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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11374

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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objective-c - ARC下，__weak 是否会改变对象的引用计数

ARC环境下，事例代码如下 {代码...} 打印结果如下2015-11-29 22:19:14.753 Test[15256:150713] obj0 :0x7f9f92d15d00 --- 12015-11-29 22:19:14.753 Test[15256:150713] obj :0x7f9f92d15d00 --- 3 这个3是怎么来...

2017-04-26 09:03:30

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

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12025+12015 fan combination, Limin launches Royal Knight 120 SE air-cooled radiator

Course Introduction：According to news from this website on August 5, Limin’s official website has now launched the Royal Knight 120SE, the first model of the new Royal Knight “Royal Knight” series of air-cooled radiators. RoyalKnight120SE adopts a dual-tower dual-fan design, 155mm high, with a 12025 standard thickness fan on the inside and a 12015 thin fan on the outside. This fan combination provides more space for the installation of memory modules and does not block the memory light effect. This website summarizes the parameters of the two original S-FDB bearing fans of this radiator as follows: Inner TL-C12BV2 fan: maximum speed 1500RPM, maximum air volume 66.17CFM, maximum static pressure 1.53mmH2O, maximum noise 25.6db(A);

2024-08-07 comment 0 453

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