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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11323

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 17630

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 11334

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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What are the bootstrap plug-ins?

Course Introduction：Bootstrap comes with 12 jQuery plugins. Such as: Transition plug-in, Modal plug-in, Dropdown plug-in, Carousel plug-in, Tooltip plug-in, Tab plug-in, etc.

2019-07-18 comment 0 5407

What are the components of bootstrap?

Course Introduction：The components of bootstrap include: Modal modal dialog box, Dropdown menu, Scrollspy scroll monitoring, Tab tab page, Tooltip tool tip, Popover floating tip, Carousel carousel, Affix additional navigation, Collapse folding and other plug-ins.

2020-11-19 comment 0 7117

What is jquery drop-down list

Course Introduction：jquery is a widely used JavaScript library used to simplify the interaction between HTML documents and dynamic web page events. jQuery provides a large number of features and plug-ins, including dropdown lists. A drop-down list is an interface element where the user can select an option from a predefined list of options. It is usually displayed as a box. When the user clicks on the box, an options box pops up from it. The user can select an option from it to replace the content in the box.

2023-05-25 comment 0 664

Course Introduction：This article mainly recommends 8 jQuery lightweight tree plug-ins. Friends who need them can refer to them.

2016-05-16 comment 0 3115

Mobile lightweight date plug-in based on zepto--date_picker_jquery

Course Introduction：This article mainly introduces the lightweight date plug-in for mobile terminals based on zepto - date_picker. Friends who need it can refer to it.

2016-05-16 comment 0 1790

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