Questions tagged [java]

libraries for Java and Java development tools

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Power Cable Management

What software should I program this in? I have no idea where to go. Java, C++, html ???? This is just a side project to help wire management... I have an IT closet with (25) plugs coming from (4) ...
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6 views

Peer to Peer library wirh node discovery and routing capabilities for android

I am looking for a peer to peer library that will work in a LAN. I would like to use the application for communication within a LAN(voip and messages). I have been reading about kademlia and ...
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How to connect camera with my application so I can record videos using Java?

I can't find an example on how to connect Sony's camera with my application. I want my application to be able to start recording, stop and assing a name to video after recording. I have connected ...
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32 views

Recommendations for a million http requests

I have more than one million http requests to do, and I want to use a high performance programing language to do it. I coded it using PHP, but the result was too bad. I should make cUrl requests with ...
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1answer
359 views

GUI based Forms creation and data management

I am looking for an open source project or solution (preferably Java based) which basically allows me to create forms & persist the data into a back end data store (SQL, NO-SQL doesn't matter but ...
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9 views

Java Framework for in-memory task graph execution

There are some (let's say 20) concrete implementations of the FunctionalInterface Function< Input, Output> addressing isolated aspects of my business logic. A combination of some of these concrete ...
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5 views

Is there a tool to convert proto Builder to java Constructor?

question: I want to convert proto deserialized Builder into java Constructor, which needs to deal with the wrappers class. When it encounters no assignment, it changes to NULL. eg: proto ...
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10 views

Local in-memory off heap JVM key-value store

I am looking for a JVM library implementing ConcurrentHashMap to store large map in local memory. Expected to have 20,000,000 items in this map with overall size of 2-3 Gb. No need to distribute data ...
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7 views

How to bundle a Maven project to a .pkg installer?

I have a JavaFX 12 project which I would like to bundle into a .pkg installer. Is there an easy way to do this, or is there any third party software that can help me with this?
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Is there any API to generate a JSON schema programmatically in Java?

More info: I am converting XML data using the eclipse org.eclipse.uml2 (and emf) packages to generate a JSON schema, and looking for a similar Java API that provides JSON schema semantics (like ...
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7 views

Eclipse: Auto-generate hashcode() and equals() on save

I would like the java hashcode() and equals() functions to be added/updated when the class is saved, or even better; when fields are added/removed/changed. It seems Lombok can do this but I am ...
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18 views

Recomended Dynamic Time Warping Library for Java, (Wav file audio comparison)

I am looking for a Dynamic Time Warping Library in Java to be used with eclispe. This will be used to compare 2 wav files by extracting their MFCC (Mel-frequency cepstrum). I will need to find the ...
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10 views

Converting raw IMU data to roll-pitch-yaw

I have 6 IMUs sending me gyro (x, y ,z) and accelerometer (x, y ,z) data in an SD card in .csv format. What I'm supposed to do is convert this raw data into quaternion or Euler's angle using Kalman/...
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User-specific calendar that can be updated

I'm trying to create an app whereby a user will have a calendar tailored to them containing all their important dates. There needs to be a way for a non tech-savvy person to update a users calendar ...
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5 views

Android app for writing codes

I have been searching for an app I can use for writing codes on the Android platform but somehow I have not been able to achieve that, is there an application that can solve my problem?
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7 views

Help with building chatbot

I'm looking to build a chatbot that can interact with JavaScript elements on the page it's hosted on. More specifically, I'm wanting a list on the HTML page to be crossed off one by one when the ...
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1answer
21 views

Non-Node/NPM Modern Front-End Web Framework

Looking for a modern front-end web framework that is either JS- or Java/JVM-based (like GWT which does cross-compiling, etc.) but that has no Node/NPM dependencies. Meaning I should be able to develop ...
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3 views

Is there a java weakhashmap which allows GC when the value is otherwise unreferenced

I have found a class called WeakHashMap in Scala which looks to simply wrap the corresponding Java class. This weak hash table allows entries to be removed from he table (and eventually GCed) when the ...
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18 views

Is there a cross language logger

I want to able to run a single logger and post to it from different languages. Is there a single logger out there that will work with java python and r?
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14 views

Open source reporting library for Java

I'm looking for a good reporting tool for Java which is easy to implement to my Java desktop program for generating reports. It may or may not be like Crystal Reports but hopefully it is. Looking for ...
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1answer
35 views

K-means library for android

I'm looking for android library to cluster location points in groups. I want to do it locally on android without internet and group in a way where distance between mean and every point in cluster aren'...
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17 views

Suggestions for a tool to measure TCP performance of a server

I have several servers that host a java application. Now I have a requirement to measure the TCP connection performance of these servers. The perf tool have functionalities for TCP profiling but that ...
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3 views

service management technologies

I'm looking for some platform that will manage a clustering of java application, start and stop them according to the load and manage the configuration - like Kubernetes.. open source / free licensed ...
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1answer
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How to limit login access and create ban after 4 attempts to web application based on user's IP address? [closed]

i have created the js file for this purpose but i cannot find a way to limit the access after 3 failed attempts based on user's ip address. can someone please suggest me a way to do that? i do not ...
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7 views

Account Management Tool in Android Studio

How to manage the account of each user in an Android app, in equivalent, their main page is a page that contains their own informations- not the things that shared common property like simply ...
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9 views

Pdf to pure (serializable) jpanel

For a program of mine I need to convert PDF documents to serializable JPanels, any libary's that can do the job?
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5 views

Statically Access C++ functions from java

I'm developing a tool in order to test both, Java native code and C++ implementation before actual run. In order to inspect java's *.class I've used bcel Library and so discover all classes containing ...
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18 views

Spring Boot: Is there a Symfony like request debug view / profiler?

