Article Introduction：There are many ways to achieve national, provincial and municipal linkage. This article will introduce to you how to implement JSON HTML. Friends who need it can refer to it.

2016-05-16 comment 0  1369

Article Introduction：: This article mainly introduces PHP to obtain countries, provinces, cities, and surrounding data based on geographical coordinates. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1178

Article Introduction：Function: When the App obtains the user's geographical coordinates, it can know based on the coordinates which country, province, city, and surrounding data the user is currently in. Principle: Based on Baidu Geocoding API implementation, you need to register as a Baidu developer first, and then apply for Baidu AK (key)

2018-06-09 comment 0  2862

Article Introduction：This article introduces how to obtain the basic information of users followed on the WeChat public platform, including nickname, avatar, gender, country, province, city, and language.

2017-03-25 comment 0  2421

Article Introduction：The Map collection can save key-value mapping relationships, which is very suitable for the data structure required by this example. All province information can be saved as the keys of the Map collection, and each key can save the corresponding city information. This example is implemented using the Map collection. Province and city cascade selection boxes, when province information is selected, the corresponding content of the city drop-down selection box will be changed. Idea analysis: 1. Create a national (province, municipality, autonomous region) mapping collection, that is, a LinkedHashMap object, and use the put() method of the Map interface to add the specified mapping relationship between provinces and cities to the collection.

2017-07-20 comment 0  1374

Article Introduction：When we design a database, will we break through the conventions and find the design solution that best suits our needs? Here is an example: ​ Commonly used adjacency table designs will add a parent_id field, such as a regional table (country, province, city, district): CREATE TABLE AREA ( [id] [int] NOT NULL, [name] [nvarchar] (50) NULL, [p

2017-06-23 comment 0  4142

Article Introduction：According to news on March 8, China Mobile held a press conference in Beijing today, announcing that the world's first 400G all-optical inter-provincial backbone network independently developed by China Mobile will be officially commercialized in March this year. This commercial use is a network connecting Beijing, Hebei and Inner Mongolia. China Mobile also stated that it will fully realize high-speed interconnection among the eight major hubs of "East and West" by the middle of the year. By then, China Mobile will become the world's largest and most extensive 400G all-optical inter-provincial backbone network operator. The 400G all-optical interprovincial backbone network is a long-distance optical signal transmission network equipment that can connect the eight major "east to west" areas including Beijing-Tianjin-Hebei, Yangtze River Delta, Guangdong-Hong Kong-Macao Greater Bay Area, Chengdu-Chongqing, Inner Mongolia, Guizhou, Gansu, and Ningxia. “Counting” national hub clusters. Compared with the previous generation backbone network, 400G all-optical inter-provincial backbone network transmission

2024-03-08 comment 0  1113

Article Introduction：1. Install nginx briefly 2. Use openssl to implement the certificate center. Since openssl is used to set up a private certificate center, it is necessary to ensure that the following fields are the same in the certificate center's certificate, server certificate, and client certificate countrynamestateorprovincenamelocalitynameorganizationnameorganizationalunitname Edit the certificate center configuration file vim/ etc/pki/tls/openssl.cnf[ca_default]dir=/etc/pki/cacerts=$dir/certs#wherethe

2023-05-15 comment 0  2348

Article Introduction：The Sichuan Health Code app is called "Tianfu Tongban". It is a mobile health code software specially created for the people of Sichuan. You can use this software to check the user's red and green codes with one click, as well as the areas you have recently visited. One code per person is convenient for traveling together. . "Tianfu Tongban" synchronizes information with the national government service platform. Government websites of various local departments can use, share, and jointly build the Sichuan government service mobile general portal through reverse links, interface push, and joint construction.

2022-09-02 comment 0  8294

Article Introduction：In the process of developing front-end business using the Vue framework, we often encounter multi-level linkage drop-down boxes. At this time, we will use the select element to implement it. However, in multi-level linkage scenarios, we sometimes need to clear the options in the multi-select box when the drop-down box options change, so that the user can re-select the relevant options. This article will introduce how to implement the function of clearing the options in the multi-select box when the drop-down box options change in Vue. 1. Requirements Analysis In actual projects, we often encounter multi-level linkage business requirements. For example, we need to select countries, provinces, and cities.

2023-05-24 comment 0  1411

Article Introduction：photoshop practical tutorial: photoshop practical tutorial php GeoIP usage tutorial: GeoIP introduction: What is GepIP? The so-called GeoIP is to use the visitor's IP to locate his longitude and latitude, country/region, province, city, and even street location information. The technology here is not a difficult problem, the key lies in having an accurate database. With accurate data sources, you can earn a little money with rare goods, but what we pursue is to promote the spirit of cooperation and collective contribution for everyone to enjoy. How to use GeoIP? First we need data information, so first obtain a free database: GeoIP.dat.gz, and then decompress it to get: GeoIP.da

2016-07-29 comment 0  1129

Article Introduction：The 6th Nanyang Youth Robot Competition and the 23rd Henan Youth Robot Competition Nanyang Division were successfully held from October 28th to 29th at the Nanyang Science and Technology Museum. Liu Pengyu, deputy secretary-general of the Nanyang Municipal Party Committee, Liu Wei, party secretary of the Municipal Science and Technology Association, Ge Wenyang, robot competition project manager of the Henan Provincial Science Popularization Center, Cui Yunbao, deputy director of the Municipal Science and Technology Bureau, Qiao Shuanwang, deputy director of the Municipal Education Bureau, Lin Li, deputy secretary of the Nanyang Municipal Committee of the Communist Youth League, Municipal Science and Technology Wang Xin, Vice Chairman of the Association, attended the launch ceremony of this Nanyang Youth Robot Competition and observed and guided the competition work. The Nanyang Youth Robot Competition is a science and technology popularization activity held within Nanyang City with reference to the national and provincial competition systems. Accumulation, skill development and inquiry learning are integrated. Starting from 2018, it has been

