Programmer Think

Episode 9: Implementation from scratch (Pager Component) This episode locates: Pager is also an old friend. Remember when I first learned js, writing a pager required 300 lines of code. If I could get back through it, I would have to teach myself design patterns. As the status of mobile phones has been improved, most people spend more time onl ...

The expansion process of synchronized lock (lock upgrade process) in java Concurrent note 4In this paper, we discuss the expansion process of bias lock (batch bias, batch revocation), lightweight lock, heavyweight lock and lock (that is, the upgrading process of lock) through a large number of example codes and hotspot source code analysis. Let ...

A simple generator example: function* somewords() { yield "hello"; yield "world"; } for (var word of somewords()) { alert(word); } yield method is executed once for each call to the.next() method How to turn off the generator: Let's first learn about the characteristics of the generat ...

I. Experimental Purpose _Master assembly programming specifications, familiar with the programming environment. II. EXPERIMENTAL CONTENTS Write subroutines to convert lower-case letters into upper-case letters in strings (see Textbook Experiment 11). _2. Write No. 0 interrupt processing program to d ...

IV. Objects and Classes 4.1 Overview of Object-Oriented Programming Relationships among 4.1.4 Categories Classification: uses a, has a, inheritance (is a) rely on Methods of one class manipulate objects of another class The most common relationship, the most obvious relationship The design should follow the principle of minimizing dependency ...

Catalog [Analysis of C++11] std::function and std::bind std::function callable object wrapper std::function basic usage std::function/std::bind and some thoughts on abstract factory and factory method [Analysis of C++11] std::function and std::bind std::function callable object wrapper C+ ...

I. Introduction Examples 1. Configure dependencies in maven's pom file as follows: <!-- log4j support --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> 2. Create the lo ...

I. What is the Agency Model Definition of proxy pattern: The proxy pattern provides a proxy object for an object, and the proxy object controls the reference of the original object. Generally speaking, the agency model is a common intermediary in our life. Classification of Agent Patterns: Agent Patterns are divided into Static Agents and D ...

Chapter 15 Generics General classes and methods can only use specific types: either basic types or custom types. If you want to write code that can be applied to many types of code, this rigid restriction will impose great constraints on the code. In object-oriented programming languages, polymorphism is a generalization mechanism. Generics imp ...

Original Link: https://www.cnblogs.com/zhenghengbin/p/9683990.html Constant Folding in java Why did I write a blog post because I read an analysis of the final keyword yesterday.But there was a problem that was never solved, so I asked ...