Questions tagged [java]

libraries for Java and Java development tools

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Ordered high performance key-value DBMS

I need an ordered key-value database (pretty much like LevelDB) for Java. Additionally to the set of features provided by Level DB, I also need the following : Being able to get a keys position in ...
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6 views

Can we use kamon for multiple java application metrics? [on hold]

Multiple akka applications are running on the server.I want every app to throw a kamon metric.when I run applications at the same time, I get error "Address already in use".How do I fix the error. ...
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5 views

Java or Python for a job recommendation engine? [on hold]

I am making a job recommendation engine that will help people find a job. Idea: candidates will create a profile and get the best matches. Companies will also create a profile, post job and get the ...
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5 views

Any way to access Widcomm on a newer Dell Windows 10 PC? [on hold]

I'm trying to write software using WiiRemoteJ on Java, which is a library that allows you to connect to and use the functions of a Wii Remote on your PC. The issue that I'm having comes with ...
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I want to know about how to write the custom query for $text using crudrepository for mongoDB database

Also know about how to write a crudrepository query for below query. db.troubleshootGuide.find({$text: {$search: "Wash"}}, {score: {$meta: "textScore"}})
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0answers
9 views

Spilting Unit Test and Integration Test in Spring boot [on hold]

Need General Idea What can qualify to be good unit test in spring boot? Areas of discussion Should we use @Autowired to call another class in unit test or everything use Mock. @Mock Vs @MockBean ...
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0answers
16 views

Convert files to CSV other than Libre Office [on hold]

I built a java application to parse files using Apache POI,JXL.. libraries.For some files,we use Libre office as service to convert files into csv format : soffice.exe --headless --nofirststartwizard ...
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0answers
6 views

Java library to calculate distances and angles from latitudes/longitudes on a sphere

I am looking for a java library to calculate with and transform locations (lat, lon). Operations I want to perform on the sphere: given two locations x, y I want to know the distance from x to y ...
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0answers
3 views

Is it useful to use JNI for a java game engine to easily use the Vulkan API

I am trying to make a java game engine using the Vulkan API. The problem is that there are not many vulkan information sources for use in java. The most about vulkan is for C++, except i wanted to ...
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0answers
5 views

Design solution for Java MDC logging

I work on Spring boot application and MDC logging. I need to put new keys to MDC for every service/controller method. It could be a different values with different types. I can do something like: ...
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12 views

Confusion regarding HttpClients for android, RestTemplate vs HttpClient etc [on hold]

I am developing an Android App which will communicate with a Java & Spring Boot based API. I think I'm pretty set on the API-end of the communication for now, but what I wonder is what HttpClient (...
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0answers
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Visual graph representation of the branches of plot in the game for Android

I am implementing the visual graph representation for the branches of plot in the game for Android platform. I implemented graph by myself and I need a library for drawing paths between nodes of the ...
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5 views

Native Library for fingerprint scanning and comparision on Android API level 16

i would like recommendations on any android friendly native (c/c++) libraries, i can use to carry out fingerprint scanning and verification on an old Android device API level 17, would also love a ...
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3 views

Schema-less message mapping library for Java

I'm looking for a tool to define and execute object mapping in java. Most of the tools I found like Orika Dozer MOdelMapper JMapper Defines mapping on java classes and properties. Now I will be ...
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0answers
6 views

Android every minute service [on hold]

I have app which must to link to server every minute (for test every 30 seconds). (It`s not GooglePlay app, just for me) Android OS Oreo 8.1 App is Home (Launcher) Connection over WiFi only Battery ...
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6 views

Are there any Anvil Format(.mca) file library available for recent version of Minecraft?

I am working on a project which needs nbt files and anvil format operation library for the recent versions of Minecraft. I've tried libanvil, Minecraft Official NBT Lib and neither of them worked with ...
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0answers
4 views

Please explain how this for loop works [for (int j = 0; j < a.length-1-i; j++)] in this code

package com.LearnAug; public class Test1 { public static void main(String[] args) { int [] arr= {9,3,6,4,3,2,5,1}; sort(arr); for (int i : arr) { System.out.println(i); ...
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4 views

Wordpress plugin for download functionality of Java software

I developed a small Java application, which I want to release soon. A friend of mine is creating a website for me with Wordpress with a member system. Therefore we are also using WooCommerce. Now I ...
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2 views

Date generator based on expression in JAVA

I am trying to write a scheduler component in which user can give me date range in a given format like find all records which are 1 month old. or give me all records which in between two date range ...
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1answer
7 views

Is it possible to get web output from a windows application in java?

I created a quiz maker app in java as a windows application but I don't know how to publish its quizes output as html file or as web application?
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Hollow: Is there a faster Anouncer/AnounceWatcher than AWS DynamoDB

I am trying to benchmark Netflix Hollow for a datamodel that could have up to half a million deltas before it is read by a consumer. I am testing the time taken between making the changes using the ...
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0answers
15 views

which visually appeling program can i use for java programming

Recently I have started programming java. For this I used the java editor. But I think it doesn't look nice and I'd rather have another text editor where i can run my code. As an alternative I already ...
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1answer
15 views

Framework for dynamically linking routes without stopping the core application

Now we are developing a system based on microservice architecture, which uses messages and Apache Kafka for inter-service interactions. Messages will walk through core service according to configured ...
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17 views

Choosing a replicated key-value database for store large amounts of data

At the moment, we use HBase to store data on entities. Satisfies "almost" everything. Besides the fact that he periodically refuses to work. Desired requirements: similar API (set, get, delete, scan)...
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0answers
6 views

Rendering swagger documentations

I have swagger yaml file and I want to have the possibility to render this file when my application runs by reference. But I don`t know what I should use to achieve that. It is spring application on ...
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0answers
9 views

C# decompiler library to be embedded in android application?

