Programmer Group

What is SMB SMB, namely "Server Message Block" server information block, is a network file sharing protocol. It can be used for Web connection and information communication between client and server, allowing applications and end users to access file resources from remote file servers. SMB communication protocol is an agreement form ...

1 from static agent to dynamic agent For example, some people will be urged to marry by their parents when they reach the marriageable age. Now, under various pressures, many people choose to marry and have children later. So anxious parents began to date their children everywhere, more anxious than their children themselves. Let's look at the ...

Enumeration usage problems ​ In web development, enumeration is usually used as status code, code table value, etc., so we often use it in the three-tier architecture. We pass values through the front end, traverse enumeration items, and compare them manually one by one. Manual comparison is still cumbersome. Here is the method of automatic f ...

introduction Children's shoes familiar with concurrency know that concurrent programming has three characteristics: visibility, orderliness and atomicity. Today, we analyze visibility from a demo and how to ensure visibility. JMM model Before we analyze visibility, we need to understand the concept of JMM model, which is often referred to as ...

Foreword: the knowledge to share today is the Spring framework The code word is not easy. Give me a praise Reprint, please explain! Development tool: eclipse catalogue Spring framework overview ① What is the Spring framework ② Advantages of Spring framework ③ Spring architecture   Ioc (control reversal) and cases Three Spring pa ...

Introduction to image search platform The image search platform supports two types of image search: General image search: 512 dimensional features are extracted using the pre trained model on the ImageNet dataset: resnet50Portrait high-precision search: before face feature extraction (512 dimensional feature extraction using face feature mode ...

A conversion flow 1.1 classification Input stream Output stream InputStreamReader OutputStreamWriter 1.2 features   Conversion stream refers to the conversion of bytes to character stream, mainly including InputStreamReader and OutputStreamWriter         one    InputStreamReader is mainly used to co ...

1.1 basic concept of Servlet 1.1.1 what is a Servlet It is essentially a Java class that runs in Tomcat and is called by Tomcat. Function: generate a web page and output it to the browser. 1.1.2 differences between servlet and Java program A Servlet is essentially a Java class All servlets must implement the javax.servlet.Servlet interface It ...

background quartz can be used to manage and schedule scheduled tasks. There are cluster mode and stand-alone mode. quartz's stand-alone mode is deployed. All task execution information is saved in memory. There is a single point of failure. quartz's cluster mode has the characteristics of high availability and automatic load balancing, whi ...

catalogue 1. General 2. Other usage of hystrix service degradation 3. Hytrix realizes fusing 4. Overview 5. official account 1. General As the old saying goes: only by controlling your emotions can you control your life. Impulse is the devil, calm is the most important. To get back to business, I talked about how to add a degradation ...