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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11277

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17603

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11312

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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Huawei applies to register the 'ADNCHAT' trademark, indicating the branding of autonomous driving networks

Course Introduction：According to news on July 17, Huawei Technologies Co., Ltd. recently applied to register two trademarks called "ADNCHAT", covering two international categories of scientific instruments and website services. These trademarks are currently pending. According to the official website of Huawei Technologies Co., Ltd., "ADN" stands for "autonomous driving network" and is regarded as the core of Huawei's communication network 2030 strategy. This strategy aims to provide network end users with a new digital network service experience of "zero waiting, zero contact, and zero failure", and to build intelligent networks and efficient operation and maintenance capabilities for network operations and maintenance personnel to achieve "self-configuration and self-healing" , self-optimizing"

2023-07-20 comment 0 1260

The People's Bank of China agrees to the change of Alipay's actual controller

Course Introduction：According to news from this website on December 30, the central bank recently issued the Bank Xu approval document [2023] No. 189, agreeing to change Alipay (China) Network Technology Co., Ltd. to have no actual controller. According to public information, Alipay (China) Network Technology Co., Ltd. is the licensee of Alipay’s payment license and is registered in Shanghai. The company has a technical developer ratio of over 50%. As a payment technology company, Alipay opens its payment technology to merchants and provides acquiring services, forming a long-term and mature business model. Currently, Alipay has provided services to 80 million merchants and 1 billion consumers. According to inquiries on this site, Ant Group issued an announcement earlier this year stating that in order to continue to improve corporate governance and achieve long-term sustainable development, Ant Group

2024-01-08 comment 0 1121

Where do you get IT Orange's data from?

Course Introduction：IT Orange is a structured company database and business information service provider focusing on the IT Internet industry. May I ask how the data on the website IT Orange (IT Orange official website) is obtained: entrepreneurs, institutions, investors, news and other data? The same question is, where does 36Kr’s startup company data come from? Are these all crawled entirely by crawlers? Or is there a direct data channel? If there is a crawler crawler, what are the specific references and paths for the implementation of this crawler?

2016-07-27 comment 0 2863

BlackRock moves into RWA real-world assets! Join forces with Securitize to launch tokenized fund

Course Introduction：BlackRock has notified regulators that it plans to launch a tokenized private equity fund in partnership with financial services firm Securitize, in what would be a high-profile partnership. BlackRock has submitted relevant documents for its institutional digital asset fund to the U.S. Securities and Exchange Commission (SEC) and plans to cooperate with Securitize, a blockchain company focused on the digitization of real assets, to launch a tokenized private equity fund. Outside investors will need to invest at least $100,000 to participate in the fund, according to the filing. According to data from Etherscan, a token called the BlackRock USD Institutional Digital Liquidity Fund (BUIDL) was launched on the Ethereum blockchain two weeks ago. The total amount of the token

2024-03-21 comment 0 1141

Website Security Architecture Design Guide: Protecting Sensitive Data Storage and Reading Attacks in PHP

Course Introduction：In today's digital era, with the rapid development of the Internet, more and more individuals and institutions have begun to rely on websites to handle sensitive data. Due to the high value of sensitive data and the increase in cybersecurity risks, establishing a strong website security architecture has become a top priority for Internet companies. This article will focus on design guidelines for protecting sensitive data storage and reading attacks in PHP. With PHP being one of the most popular server-side programming languages, many websites use PHP to process and store sensitive data. Therefore, protecting PHP applications

2023-06-29 comment 0 1210

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