How to retrieve password through email in Java Web

In the development of Java Web project, the use of e-mail to help users retrieve passwords.Effect display: Need a jar package to send mail: javax.mail.jar1.JSP page (set mailbox input box) HTML: < p > please enter the email associated with your account</p> Email: < input type = "email" name = "email" id = & ...

Posted on Thu, 14 Nov 2019 08:13:20 -0800 by uglyrat

TCP for Connection Tracking

brief introduction tcp is more complex than udp protocol.In order to provide reliable transmission for the application layer, the tcp protocol introduces the features of flags, options, serial numbers, sliding windows and so on. TCP Flag Bits #define TCPHDR_FIN 0x01 #define TCPHDR_SYN 0x02 #define TCPHDR_RST 0x04 #define TCPHDR_PSH 0x08 #define ...

Posted on Wed, 13 Nov 2019 18:14:31 -0800 by netdog

The result processor of Mybatis

Preface Above How to map the method of Mybatis to XML SqlCommand and MethodSignature need to be instantiated. When MethodSignature is initialized, there is a parameter of resultHandlerIndex to specify whether the ResultHandler parameter is set. This paper focuses on how to use ResultHandler, how to trigger and how to customize the result handl ...

Posted on Wed, 13 Nov 2019 03:54:22 -0800 by mad4dweb

06 ServletConfig, ServletContext scope object

ServletConfig: indicates the configuration information of a servlet. A servlet object corresponds to a ServletConfig object   Method: 1. Get initialization parameters config.getInitParameter()     ServletContext: indicates the global configuration information of a servlet. A WebApplication has only one ServletContext object, which is sha ...

Posted on Tue, 12 Nov 2019 12:44:57 -0800 by vanessa123

tornado connecting to database

ORM Object Relational Mapping (ORM, or O/RM, or O/R mapping for short) is a kind of program technology, which is used to realize the conversion of data between different types of systems in object-oriented programming language. In effect, it creates a virtual object database which can be used in programming language. Through OR ...

Posted on Tue, 12 Nov 2019 12:15:59 -0800 by ianr

Use RPA to process the rows specified in the selected table in the clearing operation of SAP system

When performing some clearing operations in SAP system, only items with negative amount summary (yellow line) and 0 are required to be selected for clearing, and the effect is as shown in the figure:There is a method in SAP to select a specified row: import sys import win32com.client SapGuiAuto = win32com.client.GetObject("SAPGUI") application ...

Posted on Tue, 12 Nov 2019 02:37:04 -0800 by michaelk46

Technology sharing | MySQL: timestamp time zone conversion leads to high CPU% sys

Author: Gao PengAt the end of the article, there is his book "in-depth understanding of MySQL master-slave principle 32", in-depth understanding of MySQL master-slave, GTID related technical knowledge. This is a learning record. Please understand if there is any mistake. This problem is a friend's @ situation, and this friend has rea ...

Posted on Tue, 12 Nov 2019 02:13:42 -0800 by imnsi

Technology sharing | MySQL: timestamp time zone conversion leads to high CPU% sy

Author: Gao Peng At the end of the article, there is his book "in-depth understanding of MySQL master-slave principle 32", in-depth understanding of MySQL master-slave, GTID related technical knowledge. This is a learning record. Please understand if there is any mistake. This problem was encountered by a friend @ Fengyun , and thi ...

Posted on Tue, 12 Nov 2019 02:01:45 -0800 by mars16

The implementation of wechat applet service notification template

The corresponding technical implementation of applet service notification is template message, which requires technical development. For engineers, they can start by looking at the official documents.   The code is as follows: wxml: <form name='pushMsgFm' report-submit bindsubmit='form'> <button form-type="subm ...

Posted on Mon, 11 Nov 2019 15:29:01 -0800 by brainstem

02 hibernate API details

02 hibernate API details Detailed explanation of hibernate framework API Configuration object Configuration function: Configuration loading class, used to load the main configuration and orm metadata package com.qingzi.text.b_api; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; import org.juni ...

Posted on Mon, 11 Nov 2019 08:10:17 -0800 by raman