Java

Great Reads

"Liberty Profile" - IBM WebSphere Application Server V8.5

by Jitendra_Jain04

IBM WebSphere Application Server V8.5 Liberty profile is a flexible and dynamic server profile of WAS which enables the WAS server to deploy only required custom features instead of deploying a big set of available JEE components.

"Secret" Productivity Tips for Visual Studio 2017

by Rion Williams

Here are some "secret" productivity tips for Visual Studio 2017

(Wildcard entry)Android Text to speech synthesis with Listview arrays with toast

by Prilvesh K

(Wildcard entry)Android Text to speech synthesis with Listview arrays with toast

.NET DateTime, A Tale About Best Practices and Time Travel

by Matteo Prosperi

In this article, we investigate how DateTime issues are avoided.

Latest Articles

"Liberty Profile" - IBM WebSphere Application Server V8.5

by Jitendra_Jain04

"Secret" Productivity Tips for Visual Studio 2017

by Rion Williams

Here are some "secret" productivity tips for Visual Studio 2017

(Wildcard entry)Android Text to speech synthesis with Listview arrays with toast

by Prilvesh K

(Wildcard entry)Android Text to speech synthesis with Listview arrays with toast

.NET DateTime, A Tale About Best Practices and Time Travel

by Matteo Prosperi

In this article, we investigate how DateTime issues are avoided.

All Articles

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Java

10 Things to Know about Memory Mapped File in Java

by Javin Paul

Memory Mapped IO is one of the fastest IO options available for Java program. If you are writing latency sensitive application, where IO can skew your numbers, then using MemoryMappedByteBuffer is a good option.

3-Address Code Generator

by Anurag Saini

A Java program to translate arithmetic expression to three-address codes

A Collection of the Most Useful Droidio (Android Studio) Hotkeys

by B. Clay Shannon

A potentially-exhausting-but-not-exhaustive list of shortcut key combinations to use in Android Studio

A Pattern to Simplify Multiple Async Waiting for Android

by Yesy

Provide a multiple-async-waiting operation management pattern for Android

A Programmatic Approach of Configuring web.xml

by Keerthi_Kumar_N

Configuring the web.xml for any Java/J2ee project using a programmatic approach

A Programmatic Approach to Configure web.xml Entries in Java

by Keerthi_Kumar_N

An alternative way of configuring web.xml using Java

A quick and easy way to direct Java System.out to File and to Console

by Lodewijk Pool

A quick and easy way to direct Java System.out to File and to Console.

A quick and easy way to direct Java System.out to File and to Console

by Member 3896609

try{ FileOutputStream fout= new FileOutputStream("stdout.log"); FileOutputStream ferr= new FileOutputStream("stderr.log"); TeeOutputStream multiOut= new TeeOutputStream(System.out, fout); TeeOutputStream multiErr= new TeeOutputStream(System.err, ferr); ...

A Sample Named "MACTracker" of Floodlight Controller

by JinWenQiang

An instance of Floodlight Controller

Access Genymotion Folders in Windows Explorer/Finder using Smart Disk Pro

by Anele 'Mashy' Mbanga

Explore your Genymotion Device folders

Access HFS+ from Windows (read-only) without installing any drivers

by Dominick Sidiropoulos

A way to access files on HFS+ filesystems that side-steps alltogether the tar-pit called "windows-drivers-from-hell (tm)".

Add Menu Items, and Respond to Them, in Android Activities

by B. Clay Shannon

Wherein the steps to add menu items, and respond to them being selected, is delineated

Add Save functionality in ReportCat

by Shubhashish_Mandal

Add Save functionality in ReportCat, a Java print library.

Adding CAs at Runtime in Java

by Bastian Eicher

CompositeJKS allows you to load a custom Java KeyStore into the SSL Context without replacing the system CA list.

Adding OnClick Event for button in XML

by Praveen Maniyath

Code for implementing a click event for button in Android.

Algorithm: Get all possible letter combinations from a dialed number

by ludovicianul

Alternate Proxy class with bytecode manipulation

by abhinav_soni

This article provides alternative to Java's Proxy class with bytecode manipulation.

Android - customize EditText like a page in textbook.

by WebMaster

Customize EditText in Android with has lines inside.

Android - List and Kill Background Process

by Ngo Tuong Dan

Android OS is a multitasking operating, there are a lot of running background process, these process make your device will be slower.

Android - To Do\Shopping List

by Deepali Dhingra

This tip explains how to create a to do or Shopping List app with listview, sqlite, dialog and customadapter

Android - To Do\Shopping List [Tip/Trick] - Part 2

by Deepali Dhingra

This tip explains how to create a to do or Shopping List app with listview, sqlite, dialog and customadapter.

Android access to .NET Web Service with Object as parameter and return value

by Ivan Budiono

Class to access a .NET Web Service with an Object parameter or even an array of objects.

Android Alphabetic IndexBar Scroller

by Khushboo Kaur

This article would help you develop the Index Bar for Android across all screen resolutions.

Android App To Browse A Website

by Garvit Arya

It is a personalized web Browser that can open a certain website directly.

Android Cards Counter

by ShareIdeas

This Android project can get cards number leveraging the principle of digital image.

Android CodeView - the Easiest Way to Highlight Text

by AmrDeveloper

How to use CodeViewAndroid Library in many projects features

Android CodeView: Auto Indentation, Find and Replace

by AmrDeveloper

Create Android Code Editor app with CodeView that supports auto indenting, finding matching and replacing keywords

Android Database Example Project (Thread Safe Version)

by Right Handed Monkey

This is a tutorial for accessing sqlite databases in Android in a thread safe manner. If you download the library code, please bookmark, comment on, or rate the article - it helps out tremendously.

Android Development - Running Android App

by ShubhamSaxena

Running an Android app.

Android Edit Text with Cross Icon (x)

by huyletran

Make edit text with specified length, delete icon

Android JSON Parser Java Classes Creator Online Tool

by Sukhpal Singh JNU Jaipur

JSON parser classes creator tool for Android

Android Torch App

by Azim Zahir

This is a demonstration of a Torch application built using Android.

