Programmer Think

Back to the InternetBefore this chapter, the only asynchronous code in the book involved Web access using the only reasonable class in the portable class library WebRequest that could be used for this purpose. The WebRequest class uses an old asynchronous protocol called an asynchronous programming model or APM. APM involves two methods, called ...

Building Linux Root File System 1. Basic knowledge 1.1. Basic concepts In computing, a file system or file system controls how data is stored and retrieved. Without a file system, information placed in a storage medium would be a large body of data with no way to tell where one piece of information stops PS and the next be ...

The younger brother should change the menu of the public number according to the operation requirement. He thought it was configurable on the public number official website. Who knows that it was edited by the developer mode? Helplessly, I have never contacted the public number development. Some began to gnaw away at the api developed by Weixin ...

Preface It has been a long time for us to study in depth. We have learned a lot of models and theoretical knowledge. Recently, I want to learn Keras. I also read a few keras codes themselves. It feels simple and clear. So I want to learn about keras. Personal thoughts. While studying, I want to take notes. First, it's convenie ...

TS introduces the concept of Class as a template for objects. Classes can be defined by the class keyword. Basically, TS's class can be regarded as a grammatical sugar, and most of its functions can be achieved by ES5. The new class writing just makes the object prototype writing more clear and more like the grammar of object-oriented program ...

function Definition of function <script> /* Define a function function Function name () { code block } Requirement 1: Write a function to add 1 to 100 */ function sum(){ var num = 0; for(i=1;i<=100;i++){ num += i; } console.log(num); } /* Call ...

Initial users of CMake or those who don't know much about it may often be stumbled by such issues as path inclusion, library search paths, link paths, RPath, which are easy tasks when performing gcc manually or writing makefile s. In fact, I had a lot of doubts, but after a long time of practice and reading manual, I finally got a relatively c ...

Python 3 Learning Notes (2) List Reference book "Python Programming: From Introduction to Practice" [Beauty] Eric Matthes Store the names of some friends in a list and name them names. Access each element in the list in turn to print out each friend's name. names = ['Cannon', 'Leg', 'God'] #Positive index ...

Preface Android Design Patterns Series: Welcome your attention and keep updating: 1. definition Separating the construction of a complex object from its representation enables the same construction process to create different representations. 2. introduction The builder model belongs to the creation model. Builder mode is mainly used t ...

Promise is a solution to asynchronous programming. Syntactically, Promise is an object from which messages for asynchronous operations can be obtained. Basic usage of Promise The Promise constructor accepts a function as a parameter, and the two parameters of the function are resolve and reject, respectively. They are two functions, provided by ...