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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11270

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 17594

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 11306

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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Regarding the problem of custom methods in mysqli, please solve it?

When using $mysqli in a custom function, an error is reported. The red line at the bottom of $mysqli indicates that although $mysqli reports a syntax error and is marked with a red line, the data is still queried, but the loading is super slow and takes dozens of seconds. Obviously not Normally this is the database configuration

2017-09-18 15:05:55

How to learn Laravel

Laravel ranks first among the major PHP popular frameworks. It must have its unique features. More and more companies may use laravel in the future, so you can learn it first. But I found that the learning curve of laravel is very steep. I read the documentation about it, but I still don’t understand its operating mechanism...

2017-05-16 16:56:27

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

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Which one is easier to learn, mongodb or mysql?

Course Introduction：MySQL is generally easier for beginners to learn than MongoDB. The former has a structured data model, widespread use, and an easy learning curve, while the latter has a relatively high learning curve due to its document data model and emerging features, but is better suited for handling unstructured data and big data challenges.

2024-04-02 comment 0 977

How to draw sine and cosine curves on pictures using PHP_PHP Tutorial

Course Introduction：How to draw sine and cosine curves on a picture using php. In the past, I used actionscript to dynamically draw trigonometric function curves. In fact, it is very simple to output trigonometric function curves in PHP. Copy the code The code is as follows: ?php define("MAX_WIDTH_PIXEL", 600); define("MA

2016-07-21 comment 0 965

Complete code for drawing Bezier curve using HTML5 canvas_html5 tutorial skills

Course Introduction：The canvas of HTML5 is very powerful. You can easily draw Bezier curves using its canvas, which is convenient for everyone to use in the future. I will share the implementation code here. Friends who have this need can refer to it.

2016-05-16 comment 0 1796

Cool HTML5 interactive chart based on PHP_PHP tutorial

Course Introduction：Super cool HTML5 interactive chart based on PHP. Super cool HTML5 interactive charts based on PHP Implement professional-grade web-based charts with PHP without in-depth knowledge of HTML5 and JavaScript. Introduction Recently, I needed to quickly retrieve data from a set of PHP data

2016-07-13 comment 0 875

How to implement data visualization techniques such as line charts and curve charts in Vue

Course Introduction：Vue is a popular JavaScript framework that is widely used to build modern web applications. Data visualization is one of the essential technologies in web applications, and line charts and curve charts are one of the common data visualization techniques. In this article, I will introduce how to use Vue to implement line charts and curve charts. 1. Use third-party chart libraries Vue has many third-party chart libraries that can be used. These chart libraries provide a wealth of chart types and configuration options, making it very easy to implement line charts and curve charts.

2023-06-25 comment 0 4293

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