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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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Ex-Admin uses graphical drag and drop to generate CURD without paying attention to JS. You can quickly build a backend system using only PHP code.

Ex-AdminEx-Admin is a backend system construction tool developed based on Ant Design of Vue. There is no need to pay attention to the page template JavaScript, and you can quickly build a fully functional backend system using only PHP code. . [Chinese Document][Demo / Online Demonstration][github] [gitee(codecloud)] Graphical curd tutorial features - Flexible design, supports access to various PHP frameworks, object-oriented programming of backend components, and component-based development&nbsp

2022-07-21 12:27:18

Caching reporting data in the same transaction database vs using a data warehouse

We have a SaaS solution where each tenant has its own MySQL database. Now I'm designing a dashboard for this SaaS system and it requires some analytical charts. To obtain the data required for the chart, we can query each tenant's transaction data in real time from its database. and get updated graphs without bad performance since the data volume is not that big so far. However, since the data volume will continue to grow, we decided to separate the analytical data and transaction data for each company. We will fetch the analytical data of the charts in the background, save/cache them and update them regularly. mine

2024-02-26 19:20:23

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

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How to check statistics on DingTalk smart form filling_How to check statistics on DingTalk smart form filling

Course Introduction：1. First open DingTalk on your mobile phone and find [Smart Form Filling] on the [Workbench] interface. 2. Then select [Statistics] under the name of the template you want to view and export data.

2024-03-29 comment 0 1097

How to beautify an Excel table_A few simple steps to make the table look great and your boss will like it

Course Introduction：1. We first press the shortcut key CTRT+T on the keyboard to create a table using the template that comes with Excel, and select the table. Remember to check Include table title. After clicking OK, our form will be beautified. 2. Then notice the total column, we can select it, then click [Click Format] - [Data Table] to choose a striking data bar color. Then select the sorting method as descending order, so that our data statistics will be displayed clearly. 3. Finally, we select the table and press the shortcut key ALT+F1 to quickly generate a statistical chart, which is very simple.

2024-06-04 comment 0 318

Detailed steps for setting up walls constructed of multi-layer materials in Revit

Course Introduction：In the past expression habits of the AutoCAD platform, walls are generally expressed with double lines. For example, [200mm thick masonry wall] is expressed with double lines with a spacing of 200mm. As for the filling layers and surface layers on both sides of the masonry, they are generally described in the general description or construction list and are not shown on the plan view. They are only shown on the local enlarged plane or large sample with a scale of less than 1:50. The schematic diagram of the multi-layer structure of the wall is shown in the figure. However, on the Revit platform, the setting of the wall is more complicated. The material can be set to a multi-level composite material, as shown in the figure, or only a single layer of material can be set. The setting of the material affects not only the plane expression of the wall, but also the The view expression of vertical sections also has an impact on collaborative design between disciplines, subsequent engineering quantity statistics, 4D simulation, etc., so it has an impact on

2024-04-23 comment 0 417

How to use master view to unify PPT format?

Course Introduction：Master view is a powerful tool in PPT that can help us unify the format, layout and design style of slides. Today let’s take a look at how to use the master view to unify the PPT format and make each slide look consistent and professional. Step 1: Open the master view After opening PPT, select [Slide Master] in the [View] tab list in the top menu bar. Step 2: Edit the master layout After entering the master view, you can see the various layout templates of the PPT, including the title page, content page, etc. We just need to click on any layout to start editing the format and design we want to apply to all slides. Step Three: Adjust Text Style and Format In the master view, click the text box or title area to enter text

2024-07-25 comment 0 1154

Unable to open WinXP system of mobile hard disk

Course Introduction：Solution to the problem that WinXP system cannot open the mobile hard disk: Method 1, press "win+r", enter the command "regedit", expand the project to explorer, double-click to open "NoDriveTypeAutoRun", change 95 to 9D, method 2, enter Command "gpedit.msc", click to open Computer Configuration - Administrative Templates - System, then find and select "Turn off AutoPlay", select all drives, and click Exit. Detailed solution tutorial for WinXP system cannot open the mobile hard disk: Recommended: How to take a screenshot of WinXP system Method 1. Enter Regedit in "Run" of the "Start" menu, open the Registry Editor, and expand to HKEY_CURRE

2024-01-29 comment 0 1116

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