Information Brisked Up
Browse through some core technical topics
Let me give you an introduction. If you want to skip and jump quickly into the implementation part then scroll down to the Examples section. First of all, what is an SQL Expression? It’s a combination of one or more values, operators and SQL functions that evaluates to a value. We usually use queries combined […]
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Many of us have been playing around with Socket.IO to enable real-time communication. Still thought of sharing some (more) information. In this post I will not go in deeper to explain the implementation as it’s clearly mentioned on the Socket.IO site. I will publish another post in detail on integrating Socket.IO with a Spring web […]
Continue ReadingWe all have noticed the introduction of a number of online code editors over the years. They provide an online learning environment. The biggest advantage of all these is that you can save much of your time in testing some code parts. Also within minutes, do any experimental work online without wasting your system’s memory […]
Continue ReadingIt is hard to think of not having the best and most popular video sharing site YouTube when we are in search of a video. It is even harder if you find the video taking a long time to load/play. Also, when you try to backward or forward a video, it will force the video to […]
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To start with, what does an Exception mean? It is an event that disrupts the normal flow of a program’s execution. When an exception is thrown from inside a method, the Java Runtime System attempts to find an ordered list of methods that had been called to reach the method where the error occurred. This […]
Continue ReadingExecution of multiple threads/tasks on a single processor is called Thread Scheduling. Scheduling can mainly be of two types. 1) Preemptive scheduling 2) Time-sliced scheduling In Preemptive scheduling, the thread with the highest priority runs first. it keeps running until it reaches wait or dead stage or a higher priority thread comes. In Time-sliced scheduling, […]
Continue ReadingMany of the web based systems rely on web services for platform independent communication between components or applications. Soap UI is one of the most popular web service testing tools that I have come across. By taking our WSDL file as input, it does the work. The easy-to-use graphical interface makes it simple to work […]
Continue ReadingAs you all know, errorPage attribute of JSP page directive is used to take the user to an error page (which may be common for all the pages) in case of any exceptions. Guess what will be the result if we try to load the following JPS files. 1) first.jsp it has the following statements […]
Continue Reading8 primitive types in java are int, char, byte, float, double, boolean, short and long. Everything in java is not an object. Primitive datatypes are included in java for performance reasons. For primitive types, we don’t use the new keyword. Using new will place the objects in heap, which would be very costly for small […]
Continue ReadingSometimes we will need our application to do a conversion between file formats. Out of these the most common is any format to PDF. Have a look @ this It is the JOD converter that can be used for this. It has a good number of input and output file format options. You can download […]
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