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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11461

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 17743

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 11448

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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js to achieve imitation window system calendar effect

Course Introduction：What I bring to you this time is to implement the imitating window system calendar effect in JS. This is a code written completely in original JS. Although it does not require plug-ins and the amount of code is a bit more, it is still of great reference value. Today I will Let me give you a good analysis.

2017-12-30 comment 0 1887

Example of JS imitating the calendar effect of Windows 10 system

Course Introduction：The editor below will bring you an example of using native js to simulate the calendar effect of Windows 10 system. The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let’s follow the editor and take a look.

2017-10-31 comment 0 1722

Native JS implements Taobao-like product classification menu effect code on the left side_javascript skills

Course Introduction：This article mainly introduces the native JS implementation code to imitate the product classification menu on the left side of Taobao. It can realize the simple function of sliding the mouse over the tab switching. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0 3100

a1980 is the generation of iPad

Course Introduction：a1980 is the third generation of iPad Pro. iPad Pro (3rd generation) is an electronic product released by Apple on October 30, 2018. It uses Liquid Retina display, supports high refresh rate, wide color gamut and true color display; equipped with A12X Bionic chip, using eight cores The processor architecture design consists of 4 "performance" cores and 4 "efficiency" cores.

2022-12-08 comment 0 15208

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