Tag:modify
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Time:2020-12-1
Code fragment in action Copy codeThe code is as follows: Private string EPID; / / the global variable gets a comma separated stringpublic String getEpid() { return epid;} public void setEpid(String epid) { this.epid = epid;} public String edit() { try {If (“save”. Equals (save)) {/ / click the Save button return save(); } else […]
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Time:2020-10-13
This article mainly introduces how to modify the firewall configuration of Linux system. The example code is introduced in detail, which has a certain reference value for everyone’s study or work. Friends in need can refer to it To change the firewall configuration of Linux system, you need to modify the file / etc / […]
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Time:2020-10-3
This paper describes the modification of php7 error handling mechanism. For your reference, the details are as follows: 1、 There are now two exception classes: exception and error Php7 now has two exception classes, exception and error. Both classes implement a new interface: throwable. In your exception handling code, type hinting may need to be […]
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Time:2020-10-2
This paper introduces the modification of php7 parameter, shaping and string processing mechanism. For your reference, the details are as follows: Modification of parameter processing mechanism 1、 Duplicate parameter naming is no longer supported. Duplicate parameter naming is no longer supported. For example, an error will be reported when the following code is executed: public […]
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Time:2020-8-18
In the W3C HTML 5.2 specification, there is a section that introduces the changes introduced in this version. I synthesize the description from the article “what’s new in HTML 5.2?” to list the more important parts for me. New features Primordial<dialog>element 2.5, which is more frequently used in the development of HTML<dialog>Element to create a […]
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Time:2020-8-9
Copy codeThe code is as follows: @echo off & setlocal enabledelayedexpansion Echo – = = file name replacement (remove the_ V2 and_ V3)==-echo. echo. Set / P folder = please enter a path: for /r %folder% %%i in (*) do ( set file=%%i set file=!file:_v2=! set file=!file:_v3=! if %%i neq !file! (move “%%i” “!file!”) ) […]
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Time:2020-6-16
The example of this paper describes the method of JSP using MVC mode to complete the function of deletion and modification. Share with you for your reference. The details are as follows: Objectives: ① Further understand MVC mode;② Master the basic implementation process of deletion function;③ Master the basic implementation process of modification function. Main […]
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Time:2020-4-5
This paper gives an example of the usage of go Language Dictionary (map). To share with you for your reference, as follows: A dictionary is a built-in data structure that holds an unordered collection of key value pairs. (1) Dictionary creation 1) make(map[KeyType]ValueType, initialCapacity) 2) make(map[KeyType]ValueType) 3) map[KeyType]ValueType{} 4) map[KeyType]ValueType{key1 : value1, key2 : value2, […]
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Time:2020-3-24
In this paper, the method of modifying SQL Server database logical name, database name and physical name by T-SQL statement is introduced. To share with you for your reference, as follows: Changing the writing method of physical file name sql statement of MSSQL database Note: in the activity monitor, make sure that no process is […]
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Time:2020-3-1
Because the blog program used in this blog is developed and used at the same time, some properties that are not needed at present are created dynamically during the development process Mongodb is schema free. Unlike relational databases, where column attributes are defined in tables rather than records, each document in mongodb‘s collection can have […]
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Time:2020-2-21
This article mainly introduces the example of wechat small program modifying the style code of checkbox. The example code is introduced in detail in this article, which has certain reference learning value for everyone’s study or work. You can refer to the following for your friends Before amendment: After amendment: Wxml Code: <checkbox /> Wxss […]
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Time:2020-2-15
When reading a long PDF document, in order to facilitate us to quickly locate the last reading position when we read it again, we can insert a bookmark to mark; in addition, for the existing bookmarks in the document, we can also modify or delete them as needed. This article uses Java programming to show […]