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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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

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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 11353

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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javascript - 有谁知道阿里云.数加提供的产品: BI 报表中的仪表盘?

Course Introduction：今天看见了阿里云.数加提供的产品: BI 报表，里面的一些 js 效果感觉挺炫挺酷又挺实用的，有谁知道 BI 报表都用到了哪些技术吗? 随便聊聊，不用涉及太深就行。比如仪表盘中的图表拖拽都用到了哪些插件?

2016-06-06 comment 0 879

Share an example of how echarts implements the effect of removing the X-axis, Y-axis and grid lines

Course Introduction：This article mainly introduces the effect of removing the X-axis, Y-axis and grid lines implemented by the jQuery plug-in echarts. It analyzes the operation skills of the echarts plug-in for drawing table diagrams and setting graphics-related properties in the form of examples. It also comes with demo source code for readers to download and refer to. Friends can refer to it, I hope it can help everyone.

2018-01-23 comment 0 6854

How to insert excel table link in ppt2013

Course Introduction：Open ppt, locate the place where you want to insert the excel table, click Insert -----Object on the common toolbar. In the [Insert Object] dialog box that pops up, select [Create from File] and click Browse to find the object you want to place. In order to display the excel table file in the form of an icon in PPT, you need to select [Display as Picture] here. The final effect is as shown in the figure. You can drag the excel icon to change its position.

2024-04-17 comment 0 1111

How to solve the problem that the background is black when printing contract photos in Word?

Course Introduction：At work, many of the contract documents we obtain are often sent by users taking photos, and most of these contracts are in the form of photos, and the printed effect is not as good as the original document! Take the picture above as an example. The effect of taking a photo to print the contract is very poor. The background is all black. It is very different from the original document. Many people may use it reluctantly. Today, we will teach you how to solve this problem and ensure that the printed effect is exactly the same as the original document! 01. Remove the black background 1. First insert the photo into Word, "Insert" - "Illustration" - "Picture", then select the photo and set a wrapping method. Here I choose "Float above the text" ”. 2. Select the photo and enter "Format" - "Adjustment" - "Correction" - "Picture Correction"

2023-11-13 comment 0 2093

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