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Exceptions in Ruby

Exception is a unexpected output during execution of code in programing language. Due to exception execution of program stops.In Ruby, Exceptions are basically used to handle different type of errors, which may raise during execution of program a...

How to Create your own Exception handler in cakephp ?

Hello readers, today we will discuss a very important topic of a programming language "exception handling". Exception Handling is the process of catching errors which are generated by our program and then taking appropriate action accor...

Reading exception message while sending message using Twilio API

While using the Twilio APIs, we may get exceptions while sending the messages. i.e. If the phone number is not correct or twilio does not provide service in the recepient country or any other reason. In the case of exception, we must let the u...

To determine Infinity or Exception in Java

To determine Infinity or Exception in Java? Consider two programs in Java: Program 1: public class Demo { public static void main(String[] args) { double a = 1; System.out.println(a/0); } } Output ...

What is the difference between Error and Exception?

Error is the real something happen from exception. Exception is the way to catch the error. For example when you get the variable let say String str, we got Null Pointer. The error is because our variable has NULL value and it catch with Exceptio...

Exception Hnadling

Exception handling in java is a way to catch error or exception Exception is an event that can occur during the execution of the program. We use try catch and final to catch error. When an error occur in a method it creates an object of ...

A numeric only text box in web application

A lot many times when creating web applications it so happens that we need to accept numeric vales i.e. which accepts positive, negative numbers , whole numbers or decimal numbers. Its easy, show a message on the page that the particular field ne...

Java.lang.OutOfMemoryError: PermGen space

If you are facing following exception while running your code: Exception in thread "main" java.lang.OutOfMemoryError: PermGen space Default size of most of JVM Perm Space is around 64MB, it can easily ran out of memory if you have too man...
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