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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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Share 6 practical clock effects (collection)

Course Introduction：Clock animation is widely used. Adding a clock animation to a web page to display time in real time is very practical in certain scenarios. Below, PHP Chinese website will share with you 6 clock special effects, which are beautiful and practical. Come and collect them!

2021-07-29 comment 0 7056

JavaScript html5 canvas drawing clock effect (2)_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 1648

How Can I Recreate the `` Tag\'s Effect Using Only CSS3 Animations?

Course Introduction：Emulating the Tag with CSS3 AnimationsCreating a blinking text effect without JavaScript can be achieved using CSS3 animations. This...

2024-11-30 comment 0 274

How to create an analog clock using HTML, CSS and JavaScript?

Course Introduction：In this tutorial, we will design an analog clock with the help of HTML and CSS and make it working using JavaScript, which will display the current time in hours, minutes and seconds format. ApproachWe will use a Date object and with some calculations we will display hours, minutes and seconds. We will get the system time from the JavaScript object Date() which has functions such as getHours(), getSecond() and getMinutes(). Once obtained we will apply the hours, minutes and seconds format to convert the rotation of all three-hand hours, minutes and seconds. An analog clock displays time by means of three hands that move continuously, marking the time from

2023-08-29 comment 0 1024

Example tutorial HTML5 Canvas super cool fireworks bloom animation implementation code_html5 tutorial skills

Course Introduction：This is a cool HTML5 Canvas animation. It will simulate the animation special effects of fireworks blooming in our real life. The effect is very realistic. Let's briefly analyze the process and code of implementing this HTML5 fireworks special effect. It is mainly composed of HTML code. , CSS code and Javascript code, of course the javascript code is the most important

2016-05-16 comment 0 3168

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