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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11282

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 17606

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 11315

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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2022 Chinese Valentine's Day Confession Special Effects Code + Website Materials [Free Download]

Course Introduction：The annual Chinese Valentine's Day is coming. As a programmer, don't fall behind. Come and show your love with code! Below, the PHP Chinese website has prepared 5 confession artifact source codes and 8 Chinese Valentine's Day vector picture materials to share with everyone!

2022-08-02 comment 0 4099

'Simple Alchemy' Couple Synthesis Method

Course Introduction：Simple Alchemy is a synthesis game with easy gameplay and simple operation. At the beginning, players can use very few alchemical materials, so everyone needs to constantly synthesize new elements! You don’t know how to synthesize some elements. Today, the editor will share with you the synthesis method for couples in "Simple Alchemy". If you don’t know how to synthesize it, let’s take a look. "Simple Alchemy" couple synthesis method couple = love + sugar cauldron = metal + witch watermelon = person + summer game = child + child Dragon King = Wukong + sea selfie = travel + person travel = person + city u-rope: line + Pen: Coal + Wood Wire: Electricity + Metal Wire: Cotton + Tool Pen: Wood + Coal/Charcoal Compass: Pen + Pen Rocket: Airplane + Space Bacteria: Swamp + Life Related recommendations: "Simple Refining

2024-03-07 comment 0 1135

'World of Warcraft' Frost King E'horn fighting strategy

Course Introduction：How to fight Frost King Ahorn in World of Warcraft? Frost King Ahorn is a special festival BOSS during the Fire Festival. He appears in the Slave Fence dungeon. Whether it is normal difficulty or heroic difficulty, it brings a lot of trouble to players. Small challenge. The following is a detailed strategy guide to help players successfully defeat the Frost King. How to fight Frost King Aihorn in World of Warcraft 1. The priority order of killing mobs: water element (low blood volume, priority) → earth element (with aura, need to be killed as soon as possible) → wind element (has the ability to pull people, But the blood volume is not much). 2. The tank needs to hold the earth element to ensure that the DPS can focus fire to kill. Other mobs can be killed with the help of DPS or tanks depending on the situation. 3. DPS needs to concentrate its firepower during the mob stage to quickly clear the mobs and reduce the risk of

2024-08-19 comment 0 1042

Huawei Pura 70 has just been released today. Hongmeng's new system has been launched: smoother application experience, blocking ad jumps, etc.

Course Introduction：According to news on April 18, the Pura70 series has just been released, and Huawei has prepared a new system for it. It is reported that Huawei is pushing the new version of HarmonyOS4.2 system update for the Pura70 series. The version number is 4.2.0.137 (SP1C00E135R3P5) and the system package size is 1.48GB. Specifically, the details of the update are as follows: The theme has added interesting scene themes, personified geometric images, combined with sports themes to transform into a tennis player, allowing the lock screen interface to follow the movement of the human eye's gaze area to hit the ball back and forth, bringing a realistic and interesting experience. Human-computer interaction experience creates novel and interesting theme styles; more geometric elements and emoticons are added; geometric stickers and mood stickers each add a set of styles for lock screen scene animations and mood parties

2024-04-18 comment 0 643

There are several preview methods in CorelDRAW. Introduction to previewer image types

Course Introduction：As an excellent vector drawing software, CorelDRAW has rich drawing functions and convenient and fast drawing tools, and is deeply loved by designers. Before, we talked about how to set up previews so that users can find the materials they need faster and more conveniently. Today I will introduce to you the types of preview views so that you can make better choices! The specific types are as follows: Wireframe view: This mode displays graphic outlines without color details. Quickly preview the basic elements of a drawing. 2. Normal view: PostScript fills or high-resolution bitmaps are not displayed when displaying graphics, so this mode opens and refreshes faster than "Enhanced" mode 3. Enhanced view: Outline shapes and text are displayed softer

2024-02-10 comment 0 719

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