In general, we put the transaction in the service layer, using the service's business logic interface Unified Management.
Why not at the DAO layer?
Because it is possible for a service to invoke more than one DAO, the multiple DAO may be interconnected, and sometimes an operation requires multiple databases to be invoked, but the invocation is either fully committed or all rolled back.
Therefore, invoking transactions at the DAO layer is theoretica
phpmyadmin export data In the second section, we configured phpMyAdmin password-free access, and now configure how to prohibit the export of data that is queried through phpMyAdmin. By default, phpMyAdmin is able to export the entire database, as follows: In order to prevent developers from exporting the results of the query, we can do this, the phpMyAdmin root directory under the tbl_export.php or export.php file to rename it, as follows: MV Export.php Export.php.bak Once the modifications a
directory/var/www/html/protect>
AllowOverride authconfig
Options Indexes
Directory>
b) Create a new. htaccess file in the/var/www/html/protect directory and set the Web Access permissionsCd/var/www/html/protectVI. htaccess[HTML]View Plaincopy
Directory>
[HTML]View Plaincopy
AuthName "Protect webpage by. htaccess
AuthType Basic
authuserfile/var/www/apache.passwd
Require user shuming
Directory>
AuthName: In the Enter accoun
I. Lab Objectives
Master the configuration and management of basic vswitch Information
Ii. Technical Principles
Vswitches can be managed in two ways: in-band management and out-of-band management.
Using the Console port of a vswitch to manage vswitches is out-of-band
Mode one Mode two Spring Proxy Transaction management is the service class that first encapsulates a transaction proxy class and then cuts in to use such rules.Spring Configure agent Transaction Management configuration
[Cocos2dx note 005] A string management configuration classIn the development of cocos2dx with vs process, to display the Chinese, the requirement is the UTF-8 format can be normally displayed, but VS is generally saved in ANSI format, in this way, the Chinese character string written in the Code. After running, garbled characters are displayed.To correctly display Chinese characters or support multiple lan
volume). First, Fix RAID-5 Roll 650) this.width=650; "src="%5c "title=" \ "Picture 33.png\"/"alt=" wkiol1wnn3qbvt4raac3h82vovy119.jpg\ "/>First, Repair Complete650) this.width=650; "src="%5c "title=" \ "Picture 34.png\"/"alt=" wkiom1wnnb3qux2maaedprhqcne748.jpg\ "/>1. disk quota Operation for "E:" disks, set The disk quota of user user1 to 20MB, Then copy the content larger than 20MB to the D Drive to see if it was successful. First, the disk quotas for E disks650) this.width=650; "src="%5
the Active Directory. Also, a domain user account can log on to any computer in the domain (except for domain controllers), and users can no longer use a fixed computer. When a computer fails, users can log on to another computer using a domain user account to continue working, which makes managing the account easier. any user who wants to log in to a domain from his or her own computer must be authenticated by a domain controller , and this verification is done through the user's login account
Configured the server resin3 in eclipse based on the link Tomcat method (as follows:)Window----Preferences---myeclipse---application servers---resin3--1. Configure the JDK below (refer to the directory installed by the JDK).2.Paths---Append classpath (select Add Jar/zip), the resin directory under the LibJ2ee-management-10.jar Import"This configuration tortured me for a long time and always reported mistake
automatically set to a. out.
2. simple gcc usage
1 gcc-c tmp. c
-The c parameter only compiles the source code into the target file and does not create links.
The tmp. o file is generated, but the executable file is not generated.
2 gcc-o tmp. c-c
-O parameter optimization speed based on the operating environment during compilation
The tmp. o file is automatically generated and optimized.
3 gcc tmp. c-lm
-Lm indicates the library file libm. so or libm..
4 gcc-o main tmp. c-wall
-O tmp specifies
By accessing the Tomcat default home page through a browser, you can manage the Web projects configured on that server, but only users who pass the certification will have access to the relevant pages, which are related to the $catalina_home/conf/ Tomcat-user.xml file, the following is a sample configuration document: The role element has a value of 6, and Manager-gui,manager-script,manager-jmx,manager-status is used when managing Webapps/manager pro
Ubuntu 10.10 has been installed recently. Because Windows 7 and other systems have been installed before, the Startup menu is displayed after Ubuntu is installed. By default, Ubuntu is started. I have found many ways to modify the startup options on the Internet, and there are different opinions. The summary is as follows:1. the best method to access the Internet: Install startupmanager-graph startup Item ManagerOpen the terminal and enter sudo apt-get install startupmanager.Install the startup
First, the public number of background configurationThat is, in the public number background configuration similar to the following url:http://121.40.86.55/wx?oid=gh_befcc6d4c40dIn this case, the Doget method of the Weixinservlet class is executed in order to ensure that the configured URL is correct, The main logic in Weixinservlet.doget is that the Weixinservlet.doget validation call is valid and the validation logic is as follows:1. Several paramet
Mainly include:1 Installing SVN2 Creating a Warehouse3 Configuring Permissions4 Configuring the Firewall iptables5 windows and Server synchronization scriptsThe most error-prone is configuring permissions and firewalls, so be careful here.1 Installing SVN2 Creating a Warehouse3 Modifying the above configuration file4 Modifying firewalls5 The following is a complete example:Checkout on WindowsFind a directory to check, you must first check the amountCe
3. Configuration Managementon the server:vim/etc/salt/master//Search Find File_rootsOpen a comment that reads:file_roots:Base:-/srv/saltMkdir/srv/saltCd/srv/saltVim/srv/salt/top.sls//Add the following:Base:' * ':-ApacheThis means that the Apache module is executed on all clients.Vim/srv/salt/apache.sls//Add the following content, this is the contents of the Apache moduleApache-service:pkg.installed:-Names:-httpd-Httpd-develservice.running:-NAME:HTTPD-
see how the layers of the file layer stack up.Nine, view root passwordThe root user's password is randomly assigned when the Docker container is started. Thus, the root user's password for the container can be obtained in this way.Docker Logs container_id 2>1 | grep ' User: ' | Tail-n1****************************************************************************************Ten, some parametersAfter you install Docker, you can set some of the Docker's operating parameters before you startSet the r
/89/ED/wKiom1ghlBzznoSiAACf83JFiQU397.jpg-wh_500x0-wm_3 -wmp_4-s_2977389735.jpg "title=" qq20161108165829.jpg "alt=" Wkiom1ghlbzznosiaacf83jfiqu397.jpg-wh_50 "/>Reference http://docs.openstack.org/mitaka/zh_CN/install-guide-rdo/nova.html,The following subsections will organize the OpenStack Network Service deployment, and moreThis article is from the "Zhong blog" blog, make sure to keep this source http://capfzgs.blog.51cto.com/7729146/1870933Openstack-mitaka Compute Service
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.