Could you recommend a C# decompiler library to be embedded in my android application? input: file/file path output: parsed C# source code or similar Prefered usage is just adding a jar to my project....
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5 views

What language+libraries could I use to parse a csv/google sheets file and then send text messages using some of the parsed info

The goal is to send the same message to many people (volunteering reminders) but in an automated fashion. The only difference between messages would be the name at the beginning and the target phone ...
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0answers
7 views

Deploying Java deeplearning model on AWS Lambda within the size limit

Is there any lightweight Java framework that I can use to deploy deep learning model, so the jar will fit AWS Lambda limits? I tried deeplearing4j and tensorflow packages and ended up with functions ...
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3 views

Sikuli for agile software

Is Sikuli testing the best approach for a desktop application which is very agile? I am using SikuliX integrated with Java and our desktop application is very agile So in this case what is the best ...
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0answers
2 views

I need a solution recommendation for image segmentation

I need a solution recommendation for image segmentation. I want to distinguish each cell from a table in a photo or scanned document as shown below. I want to find out the vertex position of each cell....
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1answer
5 views

How do I take information in javascript and pass it to a java file and back?

I have about 2 different java files and one client file. I want to pass data into the java client file and collect the output using javascript. For context, my project looks like this. I have a ...
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12 views

How to sort any code component

my question is about finding a tool that can help me to sort all classes, and the variables and methods in each class. I'm doing a research and what I'm looking for is a software tool to find and ...
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0answers
7 views

What library can i use detect similarity of text?

I am creating an application,where users enter TEXT(Question) in textbox. If Question similar TEXT(Question) exists in database, i should display recommendation. Example: Database has the following "...
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4 views

Automation testing endeavors

Manual api testing here, looking to start doing automation testing. Now, I don't know much about this field, but, I'm looking forward to automate my functional tests using a tool with java as the main ...
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0answers
4 views

Use java -jar command start spring cloud program

I'm using win7 system, I build a spring cloud program using maven. After using "mvn package" command,I got a jar package, then I use 'java -jar ***.jar' command start this program, but when I stopped ...
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4 views

Bluestacks click simulator

I would like to simulate clicks inside a game which is running inside Bluestacks. Im thinking of taking a screenshot of my screen, crop on x1, y1 to x2, y2 vertices to only have the Bluestacks screen ...
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0answers
6 views

Java program suggestions for end-of-degree project

I'm doing right now my end-of-degree project, whose aim is to gather information about Java options, decide if they may affect to a general Java program's throughput, understand which is their purpose ...
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1answer
25 views

How to choose database

I am very new into the database and thinking to desin a database which can have image, video and long description and all. Can any body suggest me how to start and what backend technology shall i ...
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2answers
16 views

A good free guide to learn a object-oriented programming language

I am sorry for this newbie question! I am looking for an online site where I can learn a object-oriented programming language (C++, Java). I don't know those two language of programming, so I don't ...
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0answers
10 views

Is there a Java parser that can update its code representation only with parsing changed files?

I want to visualize Java code over different versions of that code. At the moment I am using Spoon (http://spoon.gforge.inria.fr) and need to parse the whole project even when only the smallest change ...
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13 views

Recommandations on Java frameworks

Using Java, I want to build an application which will have these features : Do the following tasks : 1. Connect to an MSSQL database and make a backup. 2. Connect to an MSSQL database and update/...
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3 views

What library can I use to set Country-city pairings and return said value in Java?

I am creating a class in Java that represents a job and Stores all location instances of where said job is available. I want to be able to search up locations by giving input as City, Country. I'd ...
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What is the ways of refresh the user session in spring boot?

Is there a way refresh the user session when user login? I want to send notification to the user before session timeout, for example 30 seconds ago and if the user wants to continue, I want to refresh ...
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11 views

Which rich text editor is most reliable and betted for android?

I am working on a medium clone app for which i will be needing a rich text editor to let users enter different types of data they want to add. from different types i mean BOLD, ITALICS, NUMBERED ...
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2 views

ISO light weight java Transaction Profiler

I'm looking for a very lightweight java profiler with following features : is command line tool - NO GUI of any kind works with java jar binaries - no code edit and compile takes list of ...
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0answers
7 views

Proxy Software that can Selectively Mock Responses

Recently I have come across Mountebank, a software that can proxy requests sent through it or return a mocked response if the request meets certain criteria. This works great, but it will only proxy ...
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8 views

AWS cognito and IAM with spring boot project

I'm using aws libraries into my spring boot app for make validations of users with cognito. However, I don't know What Protocol is used into requests? http or https.
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8 views

Text editor library with MS Word compatibility & track changes feature

I am working on a Java application and trying to implement the following. Person A uploads a MS Word file through some web portal. Person B and C add their comments and suggestions (with track ...
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0answers
9 views

Tools to test JPA/Hibernate queries

Currently, I've been using Dbeaver to test my queries before actually writing the real code. But it is only suitable for native queries. "SELECT COUNT(p.id) FROM profile p WHERE p.name =:name AND p....
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7 views

Library for compressed files in java

I need a java library that can handle at least 7z, zip, wim, tar (rar would be nice). Thing that I need the most is checking if file is password protected but it would be great to be able to unpack ...