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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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Thermaltake launches Steel S250 TG ARGB chassis, front panel compatible with 420 radiator

Course Introduction：According to news from this website on March 28, Thermaltake recently launched the Steel S250TGARGB chassis. The front panel of the chassis is compatible with 420 radiator and comes with 4 ARGB fans pre-installed. The steel-made S250TGARGB chassis is available in black and snow white. The front side panel adopts a mesh design to increase air flow, and the left side is equipped with a glass panel. This website organizes the chassis specifications as follows: In terms of hardware compatibility, Ganglian S250TGARGB supports E-ATX motherboards up to 12x13 inches, CPU radiators up to 165mm, graphics cards up to 400mm, and power supplies up to 220mm. It contains 4 hard drive bays, 2 of which are 2.5 inches, and the other two are optional 3.5/2.5 inches. scattered

2024-03-28 comment 0 829

Dual telephoto and dual macro, Xiaomi MIX Fold 4 folding screen phone details revealed: 9.47mm thick, 226g heavy

Course Introduction：According to news from this site on July 16, Xiaomi MIX Fold 4 folding screen mobile phone has been publicly unveiled today. The mobile phone adopts a thin and light body design and has four Leica cameras on the rear. It is known as a "fully equipped flagship with a big discount". Xiaomi officially announced more details of the phone. This website summarizes it as follows: Xiaomi MIX Fold4 folding screen phone is about 9.47mm thick and weighs about 226g. It has four rear Leica optical Summilux cameras with dual telephoto and dual macro, including 5X periscope. It supports 67W wired fast charging and 50W wireless charging supports IPX8 waterproofing and two-way satellite communication. It has a pure white color and the camera module maintains a pure black background. Xiaomi MIX Fold4 folding screen mobile phone has passed 3C network access certification. The machine supports Tiantong satellite communications and 5G-enhanced mobile broadband (eMBB) technology.

2024-07-19 comment 0 368

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 1103

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 1175

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 1031

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