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unit elasticsearch.service entered failed state
Hi, I am working on elastic search and suddenly it stopped working with following error: unit elasticsearch.service entered failed state How to resolve this? Thanks
February 20, 2019 at 3:37 AM

jsonelement from string
Hi, I have to create jsonelement from string in Java. How to do this? Thanks
January 15, 2019 at 5:46 AM

how to retrieve all id in elasticsearch
Hi, I am using elasticsearch to store text data and perform search. I want to get all ids in elasticsearch. how to retrieve all id in elasticsearch? Thanks
December 7, 2018 at 4:21 AM

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elasticsearch java heap space out of memory
Hi, How to set heap size in elasticsearch to overcome java heap space out of memory? Thanks
November 2, 2018 at 5:40 AM

How to show full column content in a Spark Dataframe
Hi, How to show full column content in a Spark Dataframe? The code: results.show(); Shows only few data. What is solution? Thanks
October 30, 2018 at 1:12 AM

What is Graph Database
Hi, What is Graph Database? Thanks
October 22, 2018 at 5:20 AM

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java replace dot with comma
Hi, How to replace dot with command in Java program? thanks
October 18, 2018 at 2:26 AM

gremlin query list all graphs
Hi, I am trying Gremlin graph query. How to get all the graphs in one query? Thanks
October 12, 2018 at 4:01 AM

Janusgraph rdf
Hi, How to use Janusgraph as rdf datastore? I have xml rdf file. How to import it into Janusgraph? Thanks
October 10, 2018 at 6:25 AM

java 11 lts release date
Hi, When Java 11 is going to be released? Is it released? What are the features of JDK 11 and what is LTS version means? Thanks
October 3, 2018 at 1:30 PM

download oracle jdk 11 - How to download
Hi, Java 11 is released I want to know where to download it for my computer. What is the url to download Oracle Java 11? Thanks
October 3, 2018 at 1:03 PM

object orientated task
Write a class - Student. Student class consists of student data. For this purpose, you must fulfill the following methods (note - fields of the objects should be marked as private). Student class: Constructors: Construct Student object wit
September 30, 2018 at 4:19 PM

Java program
Write a java program which reads in a file, whose name is given by the user ,and o perform the following tasks:- ΓΆβ?¬ΒΆ To read data from the file line by line, this represents information about several persons, such as his first name, last name,
September 30, 2018 at 3:11 PM

Vehicle parking management
Source code for vehicle parking management system in java swing
September 28, 2018 at 10:13 AM

Vehicle parking management
Source code for vehicle parking management system in java swing
September 28, 2018 at 10:13 AM

elasticsearch allow from all
Hi, I am in development environment and want to allow the access of ealsticsearch from all the hosts. Program should access elasticsearch allow from all hosts. How to configure elasticsearch to enable access from all hosts?
August 28, 2018 at 12:36 AM

I am beginner and want to learn Java fast
Hi, I am a beginner in Java and want to learn it quickly. Which is the best tutorials on roseindia.net to learn it fast? Thanks
August 17, 2018 at 10:41 PM

how to open notepad using java
Hi, how to open notepad using java? I want to open windows notepad from java program. Thanks
August 13, 2018 at 4:46 AM

What is the best way to learn Java on my own?
Hi, I am new to job market and after completing my graduation searching for better IT job in market. I am interested in making my career in Java software programming. I want to achieve heights in Java programming. During my colleg
August 3, 2018 at 11:00 AM

how to get file extension in java
Hi, I want to get the file extension in Java. how to get file extension in java? Thanks
August 2, 2018 at 5:52 AM

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