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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11314

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 17627

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 11330

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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Guide to clearing the gym in 'Unexpected Duck'

Course Introduction："Unexpected Duck" is a casual puzzle game that has become very popular on Douyin recently. The game currently has many levels, one of which is to clean up the gym. The gym must be tidy before the boss comes back. For players who don’t know how to pass the level, here is the guide to clearing the gym in "Unexpected Duck" prepared by the editor of this site. Come and take a look at the pictures and texts below! "Unexpected Duck" Cleaning Up the Gym Goal of cleaning up the gym: Clean up before the boss comes back 1. Clean up the gym In this level, we need to clean up before the boss comes back. It is a limited time level. We need to wake up the boys first. 2. Drag the high heels. Give the blue uniform on the table to the girl. 3. Drag the clothes on the floor to the boy. 4. Drag the pizza and eat it one by one. 5. Drag

2024-01-25 comment 0 1477

Three-knob digital display panel on the front, Anemei launches Pano D58 panoramic ATX sea view room chassis

Course Introduction：According to news from this site on August 14, Anami announced the launch of the PanoD58 mid-tower ATX panoramic sea view room chassis on the 12th of this month. The chassis has a three-dimensional dimension of 451×258×491 (mm) and a volume of about 57L. It is available in two colors: black and white, priced at 599 yuan and 629 yuan respectively. The biggest feature of the PanoD58 chassis is the three-knob digital display panel on the front. The panel can simultaneously display the current temperatures of the CPU, graphics card and cabinet, as well as the lighting mode and fan gear. The three knobs at the bottom are used to adjust the lighting mode, light switch and fan speed. PanoD58 supports ATX motherboards, has 7 PCI(e) expansion slots, and is equipped with large-area mesh ventilation panels on the top and right sides. The specific compatibility specifications are compiled as follows: ▲Officially not

2024-08-14 comment 0 1159

TRYX LUCA L70 full-view ocean view room chassis is launched on the official website, equipped with an X-shaped 40mm heightening base

Course Introduction：According to news from this site on June 19, TRYX, which has launched "curved screen water cooling", recently launched an E-ATX mid-tower chassis called LUCAL70 on its official website, including black and white versions. The chassis adopts the popular "full sea view room" design. The front glass panel is a hinged door-opening structure. The entire chassis is made of aluminum alloy exoskeleton and 1mm thick SGCC galvanized steel plate. A TRYX themed laser nameplate can also be installed on the top. One of the design features of LUCAL70 is that it is equipped with a 40mm height X-shaped "suspended base" at the bottom, which can improve the cooling effect of the bottom fan. This website noticed that this TRYX chassis has a modular layout and can be switched between the bottom and top power supply compartment modes. Among them, placed under the power compartment

2024-06-19 comment 0 1133

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1195

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1052

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