Android: Activity Life Cycle

by Satyam A.

Here we see how Android Activity LifeCycle works.

Android: Custom DialogBox

by Satyam A.

How to create a custom dialog box in Android.

Android: Play Media File in the Assets Folder

by Yildirim Kocdag

Play a media file (wav, MP3, etc) in the Assets folder.

Android: Set Ringer Silent

by Yildirim Kocdag

This article helps you to set your Android device ringer mode to silent and normal, and check the last mode.

Android:deserialize KSoap2 response into Complex object or arrays purely

by Little Carl

Library for deserializing the Ksoap2 response .

Android:SharedPreference

by Satyam A.

How to use SharedPreference to store information in key-value pair in Android

Anoncrypt-Text Encryption and Decryption Website in Java (Struts2)

by Rishabh Upadhyay

Anoncrypt by HTCoders is a web-based Text Encryption and Decryption Project developed using Java Technology following Struts2 Framework

Another way of Consuming WCF from PHP, iPhone, JavaMobile, JSON clients

by Frozen Rain

There is a simple way to consume WCF from clients which do not support Microsoft's SOAP implementation. It is achieved by using REST to accept data and convert REST calls to SOAP calls with the PHP Framework.

Apache Click Framework PickList control client JavaScript via PrototypeJS

by Riaan Lehmkuhl

/* * get a hook on the buttons (> or > or <<) of a Click PickList control. * call in domloaded() passing the name of the PickList and a js callBack method to be envoked. * the callBack method should have one parameter to receive the clicked button element. * an additional attribute ('f

Apache CXF wsdl2java Error

by Klaus Stefan Gerber

I was trying to consume a web service, creating the Java classes using Apache CXF and the command line wsdl2java tool

Area of a Triangle in the Cartesian Coordinate System

by NoSuchUserAccount

For absolute beginners in Java

Argument Parser

by Nagy Vilmos

A simple method to parse an argument list as a name value pair

ASP.NET Webservices in Java via kSOAP

by User 10259217

Handy bridge between ASP.NET webservices and Java

AsynchronousSocketChannel Concurrent Writes

by Sergey Zubarev

AsynchronousSocketChannel concurrent writes

Awesome Feature of AOP in Spring

by Nandlalaji Singh

Spring itself is vast. It has lots of features. But AOP is a really cool and powerful feature. This tip is for Spring developers who don't use AOP. This gives a view of AOP.

Bar Chart with Click Listener in Android

by emerR46

Show an option when a selected bar chart is clicked in from screen.

Be Careful with Virtual Method Calls from the Constructor (and Destructor) of your Classes in C++/C#/Java!

by pasztorpisti

Avoid accidental virtual method calls in C++ constructors/destructors, Java constructors and be careful with them in C#!

Bitmap combination

by huyletran

Create a new bitmap by combining many bitmaps.

Bluetooth Desktop Locker with Android Application

by Arkadeep De

Bluetooth Desktop Locker with Android Application

Bootstrap Popups

by Rapuru Amarendra

This tip presents an example of popups in responsive using bootstrap

Brief Introduction to Functional Programming in Java 8

by Klaus78

In this tip, we explain the basics of functional programming in Java 8.

Build Your Own SDN Network

by JinWenQiang

Get started with your own SDN (Software Defined Network) simulation network

Builder design pattern in Java

by Arpit Mandliya

Explains the Builder design pattern in detail with example.

Building a Contact Form Using C#/ASP.NET MVC

by O.Nasri

This tip shows you how you can implement a contact form in C#/ASP.NET MVC

C# Like Event Handlers Pattern in Java

by Danilow

Simulating C# event handlers in Java

C#-Like Events For Java

by Mohamed.Faried

Simplifying Java events

C++ Syntax Uncovered

by Lars P.Wadefalk

I have sometimes wondered if the 'with' statement would work in C/C++, just like in pascal. Meaning that it would in it's nearest scope automatically recognize class/struct members for the ones mentioned with a . or maybe -> operator.Maybe something like:TestClass* tc;float...

Call PHP webservice from Android

by sandeepten910

Calling a Webservice from Java using Maven

by skprasadu

This tip shows how you can create stubs for webservices in Java using Maven

Case Converter, Works as Background Service

by csanuragjain

Case converter which runs as a background service and can convert cases fro uppercase to lowercase or vice-versa.

Chalba - Open Source Load Testing Tool

by hexgear

Chalba is an open source hackable load testing tool. Chalab is inspired from jmeter, gatling, grinder like tool.

Check whether location services are enabled on Android Phone

by Melih Mucuk

Checking location services are enabled or disabled on android phone.

Check whether network is available on Android phone

by WebMaster

This code snippet checks whether network is available on an Android phone.

Choosing a Good Constant in the Logistic Map PRNG

by Dan Mihajlov

How a bad constant can cause a security breach

ColoredText - How to Print Colored Text using Java

by Shmuel Zang

Simple Java helper class to print colored text in console window.

Composition for Partial Aggregate Domain Model

by Dominique Gilleman

How to handle (load/save) only a part of an aggregate domain model with composition

Conditional JavaScript and CSS based on browser and OS

by abhinav_soni

Renders JavaScript and CSS from server based on the user's system.

Configure Log4j to Generate New Log File for Every Run

by Nilesh Khaire

Log4j trick to generate new log file every time you run the application

Connecting Android App to Web Page with POST Parameters

by Jose V. Huerta

Android APP to web page (POST parameters)

Connection Pool Implementation

by Mahmoud_Gamal

Connection pool java without ConnectionContext

Convert Arabic Number To Alphabet (التفقيط) تحويل الأرقام إلى حروف

by ahmed_alashrafy

تفقيط الأرقام العربيه

Convert Microsoft Word to PDF - using Java and LibreOffice (UNO API)

by jowettp

How to use the programmatic interface of LibreOffice (called the UNO API) to load, manipulate and save documents

Copy Modified Files

by dileep

Copy the modified files from one directory to another

Crawling the Web with WebCollector

by CrawlScript

WebCollector is an open source web crawler framework based on Java. It provides some simple interfaces for crawling the Web, you can setup a multi-threaded web crawler in less than 5 minutes.