I'm asking myself - coming from a PHP/Symfony background and currently diving into Spring - if there is something similar to Symfony's request profiler in the area of Java-based Spring framework. In ...
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7 views

Currency exhange api with some features

I need a currency API with following possibilities: latest currency exchange change base currency currency exchange (fe: 1 EUR -> 20 USD) get historical data(I'll need that to compare values of ...
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13 views

Entity auditing/versioning library for Java

I have to add auditing to my Spring Boot application. I looked at Javers and Envers, but both seem to store the entire snapshot instead of just the changes made. I am concerned that saving snapshots ...
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41 views

Library to replicate AS/400 menus in Java

I'm looking for a way to make a program with the style of AS/400 menus. I've looked at text-based UI libraries (lanterna) but they don't seem to be able to do what I'm looking for. Ideally, I would ...
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1answer
10 views

Web Host selection

I would like to select a web host for my apps . He is to support ASP and JSP Languages and at least MySQL DB Please advise. Regards
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4 views

Sending OSGI event to data warehouse

Can you guys recommend me a way (framework, tool or technology) that could help me to send event data from OSGI app to a data warehouse on-premise or cloud? Thank you so much!
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6 views

Web framework visualizing decision rules (interactive graph)

I need web framework for creating visualization of decision rules. This is project for my master thesis (only 4 months remains). My vision is: Visitor uploads file with decision rules. Next he can ...
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5 views

Free Extension Library for exporting from a Java IBM Notes Database Agent to a Word Document

I am looking for a software solution that will help me Export Collected Data into a word Document, I tried both JWord and Apache POI, problem being JWord only having a free evaluation period and ...
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4 views

Libraries For Match-Making

what are software's available that provide a matchmaking service. I.e if I have a user with specific attributes(income, age, nationality,....) he gets matched with a relevant University(high rank,...
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4 views

Java library to create and print graphic?

In my JAVA Project I'll be Reading data from different files. I will have the X coordinate referring to the number of simple and the Y coordinate referring to the average input/output rate in a ...
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6 views

Need a database which I can build with java and read with javascript

I need to build a database for a html in java. The html itself is generated from java. I want to have some java objects stored in the database. In the html I want to have access via jscript on the ...
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2answers
25 views

Which software could I use to build an app that shows data saved in excel files?

First of all, I would like to thank you for welcoming me. To put you in context I want to design a programme to show data visualy and to make some reports. As soon as the design is finalized the ...
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66 views

Selecting a reliable cross platform framework

Currently I am using C++/Qt for cross platform desktop development (mainly Linux, Windows, Mac). Qt is powerful but I recently experienced some critical problems: Widget components and some other ...
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20 views

UI Tool for XSD to JSON schema mapping which generates Java code

We have multiple complex XML messages streaming through our systems and we have an XML schema for these XML data. Now, we have to make REST API calls to our vendor services. They provided a JSON ...
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7 views

Eclipse or IDEA?

I have used eclipse for 15 years.Recently my colleages often talk IDEA is greater for coding debugging than eclipse.But I don't know why, so who can tell me? I am coding by java.
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15 views

How to create .dxf file using java?

I've some points with specific co-ordinates. I want to plot a Polyline graph and then save it in .dxf format using java/python. There had been some recommendations earlier about using YCAD but the ...
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11 views

Which Java libraries can I use to read BUFR files?

I need to read BUFR files, which contain meteo info. Could you suggest me some java libs for this purpose, please?
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3 views

Java library to represent and calculate lengths such as yards, feet, inches

Title says it all. I need a library to take away the drudgery of: Representing a length in terms of yards, feet, and inches, and maybe miles. Performing calculations on those, such adding inches to ...
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10 views

An Open Source or paid tool to generate mock data for unit testing, performance testing and mocking production data

I am looking for a data generation tool that can generate large amounts of data with following requirements. Ability to configure type of data that needs to be generated -- Data has lot of ...
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12 views

WSO2 ESB vs Red Hat Fuse

I have been stucked on what ESB softwate we (our company) should use, We initially tried to choose 2 of Open Source ESB softwares Which are : WSO2 ESB - (100% Open source) Red Hat Fuse - (Only free ...
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5 views

How may I find the code block which is indicating the changes and the file which is changed when GitLab is updated

I would like to develop a project in my test automation project about if any changes occur in source code of the application, the xpaths which is changed in test automation will be managed. Because of ...
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8 views

Java logging libraries

I search for a Java logging library and a logging facade for my applications. The facade will be used by my libraries, while the actual implementation will be configured by my standalone applications. ...
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2answers
54 views

Java development environment

I am totally new to this whole programming stuff. So I started with simple websites by using Atom. But now I want to do something with Java for a Raspberry Pi project. I already tried it in Atom but ...