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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17619

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 11325

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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javascript - About modal window, close the current window and refresh the previous window

1. Click Add Data in a pop-up box (Modal) to pop up a second window (Modal). After the data is created and saved in the second window (Modal), how to refresh the data in the first MODAL? The code is as follows: Click to add The code for popping up the second pop-up box is as follows: Pop up a new page 2. Save after adding data 3.

2017-05-19 10:16:47

javascript - Setting the value of video src dynamically through jquery cannot play the video?

{Code...} The demo here https://jsfiddle.net/r9u1cn7o/ makes a pop-up pop-up box to play the corresponding video by clicking on different labels. However, I successfully assigned a value to src through jquery, but I don’t know why it cannot be played. ?

2017-05-16 13:43:02

jQuery dialog button ignored, continue submitting form

I have the following form code and the javascript code is shown below. The problem is that when validateDialogForm() is executed, a jquery dialog box is displayed if certain conditions are met. I can indeed see the dialog appear for a few seconds, but it won't stay there and the form still continues to submit. I want the form to pause for a period of time and only submit when the user clicks the save button. I tried adding returnfalse; before the end of the validateDialogForm() function to prevent the form from being submitted, but when

2023-08-15 12:55:00

Change the location of the default file picker dialog

I am creating an e-commerce store and we need to display a "Select File" dialog in order to select the required file and upload the same. Scenario in Windows: When the "Choose File" dialog opens, it is in the upper left corner. I need to move it above and in the center of the popup where the "Choose File" button is placed. I've read many articles suggesting using Windows API for this, but the web application can be accessed on any OS, so making it specific to that OS is not a suitable solution. Please suggest any way we can do this

2023-09-10 16:24:25

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

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Tutorial on how to protect Excel workbook

Course Introduction：Open the Excel worksheet and execute [Review - Protect Workbook]. In the [Protect Structures and Windows] dialog box that pops up, check [Organization], enter the password, and click [OK]. The [Confirm Password] dialog box pops up, enter the password again, and click [OK]. At this time, you can see that the [Insert] and [Delete] worksheet commands are gray and unavailable. In this way, the excel protected workbook is realized.

2024-04-17 comment 0 701

Detailed steps for using CHIINV function in Excel

Course Introduction：1. Open the Excel spreadsheet and click the formula button. 2. Click to insert function. 3. Select the statistical function in the pop-up window. 4. Select the CHIINV function. 5. Enter the corresponding value in the pop-up dialog box and click the OK button. 6. Get the calculation results, as shown in the figure.

2024-03-29 comment 0 800

How to set up pop-up windows in QQ Browser_Tutorial on setting up pop-up windows in QQ Browser

Course Introduction：1. First, double-click the QQ browser icon to open the browser. 2. Then click the menu button in the upper right corner of the window, select [Tools] and select [Internet Options]. 3. Then in the pop-up window, click [Privacy]. 4. Then check [Enable pop-up blocker], and then click [Settings]. 5. Finally, in the pop-up dialog box, enter the website address to be allowed and click [Add].

2024-04-02 comment 0 591

How to implement table locking in excel

Course Introduction：Implementation method: First open the excel sheet that needs to be operated, click the "Review" - "Protect Worksheet" option at the top of the page; then enter the set password in the pop-up "Protect Worksheet" dialog box, and click "OK" below ; Enter the password again in the "Confirm" dialog box that finally pops up, and click "OK" below.

2021-05-14 comment 0 46610

How to remove computer pop-up ads

Course Introduction：Method: 1. Open the "Control Panel" and click the "Network and Internet" option; 2. In the "Network and Internet" option panel, click "Internet Options"; 3. In the pop-up dialog box, click the "Privacy" option Card; 4. Check "Enable pop-up blocker" and click "Apply" - "OK".

2021-05-27 comment 0 4713

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