What Is Dependency Injection/ Inversion of Control And How Does It Helps In Loose Coupling?

What Is Dependency Injection/Inversion of Control And How Does It Help In Achieving Loose Coupling?

How to View Live Tomcat Logs/Output On Linux?

When you run tomcat on linux with startup.sh shell script, unlike windows console, you won’t see complete logs. You will only see this

But , almost every time, you will be required to see the logs. Tomcat saves its logs in a…

java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config

I created a Maven (maven-archetype-webapp) application and applied mvn eclipse:eclipse on it to make it compatible with Eclipse. When I ran the project I hit this exception:

How To Create A Speech Balloon With Pure CSS?

Goal

The goal of this post is to help you understand how to create a speech balloon with pure CSS without using any image.

Quick Code

HTML

log4j style logging in Javascript

Are you from a Java background? Did you love working with log4j? Do you miss log4j style logging in Javascript? Worry no more, because with a few lines of code, you can achieve log4j style logging in your JS code.

Here’s how you can use log4j style logging in your code:

SpringSecurity: Capturing RememberMe Success Event

I really like Spring Security because with very little configuration, you can add a bunch of powerful features to your application. Form based logins, auto-logins based upon remember me cookies, password hashing, session management, powerful…

How To Create Triangles With HTML/CSS?

Triangles are useful for creating different types of design artifacts on a website, particularly speech balloons. HTML/CSS has no explicit way of creating triangles therefore some people use triangle images instead. However there is a small hack with which one…

Fixing splice() In Older Versions Of Internet Explorer (8 And Olders)

When working with Javascript arrays, splice() is an invaluable function that helps conveniently add/remove elements to them. The definition of splice() looks like this: