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Clause 18: Make the interface easy for proper use, not easy to misuse (made interface ease to using correctly and hard to uses incorrectly)

Note:1. Good interfaces are easy to use and are not easily misused. All interfaces should be made to strive to achieve these properties.2. The "promote proper use" approach includes interface consistency, as well as the built-in type of behavior compatibility.3. The "block misuse" approach includes the creation of actions on new type/restriction types, the binding of object values, and the elimination of customer resource management responsibilities.T

Regular Expressions (easy to understand) and regular expressions are easy to understand

Regular Expressions (easy to understand) and regular expressions are easy to understand What is a regular expression: In short, regular expressions are a powerful tool for pattern matching and replacement. Trace Regular Expressions in almost all UNIX/LINUX-based software tools, such as Perl or PHP scripting languages. In addition, the script language of the JavaScript client also provides support for regula

Summary of some small PHP knowledge that is easy to use but easy to ignore.

Summary of some small PHP knowledge that is easy to use but easy to ignore. This article mainly summarizes some useful tips in PHP and shares them for your reference and study. Let's take a look at the details below: 1. PHP Functions When we create a custom function and understand the usage of the variable function, to ensure that the function called by the program exists, function_exists is often used to d

0 Basic Easy Language Introductory Tutorials (iv) data types _ Easy language

Together we understand the easy language data type, and our real life is the same, divided into text and numerical type, that is what we call liberal arts students and science students of the difference. Reference article: detailed data types in easy language The methods and steps are as follows: 1, numeric (to numerical command): Use this command to change a class of data such as text to a numeric valu

Asp.net mvc5 is easy to implement plug-in development and mvc5 is easy to implement

Asp.net mvc5 is easy to implement plug-in development and mvc5 is easy to implement When studying the Nopcommece project code, we found that Nop. Admin was developed as an independent project, but it was integrated during deployment. Here, we extract this part separately, Key points: Here, an AdminAreaRegistration is created to register WebAdmin-related routes. The advantage is that each plug-in is resp

[Easy moment] practical project development (3) Sharing text content to WeChat, easy moment Project Development

[Easy moment] practical project development (3) Sharing text and content, easy moment Project Development First, you must create an application on the open platform and wait for approval. Note the package name. Do not enter an error in the signature. The created application may not be online yet, The Application name cannot contain two characters. Otherwise, the application name will be rejected. Generally

We recommend an image processing software called Turbo photo, which is easy and easy to process!

We recommend an image processing software called Turbo photo. You can process images with ease. And very easy Zhou yougang's friends process pictures I feel it is too troublesome to use photo or firework. Is there any simple method on the Internet? Sure enough, lazy. I found another good image processing software, Turbo photo. Our commonly used non-mainstream image processing software, such as Google's Picasa ACDSee and other softwar

Simple and Easy-to-use Div pop-up layer, simple and easy-to-use Div pop-up layer

Simple and Easy-to-use Div pop-up layer, simple and easy-to-use Div pop-up layer------ Fill in content ----- Part -------- can be a formIntermediate part

Pop easy-jquery plug-in for easy implementation of modal window

Popeasy is a lightweightJqueryPlug-ins help developers easily create elegant modal windows. Popeasy works normally in mainstream browsers and is compatible with IE 7.What you may be interested in Article Metronic-Bootstrap-based responsive background management template HTML Inspector-helps you write high-quality HTML code A required random JSON data generation tool for Web developers Selectize-Selection Control for the label and drop-down list Functions Pure-like! A lightweight and

A very easy-to-use case of text scrolling, the mouse can be suspended, very easy to use text scrolling

A very easy-to-use case of text scrolling, the mouse can be suspended, very easy to use text scrolling I have found a lot on the Internet, and the core of the writing is the same. Here I will give you a summary and I can add it to my favorites. Html: Resolution: This method is applicable to the announcement categories that only show one row, as well as the large boxes that show the winning list/lottery re

Android Anti-compilation (easy to operate, easy to use)

files.Select All to decompile all the files and start the decompile. Once the anti-compilation succeeds, the interface will return to its original state. In this case, a folder with the same name as the APK and a jar file with the same name will be generated in your directory.This is the time to run Jd-gui.exe,Then click on the file to find the anti-compilation jar file from the directory,As you can see, the original code is mixed, so many classes are replaced with ABCD, but for people with a c