2023-10-31 comment 0  1459

Article Introduction：On the afternoon of July 4, under the guidance of the World Artificial Intelligence Conference Organizing Committee Office, hosted by the World Artificial Intelligence Conference Organizing Committee Office, and hosted by the National and Local Humanoid Robot Innovation Center and the China Institute of Electronics, this site, "Robotics Technology and Applications" The 2024 WAIC World Artificial Intelligence Conference Humanoid Robot and Embodied Intelligence Development Forum co-organized by the magazine will be held at the Shanghai World Expo Exhibition and Convention Center on the afternoon of July 4. This forum invited 12 domestic and foreign scholars, business representatives and developer representatives in the field of humanoid robots and embodied intelligence to give keynote reports, technology sharing and roundtable discussions, and released innovative results of humanoid robots. The forum attracted more than 200 professional audiences in the field of humanoid robots and embodied intelligence, and they were watched online through multiple live broadcast platforms.

2024-07-11 comment 0  929

Article Introduction：Intelligent connected cars are an important carrier for the exchange and sharing of intelligent information between cars, people, roads, and backends. It can be said that smart cars are the next generation of large-scale mobile terminals. Since intelligent connected cars are equipped with a large number of sensors, they will continuously collect environmental perception information during driving, including road information, vehicle working condition information, and personal information of drivers and passengers, and use this information to better Provide autonomous driving and personalized services for thousands of people. Therefore, as intelligent and connected cars are running rapidly, data security is undoubtedly one of the core issues that need to be addressed urgently. At present, the construction of domestic data interaction platforms is through government organizations, top-level design, deployment of national strategies and support from ministries and commissions, and cooperation with local governments and scientific research institutions to build relevant information.

2023-04-09 comment 0  2014

Article Introduction：Recently, the institutional reform plan of Xiamen City, as a sub-provincial city, was approved, which is an important progress in a new round of institutional reform. The leakage of the implementation plan has aroused widespread concern and heated discussion from all walks of life, and people's expectations for the streamlining and efficiency of government agencies have become stronger. This move is of great significance for promoting local economic development and improving government service capabilities. Xiamen City's new round of institutional reform exposed Picture source: Xiamen Radio and Network According to the "Party and State Institutional Reform Plan" released in March 2023, Xiamen City has determined the reform tasks at the local level and plans to complete them before the end of 2024. In order to ensure smooth implementation, Xiamen City held a city-wide mobilization and deployment meeting for institutional reform. At the meeting, Cui Yonghui, member of the Standing Committee of the Fujian Provincial Party Committee and Secretary of the Xiamen Municipal Party Committee, proposed the institutional reform work.

2024-01-25 comment 0  1004

Article Introduction：Yesterday (16th), the 2023 National Science Popularization Day kicked off. This year's National Science Popularization Day has the theme of "improving the scientific literacy of the people and promoting self-reliance and self-reliance in science and technology", with Beijing home events, provincial home events, and Cloud Science Popularization Day as the key structures. During the week, a number of science popularization activities across the country were open to the public. The main event in Beijing brings together 360 exhibitions and activities from 104 units across the country, including five exhibition areas: Navigation and Stewardship to Create Brilliance, Confidence and Independence to Strengthen the Nation's Dream, Science and Technology to Benefit People's Livelihood, Science Popularization Carnival, and Science Education Addition. In the exhibition area of ​​the concrete mathematics laboratory, mathematical principles such as parabolas and the Pythagorean theorem are perfectly presented through teaching aids. Li Xiaozheng, a teacher at the Beijing Science Center: We mainly allow children to experience and display teaching aids, so that we can learn more about mathematics.

2023-09-17 comment 0  1078

Article Introduction：Thanks to netizen Xi Chuang for submitting clues about old stories! According to news on June 14, the State Council Information Office held a series of press conferences on the theme of "Promoting High-Quality Development" today. Luo Qiang, Vice Governor of Guizhou Province, said that it has been 10 years since Guizhou began to implement the big data strategy in 2014. As the country's first comprehensive big data experimental zone, Guizhou's big data industry has grown from scratch and has achieved vigorous development. Luo Qiang said that in recent years, Guizhou has introduced a number of industry leaders, such as Huawei, Tencent, and the three major communication operators, to build big data centers in Guizhou. There are 47 key data centers in operation or under construction in the province. Guizhou has also built a number of landmark new digital infrastructure projects, opened and operated national-level Internet backbone direct connection points, and dedicated international Internet data channels. Last year, China Mobile

2024-06-14 comment 0  1038

Article Introduction：This website reported on April 11 that recently, a document from Hainan Provincial Radio and Television on the "Latest Work Tips for Micro-Short Drama Registration" was circulated on the Internet. The document states that each platform must report relevant information about micro-short dramas that are currently aired online without registration to the local provincial radio and television authorities for registration before May 31, 2024. Starting from June 1, 2024, micro-short dramas that have not been reviewed and registered may not be disseminated online. According to 21st Century Business Herald, we learned from a number of short drama production companies in Guangdong, Jiangsu and other places that new regulations for the registration of micro short dramas have indeed been introduced. This site’s query summary learned that in December 2022, the State Administration of Radio, Film and Television issued a notice on further strengthening the management of online micro-short dramas and implementing the creation improvement plan, requiring that online micro-short dramas, online dramas, and online movies should be treated in the same manner.

2024-04-11 comment 0  1178

Article Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1208

Article Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1064