Programmer Group

Recently, I changed a new project team. Because the new team is relatively young and does not implement formal project management, I volunteered to contribute to team management and help the team establish agile project management. After many studies and comparisons, I chose the popular open source project management software: Zen. This is a do ...

Recently, we need to use the drag bar in the project, and the drag bar can only be between certain values, so we found some data. SeekBar SeekBar enables discrete value selection by setting the Widget.AppCompat.SeekBar.Discrete theme. <androidx.appcompat.widget.AppCompatSeekBar android:id="@+id/seekBar" style="@style/Widge ...

Next, I will write a Dockerfile of Tomcat to build a Docker image, start a Tomcat container based on the image, and finally try to deploy a test project in the middle of the container Idea: Based on centos image, configure a jdk environment and tomcat environment, and configure environment variables 1. Download JDK and tomcat Downlo ...

​ Hive installation deployment 1, Single node installation Apache hive 1. Environmental dependence CentOS7, JDK8, start Apache Hadoop, start Mysql5.7 (MySql configures remote connection permissions) 2. Software download Download Apache hive version 2.3.6 Download addresses of various versions of Apache Hive http://archive.apache.org/dist ...

1, What is Apache Apache HTTP server, referred to as Apache, is the most widely used web server software. It can be used in almost all widely used computer platforms. It is simple, fast, stable performance, and can be used as a proxy server. Its support for linux is perfect. Apache is a process based architecture. Processes consume more ...

brief introduction As the name suggests, object pool is the pool where objects are stored. Like thread pool, database connection pool and http connection pool, it is a typical pool design idea. The advantage of object pool is that it can centrally manage the objects in the pool and reduce the frequent creation and destruction of long-term obj ...

1.1 INTRODUCTION 1. Dynamic website: real-time data update dynamic (foreground, background) database php machine language 1.2 interaction between PHP and web pages Process: the user submits the request, the server receives the request, processes the request, obtains the data, and returns the data 1.web form operation process <form acti ...

catalogue 1, LAMP introduction and overview 1. LAMP platform overview 2. Build LAMP platform sequence 3. Advantages of compilation and installation 4. Main functions of each component 2, Install Apache (version after httpd 2.4) 1. Close the firewall, subsystem and timing 2. Install and unzip the package last time, and move the accessori ...

catalogue 1, Squid proxy server 1. Function of squid proxy server 2. Working mechanism of the agency 3. Type of agent 4. Benefits of using agents 2, Squid agent installation 3, Build traditional agent Environmental preparation Configuring: squid server   Configure web1 server   Configure win7 4, Build transparent proxy Sq ...

After some time of research, freemarker really works better than jsp, and freemarker strictly divides the mvc pattern.Show on the page as a template filler.The following describes the use and configuration of freemarker that I experienced. Configuration tags are good for maintaining and expanding the project. Create a freemarker configuratio ...