18 Java 8 date processing practices, very useful

Java 8 introduces a new date time API. In the tutorial, we will learn how to use the new API through some simple examples. The way Java deals with date, calendar and time has always been criticized by the community. Setting java.util.Date as a variable type and the non thread safety of SimpleDateFor ...

Posted on Sun, 19 Jan 2020 09:07:25 -0500 by djjamiegee

Operator '= =' and object's equals() method

Operator '= =' and object's equals() method brief introduction The operator "= =" compares whether the two operands are equal. The two operands can be either basic type or reference type. For example > int a1=1,a2=3; > boolean b1=a1==a2;//The operand of "= =" is of basic ...

Posted on Sun, 19 Jan 2020 08:57:01 -0500 by megavolt

unipush implementation of ios and android push tutorial

Write before: 1.unipush supports many push templates. Friends who are interested in learning about it can Official website View: if you want to push ios, you can only use the passthrough template. If you want to push Android and ios, you need to make some changes in the passthrough template code o ...

Posted on Sun, 19 Jan 2020 07:44:34 -0500 by Skipjackrick

LeetCode-169-most elements

Title Description: Given an array of size n, find most of its elements. Most elements are those that appear in the array more than ⌊ n/2 ⌋. You can assume that an array is not empty and that there are always many elements in a given array. Example: Example 1: Input: [3,2,3] Output: 3 Ex ...

Posted on Sun, 19 Jan 2020 07:25:45 -0500 by superaktieboy

Wuhan University of science and technology - Java object oriented and multithreaded comprehensive experiment - encapsulation, inheritance and polymorphism

Experimental target A preliminary model of user management module of archives management system is realized. Functions include: login interface of password mechanism; query and modification of ordinary users' own information; addition, deletion and modification of other users' information by administr ...

Posted on Sun, 19 Jan 2020 06:15:33 -0500 by darkninja_com

Rejected our connection request

background When accessing the content platform, the content platform uses iframe to embed ugc's post details page, so that users can preview the post details. But the post details page does not support iframe embedding, resulting in the following error: "star.aliexpress.com rejected our connect ...

Posted on Sun, 19 Jan 2020 06:08:30 -0500 by matthewlesh

03 elastic log system - filebeat-kafka-logstash-elastic search-kibana-6.8.0 building process

03 elastic log system - filebeat-kafka-logstash-elastic search-kibana-6.8.0 building process 1. introduction 2. Preparations 2.1 software version 2.2 log flow 3. Configure zookeeper cluster 4. Configure kafka cluster 5. Configure filebeat output 6. Configure logstash input 7. Possible problems ...

Posted on Sun, 19 Jan 2020 04:46:47 -0500 by XenoPhage

Spring defines Bean class to automatically assemble spring.factories

This article introduces the use of META-INF/spring.factories in Spring Usage mode Realization principle Content extension summary Usage mode In spring boot, there is an automatic assembly process, which is to configure the Bean by adding the configuration org.springframework.boot.autoconfigure.Ena ...

Posted on Sun, 19 Jan 2020 04:37:59 -0500 by tqla

How to understand the difference between byte stream and character stream in java

How to understand the difference between byte stream and character stream in java     package com.cn; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.InputStreamReader; import java ...

Posted on Sun, 19 Jan 2020 04:34:27 -0500 by buddymoore

Static linked list of datastructure series of Dahua

Article directory Definition Form Insert element of static linked list Existence meaning Advantages and disadvantages of static linked list Code implementation (C, Java) Definition Form Let the elements of the array consist of two data fields, data and cur. Each subscript of the array corres ...

Posted on Sun, 19 Jan 2020 03:59:51 -0500 by alliance