Given a character sequence and a defined document unit, tokenization is the task of chopping it up into pieces, called tokens, perhaps at the same time throwing away certain characters, such as punctuation. In the context of nltk and python, it is simply the process of putting each token in ... Read More

In fiber optic communication, signals are transmitted through an optical fiber. This is based upon certain characteristics of light, namely refraction and total internal reflection.RefractionWhen a light ray goes from a denser transmission medium to a rarer one or vice versa, then its direction changes at the interface of the ... Read More

Fiber optic cables are finding increasing usage due to a number of advantages over the traditional copper wires. However, there are a few flipsides in its usage too.Advantages of Fiber Optics Cables over Copper WiresFiber optic cables transmit data at much higher speed than copper wires. This is because the ... Read More

In this case, MySQL will return an error message because we know that if sub-query is used to assign new values in the SET clause of UPDATE statement then it must return exactly one row for each row in the update table that matches the WHERE clause.Examplemysql> insert into info(id, ... Read More

We need to specify ASC (short form for ASCENDING) keyword in ORDER BY clause if we want to sort out the result set in ascending order.SyntaxSelect column1, column2, …, columN From table_name ORDER BY column1[column2, …] ASC;ExampleIn the following example, we have sorted the result set by column ‘Name’ in ... Read More

Class declarationpublic class CopyOnWriteArrayList    extends Object implements List, RandomAccess, Cloneable, SerializableCopyOnWriteArrayList is a thread-safe variant of ArrayList where operations which can change the ArrayList (add, update, set methods) creates a clone of the underlying array.CopyOnWriteArrayList is to be used in a Thread based environment where read operations are very ... Read More

This article provides an example of how to create a simple JDBC application. This will show you how to open a database connection, execute a SQL query, and display the results.Creating JDBC ApplicationThere are following six steps involved in building a JDBC application −Import the packages: Requires that you include ... Read More

Coupling refers to the usage of an object by another object. It can also be termed as collaboration. This dependency of one object on another object to get some task done can be classified into the following two types −Tight coupling - When an object creates the object to be used, ... Read More

We can read paragraphs in a file by reading it in a string and then spilting based on "\r" pattern. See the example below −ExampleConsider the following text file in the classpath.test.txtThis is Line 1 This is Line 2 This is Line 3 This is Line 4 This ... Read More

We can read characters in a file using BufferedReader class of Java. See the example below −ExampleConsider the following text file in the classpath.test.txtThis is Line 1 This is Line 2 This is Line 3 This is Line 4 This is Line 5 This is Line 6 This is Line ... Read More