[Tutorial] Plotly graph drawing in Java webapp - Part 2

Plotly JavaScript library supports generating various charts. Java Servlet & JSP based web applications can use it to display graphical...

Draw graphs in Java webapp with Plotly - Tutorial

Plotly JavaScript library supports generating various charts. Java Servlet & JSP based web applications can use it to display graphical ...

Http basic authentication header: Learn with Java code sample

HTTP basic authentication with headers is one of the username & password based methods of securing access to web sites, web applications...

[Tomcat] Rename JSESSIONID cookie name & parameter identifier

Changing default JSESSIONID name of cookie and/or parameter is the objective. Deployed J2EE web applications use browser cookie or parameter...

[Ant] Build .WAR files in Eclipse for Web Applications

Eclipse JEE versions support Java Web Application projects, but other Eclipse versions do not. Java developers need to build WAR (web archiv...

[Tomcat] validateJarFile(servlet-api.jar) - jar not loaded. Offending class: javax/servlet/Servlet.class

org.apache.catalina.loader.WebappClassLoader validateJarFile INFO: validateJarFile(<APP_PATH>\WEB-INF\lib\servlet-api.jar) - jar not ...

Manage HTTP headers with Java Servlets: Quick Notes

In Java Servlets API, both HttpServletRequest and HttpServletResponse interfaces (in javax.servlet.http package) provide methods to prog...

Google Web Toolkit (GWT) & Servlets - Web application tutorial

Google Web Toolkit (GWT) and Java Servlets used in one web application. This tutorial will take you though the steps of developing a simpl...

Cellspacing vs cellpadding - Table attributes comparison

In HTML Tables (<table>) there are two attributes named, cellpadding and cellspacing . What is the different between cellpadding and...

Add css styles for gwt widgets

Adding Cascading styles (CSS) to Google Web Toolkit (GWT) widgets is much simpler and involves only two steps. Style name set style name ...

Set Cookies with GWT applications to expire after expected time period

Google Web Toolkit (GWT) supports HTTP cookies similar to other web technologies. GWT provides methods for setting cookies for specified ti...

Scrollable table with GWT

We came across a requirement to build a scrollable data table using Google Web Toolkit (GWT) because we had a limited space, but a growing ...

Open and read any file in a .war file of a web application with Java

Question: How can I open and read a file via Java inside a war file of a web application? Answer: InputStream can be used for this with ...

Margin Vs Padding - CSS Properties

CSS provides two properties named margin and padding for keeping space between HTML Box type elements. But why do we have two properties fo...