C × / AutoCad 2018 / ObjectARX / redevelopment add delete entity tool function (4)

1. Add delete entity It is very easy to add and delete entities in the secondary development of C ා ObjectARX. The main codes are as follows: Add entity: objId = btr.AppendEntity(entity); trans.AddNewlyCreatedDBObject(entity, true); Delete entity: entity.Erase(true); 2. Basic process In the code YunyouXueYuan namespace, add the Tools class. Thi ...

Posted on Wed, 01 Apr 2020 14:05:38 -0400 by hmogan

Installing oracle 11.2.0.4 under Docker

Note: https://github.com/sunrainwater/oracle-11g.git There is a complete installation code on Clone git code and generate image Direct execution: docker run -it –privileged –name oracle11g -p 1521:1521 -v /data:/install oracle-11g-scripts (no bash will be added to the last side, otherwise it will not be executed au ...

Posted on Wed, 01 Apr 2020 10:00:31 -0400 by ramonekalsaw

JFinal DB.tx() transaction rollback and lambda expression application

JFinal DB.tx() transaction rollback In order to operate multiple data to the database, transactions are needed. There are encapsulated transaction applications in JFinal Writing: Db.tx(new IAtom(){   @Override   public boolean run() throw SQLException{   // Write the operation to be performed and the operation result here result by boole ...

Posted on Wed, 01 Apr 2020 01:30:32 -0400 by haynest

Mysql multi instance installation and configuration

What is multi instance In short, multiple instances of MySQL are to open multiple different server ports on one server at the same time and run multiple MySQL service processes at the same time. These service processes provide services by listening to different service ports on different socket s. Two different mult ...

Posted on Tue, 31 Mar 2020 23:32:53 -0400 by FrankA

Install mysql and mysql common commands under Mac OS

Using brew to install mysql brew install mysql After the installation is successful, use the following command to start / shut down the service brew services start mysql brew services stop mysql Set up a soft connection for mysql.bin ln -s /usr/local/Cellar/mysql/5.7.21/bin/mysql /usr/bin Enter mysql ...

Posted on Tue, 31 Mar 2020 22:21:20 -0400 by Dvector

oracle Expdp and Impdp import and export database

The basic import and export statements are //Import / export database under specified user and instance orcl impdp/expdp user/pwd@orcl directory=DATA_PUMP_DIR Data ﹣ pump ﹣ dir is the default export path of oracle database files. It is generally the / admin / orcl (instance name) / dpdump directory under the orac ...

Posted on Tue, 31 Mar 2020 19:00:36 -0400 by vince251

A complete example of wechat web page authorization for wechat development

All relevant contents of wechat development need to refer to official documents.[wechat public platform development document] http://mp.weixin.qq.com/wiki/home/. 1, The basic wechat information of users can be obtained through webpage authorization. 2, There are 5 steps in total: 1: users agree to authorize and obtain code 2: exchange code for ...

Posted on Tue, 31 Mar 2020 15:31:06 -0400 by jase01

Simple installation of MySQL (RPM mode)

This test uses a virtual machine with ip of 192.168.2.21Although there are many steps below, you can follow the command or copy and paste command to complete the operation without difficulty 1. Installation Preparation MySQL-server-5.6.35-1.linux_glibc2.5.x86_64.rpm MySQL-devel-5.6.35-1.linux_glibc2.5.x86_64.rpm MySQL-c ...

Posted on Tue, 31 Mar 2020 10:23:08 -0400 by Napster

Install neo4j under 04 Linux

Neo4j is divided into Community Edition and Enterprise Edition. The Community Edition is free. Download: https://neo4j.com/download/other-releases/#releases System requirements The installation of Neo4j requires some hardware and system, such as CPU, Memory, Disk, Filesystem, Software, etc CPU As for CPU, the minimum re ...

Posted on Tue, 31 Mar 2020 08:39:59 -0400 by dwnz

iOS simple query operation based on FMDB

Reprinted from: https://blog.csdn.net/rpf2014/article/details/53116906 The last article introduced the operation of installation, addition, deletion, modification and query of FMDB This article is mainly about data query screening and common database statistical functions, which is convenient for later query and learni ...

Posted on Tue, 31 Mar 2020 08:28:31 -0400 by wayz1229