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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11330

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 17632

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 11346

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 display proportion in excel footer

Course Introduction：First open the Excel 2007 worksheet window, switch to the "View" ribbon, click the "Page Layout" button in the "Workbook View" group, switch to the "Page Layout" view, then click the footer of the home page of the worksheet, in Just select the "Scale with document" checkbox in the "Options" group of the "Header and Footer Tool Design" ribbon.

2019-08-21 comment 0 4983

How to implement carousel chart using pure CSS3

Course Introduction：The carousel effect achieved by pure CSS3 is much simpler and more efficient than the one controlled by JavaScript, but the function is also more single. Only the carousel cannot be switched manually. What is used to achieve it? Page layout + animation animation

2017-10-16 comment 0 1903

JS implements the same web page layout sliding door and TAB tab example_javascript skills

Course Introduction：This article mainly introduces JS to realize the sliding door and TAB tab effects of the same web page layout. It uses the simple custom switching function setTab to realize the traversal and attribute switching of page elements. It has certain reference value and friends in need can refer to it. Down

2016-05-16 comment 0 1101

js implements MSN-like pop-up window code in the lower right corner with closing function_javascript skills

Course Introduction：This article mainly introduces the js code to implement the pop-up window in the lower right corner of imitating MSN with a closing function. It involves the dynamic transformation techniques of javascript operating page element layout and attributes. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1324

How to block pop-up ads in Firefox

Course Introduction：How to disable ad pop-ups in Firefox? There are too many advertising pop-ups on the web. We can set up the Firefox browser to block advertising pop-ups. When using Firefox to browse the web, you often encounter websites with many advertisements, which makes it uncomfortable to use. I want a cleaner and more comfortable browsing environment. The editor below has sorted out how to disable advertising pop-ups in Firefox. If you don’t know how, follow me and read on! How to disable ad pop-ups in Firefox: First, click the "Open Menu" icon in the upper right corner of the secure browser. Then, select "Options" in the pop-up menu window, as shown in the figure below. 2. At this time, you will enter the options page of Firefox browser. Click on the menu on the left side of the page to switch to the "Privacy and Security" page, as shown in the figure. 3.

2024-01-30 comment 0 1291

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