Arrangement of Several Ways of Object Creation in JS

Recently, I have been reading the book of JS Advanced Programming. I have time to sort out several ways to create objects. Don't say much, just get to the point. First: Object constructor creation var Person = new Object();Person.name = 'Nike';Person.age = 29; This line of code creates a new instance of the Object reference type and stores th ...

Posted on Mon, 08 Apr 2019 13:24:31 -0700 by smixcer

Expandable ListView + Dialog implements pop-up two-level drop-down list options. Free to use in Activity and Fragment

Today is the second day of my unemployment. I feel a little bored. It's quite sudden about this unemployment. But there's nothing to regret after thinking about it. After all, you can't find a job anywhere with technology. As a technician, the first thing to do is to continuously improve their own technical level to adapt to this rapidly ch ...

Posted on Mon, 08 Apr 2019 11:21:31 -0700 by MalikBB

Do you know how to write "hello world" in many programming languages? Not many will you be ashamed to be a programmer!

Almost every programmer's first program is "hello world", and Hello World was first created by Brian Kernighan. In 1978, Brian Kernighan wrote a programming book called C Programming Language, which was widely circulated among programmers. The Hello World program he first quoted in this book: main (){ extrn a,b,c; ...

Posted on Mon, 08 Apr 2019 01:06:31 -0700 by Castle

C++ traits Technology

Preface   Trats, also known as feature extraction technology, is simply to extract the return type corresponding to the "incoming object" so that the same interface can achieve the corresponding functions. Because STL's algorithms and containers are separated, they are linked through iterators. The implementation of the algorithm doe ...

Posted on Sun, 07 Apr 2019 12:54:30 -0700 by Alka-Seltxer

setTimeout's Wonderful Use 1 - Intermittent Calls Instead of setInterval

[The nonsense written in the front] Since the junior internship, there has been no blogging, although a lot of things have been learned, but if there is no summary and sharing, it is easy to forget what you have learned, and without sharing, you will not manually tap the code, so that the understanding of knowledge is not thorough enough. Now m ...

Posted on Sat, 06 Apr 2019 20:21:30 -0700 by jaco

Linux Practical Teaching Notes 17: Streamlining the Basis of shell

Section 17 Streamlining the Basis of shell Label (Space Separation): Linux Practical Teaching Notes 1, foreword. 1.1 Why Learn shell Programming Shell scripting language is an important tool for realizing Linux/UNIX system management and automated operation and maintenance. The bottom layer of Linux/UNIX system and the core of basic applicatio ...

Posted on Fri, 05 Apr 2019 19:33:30 -0700 by JD*

Principle and usage of iOS most complete Reactive Cocoa

Source code: Click Open Link 1. Introduction to ReactiveCocoa Reactive Cocoa (RAC) is a new framework applied to iOS and OS development by Github Open Source. Cocoa is the abbreviation of the whole framework of Apple, so many Apple frameworks like to end with Cocoa. 2.ReactiveCocoa effect In our iOS development process, when certa ...

Posted on Fri, 05 Apr 2019 12:51:30 -0700 by danago

Application of stack - matching test of parentheses

Problem description Assuming that expressions are allowed to contain two kinds of parentheses: parentheses and square brackets, whose nesting order is arbitrary, i.e. ([] ()) or [[] []]]]]] are in the correct format, [(] or [()] are in the illegal format, try writing an algorithm to verify whether the brackets are in the correct format. Solv ...

Posted on Wed, 03 Apr 2019 12:36:29 -0700 by walexman

The Thinking Logic of Computer Programs (68) - The Basic Cooperative Mechanism of Threads (2)

This section continues Upper segment This article explores how to use wait/notify to achieve more collaboration scenarios. Start at the same time At the same time, similar to an athlete's game, it starts at the same time after hearing the shooting of the game. Next, we simulate the process. Here, there is a main thread and N sub-threads, each s ...

Posted on Tue, 02 Apr 2019 11:21:29 -0700 by shaunmckinnon

[Introduction to Coursera Computing and C Language Foundation] Tenth Week Assignment (Part 2)

Programming Question #5: Detection of Abnormal Cells Source: POJ (Coursera Statement: Exercises completed on POJ will not be included in Coursera's final score. ) Note: Total time limit: 1000ms memory limit: 65536kB describe A CT image we took was stored in a two-dimensional array, assuming that each point in the array represented a cell. T ...

Posted on Mon, 01 Apr 2019 11:51:29 -0700 by jinky32