Beginner easy to get started with SSH-struts2 03 Data encapsulation, easy to get started with ssh-struts2

Beginner easy to get started with SSH-struts2 03 Data encapsulation, easy to get started with ssh-struts2 In this chapter, we can obtain data to see what is different from the previous chapter. There are also three data encapsulation methods. Next we will introduce them one by one. First: attribute encapsulation. Class. There are two attributes: name and pwd. Enter getter and setter for these two attribu

MEF is easy to get started with, but it strives to be easy to understand (2 ).

MEF is easy to get started with, but it strives to be easy to understand (2 ). In the previous article, we have learned basic MEF concepts and usage methods. However, we export an object-type instance, which can only be used for tostring. It does not reference the part class library or use the member methods in it. In this article, we gradually move closer to the goal of a simple File Manager. Create a clas

Recruit easy to learn, veterans easy to use----C + + (C++11 's learning and finishing---how to reduce the amount of code, enhance the readability of the code)

1.auto Type deductionThe biggest advantage of auto derivation is that it simplifies code when you have a complex type variable declaration with an initialization expression.Auto's second advantage is to eliminate the programmer's trouble with some type declarations, or to avoid some errors in type declarations.The third advantage of auto is that its "adaptive" performance can support generics programming to some extent.Four terms of use for auto:1) Function: cannot be a formal parameter2) struct

JS Constructor (easy to understand, easy)

executes all of the code it contains8 * 5. Private methods and private properties are not exposed, even if the instantiated object of the constructor is created, it is still inaccessible and can only be accessed inside the constructor9 *Ten * */ One A functionMyObject (msg) { - //Create a public property - This. mymsg =msg; the This. Address = ' Shanghai '; - -Console.log (' Inside constructor '); - + //Create public methods - This. Sayage =function () { +Console.log

Light OJ 1031 --- Easy Game (interval DP), oj1031 --- easy

Light OJ 1031 --- Easy Game (interval DP), oj1031 --- easy Question Link Http://lightoj.com/volume_showproblem.php? Problem = 1031. Description You are playing a two player game. Initially there areNInteger numbers in an array and playerAAndBGet chance to take them alternatively. each player can take one or more numbers from the left or right end of the array but cannot take from both ends at a time. he ca

Java web regularly executes tasks every day (four steps are easy to handle) and four steps are easy to handle

Java web regularly executes tasks every day (four steps are easy to handle) and four steps are easy to handle Step 1: Package com. eh. util; import java. util. calendar; import java. util. date; import java. util. timer;/*** java scheduled task, daily scheduled task execution * @ author wls **/public class TimerManager {// time interval private static final long PERIOD_DAY = 24*60*60*1000; public TimerManag

Android 6.0 listening SMS (with git really good, easy and easy to enjoy)

); Mmessagelistener.onreceived (Phonemessage); Abortbroadcast (); } } }//Callback interface Public interface messagelistener { voidOnreceived (Phonemessage phonemessage); } Public void Setonreceivedmessagelistener(MessageListener MessageListener) { This. Mmessagelistener = MessageListener; }}Broadcast and the main activity is through the interface to communicate with each other, and do not use a message or something, feel that the interface is rela

Easy and easy 6-step app development with Apicloud

Today, who does not know the app is definitely out, who do not use the app simply can't live the day! But when it comes to app production, not programming, people who do not know the technology will face a circle. In layman's terms, app authoring is a very difficult thing to do, but Apicloud says it's 6 easy steps to complete app creation and development. If you don't believe us, we'll have a look.First step: Choose App Development ModeApicloud platfo

JavaScript making graphics JavaScript making images infinite lazy loading, easy and practical piece of infinite lazy loading, easy and practical

Knowledge points: For Loop statement, Dom concept, element acquisition, dynamic layout, basic algorithm, node operation, the relationship and difference between JQ and JS, the importance of JS, how to learn JS.HTML code: CSS code: JavaScript code: If there are front-end programmers interested in front end, you can join our web front-end technology Learning Group Oh 611,256580. 0 Basic tutorials that will send the front end Oh! JavaScript making graphics JavaScript

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