Create a Code Editor Android Application using CodeView Library

by AmrDeveloper

How to create a Code Editor Android Application for Go Programming Langauge using CodeView Library

Create a LibGDX Game in JRuby

by Uros Calakovic

Use the LibGDX Java gaming framework and JRuby to create a simple 2D game for desktop

Create a Simple Web Server in Java (1) - HTTP Server

by Andy Feng

Create a simple Http Server using Java SDK and process GET/POST requests

Create a Simple Web Server in Java (2) - HTTPS Server

by Andy Feng

Create a simple and flexible HTTPS server using JDK to process GET/POST requests

Create Groovy Classes Dynamically

by Uros Calakovic

Create Groovy classes at run-time and use them from Groovy or Java

Create XML and Extend its Nodes

by SaahilPriya

Creates an XML File, and extends its Node if it already exists

Creating and Invoking an Activity in Droidio (Android Studio)

by B. Clay Shannon

How to create an Android Activity and its associated Layout file, then invoke (intent) them from another Activity

Creating Animation from Sequence of Images in JavaFX

by AjithKp560_

Creating a simple animation using sequence of images

Creating Progress Bar When Loading Two or More Async Tasks in Android

by Benktesh Sharma

Tips for tracking progress on multiple async tasks in Android

Creating Windows Executables from Java Applications

by Datalogics Inc.

Options to turn Java code into executables that can be used from a programming language

Custom App Chooser in Android

by shash kant

How to develop a custom App Chooser to show SMS and Whatsapp in Chooser dialog

Custom Map Tiles (Android)

by valeriyabobko

A simple example of using custom tile server for Android maps using OSM (Open Street Map) library

Customized StickyGridHeaders

by Ahmed Alaa El-Din

I customized StickyGridHeaders to work on any data and group by any data.

CyberGod - An Antivirus in C++ for Windows and Android(Java)

by VISWESWARAN1998

CyberGod KSGMPRH is an open source antivirus which is designed to work under Windows operating system. It comes with a DOS Engine helping developers to customize the anti-virus engine as they please.

Debug Java Code in Java COM Windows Application (Remote Java Debugging)

by Vivek Goyal

Debugging Java JNI and C++ code in COM based application

Decoding Android Development for ASP.NET (webform) Programmers – Part I

by Mani Murthy

Provides a brief overview to developing Android application for developers who are from the ASP.NET background

Decoding Android Development for ASP.NET (webform) Programmers – Part II

by Mani Murthy

Provides a brief overview for developing Android application for developers who are from the ASP.NET background. This is the second part.

Decorator Design Pattern in Java

by Arpit Mandliya

It explains decorator design pattern in detail with example.

Design Patterns-Simplified

by Kevan Hadvani

This is my humble effort to explain so called complex Design Patterns to explain as simply as possible

Designing Android Chat Bubble (Chat UI)

by JoCodes

Creating Simple Android Chat Bubble or Chat UI Layout

Determine the IP address for any website

by csanuragjain

How to determine the IP address for a website in Java.

Developing a TimeUtil Class to Work with Time in Java

by Salar Hafezi

Through this tip, we develop a Java class named TimeUtil to extend Java's built in Date class so we can work with local times in our application.

Diffie-Hellman Key Exchange Algorithm in Java

by AjithKp560_

Java Implementation of Diffie-Hellman Key Exchange Algorithm

Direct Access to SQL Server From Android

by Ngo Tuong Dan

Using JTDS - SQL Server and Sybase JDBC driver to access SQL Server from Android APP

Dirty Method for Hindi to English and Vice Verse Transliteration

by Grasshopper.iics

Most inefficient yet easy Devanagari Transliteration

Dragging a borderless frame in Java

by Coderguy194

A borderless JFrame needs an extra bit of coding to make it draggable

Drawing Text with Wrapping and Text Alignment

by Chris Copeland

A simple class which provides drawing support for formatted text

Dynamic List in LWUIT

by philong89it

Dynamic list in LWUIT

Easiest Way to Call a RESTful Method from Android

by B. Clay Shannon

Call a RESTful method from Android without breaking, or in any wise damaging, a sweat

Eclipse Java EventQueue Templates

by Osmund Francis

Creating templates in Eclipse to generate Java EventQueue statements

Eclipse plugin to explore/zip selected resources.

by WebMaster

An Eclipse plugin to explore/zip the selected resources ( project, files, source code...).

Eclipse Protocol Error when Updating, or Installing ADT

by OriginalGriff

If you are trying to follow the instructions on how to get your system up and running with Eclipse, you may get an error when installing ADT

EJML Now with Apache 2.0 and Fixed Sized Matrices!

by lessthanoptimal

With the release of v0.24, EJML is now under Apache 2.0 license and supports fixed sized matrices.

Eliminate the use of view names literal strings in Spring

by Omar Gameel Salem

Avoid typing view names in Spring controllers by hand

Enabling SSL in Tomcat

by skprasadu

In this article I have demonstrated using a simple Java Keystore to achieve 2 way handshake.

Enhanced JTabbedPane

by kjburns1980

This tip provides code for an enhanced version of the JTabbedPane which allows the developer to add toolbar buttons to the beginning or end of the tab set.

equals( ) Versus == in Java(Android)

by Jaydeep Jadav

It is important to understand that the equals( ) method and the == operator perform two different operations.

Example of Using Google Maps Service and GPS in Android

by joseacl79

Create a Google maps app and add markers on it

Executing Asynchronous Tasks using Threads and Updating the UI

by Eduardo Antonio Cecilio Fernandes

Add asynchronous tasks, using threads, in Android activities while updating its progress to the UI. Use this technique for SDKs lower than 1.5.

Extracting substring from an HTML tag

by SanketAB

This code extracts a substring embedded in a variable in an HTML tag.

Fast Greatest Common Divisor (GCD) Algorithm

by ZamirF

Can we simplify it by: (This essentially passes only two numbers). public int GCD(int value1, int value2){ int max = 0; bool gcdFound = false; int counter = 1; //Make sure both numbers are atleast 2 or above if (( value1 <= 1 ) || (value2 <= 1)) return...

