Leetcode top 100 raised questions 25. Reverse nodes in k-group (Java version; Hard)

welcome to my blog Leetcode top 100 raised questions 25. Reverse nodes in k-group (Java version; Hard) Title Description Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. k is a positive integer and is less than or equal to the length of the linked ...

Posted on Sat, 08 Feb 2020 07:16:57 -0800 by dimitris

Learning three: v-on, v-if, v-for

v-on,v-if,v-for 1 v-on 1.1 parameter If you do not need to pass parameters to v-on binding methods, you can leave the parameters blank When parentheses are omitted, the bound method can receive the event of the page as a parameter <div id="app"> <h1 @click="test1">123</h1> ...

Posted on Sat, 08 Feb 2020 04:15:01 -0800 by onedumbcoder

How to compare strings in Java?

In this article, you will learn how to compare strings and the problems that occur when you compare strings using the equal (=) operator. introduce String is a special class in Java. We use string regularly in Java programs, so comparing two strings is a common practice in Java. In this article, I try to answer the most common questions about ...

Posted on Sat, 08 Feb 2020 00:28:43 -0800 by ManWithNoName

Redis Actual - Data Structure Set Actual Get Randomized Unique Test Title

Overview: This series of blogs covers relevant content from a hands-on course recorded by debug: Getting Started with Cache Middleware Redis Technology and Application Scenario Actual Warfare (SpringBoot2.x +Redback System Design and Warfare) , interested little buddies can click to learn on their ow ...

Posted on Fri, 07 Feb 2020 18:49:51 -0800 by bongbong

ES6 - Web Music Case ideas and writing methods

Thinking and writing method of Web Music cases In some cases, we often receive the data from the background, and then write the page for the data Basic page frame <h2 class="title">Baidu Music List</h2> <ul id="list"> </ul> <footer class="footer"> <label> ...

Posted on Fri, 07 Feb 2020 06:23:11 -0800 by The_Anomaly

Summary of knowledge points of css

Preface css is not only the makeup artist of the page, but also the foundation that every front-end must master. In the work, it is often too frequent for business, so it can't be very good to precipitate the technology. This paper is mainly the notes that the author learned from his spare time. It ma ...

Posted on Fri, 07 Feb 2020 01:24:07 -0800 by nawhaley2265

Kafka consumer multithreaded implementation

Kafka Producer, the producer of Kafka, is thread-safe, whereas consumer KafkaConsumer is non-thread-safe.KafkaConsumer defines an acquire() method to detect if only one thread is currently operating and throws a ConcurrentModifycationException exception if other threads are operating: java.util.Co ...

Posted on Thu, 06 Feb 2020 19:46:51 -0800 by HUWUWA

Data structure stack

Article directory Introduction to stack Stack implementation Calculation of infix expression Algorithmic thinking code implementation Suffix expression evaluation Algorithmic thinking code implementation Infix expression to suffix expression Algorithmic thinking code implementation Introdu ...

Posted on Thu, 06 Feb 2020 05:19:51 -0800 by jmajeremy

fmt of Go language standard library

1.fmt fmt package implements formatted I/O similar to C language printf and scanf. It is mainly divided into two parts: output content and get input content. 1.1 output out 1.1.1Print Print The series function outputs the content to the standard output of the system, with the difference Print Function to output content directly, Printf The fun ...

Posted on Thu, 06 Feb 2020 04:36:36 -0800 by epilator

hiveSQL basic statement 2 -- common functions (timestamp, time interval, if, case)

View all functions show functions; View a function desc function extended from_unixtime; 1, The timestamp is converted to the function from "unixtime" in the specified format Format: from "unixtime (bigint unixtime, string format) format yyyy-MM-dd hh:mm:ss Yyyy MM DD HH 12 hour sys ...

Posted on Wed, 05 Feb 2020 23:19:24 -0800 by spaggle