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10_ file Text files: Based on character encoding, such as ASCII, UNICODE Binary file open FILE *fopen(filename, mode); // The system itself defines a structure called FILE // Mode indicates the mode of opening the file /* mode The value of r rb Open as read-only w wb Open as write a ab Open as append, add content at the ...

The implementation of Reactor model can be divided into the following three types: Single thread model Single Reactor multithreading model Master slave Reactor multithreading model. Single thread model The Reactor single thread model refers to that all IO operations are completed on the same thread. The responsibilities of the thread are as f ...

Introduction to Windows Service Application Microsoft Windows Services (formerly known as NT Services) allow users to create executable applications that can run for a long time in their own Windows sessions.These services start automatically when the computer starts, can be paused and restarted, an ...

intset structure typedef struct intset { uint32_t encoding; // Types of all elements in the current structure uint32_t length; // Number of elements in contents, that is, the number of elements in the set of integers int8_t contents[]; // Elements stored in a collection of integers } ...

  My Pandora Start with a story.In the past, there was a Java programmer who liked writing programs, studying source code, and reading English documents.But it works in a small company with an old technology stack.There are many xml configurations in a single system code, configuring the entry adapters for various middleware and similar configu ...

Author: Magic fudge Date: February 27, 2020 Introduction ************************************* The. ini file is an abbreviation of the Initialization File, which is the configuration file. yes windows System configuration file The storage format used. It is easy to use, and has similar functions with the key value of the registry. Various appli ...

Catalog   1, If the constructor can be called 1. Write a UserInfo class: 2. The spring XML file is configured as follows: 3. Write a Test class 2, Assign values to different types of parameters of the constructor 1. Custom object 1) Write UserInfo class 2) Configuration XML file 3) Write Te ...

1. General way to get request parameters: the following methods can be used to get request parameters in both get and post request modes 1. String getParameter(String name): get the parameter value according to the parameter name. Username = ZS & password = 123 2. String[] getParameterValues(St ...

1, Use details: When we develop an app, we sometimes need to compress and decompress the files. At this time, we must use a third-party open source library, ssziprarchive, to compress and decompress the target files.   DDLog is used to record logs. The logs of DDLog exist in different files by ...

In Android development, the jump between Activity pages can be divided into two types. There are different methods and methods in two of them. Next, we will introduce each method of page Jump in detail. Intent is a messaging object that can be used for other application request operations. Intent can pr ...