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Week 5 function and code reuse 5.1 definition and use of functions Use the reserved word def to define the function and lambda to define the anonymous function Optional parameters (initial value), variable parameters (* b), name transfer The reserved word return can return any number of results The reserved word global declaration uses gl ...

1. Source code preparation This article is based on the analysis of the source code of gcc-4.9.0. std::function is added to the standard only after C++11. Therefore, the lower version of GCC source code does not have std::function. It is recommended to choose 4.9.0 or later version to learn. The difference between different versions of ...

Some basic knowledge of functions 1. Format of function definition: Return value type function name (parameter list) { Code Body return x;(x is of type return value) } For example: int add(int a,int b) (void Do not use this type return) { int sum=a+b; return sum; } Function classification: library function; Functions that come with the sy ...

RxJava3. Getting started with X (2) -- create operators and transform operators Create Operator 1, Foundation creation 1.create() Use the Create operator to Create a complete Observable, which can pass onNext, onError, onCompleted and other events. Demo code: Observable.create((ObservableOnSubscribe<Integer>) e -> { ...

RxJava3.x Getting Started Guide (IV) -- filter operator 1, Filter events based on specified event criteria 1.filter() Function: filter the events sent by the observer through certain logic. If true is returned, the event will be sent, otherwise it will not be sent Demo code: Observable .just(1,2,3,4,5) ...

Hello, everyone, this is Yi Jun @ Monday commuter radio channel. This channel will start from a knowledge point, so that your commute will not be boring or tired. This article is about 1250 words in total, and the reading time is about the same as Tao Zhen's beach. 1. Definitions Functional programming means creating the best results of ...

catalogue preface Avoid using js dross and chicken ribs Write concise JavaScript code Use the new features of ES6/ES7 Babel ESLint Prettier Using functional programming Several principle examples of elegant JS code     Introduction to functional programming Abstract ability summary preface Almost every larger c ...