Tag:modify

  • Analysis of Python global variable reference and modification process

    Time:2021-7-14

    This article mainly introduces the python global variable reference and modification process analysis, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to 1、 Citation The global variable is only used as a reference. If its value is not modified […]

  • PHP + Ajax to achieve upload, delete, modify a single picture and background processing logic operation details

    Time:2021-7-9

    In this paper, an example of PHP + Ajax implementation of upload, delete, modify a single picture and background processing logic operation. The details are as follows: Updated on July 4, 2019 Update reason: The UI display of the front interface is not good-looking Background processing logic confusion, involving multiple images, processing is very troublesome, […]

  • Modify the batch code of the system user name

    Time:2021-6-6

    Copy codeThe code is as follows: @echo off echo. Echo. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~echo. net user echo. set  / p   User = please enter the user name you want to change:set  / p   Newuser = please enter a new name  :wmic useraccount where name=’%user%’ call Rename %newuser% echo. echo. echo   Change complete   !!!!!     Two seconds later   sign outping 127.255.255.255 -n 1 -w 2000 >nul  cls

  • Mybatis implementation of SQL query interception modification

    Time:2021-4-11

    preface One of the functions of interceptors is that we can intercept the calls of some methods. We can choose to add some logic before and after the execution of these intercepted methods, or we can execute our own logic when executing these intercepted methods instead of executing the intercepted methods. An original intention of […]

  • Yii2.0 framework database operation simple example [add, modify, delete, query, print, etc.]

    Time:2021-1-22

    This paper describes the yii2.0 framework database operation with an example. The details are as follows: add to $id = \Yii::$app->db ->createCommand() ->Insert (‘table name ‘, [‘car_ num’ => $car_ num, ‘lg_ shop_ id’ => $shop_ id]) ->execute(); Batchinsert(): add multiple rows at a time // table name, column names, column values Yii::$app->db->createCommand()->batchInsert(‘user’, [‘name’, ‘age’], […]

  • Yii2.0 framework multi model operation example [add / modify / delete]

    Time:2021-1-19

    In this paper, an example is given to illustrate the multi model operation of yii2.0 framework. The details are as follows: controller: <?php namespace app\controllers; use Yii; use yii\web\Controller; use yii\base\Model; use app\models\shopUsers; use app\models\shopLeagueInfo; use yii\web\NotAcceptableHttpException; class UserController extends Controller { public $layout = ‘shopUser’; public function actionSave($id) { $user = shopUsers::find()->where([‘id’ => $id])->one(); […]

  • The relationship between saving and modifying in JSP action

    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 […]

  • How to modify firewall configuration in Linux system

    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 / […]

  • Example analysis of modifying php7 error handling mechanism

    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 […]

  • Example analysis of modifying php7 parameter, shaping and string processing mechanism

    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 […]

  • Explain the changes brought about by html5.2

    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 […]

  • Batch processing of file name modification

    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!”) ) […]