Flutter hybrid development: a detailed guide to integrating flutter modules in iOS projects

This article starts with WeChat public's "Android development tour". Welcome to pay more attention to get more dry goods. Preface The previous article explained how Android native project integrates with Flutter project, Flutter hybrid development (I): detailed guide to integrating flutter module in Android project , this article will ...

Posted on Tue, 12 Nov 2019 08:10:26 -0500 by ToddAtWSU

PHP core features - anonymous functions

propose All functions need to be named before anonymous functions can be used 1 function increment($value) 2 { 3 return $value + 1; 4 } 5 6 array_map('increment', [1, 2, 3]);   Sometimes functions only need to be used once. In this case, using anonymous functions will make the code more concise and intuitive, and avoid the use of funct ...

Posted on Tue, 12 Nov 2019 07:41:37 -0500 by mark s

Source code analysis: scanning and building Mapper object initialized by Mybatis MapperProxy

Warm tip: This article is based on Mybatis.3.x version. MapperScannerConfigurer, Spring integrates the core class of Mybatis. Its function is to scan the Dao class in the project and create it as the mapper object of Mybatis, namely MapperProxy object. First of all, before entering the source code learning, let's take a look at the configurat ...

Posted on Tue, 12 Nov 2019 06:59:14 -0500 by subasi

Pure js - General carousel, card carousel, stacked carousel

Record the process of making the plug-in of the carousel Design sketch General carousel chart Card carousel Stacked carousel General carousel chart Functions: *Can control whether to rotate automatically *Left and right arrows switch from previous to next, throttling treatment *Put the mouse on the arrow, the picture stops rotating automa ...

Posted on Tue, 12 Nov 2019 06:17:57 -0500 by justinjkiss

python foundation - closure functions and decorators

Closure function and decorator Closure function Concept: when another function is defined (nested) in a function, the inner function references the name of the outer function. Characteristic Closure function must be defined inside function Closure function can refer to the name of outer function Closure function is a combination of fun ...

Posted on Tue, 12 Nov 2019 04:42:22 -0500 by CircularStopSign

LeetCode 350: Intersection of Two Arrays II

Title: Given two arrays, write a function to calculate their intersection. Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], nums2 = [2,2] Output: [2,2] Example 2: Input: nums1 = [4,9,5], nums2 = [9,4,9,8,4] Output: [4,9] Explain: The number of occurrences of each element in the output resul ...

Posted on Tue, 12 Nov 2019 04:05:58 -0500 by Bullet

JavaScript map, reduce, filter and other higher-order functions

Higher order function Higher order functions are functions that operate on other functions, either as parameters or by returning them. In short, a higher-order function is a function that receives functions as parameters or returns functions as outputs. For example, Array.prototype.map, Array.prototype.filter and Array.prototype.reduce are high ...

Posted on Tue, 12 Nov 2019 03:56:05 -0500 by flash99

The principle and function of Javascript closure

The principle and function of closure 1. The concept of closure: refers to a function that has access to variables in the scope of another function. In general, it includes another function in one function. 2. Function of closures: access internal variables of functions and keep functions in the environment, which will not be processed by garba ...

Posted on Tue, 12 Nov 2019 03:48:22 -0500 by nasser

Prototype rules and design patterns in JavaScript

Prototype rule Prototype rule All reference types (array, object, function) have the characteristics of object, that is, free extension of attributes; All reference types have a proto attribute (implicit prototype), and the attribute value is a common object; All functions have a prototype, and the attribute value is a common prototype; ...

Posted on Tue, 12 Nov 2019 03:46:09 -0500 by eekeek

Vue + Koa build a H5 page visualization editor from scratch -- Quark-h5

Preface I think you must have used micro scene generation tools such as e-business show or Baidu H5 to make cool H5 pages. Besides lamenting its magic, have you ever thought about its implementation? In this paper, we start from scratch to implement a complete design idea and main implementation steps of H5 editor project, and open source the f ...

Posted on Tue, 12 Nov 2019 03:19:18 -0500 by YoussefSiblini