hibernate01 of SSH and SSM Learning: Introduction and Environment Construction

Introduction to hibernate01 of SSH and SSM Learning and Environment Construction Introduction to hibernate II Necessary Environment 1 Development Tool 2 Database 3 hibernate 4 junit is not necessary Basic configuration of three projects 1 Create a project 2 Fill in the project name 3 Create classes and lib directories 4 Import hibernat ...

Posted by lovasco on Fri, 24 May 2019 14:45:17 -0700

Xmanager Remote Connection CentOS7

http://blog.csdn.net/name_kongkong/article/details/53261626 At last week's regular meeting, I was told that the document of Xmanager remote connection was not written. Service not built? I think it's all VNC, Mao must do this?!! But I still got it today, ()has no human rights. After trying it out, it feels like it's not too bad. Maybe it's ...

Posted by chrispols on Thu, 23 May 2019 14:34:28 -0700

Two Temporary Tables in MySQL

Change from: http://mysql.taobao.org/monthly/2016/06/07/ External Temporary Table Through CREATE TEMPORARY TABLE Create temporary tables, which are called external temporary tables. This temporary table is only visible to the current user and closes automatically at the end of the current session. This temporary table can be named with the ...

Posted by lucidpc on Thu, 23 May 2019 12:37:24 -0700

spring manages hibernate, mybatis, primary cache failures

mybatis cache: first-level cache and second-level cache hibernate caching: first-level caching and second-level caching With regard to caching: Caching is between physical data sources and applications. It copies data in a database and temporarily stores it in memory. Its purpose is to reduce the number of times the application accesses physica ...

Posted by joyser on Wed, 22 May 2019 17:19:09 -0700

File upload of NSURLSession on the network

Some APPs need to store pictures, videos, documents and other information. App developers want users to be able to access information saved by users on any device, which requires the support of the server. How to upload data by APP is the problem to be solved in this article. Introduction to NSURLSession Upload Task Upload Task with NSU ...

Posted by buildernaut1 on Wed, 22 May 2019 12:11:13 -0700

Oracle User Management

Example:    #sqlplus /nolog   SQL> conn / as sysdba;   create user username identified by password;   grant connect,resource to username;   grant select,insert,update,delete on Table name to username;   //Let this user create views   grant CREATE VIEW to username;   //Let this user create tables   grant create table to ...

Posted by syntaxerror on Tue, 21 May 2019 18:05:50 -0700

The Construction of the First Program of Hibernate Learning Notes 1

Hibernate Learning Notes: Building the First Program Some time ago, I had a little understanding of Struts 2 framework. I was very happy to learn Hibernate framework myself. This blog post will record the process of building the first Hibernate program. In fact, sometimes I feel that no matter what language or framework we learn, the first ...

Posted by infratl on Tue, 21 May 2019 14:37:50 -0700

A variety of words Trojan horse Daquan

Today, with the development of the Internet, various levels of program use emerge at the right time, not paying attention to security, resulting in a lot of websites are hanging horses (virtual host is now a disaster area). Such a saying that the back door is the hacker's favorite, good concealment, here to share the code to you, you can find ...

Posted by meburke on Tue, 21 May 2019 13:28:09 -0700

Mybatis Principle--Caching Mechanism (Level 1 Caching)

MyBatis designed a two-level structure for data caching, which is divided into a first-level cache and a second-level cache:A first-level cache is a Session session-level cache: among SqlSession objects that represent a database session, also known as a local cache.Level 1 caching is a feature implemented internally by MyBatis that users cannot ...

Posted by plasko on Tue, 21 May 2019 10:50:23 -0700

Optir_mode parameter of Oracle optimizer

Optir_mode parameter _optimizer_mode is an optimizer parameter of oracle 11g. It can affect the behavior of the optimizer in some cases, and it is a detail parameter that can not be ignored. SQL> show parameter optimizer; optimizer_capture_sql_plan_baselines boolean FALSE optimizer_dynamic_sampling integer 2optimizer_features_enable string ...

Posted by b on Mon, 20 May 2019 16:15:29 -0700