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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11267

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 17593

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 11304

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 operate jQuery to achieve electronic clock effect

Course Introduction：This time I will show you how to operate jQuery to achieve the electronic clock effect. What are the precautions for operating jQuery to achieve the electronic clock effect? The following is a practical case, let's take a look.

2018-06-01 comment 0 2093

Jquery+html5 realizes the clock effect of voice reminder

Course Introduction：The example in this article describes the clock effect of Jquery+html5 that can set an alarm clock and provide voice reminder. Share it with everyone for your reference. The details are as follows: This is a clock special effects code based on Jquery+html5 that can set an alarm clock and provide voice reminders. It is a super realistic analog clock. The biggest feature is that it can also provide voice reminders. Interested friends, come and study it. Operation rendering:

2017-08-17 comment 0 2437

Clock Jquery html5 special effects code sharing (alarm clock can be set and voice reminder)_jquery

Course Introduction：This article mainly introduces the clock special effects of Jquery html5 that can set alarm clocks and provide voice reminders. The function is very simple to implement. It is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 2421

JavaScript implements clock ticking sound effect

Course Introduction：This article will share with you a piece of js example code to achieve the clock ticking effect. The effect is realistic and very good. It has reference value. Friends who need it can refer to it.

2017-02-03 comment 0 1510

JavaScript html5 canvas draws clock effect_javascript skills

Course Introduction：This article mainly introduces relevant information about the effect of drawing a clock in JavaScript html5. It uses the canvas tag and Javascript script of HTML5 to simulate a clock. Interested friends can refer to it.

2016-05-16 comment 0 1673

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