Programmer Think

The HttpContext object that manages the HTTP request context has a property called RequestAborted. According to its name, it can be used to indicate whether the client request has been cancelled. Sure enough, its type is CancellationToken. This guy is a structure type. Why emphasize structure - because it is a value type. In the whole context t ...

1. Foreword There is a scenario where we need to read the attribute value from the configuration file and inject it into the java class. Should this class be new only once in the whole system! Think about what design patterns can be realized!! What is singleton mode Singleton mode: its essence is to control the number of instances. Mandarin ...

1. Preface This function is completely based on Java language and its related computing toolkit, and has been applied to practice. As we all know, when we need to analyze the signal, we basically use the Fourier change function, but based on the Java platform, there is a lack of relevant Fourier function, or although there are packages in some ...

Grabit yes Salmon data kinship analyzer It collects SQL scripts from various data sources and then uploads them to salmon for data kinship analysis. The analysis results can be viewed in salmon. At the same time, the data kinship results will be extracted into the local directory. At present, grab supports two modes of operation: graphical int ...

https://www.jianshu.com/p/a2bd89e0d24b If you want to do well, you must sharpen your tools first. Let's install relevant tools first jmeter I demonstrated it on mac, so I'll install brew first ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 2> /dev/null Using brew to install jmeter brew instal ...

After reading the great God's paper, I ran by myself. I feel very interesting. I want to read the great God's code carefully. Anyway, it's better to treat it as a series of self entertainment~ MichaelFYang/far_planner: Fast, Attemptable Route Planner for Navigation in Known and Unknown Environments (github.com) graph_decoder series (1) First, ...

Tip: This is just a note 1, Introduction of linked list 1.1 first, let's talk about the defects of arrays: array elements must be consistent; Once the number of array elements is specified, it cannot be changed. The 1.2 structure solves the first defect of the array, and the linked list solves the second defect of the array. 1.3 alway ...

What is responsive? catalogue Function encapsulation Class encapsulation Listening object change let m = 3 console.log(m); console.log(m +'1aaaaaa'); console.log('hello'); When the value of m changes, I hope the following three lines of code will be executed again automatically. // obj const obj = { name:'Sherry', age:18 } cons ...

ES6 introduces modularity, which is divided into two modules: export @ and import. ES6 modular features: (1) The module of ES6 automatically turns on the strict mode, whether you add use strict; to the module header or not;. (2) The module can import and export various types of variables, such as functions, objects, strings, numbers, Boolean va ...

1, Project introduction. I had the idea of making a smart car for a long time, but I haven't taken any action due to limited time and lack of money. Thanks to the trust of Tencent TencentOS Tiny team, I have given such an opportunity. Although it is far from the function of my own imagination, it has at least taken an important step, More ...