Article Introduction：PHP method to delete the multi-selected content of the front-end checkbox at one time. Copy the code The code is as follows: SQL: $SQL="delete from `doing` where id in ('1,2,3,4')"; The data is separated by commas. Form: Copy the code. The code is as follows: form action="?action=doing" method

2016-07-21 comment 0  876

Article Introduction：In web development, we often use tables as part of page layout. Sometimes, we need to perform some operations on the table, such as adding, deleting, modifying, etc. Suppose we want to delete a certain row or column in the table, we can use jQuery to complete this operation. 1. Use jQuery to select the rows or columns you want to delete. First, we need to use jQuery to select the rows or columns you want to delete. We can use the following code to select rows or columns to delete. 1. Delete the specified row ```$('table tr').eq

2023-05-28 comment 0  1095

Article Introduction：With the continuous development of the Internet, more and more websites need to support the multi-image upload function. For websites, while implementing the multi-image upload function, they also need to support preview and delete functions, so as to better meet the needs of users. . This article will introduce how to use PHP to implement multiple image upload, preview and delete functions. 1. Implementation of the multi-image upload function 1. HTML code Create a form in the HTML code, add an input tag, the type attribute is file, this tag allows the user to select the image to be uploaded, and also needs to add an e

2023-04-21 comment 0  823

Article Introduction：PHP batch deletion code ideas: 1. Set the class file for database query; 2. Add a selection check box to the table; 3. Use js to control all selection and deselection of the check box; 4. Add a form form outside the table and submit button, and use js to control the display of detailed prompt information when clicking delete; 5. Create a new php file for deletion processing.

2022-11-29 comment 0  984

Article Introduction：Oracle database is an important choice for enterprise-level applications. However, over time, the number of database objects (such as tables, indexes, views, etc.) will continue to increase. Sometimes you may need to delete some unnecessary objects to reduce space usage or reorganize the database structure. This article will introduce how to delete objects in Oracle database. 1. Deleting a table Deleting a table in Oracle is very simple. One or more tables can be easily dropped using the DROP TABLE statement. Below is some sample code. Use the DROP TABLE idiom

2023-05-14 comment 0  932

Article Introduction：When a git commit is accidentally committed to the master branch, the processing methods are: rollback the commit, create a new branch and merge, reset the master branch, delete and recreate the master branch. The selection method of the master branch needs to consider code destructiveness, workload and history retention requirements.

2024-04-09 comment 0  986

Article Introduction：How to Delete Shortcut Menu on Mac Want to delete the entire shortcut menu on Mac? Here's how to do it: Open the Shortcuts app on your Mac. Select "Menu Bar" from the sidebar. Right-click or Control-click each shortcut and select "Remove from Menu Bar." Repeat until you reach the menu bar. The shortcut is not showing up in the list. Now hold down the Command key and drag the shortcut menu bar item out of the menu bar until an X appears on the icon, then release to exit the shortcut. The shortcut menu bar item should now be removed. Some users have to restart their Mac for the changes to take effect, but this is not required, simply deleting all items and exiting the shortcuts is enough.

2023-04-23 comment 0  4457

Article Introduction：In web applications, tables are a very common and important interface element. Rows and columns in tables are used to display data or provide menu options. However, sometimes we need to delete some rows of data in the table, such as when the user performs a delete operation. This article will introduce how to use jQuery to delete four rows of data in a table. Step 1: Create an HTML table The first thing to do is to create an HTML table so that you can then use jQuery to delete four rows of data in the table. The HTML code is as follows: ```<table id="my

2023-05-23 comment 0  560

Article Introduction：How to delete order records on KFC app? The KFC app is a mobile application that allows users to order food. Users can select the KFC store they want to go to and then order. The user can choose whether to dine in or have it delivered, no matter what the user chooses The way to order food will be recorded on this software. Some users want to delete all orders, but don’t know how to do it. The editor below has compiled the order deletion methods for your reference. How to delete order records in the KFC app: 1. Click to open the KFC APP directly on the mobile phone desktop. 2. In the next step, a new window will pop up. Continue to find the order and choose to enter. 3. If there is no problem at this time, long press the pair that needs to be deleted.

2024-03-12 comment 0  1655

Article Introduction：PyCharm is a comprehensive IDE designed for Python developers with powerful features: Code editor: syntax highlighting, auto-completion and error detection Debugger: breakpoints, single-stepping and variable inspection Unit testing: unittest support , pytest, nose version control integration: Git, Mercurial, Subversion code reconstruction: renaming, extraction method, safe deletion

2024-04-04 comment 0  916

Article Introduction：Select the line of HTML code to be commented, click [Edit] in the notepad++ menu bar; select [Comment/Uncomment] in the pop-up drop-down menu, select [Add/Delete Single Line Comment] or use the shortcut key [Ctrl+Q]. The annotation is completed.

