Tag：delete
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Time：2021-6-20
Del command parameter description/F Force deletion of read-only files./S Removes the specified file from all subdirectories./Q Quiet mode. When deleting global wildcards, no confirmation is required./A Select the file to delete according to the properties. RMDIR [/S] [/Q] [drive:]path RD [/S] [/Q] [drive:]path /S In addition to the directory itself, all files in the specified directory […]
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Time：2021-6-13
First of all, this suspicious IP, 58.63.144.170, is said to be a retarded spider. God bless it to hell. Friends who have read the Apache log should know that each line of the Apache access log starts with the IP address of the visitor. Because the log is relatively large, I use UltraEdit to look […]
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Time：2021-6-4
An insert statement 1. Only the default value is inserted into the data insert into [DBTrain].[dbo].[log_info] default values 2. In the nullable field, if you want to set null, you can press [Ctrl + 0]. Note that zero is not o. if you want to restore the value before modification, press [ESC] Two update statements […]
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Time：2021-6-1
This article describes the difference between the up and down placement of script in JS and the operation of adding, deleting, modifying and creating dom. The details are as follows: review JavaScript is divided into three parts 1. Ecmascript5.0 ES6 (Ruan Yifeng) ES7 es8 There is the concept of class in ES6 Declare variable […]
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Time：2021-5-3
for example .. con nul wait Two lines of code to do, quickly delete the use of illegal file names of files and folders June 4, 2007 Monday 19:08 Copy codeThe code is as follows: DEL /F /A /Q \\?\%1 RD /S /Q \\?\%1 Save as . bat perhaps . cmd File.What will happen in […]
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Time：2021-4-12
This paper introduces ASP.NET The sample code for adding, deleting, modifying and querying Hadoop is shared with you as follows: packages.config <?xml version=”1.0″ encoding=”utf-8″?> <packages> <package version=”4.0.20505.0″ targetFramework=”net46″ /> <package version=”5.2.0″ targetFramework=”net46″ /> <package version=”5.2.0″ targetFramework=”net46″ /> <package version=”0.12.5126.42915″ targetFramework=”net46″ /> <package version=”2.0.20505.0″ targetFramework=”net46″ /> <package version=”1.8.0.0″ targetFramework=”net46″ /> <package version=”4.5.11″ targetFramework=”net46″ /> <package version=”5.2.0″ […]
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Time：2021-3-20
In this paper, an example is given node.js Mongoose is used to operate the database to realize the functions of adding, deleting, modifying and querying the shopping cart. The details are as follows: 1. Database operation statement Mongoose implements the operation of each collection through model, which needs to be defined before use model:goods . […]
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Time：2021-3-17
This article describes the jQuery attribute acquisition / setting and style add / delete operation skills. The details are as follows: Getting and setting jQuery properties //Find the first input and set the value of the attribute value through attr $(” input:first “). Attr (‘value ‘,’New value’); //Assigning values to multiple properties at the same […]
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Time：2021-2-14
This paper describes the common operations of TP5 framework model with examples. The details are as follows: Use model to query data, add data, modify data and delete data Aggregation operation Getter, modifier Automatically add time stamp (creation time, modification time) Soft delete 1. Using model to query data $res = user:: get (1); // […]
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Time：2021-2-12
1. After logging in to MySQL, first check whether the event function is enabled in MySQL Command: Show variables like% SC%; Discovery event_ The scheduler is off; 2. Open event_ scheuler: Temporarily open (the MySQL service fails after restart) SET GLOBAL event_ scheduler = ON; SET GLOBAL event_ Scheduler = 1; – 0 means close […]
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Time：2021-2-11
preface In Python, if you want to delete the specified row and column in the tendon, you thought you could have a function or assign a line to [] directly. It turns out that it’s not so simple. So you use a curve to save the country. I hope you can point out a more […]
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Time：2021-1-30
Paste the code directly:First, index_ test.jsp The code of the page is as follows: Copy codeThe code is as follows: <%@ page language=”java” pageEncoding=”utf-8″%> <%@ page contentType=”text/html;charset=utf-8″%> <% request.setCharacterEncoding(“UTF-8”); response.setCharacterEncoding(“UTF-8”); response.setContentType(“text/html;charset=utf-8”); %> <!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd”> <html xmlns=”http://www.w3.org/1999/xhtml”> <head> < title > personnel operation<META http-equiv=Content-Type content=”text/html; charset=utf-8″> <style> […]
