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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11447

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 17735

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 11438

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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How to Implement a Timeout Function to Prevent Long-Running Processes?

Course Introduction：Timeout Function if it Takes Too Long to FinishIn order to avoid a situation where a specific function takes too long to finish, a timeout...

2024-11-30 comment 0 961

Detailed explanation of vue axios request timeout processing (with code)

Course Introduction：This time I bring you a detailed explanation of vue axios request timeout processing (with code). What are the precautions for detailed explanation of vue axios request timeout processing? The following is a practical case, let's take a look.

2018-04-20 comment 0 2599

PHP function timeout handling method_php tips

Course Introduction：This article mainly introduces the PHP function timeout processing method, and analyzes the timeout processing related skills based on register_shutdown_function in the form of examples. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1225

golang set timeout

Course Introduction：Golang is an efficient programming language that is widely used in development in various fields. In some specific scenarios, we need to set a timeout to avoid deadlock or stuck in the program. In this article, I will introduce in detail how Golang sets timeout, and several ways to set timeout. 1. Use channel In Golang, you can use channel to implement the timeout function. We can define a channel with a timeout parameter and retrieve the data according to the timeout time after the program is executed. For example,

2023-05-16 comment 0 2280

How to set timeout in Oracle database

Course Introduction：Oracle database is a very popular relational database, but during use, we often encounter the problem of database connection timeout. This problem may lead to data transmission interruption, performance degradation and a series of troubles. So, how to set the timeout in Oracle database? This article will introduce you to the specific method. 1. The principle of timeout setting In Oracle, the timeout period is realized through SQLnet read and write timeout parameters. SQLnet is a network component of the Oracle database that provides

2023-04-04 comment 0 5006

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