vue property binding and interaction

vue directive binding properties vue binds attributes by directive v-bind, src/width/height/title, such as v-bind:src='''can be abbreviated as: src=''', the same v-Bind:widthWait a moment, abbreviated as width,:height <script src="https://unpkg.com/vue/dist/vue.js"></script> <body> <div id="box"> <img v-bind:sr ...

Posted by ariliquin on Mon, 20 Jul 2020 18:09:56 +0200

Gets the longest or shortest length of an element in a string array

There is a string array below: string[] elements = {"adsf","etwert" ,"asdfasd","gs"}; The requirement is to get the longest or shortest length of the element.You can create an object in your program that has two attribute element values and element lengths:   class Class6 { private string _ElementValue; pub ...

Posted by quickstopman on Thu, 16 Jul 2020 16:32:25 +0200

Gets the longest or shortest length of an element in a string array

There is a string array below: string[] elements = {"adsf","etwert" ,"asdfasd","gs"}; The requirement is to get the longest or shortest length of the element.You can create an object in your program that has two attribute element values and element lengths:   class Class6 { private string _ElementValue; pub ...

Posted by coily on Thu, 16 Jul 2020 16:32:34 +0200

Angular template reference variable (#var)

1. Template Reference Variables Template reference variables use the pound sign (#) to declare reference variables. Template reference variables are often used to reference a DOM element in a template, which can reference Angular components or directives or Web Component s. We can use a template to reference variables anywhere in the current ...

Posted by q1234ask on Mon, 13 Jul 2020 16:35:15 +0200

Three ways of querying hibernate

There are three main query modes common to hibernate: HQL, QBC (named query), and using native SQL query (SqlQuery) HQL Query * HQL (Hibernate Query Language) provides a rich and flexible way of querying, and using HQL for querying is also Hibernate's official recommended way of querying. * HQL is very similar in syntax structure to ...

Posted by DavidT on Fri, 10 Jul 2020 17:19:12 +0200

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (4)

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (4) The source of ldata is not given in this chapter and is availableMacrodata.csvTurn out available data. import pandas as pd import numpy as np import datetime ###Time processing later from pandas import Series,DataFrame ###Read inMacrodata.csvfil ...

Posted by quicknik on Tue, 07 Jul 2020 17:44:07 +0200

Java Exercise--Generics (12)

1. Write a Book class that has at least two properties, name and price.This class implements the Comparable interface by specifying that the size relationship between two Book class instances is the size relationship of the price attribute of the two Book class instances in the compareTo() method of the interface.In the main function, select t ...

Posted by arjay_comsci on Mon, 06 Jul 2020 16:49:39 +0200

From 0 to 1, hand in hand to teach you how to get to etcd

By kaliarch Link: https://juejin.im/post/5e02fb... Background: Recently, there are some puzzles about the function of etcd in k8s application. If we study it alone, we can better understand some characteristics of k8s. 1, Overview 1.1 introduction to etcd Etcd is an open source project launched by CoreOS team in June 2013. Its goal is to bu ...

Posted by alco19357 on Mon, 29 Jun 2020 12:25:04 +0200

Let yourself get used to C in effective c + +++

Let yourself get used to C in effective c + +++ Label: effective C++ Item 1: treat C + + as a language Federation C Object-Oriented C++ Template C++ STL C + + can be seen as a combination of four secondary languages. When you switch from a secondary language, efficient programming rules will requ ...

Posted by lisa3711 on Mon, 29 Jun 2020 06:58:29 +0200

Datawhale team - Pandas timing data (punch)

Pandas can handle time series in any field. Using Numpy's datetime64 and timedelta64 types, pandas integrates many functions from other Python libraries, such as Scikits.TimeSeries , and create a lot of new functions for processing time series data. 1, Timing creation 1. Four types of time variable ...

Posted by tripleaaa on Mon, 29 Jun 2020 06:01:26 +0200