LxLxBlog

Multithreading – redis cluster in multithreading

I am currently using the redis cluster mode with three primary instances. I use jedis (Java client) in the listening s……

Java

2020-08-26

Java – implement equals and hashcode for BST

This problem is a follow-up problem of implementing hashcode for a BST My question was hard to think of, so I got an a……

Java

2020-08-26

Reducing objects to maps using java 8 streams

If I had a similar course public class Property { private String id; private String key; private String va……

Java

2020-08-26

Java – Jackson mapping: deserializing JSON with different attribute names

I have a server that returns JSON strings: {"pId": "ChIJ2Vn0h5wOlR4RsOSteUYYM6g"} Now, I can use Jackson to deserializ……

Java

2020-08-26

Why in Java util. Static Java. Java is declared in collections util. Collections. Fill () method instead of Java util. Instance method in abstractlist?

In Java util. In collections, there is a method: public static <T> void fill(List<? super T> list,T obj) P……

Java

2020-08-26

Java – eclipse Mars toolbar entries have several blanks

I have updated the moon from the moon to Mars, and there is a big gap in the toolbar entries Right clicking a toolbar ……

Java

2020-08-26

Java imageio grayscale PNG problem

I have a grayscale image (actually "Lena") and I want to try it out I regard it as 512 × 512 PNG files, 216 kinds of g……

Java

2020-08-26

Java – spring MVC hibernate encoding / multi line SQL import

I'm studying spring MVC, When the project starts, I have set up the database to import the default SQL and use hiberna……

Java

2020-08-26

Java – try sliding windows

I try to print images like sliding windows I can't do it right Therefore, when the sliding window size is 1, it should……

Java

2020-08-26

Java – spring MVC @ requestbody map optional

I have a rest controller for this method: @RequestMapping(value = "",method = { RequestMethod.POST },produces = { Medi……

Java

2020-08-26

Java, multipart: determine whether the uploaded multipart is an image

I'm developing a spring MVC application. I have a file upload tool To this end, I want to determine whether the file u……

Java

2020-08-26

Java – heap space issues outside the NetBeans IDE

Editor: I finally made a combination of two suggested answers, so I answered my own question, which is accepted below.……

Java

2020-08-26

Java – what is the difference between using mappartitions and combining broadcast variables and maps in Apache spark

In spark, we use broadcast variables to make each machine read-only copies of variables We usually create a broadcast ……

Java

2020-08-26

Java changes the number of worker threads

I'm using executorservice to create a fixed thread pool and start several working threads. These threads listen for wh……

Java

2020-08-26

Java – check that the download manager has downloaded the file

How do I check if a file has been downloaded and run its installation? I have a code: public void downloadUpdate(Strin……

Java

2020-08-26

Java – Apache reverse proxy for WSS protocol

My application uses sockjs and spring framework I have a reverse proxy on my server to redirect HTTPS requests to the ……

Java

2020-08-26

Java – spring boot gradle application on heroku: unable to access jarfile

I have a spring boot gradle app that I can run successfully on my computer: heroku local When I go, it can also be suc……

Java

2020-08-26

Alternatives to Java applets

I'm going to write a simple program to graphically display my college students' course prerequisites (i.e. networks as……

Java

2020-08-26

Creating named pipes in Java

I'm trying to create named pipes in Java I'm using Linux However, I encountered a problem writing to the pipeline File……

Java

2020-08-26

Java – is there any other throw role instead of propagating checked exceptions?

After more and more research on the throws statement in exception handling, I am confused I found – class @R_474_2419@……

Java

2020-08-26

How does Haskell remove list usage from this code?

I'm trying to learn Haskell and binary io I try to read many word32 values and some word8 values (metadata) from a giv……

Java

2020-08-26

Java – HashMap places duplicate values unnecessarily

I have the following code. I want to insert the result into the database, but now I just want to print out the key wit……

Java

2020-08-26

Set the timestamp to the current time in Java

I'm trying to set the current date and time in the Java ee7 web application to my Apache Derby database I use time sta……

Java

2020-08-26

Java – what’s the difference between Hudson and Jenkins?

How to choose between Hudson and Jenkins? [closed] 8 Please advise me which is most suitable for Java CI construction ……

Java

2020-08-26

Java – this method contains redundancy checks for known non null values of the constant null

javac 1.7.0_79 javac 1.7.0_79 findbugs 3.0.0 Hello, I am using findbugs and I received this report with an error: This……

Java

2020-08-26

Java – why convert up a class that doesn’t change the rewriting method?

See English answers > overriding member variables in Java 10 class BritishPerson { public String name = "A brit……

Java

2020-08-26

Java – how to receive user data from the console

My console Java application generates a 3 containing some random numbers × 3 matrix What I want to do is delete some r……

Java

2020-08-26

Java – loop for checking the list of items in selenium webdriver

I have written the code for the check list web element below, but the following code is running, but only the first it……

Java

2020-08-26

Java – HashMap that maintains the original key / value when entering duplicate keys

Can HashMap retain its original key / value pair when entering duplicate keys? For example, suppose I have something l……

Java

2020-08-26

Java – caching nested cacheable operations through spring cache

I was given the task of using spring cache for one of our services to reduce the number of database lookups When testi……

Java

2020-08-26

Java – unable to connect to Oracle using spring boot and Hibernate

I have a spring boot application using Postgres (1.2) Today, I was trying to switch it to Oracle, but when I tried to ……

Java

2020-08-26

Java – how to increase the loop by 10 instead of 1?

This is my current code: http://ideone.com/PfXNQc import java.util.Scanner; public class Temperature { public st……

Java

2020-08-26

搜索内容

Multithreading – redis cluster in multithreading

Java – implement equals and hashcode for BST

Reducing objects to maps using java 8 streams

Java – Jackson mapping: deserializing JSON with different attribute names

Why in Java util. Static Java. Java is declared in collections util. Collections. Fill () method instead of Java util. Instance method in abstractlist?

Java – eclipse Mars toolbar entries have several blanks

Java imageio grayscale PNG problem

Java – spring MVC hibernate encoding / multi line SQL import

Java – try sliding windows

Java – spring MVC @ requestbody map optional

Java, multipart: determine whether the uploaded multipart is an image

Java – heap space issues outside the NetBeans IDE

Java – what is the difference between using mappartitions and combining broadcast variables and maps in Apache spark

Java changes the number of worker threads

Java – check that the download manager has downloaded the file

Java – Apache reverse proxy for WSS protocol

Java – spring boot gradle application on heroku: unable to access jarfile

Alternatives to Java applets

Creating named pipes in Java

Java – is there any other throw role instead of propagating checked exceptions?

How does Haskell remove list usage from this code?

Java – HashMap places duplicate values unnecessarily

Set the timestamp to the current time in Java

Java – what’s the difference between Hudson and Jenkins?

Java – this method contains redundancy checks for known non null values of the constant null

Java – why convert up a class that doesn’t change the rewriting method?

Java – how to receive user data from the console

Java – loop for checking the list of items in selenium webdriver

Java – HashMap that maintains the original key / value when entering duplicate keys

Java – caching nested cacheable operations through spring cache

Java – unable to connect to Oracle using spring boot and Hibernate

Java – how to increase the loop by 10 instead of 1?

Categories

Recent Posts

Tags