Fast Greatest Common Divisor (GCD) Algorithm

by jfriedman

/// /// Find the Greatest Common Divisor /// /// Number a /// Number b /// The greatest common Divisor public static long GCD(long a, long b) ...

Fast Greatest Common Divisor (GCD) Algorithm

by Mauro Leggieri

It is better to do this:public static long LCM(long a, long b){ return (a / GCD(a,b)) * b;}To avoid overflow on big numbers.

File Change Notification in Java 7

by Azim Zahir

This article describes the File Change Notification functionality in Java 7.

File Upload using Selenium (Select File on Window)

by Member 14088083

How to select file for file upload using selenium web driver

Filtering a List in Java

by Shubhashish_Mandal

Filtering a List of custom instances

Finding the Closest Latitude and Longitude in an OpenStreetMap CSV File

by ExcelledProducts CEO

Closest latitude and longitude to a referenced latitude and longitude.

FindReplace

by Varun Sriram

This article explains how to develop a custom Java utility to find and replace strings in multiple files in one go

Flattening the Recursive Call in the Canny Edge Detector Algorithm

by discompsys

This tutorial describes how to convert the recursive method call in said algorithm into a flat loop call, to save memory in restricted environments.

FluentJdbc Query API

by mrcellux

FluentJdbc Query API for more convenient native SQL querying

Framework for Performing Aggregation and Plain MongoDB Queries in myBatis Style

by dmgcodevil

Framework for performing aggregation and plain MongoDB queries in myBatis style

Garbage Collections in Java

by Ramiz Raza

This tip talks about how garbage collection works in Java Virtual Machine.

Generate Hibernate Entities / Mapping Files with Ant Tools

by Fabrizio Stellato

Generate entities, mapping and configuration files with Hibernate Ant Tools. Apply reverse engineering in a few seconds !

Generating dynamically nested loops

by NATKIT7

One example of the need to have a set of nested loops in is combinotronics where you are trying to generate all possible combinations. If we want to have a variable number of elements generated then we need to look at having dynamically nested loops.

Get rid of Parcelable Implemention

by farhad2161

In this article we will implement a general Parcelable class and name it ParcelableEntity. Then all other entity class can extend it, then they will be parcelable too. So there is no need to implement Parcelable class for other classes.

Getting Started With Android Development

by ShubhamSaxena

Getting started with Android development.

Getting started with Cucumber using Selenium

by KishorM

To get started with cucumber using selenium with an example.

Global Variable in Android

by josh-jw

This tip will help you to develop global variable in Android application.

Google App Engine JAVA

by Azhar Mehmood

Google App Engine - JAVA, DataStore implementation using JPA 1.0

Google Maps with Custom Styles and Custom Pin

by Pankil Bhatt

In this tip, we will see how to use the Google Maps API and Google Maps with custom styles and a custom pin.

Google NewsStand Animation Android

by Hariprasanth S

Navigation pattern like in Google News Stand app with transitions

Groupdocs library for document viewing- A review

by Yazad Balsara

Review of a smart document viewing library with annotation features.

Growing Java Array Class

by JoeSpider13

Growing Java array class.

Guide to Java Trust Store and Key Store Configuration

by Kibo Hutchinson

Here is a guide to Java Trust Store and Key Store Configuration

GZIP Compression Java vs .NET

by Abhishek Kumar Goswami

This tip compares GZIP compression facility provided by Java and .NET.

Handle Click Events of Multiple Buttons Inside a RecyclerView

by JoCodes

Handling multiple click events of multiple buttons placed inside CardView / RecyclerView from Activity instead of from Adapter

Handling Phone Events in Android Programs

by krasnoff

In this article, we will learn to write code which responds to various phone events such as: phone ring, start conversation, start outgoing calls, etc.

Histogram Equalisation in Java

by AjithKp560_

Enhance Image using Histogram Equalization

How to add a Multifactor Authentication using Microsoft or Google Authenticator

by Kashif.Mushtaq.Ca

A time-based, One-time Password Algorithm (RFC-6238, TOTP - HMAC-based One-time Password Algorithm) based token, implemented by e.g. Microsoft or Google Authenticator mobile application.

How to Add an AsyncTask to an Android Activity

by B. Clay Shannon

Step-by-step instructions for adding an Async Task to an Android Activity

How to add external library file in Android Studio

by josh-jw

This article will give you a good idea about adding external jar files in Android Studio.

How to Attach a Dynamic PDF to a Salesforce Messaging Email Template

by Beavis Killer

This tip describes how to attach a dynamic PDF to a Salesforce messaging email template.

How to Call Overridden Function in Java and .NET

by Vladimir Kolmanovitch

Technique of calling overridden methods from Java and C#

How to Conditionally Filter the data in text file in Java

by Member 10843807

An example to illustrate how esProc Helps Process Structured Text in Java–Conditional Filtering

How to Copy the Text of a textbox to Clipboard? - Using JavaScript

by ASP.NET Community

How to copy the text of a textbox to clipboard using JavaScript.

How to Create a Font Samples Document for Your Computer

by V. Subhash

A simple Java class to enumerate fonts in your systems and create a text samples document

How to Create a shelfview in Android with TableLayout?

by omid.nazifi

In this article, we try to make a shelf view show a list of books or newspapers, etc.

How to Create Adapters Easily in 2022 as an Android Developer

by AmrDeveloper

How to get any Adapter class from model class easily and quickly

How to Create an Android Application Widget using the Apache Cordova Plugin ACE

by Silvia Campo

This post contains steps on how to set up an Android application widget in an hybrid mobile application using Apache Cordova and the plugin ACE from Microsoft.

How to Create Single Page Applications with PostgreSQL Data Type Jsonb, Play Framework and REST

by Softarex Technologies, Inc.

Step-by-step case shows how to optimize a web application using new technologies which can easily increase the performance

How to Create Your Own Eclipse IDE Plug-in

by IAndreev93

Development tools development

How to cut a bitmap?

by huyletran

Cut bitmap!

