, such as a class, and then operate on the data, and then serialize it to the client, and then the client deserializes.
This allows the client to use a completely different development platform from the server, as long as it can deserialize XML data, which is an industry-standard data format that is supported by almost every platform. This also applies to inter-process communication. If you communicate within the process, you can also achieve greater security, and objects no longer interact through the call stack, but through ** or channels.
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Bottom line: Serialization saves an object as a disk file, and deserialization reassembles a disk file into a single object, which I think is the essence.
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