fullstack react

Print(c.__next__())#Beijing7 Print(c.__next__())#days8 Print(c.__next__())#Ann9 Print(c.__next__())# ?Ten Print(c.__next__())#stopiteration Error After completion of iteration2. GeneratorThe essence of the generator is the iterator, which in Python has three ways of getting the generator:1. Through the generator function2, through a variety of derivation to implement the generator3, through the conversion of data can also get the generatorWe try to use the generator function to complete the cre

results of function execution, can be in order.1 deffun1 ():2 Print(111)3 deffun2 ():4 Print(222)5 fun1 ()6 fun2 ()7 Print(333)8 9 deffun2 ():Ten Print(222) One deffun3 (): A Print(666) - Print(444) - fun3 () the Print(888) - Print(33) - fun2 () - Print(555) + - deffunc (): + Print("ha ha haha") AA = Func#The function can be assigned a value. The equivalent of. A and Func are the same thing. at func () -A ()Iv. Global and nonlocalGlobal: Looking for content

Park so long time, also should write something, recently in using node to write things, oneself is not very familiar with, how to set up the environment simply say, for reference only.I was developed under the Win7 environment.1. Install node,https://nodejs.org/download and automatically install NPM after download.2. Install the mongo,http://www.mongodb.org/downloads and configure it to boot from the service, see other blog posts.3. Install git, http://www.git-scm.com/download, configure environ

not necessarily universal in other places.In order to solve the same coding standards across countries, the extension of Unicode, referred to as the universal code, the purpose is to encode all the languages of all countries, accounting for 32 bits. But its disadvantage is waste. The contents of the ASCII code can not be changed, the encoding should also be the original encoding, but Unicode occupies 32 locations, ASCII will force in front of 24 0. Space is wasted on network transmissions and d

clay figurine to blow the tone will become a person! ")#create_people ()defWater (FN):definner ():Print("watering first .") fn ()Print("Fertilization") returnInner#func = water (create_people)#func ()Create_people = Water (create_people)#function names, like variable names, can be assigned to other variablesCreate_people ()Version with a syntactic sugar@waterdefcreate_people ():Print("Nu wa is very powerful, pinch a clay figurine to blow the tone will become a person! ")#create_people ()defW

play basketball") - return "ok!","Let ' s go" -RET =Play () + Print(ret)#print (' ok! ', ' let's Go ') - + #write multiple return values to deconstruct the situation A defPlay (): at Print("I want to play basketball") - return "ok!","Let ' s go" -Ret1,ret2 =Play () - Print(RET1)#ok! - Print(Ret2)#Let ' s goParameters:When the function accesses, some information is passed to the function, and the parameters are written in parentheses.1. Formal parameter: The declaration of the varia

Stepped on a pit and a hole, used to be their own manually created react development environment, to install Webpack, Babel, React, react-dom components, but also need to modify, add a variety of configuration files.When the new worry about the environment, suddenly found react-scripts. To build a project try:First ste

Create-react-app is from Facebook, which allows us to quickly build a react development environment without configuration.Create-react-app automatically created projects are based on Webpack + ES6The following commands are executed:NPM Install create-react-app-g // Global Installation Create-

Detailed explanation of React Exception Handling and react Exception Handling in React 16 Exception Handling in React 16 Exception Handling In React 15.x and earlier versions, exceptions in the component may affect the internal status of

The so-called beginning of everything is difficult, the purpose of this article is to explore react students, the establishment of the first basic react application.The Create React app is one of the official Facebook scaffolding tools to quickly build a new React single page app that can help you configure your develo

1, Create-react-app is what.To be a react project, it is difficult for beginners to build their development environment. So, Facebook specifically made the Create-react-app command for building React project development environment. The Create-react-app is created based on

Only the students who are concerned with the problem in parentheses can jump directly to the Blue Word section. (the title is a bit big, in fact only one question is discussed)two events bound on the React component, after a conflict, prevent event collisions with e.stoppropagation (), which preventsbubbling, without problems. Today is a hole in the react event, the need can be simplified as follows: Cli

React Native mobile development practices-2-how to debug the React Native project-2-react In actual development, there is also an important factor that affects development efficiency: debugging. The use of Enable Live Debugger is introduced in Section 1.4.3. This section describes another important debugging option: Debug JSRemotely. (1) Shake the device or use t

Elements, components, instances and nodes in React and react The React in-depth series provides an in-depth explanation of key concepts, features, and patterns in React, aiming to help you understand React and use React more flexi

@author ASCE1885 's Github Weibo CSDNThis article starts with the InfoQ mobile technology public number: mobile development frontdue to potential commercial purposes, the full text reprint license is not open without permission, thank you! React Native for more than a year, many companies have online products or small range of test water, or a wide range of applications, many companies or developers in the R