How to Detect if Client has JavaScript Enabled/Disabled in Backend Server

by Danny Chu

Learn how to detect if client has JavaScript enabled or disabled at your backend webserver

How to Develop a Simple Android Service

by giaosucan

Simple way to create service on Android Application

How to Easily Write a User's Guide for Your Application using Different File Extensions

by Vladan.Obradovic

How to easily write a user's guide for your application using different file extensions

How to Effortlessly become a Historian, Archaeologist, and Forensic Technician (with your Android code)

by B. Clay Shannon

How to View Every Change You've Ever Made to a File in Droidio With No Setup

How to Establish a Different Picture of the Android Camera by Image Processing (Gray and Comic)?

by Lai Taiyu

To establish a different picture of the Android camera by image processing (Gray and Comic)

How to get shutdown event in windows from java app with jni

by mohamadArdestani

get shutdown message in java application with jni

How to inject Spring beans into Servlets

by ludovicianul

How to Make Your Own Android Weather Application Using Google Weather API

by Hadrich Mohamed

This tip shows you how to make your own Android Weather Application using XML Parsing.

How to Populate a Spinner (Dropdown/Picklist) with Values in Android

by B. Clay Shannon

Easily create and hook up values to display in an Android Spinner

How to Prevent Browser from Save Password Prompt in Struts

by Aftab Ahmed Sajid

Preventing browsers from saving Admin user passwords, intentionally or unintentionally while using STRUTS forms

How to Put Color on Windows Console

by Tiago Cavalcante Trindade

How to put color in Python, C, C++, C#, Java and batch on the Windows console

How to retreive data from XML File in Java.

by Hadrich Mohamed

This tip shows you how to easily retreive soma data from xml file

How to Send Email From an Exception Block in Android

by B. Clay Shannon

Simple code to send email which contains Exception text from a Catch Block

How to send SMS using Java with a HSDPA Dongle.

by harshadura

Simply send SMS using Java with GSM Modem or HSDPA Dongle

How to Setup a Tomcat Cluster in 5 Minutes

by Andrey Chaschev

Describes how to install and use Bear to set up and manage Tomcat cluster

How to Share Lib Between Cores When Using solr

by d.jrmwang

Recording one solution to share lib between solr cores

How to Share Resources Between Threads?

by vudangngoc

Synchronization is slow, why and how to do better?

How to View SQLite Data from Droidio

by B. Clay Shannon

Step-by-step instructions on how to view SQLite data from Android Studio and SQLite Data Browser

How to Write Good Code

by Marc Clifton

Each function should answer "how-what-why."

HTTP Proxy Using Play Framework and WS API

by Alexander Iskhakov

Creating a HTTP proxy using Play framework and WS API

Implementing SqrtRoot in BigDecimal

by Luciano Culacciatti

Implementing SqrtRoot in BigDecimal

InetAddress Java Class

by Marius Iulian Mihailescu

The article describes the use of InetAddress class with short and easy-to-understand examples. I have tried to focus on practical examples showing how we can obtain information about a host. The examples provided in this article are provided from the academic point of view.

Inspector Gadget - Plugin Loader & Testing Assistant

by Effi Bar-She'an, Lital Kornfeld

A framework for plug-in loading and a way to load plug-ins in development environment that doesn't require redeployment of the plug-ins

Integrating Asterisk with External Systems

by Samson Mebrahtu

Asterisk Java integration using fast AGI

Interactive Shortest Route Finder using Openlayers

by Nicholas Gandolfo

Using Openlayers to display interactive nodes and links.

Introduction to Java Matrix Benchmark

by lessthanoptimal

Comparision of Java linear algebra libraries

Introduction to Play Framework

by Member 10771162

Introduction to Play framework

IP/Subnet Calculator Lib

by saddam abu ghaida

IP/Subnet Calculator Lib

Iteration Over Java Collections with High Performance

by vudangngoc

Travelling over Java collections is just a piece of cake, but when the size of the collections increases you have to choose wisely

Jacob read Excel pivot tables

by Mircea Sirghi

Jacob for Excel, pivot tables, VBA functions, etc.

Java - Sockets and Serialization

by Jalal Ali

A guide on sockets, and how to send objects across them

Java & JDBC & SQLite: Read Data from User-selected db Table and Show in JTable

by Emiliarge

A JavaFX/Swing NetBeans 8.0 Project with JFrame created by NetBeans's GUI Builder

Java & Struct/Value Type Benefits & How to Obtain Them

by Member 13797506

Introduction to structs (value types) in Java

Java 9 Flow API vs LMAX Disruptor

by vudangngoc

A quick comparison of Java 9 Flow API and Lmax Disruptor

Java and Microsoft Access via Jackcess: How to Connect MDB or ACCDB, Get Data from Table and Display It in JTable

by IAndreev93

Very Simply MDB/ACCDB Viewer with Swing GUI written in NetBeans IDE using GUI Builder

Java and MySQL via JDBC: How to Connect DB, Get Data from Table and Display It in JTable

by IAndreev93

Very Simply MySQL Viewer with Swing GUI written in NetBeans IDE using GUI Builder

Java Android Spinner

by Jan Bodnar

This tip shows how to use a Spinner widget in Android Java.

Java Code Change Impact Analysis - Introduction to JCCI

by Oliver Li 2024

Java Code Change Impact Analysis

Java Code Generator

by matalan44

How to generate code in Java

Java Date Generation with Lamma Date Library (1)

by maxcellent

Java date generation with Lamma date library (1)

Java date generation with Lamma date library (2)

by maxcellent

This article discusses basic date sequence generation with Lamma date library in Java

JAVA Garbage Collection

by Md Wahiduzzaman khan

It's finally time to jump into the wonderful world of memory management and Garbage collection.

Java Implementation of the Base26GPS Standard

by avi shaby

This tip describes the Java implementation of Base26GPS.

