Programmer Think

brief introduction NetCat, known as "Swiss Army Knife" in network tools, is short and practical (1.84 version is no more than 25k, old version or reduced version or even smaller), and is designed as a simple and reliable network tool, which can transmit read and write data through TCP or UDP ...

OKHttp quick start OKHttp quick start Synchronization request get Asynchronous request get post Set request header Download File encapsulation Interceptor Application interceptor Network connector OKHttp quick start Official website: https://square.github.io/okhttp/ Code warehouse: https:/ ...

What is cluster A group of computers interconnected by a high-speed network and managed in a single system mode. Many servers are put together to provide the same service, which looks like only one server in the client. It can obtain relatively high benefits in performance, reliability and flexibilit ...

1, What is the sharing mode When it comes to sharing element mode, the first thing I think about is pool technology. String constant pool, database connection pool, buffer pool and so on are all applications of sharing element mode, so sharing element mode is an important way to realize pool technology. ...

Preface Last mentioned to improve our RPC framework, this week take the time to explore the native NIO non-blocking network programming ideas that JDK provides to us.NIO libraries were introduced in JDK 1.4.NIO makes up for the deficiency of the original I/O by providing high-speed, block-oriented I/O in standard Java code. Main differences ...

catalog Write at the beginning text 1, Interface layout 2, Function realization 1. Display online map and positioning 2. Acquisition and display of base station information 3. Acquisition and analysis of geographic information 4. Display grid offline map (. tpk) 5. Display vector offline map ...

Catalogue 1. Textbook [P281-P287] 2. SQL statement [create data table (6 tables), insert data] 2.1. Chinese field representation 2.2. English field representation 3. New view 3.1, 6 table general view 3.2. Total credits (student number, credits) 3.3. Total credit statement 4. Query exercise 1. Textbook [P281-P287] ...

In the last search function, some fans mentioned whether it can be set as optional search criteria. Naturally, the answer is yes, so I added a drop-down option based on the previous week Effect display Here I implement the function of drop-down item based on the two ways of select tag and a tag. ...

Before using mobile phone login do not verify code, now login always verify code, boring people to death! So why do you have annoying verification codes every time you log in? In fact, this involves the complete network problem! 1, Application scenario Many partners should know: Prevent hackers from calling the attack system through ...

TLS authentication and Token authentication @author: DavieCopyright: Beijing Qianfeng Internet Technology Co., Ltd In the last lesson, we learned four flow patterns of gRPC go framework. In the actual production environment, a full-featured service includes not only the basic function of method cal ...