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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11337

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 17638

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 11351

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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A WeChat mini program version of Zhihu example sharing

Course Introduction：This article mainly shares with you a WeChat mini program version of Zhihu from scratch. I hope it can help you develop a WeChat version of Zhihu and get more ideas from it.

2018-01-25 comment 0 6167

Zhihu Daily development example of WeChat mini program version

Course Introduction：I believe that everyone has been fascinated by mini programs recently, so I quickly picked up the mini program version of Zhihu Daily on the weekend to calm down my shock. This article mainly summarizes this development experience and the pitfalls I have encountered. Friends in need can refer to it.

2017-02-22 comment 2 2468

An introduction to the development examples of Zhihu Daily, the WeChat mini program version

2017-03-10 comment 0 2106

Summary of some program examples

Course Introduction：This article mainly introduces the example of WeChat applet displaying json data to the applet through the API interface. The editor thinks it is quite good, so I will share it with you now and give it as a reference. Let’s follow the editor and take a look. An important knowledge prerequisite for implementing Zhihu client is to know how to display data on the WeChat applet through the interface of Zhihu News. So let’s first learn how to display the data obtained by the interface on the WeChat applet. 1. Knowledge points used<1> wx.request requests interface resources (WeChat applet...

2017-06-12 comment 0 1781

Implementation method of a conversation memo applet

Course Introduction：We have shared many articles about WeChat mini programs before, including WeChat mini programs imitating Zhihu. Today we continue to share with you the implementation of a mini program that can obtain a conversation memo. I hope you will like it.

2018-01-27 comment 0 5531

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