Java Json Parser Online Tool

by Sukhpal Singh JNU Jaipur

Java Json Parser Online Tool

Java Performance - length vs length()

by Salar Hafezi

How to optimize heavy String/Array manipulations

Java String Property Values that Start with a Single Number are Truncated

by emartinho

A Java String property value starting with a single number (e.g., a CRON schedule like "0 30 */1 * * ?") is truncated to just the first number.

Java Swing Look and Feel Picker

by jhouns

A really simple look and feel picker

Java: How to convert RTF into HTML

by Arman S.

This small piece of code shows how one can use Java standard libs (non-third party) to convert a RTF text into HTML.

Java8: Lambda Expression with Shape Class

by Maximilian1986

Implement the Lambda expression to handle the class Shape in Java8: the power of declaration programming.

JNI Signature for Java Method

by Luca Basso Ricci

How to build the JNI signature for a Java method

jvmtop - An open-source console tool to monitor your JVMs

by Mattias Ordboken

jvmtop is a lightweight, open-source console monitoring tool

Keep Track of Your System or Application With Notifier Mobile Service

by Dung_Le

Keep track of your system or application with Notifier Mobile Service

Lambda Expressions in C# and Java

by Peter Silling

Lambda expressions were introduced in Java 8, and the concept is little bit different than in C#. We'll go through how these things are implemented in C# and in Java.

Light-weight Timer for Android (background worker)

by Ross Brigoli

A simple and light-wight timer/background worker class for Android that does not spawn new threads.

Limiting sent out rate effectively (Message throttling)

by prashantaxe

An efficient Message rate limiter using circular buffer

ListActivity setSelection within onCreate()

by JIANGWilliam

Specify the displayed position before launching a ListActivity

Loading the Class Information using Reflection

by john0609

This tip will provide the basics and one place use of reflection in Java.

Log4J for Jetty

by shash kant

Configuring Log4J for Jetty

Logout: Spring’s LogoutFilter

by Ohad Redlich

In this article I explain Spring's implementation for the log-out mechanism

Lottery algorithm in Java

by OmiD_Haghighatgoo

implementing lottery algorithm in java

Mail Sender Demo Using JavaMail

by Hammad Zahid Ali Zafar

This is a simple app that may have not many features but it sets the basis for a good Desktop Email Sender App.

Make a Connection between Java and MySQL

by wseng

Step by step on how to make a connection between Java and MySQL.

Making HTTP Requests Through a Proxy with Java

by Lewis Kerr

A quick code solution of how to make HTTP requests through a proxy with Java

Manage Browser's Java from JavaScript

by Kornfeld Eliyahu Peter

How to get information and use of Java from JavaScript...

Manipulate Object Inside a List and Print the Output

by Fabrizio Stellato

Create a JSTL tag for manipulating and print the output of each object inside the list

Mapping JDBC ResultSet to Object using Annotations

by AprNgp

A simple code to map JDBC ResultSet to an Object using Annotations in a generic way

Matematico, Android Card Game

by martin.nedopil

Logical card Android game

Matrix in Java (GUI)

by Abdelrahman Elzedy, Abeer Touny

A description for a Java code implementing a Matrix program in a GUI form

Minimize Spacing using Regex

by FrostedSyntax

Regex patterns that will condense multiple spaces, tabs or line breaks into a single space, tab, or line break.

Moles (Shims) vs. Mock Frameworks Count - Why So Less

by Snesh Prajapati

Moles (Shims) vs. Mock Frameworks Count - Why So Less

MollyMage - Turn-based Strategy Approach

by Mirzakhmet Syzdykov

Overview of the strategy in turn-based MollyMage game

Mule ESB : Creating Custom Aggregator

by Rahul Kumar 1991

Creating a Custom Aggregator component in Mule ESB

Mule ESB: Creating a Simple Synchronous File Reader

by Rahul Kumar 1991

Creating a simple Synchronous File Reader

Mule ESB: Creating Custom Fliter

by Rahul Kumar 1991

Mule ESB: Creating Custom Fliter

My Personal Software Development Stack

by James Dale

My Windows Sever 2003 reaches its end of life in 2015. I do not look forward to moving to Server 2012. Surely there has to be a better, portable, and cross platform solution that features zero install and fits on a USB stick.

NetChecker in Java

by LegoMindstorms

A Java applet to check if .NET 3.5 is installed

Obtaining the Customer ID in Google Apps Admin Audit API

by Hovanes Manucharyan

Programming with Google Apps Admin Audit API

Oracle ADF Faces Cookbook

by apis3445

This is another book about ADF

Out of memory issue in MyBatis

by Davinder Singla

This tip is for solving out of memory issue for large result sets in MyBatis

Overriding Virtual Functions, a Comparison Between C#, C++ and Java

by marcus obrien

This article compares the OO features of inheritance and function overriding in C++, C# and Java.

Padovan sequence in core Java

by NikulDarji

Padovan sequence in core Java

Passing Values to an Intent

by DASoftware

Tip on how to pass a value to an intent

PDF Extraction Tool (PET)

by Dr Neelendra Badal, Prince Verma, Amit Patel, Satakshi Gupta

It is a tool to extract desired information from Pdf documents, we have developed it in context of extracting information of an individual from E-Aadhar (it is a unique identity issued by Govt. of India). User can modify the code according to desired Pdf documents.

PDF Viewer with Cordova and AngularJS

by Fernando Cortes Flores

An Apache Cordova app that can download a PDF from an URL, store the PDF in the device and show the PDF to the user

PHP, VBA and SQL Useful Scripts

by Mirzakhmet Syzdykov

Development process in few steps with the help of scripting software

Playing Audio on Android from an HTML5 File

by Kyle A.B.

Learn how to play Audio in an Android app from an HTML5 page in the Apps Assets folder.

PrintEngine: Replacing Bookmarks Made Easy

by Tim Kaler

A JAVA based solution to replace bookmarks in your Word files and convert them to PDF.

Producer-Consumer Problem

by lgoyal06

Understanding Producer Consumer Problem using Email Queue Example.