2019-08-09 comment 0  6014

Article Introduction：The solution to "WeChat does not support the opening operation, please check the application instructions first": first enter "Settings" -> "Manage Applications"; then press the menu key and select "Reset Application Preferences"; then click "Reset Set Apps" and find "Desktop" in the "All" list of "Manage Apps"; finally select "Clear Data".

2020-04-18 comment 0  39752

Article Introduction：How to use PyCharm to set breakpoints and continue running? Set breakpoints in PyCharm to pause program execution and examine variables and code status. Methods include: clicking on the edge of the line number, using shortcut keys, or right-clicking on the line of code and selecting "Toggle Breakpoint". The ways to continue running are: F9 (next breakpoint), F8 (end of function), F7 (single-step execution), F6 (switch between single-step execution and continue running modes). PyCharm also supports temporary breakpoints, which can be set by right-clicking on a variable and selecting "Evaluate Expression" or clicking the "Evaluate and Break" button. Breakpoints can be removed by dragging or right-clicking.

2024-04-19 comment 0  685

Article Introduction：After I did the Windows 10 update, my login password stopped working. I've already reset my password for my Microsoft account but none of the new passwords work either. It's not a Caps lock problem. Opted to reinstall Windows 10, removed all apps w

2024-08-01 comment 0  1071

Article Introduction：JQuery is a very excellent JavaScript library that provides many convenient methods to make front-end development faster and more efficient. In JQuery, query filtering is one of its most commonly used functions. This article will introduce the relevant parts of JQuery query filtering in detail. 1. Overview JQuery’s query and filtering mechanism is one of its most important functions. Through filtering, you can easily operate, modify, delete and other operations on HTML elements. JQuery supports filtering through CSS selectors, and supports basic selectors and hierarchical selectors.

2023-05-25 comment 0  757

Article Introduction：How to delete duplicate items in wps and keep one? Many novices don’t know how to perform this deduplication operation. Sometimes a lot of the same content will appear when organizing documents, so how should they be removed? In response to this problem, the editor of this issue will Come and share the operation method with the majority of users, let’s learn about it together. The method steps are as follows: 1. Open the WPS table, select the data column, and click Data on the menu bar. 2. Click on the duplicate item and select the bottom option from the drop-down menu to delete the duplicate item. 3. In the pop-up window, select the data column, view the duplicate results, and click OK. 4. Click Delete Duplicates to return the deletion results. The duplicate items in the table column are deleted by Jinzhu, and a piece of data is retained.

2024-08-29 comment 0  863

Article Introduction：There are many commonly used database deletion statements in PHP. This article will briefly introduce several commonly used methods. DELETE statement The DELETE statement is one of the most commonly used database deletion statements in PHP. It can delete one or more rows of data in a table. When deleting data, you need to first select the table to be deleted, and then use the DELETE statement to delete the data. The sample code is as follows: ```php//Connect to the database $conn = mysqli_connect("localhost", "username",

2023-04-06 comment 0  1489

Article Introduction：PHP development skills: How to implement batch operation functions In web development, sometimes we need to operate a large amount of data, such as deleting multiple users, updating multiple products, etc. Manual operation one by one is obviously too inefficient. At this time, the batch operation function needs to be implemented. This article will introduce how to use PHP to implement batch operation functions and provide code examples. 1. Batch deletion function When implementing the batch deletion function, we can use check boxes to select the data to be deleted and perform the deletion operation by submitting a form. The code example is as follows:

2023-08-18 comment 0  898

Article Introduction：How to delete too many things in the right-click menu bar of Windows 11? Details: The right-click menu bar is a shortcut for us to quickly open software or programs. Many users here say that there are too many things in the right-click menu bar. Let this site introduce the win11 right-click menu to users in detail. There are too many things in the column. How to delete them? There are too many things in the win11 mouse right-click menu bar. Delete method 3. Determine the items to be deleted: In the appropriate position, you will see the sub-keys of the right-click menu handler listed. Browse these subkeys to identify the specific item you want to delete. 4. Delete an item: Right-click the subkey you want to delete and select Delete. In the pop-up confirmation dialog box, click Yes to confirm the deletion operation. 5. Restart the Explorer: Press Ct

2024-01-30 comment 0  1713

Article Introduction：jQuery is a popular JavaScript library that can be easily used with HTML, CSS, and JavaScript. In web development, we often need to modify the values ​​in form elements. At this time, we can use jQuery to simplify the code. This article will introduce how to use jQuery to modify the values ​​in the form, add, delete, modify attribute values ​​​​on the form elements and set the values ​​​​of the form elements. The following are detailed steps and code examples: 1. Modify the value of the form element using the `.val()` function to get or set

2023-05-18 comment 0  796