Ethereum development interview
Publish: 2021-05-13 13:41:41
1. If this is only the most basic, it can be done by 100000 yuan. If you need to add other functions, it depends on the difficulty of the functions you add. If you want affordable price and good service, I suggest you consult Shengshi Huacai company. I've used it for two years, and almost no problems have occurred.
2. Yes, Shengshi Huacai has done a good job. Ethereum is an open source public blockchain platform with intelligent contract function. It provides decentralized Ethernet virtual machine to process point-to-point contract through its special cryptocurrency, Ethereum. Shengshi Huacai has done a good job in this area, which is worth recommending
3.
Ethereum Technology Development Co., Ltd. is a limited liability company (invested or controlled by a natural person) registered on December 28, 2017, with its registered address at 203 boshimingzhu property building, 199 Tianshan Street, high tech Zone, Shijiazhuang
the unified social credit code / registration number of Ethereum Technology Development Co., Ltd. is 91130108ma09lmk90h, and the legal person of the company is Li Gai. At present, the company is in business
The business scope of Ethereum Technology Development Co., Ltd. is: technology research and development, technology transfer, technology consultation and technical service of computer software and hardware, biotechnology, environmental protection technology and ecational software; Internet of things technology development, data processing services; Self operated or acting as an agent for import and export of various commodities and technologies (except those restricted or prohibited by the state); Electronic procts, environmental protection procts, medical devices, drugs, washing procts, sanitary procts, disinfection procts, daily necessities, cosmetics, needle textiles, household procts, maternal and infant procts, food, primary agricultural procts, kitchenware, sanitary ware, bags, clothing, toys, cultural procts, office supplies, audio-visual procts, books and newspapers Online and offline sales of electronic publications Projects that need to be approved according to law can be operated only after being approved by relevant departments)view more information of Ethereum Technology Development Co., Ltd. through aiqicha
4. Shenzhen local words, it is recommended to consult Shengshi Huacai company, but also to the company specifically for your requirements.
5. Ethereum architecture consciousness is the 6-tier architecture of regional block chain. They are: data layer, network layer, consensus layer, incentive layer, contract layer and application layer. I personally feel that the best thing to do in Ethereum development is Shengshi Huacai, which is very professional
6. Shengshi Huacai company has done a good job in the development of Ethereum.
7. Relatively speaking, it is not easy, otherwise it will be all over the street for a long time. If you want to ask about fast efficiency, Shengshi Huacai recommends it to you, with fast development efficiency, affordable price, strong security and stability.
8. My computer - & gt; Attribute - & gt; Advanced - & gt; Environment variables - & gt; Add the following environment variables to the system variables:
java_ The home value is: the directory where JDK is installed, and mine is C: &# 92; Program Files\ Java\ jdk1.6.0_ 34
the classpath value is:;% JAVA_ HOME%\ lib\ tools.jar;% JAVA_ HOME%\ lib\ dt.jar;% JAVA_ HOME%\ bin;( Pay attention to the & quot& quot; To add)
Path: append at the beginning.;% JAVA_ HOME%\ bin;% JAVA_ HOME%\ jre\ bin;( Pay attention to the & quot& quot; To add)
after the installation, you can check whether the JDK is installed successfully. Open the CMD window and enter Java – version to view the version information of JDK.
java_ The home value is: the directory where JDK is installed, and mine is C: &# 92; Program Files\ Java\ jdk1.6.0_ 34
the classpath value is:;% JAVA_ HOME%\ lib\ tools.jar;% JAVA_ HOME%\ lib\ dt.jar;% JAVA_ HOME%\ bin;( Pay attention to the & quot& quot; To add)
Path: append at the beginning.;% JAVA_ HOME%\ bin;% JAVA_ HOME%\ jre\ bin;( Pay attention to the & quot& quot; To add)
after the installation, you can check whether the JDK is installed successfully. Open the CMD window and enter Java – version to view the version information of JDK.
9. Link aggregation. Different types of switches support different numbers. You can enter
interface eth trunk? On the switch? It will prompt you with a numerical range
this numerical range is the number of supports. But are you sure you have so many ports to use
for example, you can use two ports for one aggregation. 24 port switching supports 12 aggregations at most< Moreover, link aggregation is the connection between switches. Generally, one uplink and one downlink are enough. Unless you're a core exchange or something special.
interface eth trunk? On the switch? It will prompt you with a numerical range
this numerical range is the number of supports. But are you sure you have so many ports to use
for example, you can use two ports for one aggregation. 24 port switching supports 12 aggregations at most< Moreover, link aggregation is the connection between switches. Generally, one uplink and one downlink are enough. Unless you're a core exchange or something special.
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