Producer-Consumer Problem

by lgoyal06

This is an alternative solution for "Producer-Consumer Problem"

Protohost Scanner

by Zeff Portal

Prohost Scanner

Proxy Design Pattern in Java

by Arpit Mandliya

It provides proxy design pattern in detail with example

Push to Single Android Device

by Attila Kúr

Alternative Push Notifications (without GCM) targeting a single device

Quick 7-card Poker Ranking in Java

by Member 12234041

Open-sourcing Texas-Holdem 7-card hand-ranking software

Quick Code Language and API Reference Search for Developers

by Michael Safyan

If you've done a regular search for API reference documentation, most likely you've come across links to very old versions of the API (e.g. links to Java 1.4.2 instead of Java 5 or Java 6), or you've probably come across plenty of links that are completely unrelated to the actual search (getting...

Quick event handler in a Java class

by Asit Banerjee

Quick event handler in a Java class

Quick Tip: Java Stored Procedures in Oracle – Reading Content

by Sam Varadarajan

This post is about how to get the contents of a resource file that is loaded into Oracle as part of Java Stored Procedures package. I’ve recently posted about Java Stored Procedures in general here. While working on enhancing some Java procedures, I added a simple Java logger class, fashioned

Quick-and-Dirty Way to Get All Records from Any SQLite Table (Using Java from Android)

by B. Clay Shannon

Learn how to get all records from any SQLite table, passing the Table Name as String and receiving a StringBuilder

RC4 (Rivest Cipher 4)

by OmarIsaid

Java implementation for the RC4 stream cipher algorithm, the RC4 is implemented using the IDE 8.1

Really Really Going Native

by harold@talerian.com

C is still the best language for native-code development.

Reduce Database Load by Using a Redundancy Check Character for Password Validation

by Piotr Gałecki

A simple trick that can relieve the database during a brute-force attack.

Refactor to Functions

by arteysoft

Get rid of dependencies through the use of Functions

Regex+ - Extended Regular Expression Engine

by Mirzakhmet Syzdykov

Description of the newly available Regex+ engine for Java

Regex+ - Extended Regular Expression Engine

by Mirzakhmet Syzdykov

Description of the newly available Regex+ engine for Java

Reject and Accept an Incoming Call

by Yildirim Kocdag

This article helps you to reject and accept an incoming call for your Android device with functions.

Remote Desktop Application

by devendra_sahu

Remote desktop application

Removing Unused Mappings from web.xml

by Matteo Risoldi

A quick to implement way to remove unused mappings from web.xml

Resizing Frame and Controls with the Same Ratio in Java

by Bilal N Gharib

This article is about automatic resizing of a frame and its controls with the same ratio in Java.

Richfaces Maven Project for Eclipse JavaEE IDE

by anand kr

Develope Richfaces web project in Eclipse JavaEE IDE with maven support using archetype

Roger Rabbit - JUnit Tests Runner Across Multiple Projects

by Effi Bar-She'an, Lital Kornfeld

Running JUnit tests across multiple projects

Rotate Bitmap

by huyletran

Rotate bitmap

RSA Encryption in PL/SQL

by Juan F. Paleo

Encrypt data with RSA Public Key

RuleRunner

by jlayani

RuleRunner is a simple decisioning algorithm that is driven by a properties file.

Running a Java applet from an ASP.NET website

by MAU787

Integration of a Java applet in ASP.NET.

Running Java Code on the fly

by Martin Ton

How to run Java code on the fly

Save Email With Attachment in Outlook's Draft Folder

by Yaseer Mumtaz

This small tip will help you to save email with attachment in Outlook's draft folder using Java programming language.

Scientific Software in Your Hand

by Mirzakhmet Syzdykov

Science and programming on working examples

Sending and receiving strings from COM-port via jSSC in Java

by Emiliarge

How to send data to device and receive data from device through COM-port

Sensors in Android

by Deepali Dhingra

This contains information about Sensors in Android.

Show a Toast in the Middle of the Android Screen

by B. Clay Shannon

Simple tip on how to show a toast in response to an event, and center it in the screen

Show/hide password in a edit text view (password type).

by WebMaster

Show/hide password in a edit text view (password type) .

Simple IoC Container Base on ConcurrentHashMap

by vudangngoc

Is it easy to create an IoC container?

Simple JavaScript OOP for C++, Java and C# Developers

by Mehdi Maujood

This tip provides an approach to object-oriented programming for developers familiar with class-based OOP in languages such as C++ and Java.

Simple JSON REST Consumption with GSON API

by Mirnes Mrkaljevic

This article shows how to use JSON response from REST service using Java GSON API.

Simple MP3 player in Java

by Coderguy194

Make a music player using 3rd party libs in Java

Simple Pie Chart with Labels

by User 1234567

Logic to create Pie chart with rotated labels

Simple Singleton Pattern in Android

by Kamran_Shahid

Singleton pattern implementation in Android

Simple SMTP Client and POP3 Client in Java

by Phuong Thanh Nguyen

The programs are for sending and receiving emails

Simple Source Line Counter in Java for Java

by makpandian

A simple source code line counter written in Java

Simple string parsing in Java

by Filipe Marques

How to parse a string in Java.

Simple texteditor with Java Swing

by Ngo Tuong Dan

A usecase for Java beginner

Soap Manager

by n.massari

Library to send and receive objects between an android client and a web service

Software Development and the Bitness Challenge

by citrin

About the bitness challenge in software development

Solution: The import javax.servlet.ServletRegistration cannot be resolved

by Or (David) Berkovitch

Resoled using a simple Maven dependency.

Some of the Anti Patterns

by Atulkumar P Patel

Anti Patterns are wrong practice followed by Developers. They are opposite to Design Patterns.

Spring MVC, Maven, Twitter Bootstrap example

by jan.mach71

Spring MVC, Maven, Twitter Bootstrap example.

SQL Query Tool for Google Fusion Tables

by István Smrtnik

A Google fusion tables SQL front end for quick query hacks. Comes with code completion, syntax and error highlighting plus some extra commands like DROP TABLE. Antlr4 grammar included.

