Programmer Think

background Tenda wireless router used in dormitory in university is always maintained by me. I think it's necessary for everyone to manage their own wireless router easily. So I set up the design and development of Tenda wireless router management software based on A ndroid platform, and made an A for Tenda wireless router. Ndroid App. As it ha ...

01 Thread Operation Sharing Data Security Issues * A: Thread Operation Sharing Data Security If there are multiple threads running at the same time, these threads may run the code at the same time. The result of each run of the program is the same as that of single thread, and the value of other variables is the same as expected, which is threa ...

The way to learn source code this time is to learn source code with problems. The list of problems is as follows. How does Broker receive messages? How to ensure data reliability under Broker exception? How does Broker guarantee high storage throughput? How should Broker message stacking be handled? How does Broker handle timing messages? What ...

1. What is a GC? Before analyzing memory leaks, you should first understand GC, which is commonly referred to in Java as Garbage Collection, referring to JVM automatically recycling memory data that is not referenced. 2. What is GC Roots? GC Roots is the set of objects currently living in the Java virtual machine, each of which can act as ...

1. Internal Classes: **(1) Methods with the same name for internal classes** Internal classes can call methods of external classes, if methods of internal classes have the same name must be called in the format "OuterClass.this.MethodName()" (where OuterClass and MethodName are replaced with the actual externa ...

1. View the version of ant plug-in in eclipse Enter the plugins folder in the eclipse installation directory to see the corresponding version of the ant plug-in (not only ant, but also other plug-in versions): 2. Demo-TestTomcat (using previous testTomcat projects) Create a new build. XML in the root directory (name can be changed, but usu ...

Article Directory CHAPTER IX OBJECT-ORIENTED CHARACTERISTICS 1. Encapsulation - Privatization of Member Variables 2. Inheritance 2.1 Background 2.2 Implementation Inheritance of 2.3 Members Extension of 2.4 Subclass 2.5 Rewrite Hide of 2.6 Member Variables 2.7 Inheritance of Constructors (1) Constructors in Inheritance (2) ...

Since tomcat is built into a project and can successfully start a project, you need to know what tomcat has done, so you need to understand first. How a common web project is started and run by our locally configured tomcat (1) Tell tomcat which projects to run first (that is, configuring tomcat before starting a project with eclipse, idea, or ...

A Brief Introduction to the Use of Ajax Asynchronous Technology Ajax introduction Introduction of Development Environment Technical Code Implementation Last but not least: Ajax introduction Ajax uses asynchronous data transmission (HTTP requests) between browsers and Web servers, which enables Web pages to request a ...

English Documentation: https://godoc.org/github.com/eclipse/paho.mqtt.golang github: https://github.com/eclipse/paho.mqtt.golang Constants const ( NET component = "[net] " PNG component = "[pinger] " CLI component = "[client] " DEC component = "[decode] " MES component = "[message] " STR componen ...