Step by Step Your First Journey with Activiti

by Andrea Flesca

Activiti in Action is a great book, but I had some problems in performing the two simple exercises of the first chapter due (IMHO) to the lack of some information

Store Credit Solution - Google Code Jam

by Muhammad Nahid

Store Credit solution

Swap Two Numbers without using Temp Variable

by josh.rendon

That conclusion is definitely wrong. Your equation expanded equals: b = (a+b) - (a-b) = a+b - a + b = 2*bFor your example a=20, b=10b = (20+10) - (20-10) = (30) - (10) = 20b = 20 + 10 - 20 + 10 = 20A counter example to disprove this: a=75, b=88b = (75+88) - (75-88) =...

Swap Two Numbers without using Temp Variable

by GregEllis

You can do it with some XORs:int a = 25, b = 7;a = a ^ b;b = b ^ a;a = a ^ b;Or the same thing with some shorthand to make the code even harder to read:a ^= b;b ^= a;a ^= b;

Switching between List Empty and Busy Indicators for Android ListView

by cigwork

I wanted to show a "no data" legend when there's nothing to show for an asynchronously loaded list and a busy indicator whilst items are being sought/loaded.

Synchronized and Concurrent in Java

by Trần_Tuấn_Anh

In Java, Synchronized and Concurrent are two fundamental concepts in multithreading

TeamCity vs Cruisecontrol.NET

by Dominic Burford

TeamCity vs Cruisecontrol.NET

Testing and QA

by Member 8735318

Differnces betwenn testing and QA.

The Beginner Programmer's guide to Problem Solving [With Example]

by Rajaraman Raghuraman

Step by step guide to problem solving in programming especially for beginners.

Tip: Accessing Newer Android SDK Version APIs Using Java Reflection

by V. Subhash

Android code shortcuts to explore newer SDK APIs

Top Tips for Developing a Recordist Function

by Jackson Jiang

Introduction to and development journey of a real-time transcription function

Tree View in Java For Android

by pgmr_64804

Tree View in Swift for Android that is easy to implement and use

Understanding of the Android DrawingState

by Yesy

Demonstrate how to use the Android drawingstate

Use a Local API to Protect Global Methods in a Distributed Environment

by discompsys

An easy way to allow local objects with direct access to invoke methods on a class, but prevent them from being part of the public API, for remote invocation.

Use Event Forwarding to Simplify Your Event Handling

by Mr Digs

A brief look at using Event Forwarding to separate your JavaScript from your HTML

Use Wookie to browse Web in Scala/Java

by Andrey Chaschev

An introduction to the Wookie, a Java/Scala library to automate web browsing.

Using an Oracle Database Table as a Multithreaded Work Queue

by Brendan Lester

Use of an Oracle 11g Skip Lock feature to easily implement a scalable, robust work queue

Using Bootstrap Carousel Slider in Servoy 7.4

by Dhanabati

Using Bootstrap Carousel Slider in Servoy 7.4

Using getMagicCaretPosition Without Getting Null Value

by Alain Peralta

How to use getMagicCaretPosition without getting null value

Using Hardware Keys on Android for Security Apps

by jit_knit

Using Hardware Keys on Android for Security Apps

Using Java Codes to Capture PIV4/IPV6 Packages

by JinWenQiang

How to capture and process packages using Java language

Using JavaServer Faces with Oracle

by Azim Zahir

This article explains creating a JSF application using NetBeans 7.2.1 and Oracle 11G.

Using JNI to read Window-My in Java

by Martin Ton

Using JNI to read Window-My in Java.

Using Spinner Control for Filtering ListView - Android

by JoCodes

Filter ListView Items using Spinner ( with custom adapters, Model Classes )

Using Spring Security and Create Custom Login Dialog

by joseacl79

This tip is about the spring security and how to create a custom JSP page to login with.

Using XPath to Query the Internet

by Bruce Yang CL

A way to query the data from Internet

Vaadin7 jQuery UI Integration

by Aminul Karim

Vaadin7 jQuery UI integration

Virtual Screenshot Manager

by csanuragjain

Captures, searches, and manages all your screenshots in one place.

Visual Studio IDE Shortcut's for Eclise IDE

by Anshul Mehra

This tip/trick will map Visual Studio IDE Key Bindings to Eclipse IDE

VS 2015 Crashes When open *.axml files using Android Designer Xamarin

by Ahmad Kharsah

Fix VS2015 Crashes when open *.axml file after Update Xamarin and Java JDK

WebDriver and ChromeDriver

by rover tamarys

Chromedriver and how to use it

Webix Integration with Online Geographical Maps

by sonic_youth

This tip will tell you how to add popular web maps such as Google, Nokia, OpenStreet and Yandex maps into a Webix app with just several lines of code.

Week numbers according to ISO8601

by jasper.mandos

/// /// Stuct for the ISO 8601 week date/// /// /// See:/// See:/// Algorithm:<see...

Week Numbers according to ISO8601

by Richard MacCutchan

Week numbers according to ISO8601

Week Numbers According to ISO8601

by Luc Pattyn

This is an alternative to "Week Numbers According to ISO8601".

What Are the Most Important New Features in the Java 8 Release?

by Hadrich Mohamed

This tip shows you the most important new feature in Java 8 release.

What If Names Would Contain White Spaces?

by Pavel Evgenjevich Timoshenko

Is there a technical reason why white spaces aren't allowed in names of constants, variables, methods, classes and namespaces or is it in accordance with any convention?

When Parsing/Formatting Dates in Java, Make Sure You Don't Rely on the Default Behavior

by Sergey Yaskov

If you have a string of date/time without time zone information, you can have unexpected results due to Java default time zone.

Windows / Android (C#/Java) Compatible Data Encryption with Compression

by JudyL_MD

Code sample for passing encrypted compressed data between Windows and Android

Working with command line arguments in Java

by Saket Vyas

A Java application that can accept any number of arguments directly from the command line.

Wrapping Java with C++ Objects - JNI OOP

by Yochai Timmer

A way to avoid JNI's reflection oriented programming. Wrapping Java with C++

Yet Another Fluent JDBC Wrapper in 200 Lines of Code

by Łukasz Bownik

A fluent JDBC wrapper written in 200 lines of code