Servlet Filters: If you are a beginner in web application programming, then you have a doubt however the user unless logged in to the account access the resources. Most beginners don’t know how to solve this problem. This is avoided by using servlet filters. The basic functionality of the servlet …

Like other programming languages, Python has operators which help us to perform operations.As we know the operators perform operations on operands. A + B Here “+” is the operator and A and B are the Operands. The basic types of operators in Python: Arithmetic Operators Relational Operators (Comparision) Logical operators …

Like other programming languages python has standard data types, those are Numbers Strings List Tuple Dictionary In python, there is no explicit declaration of variables. As we know a variable is a reserved memory location to store specified data values. When a variable is created it reserves a space in …

Python Installation Checking: As python is most widely used language so before installing python in PC you must check if the PC has already python or not. To check python installation, type the below command in command prompt in windows. C:\Users>python --version Python 3.7.4 If you want to check in …

Why Python Python is general programming language unlike other programming languages.  According a survey Python is one of the most used programming languages. By using python programmer can develop desktop applications, websites and applications and GUI’s. Because of simple syntax python is more popular than other programming language. There are …

History of Python: Python is simple to use, but it is a real programming language, offering much more structure and support for large programs than shell scripts or batch files can offer. On the other hand, Python also offers much more error checking than C, and, being a very-high-level language, …

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  What is a Data Analysis and what is the role of a Data Analyst? A data analysis is a process which summarize the data sets or raw data. Data analysis is a process of examine, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, …

Characteristics of Web services: Loosely coupled: A web service consumer is not directly tied with web service. The web service interface can change over the period of time without clients intimation or compromising the clients ability to interact with the service. A tightly coupled system implies that the client and …

Components in Web service: Web services required three major components SOAP – Simple Object Access Protocol WSDL – Web Service Description Language UDDI – Universal Description Discovery and Integration SOAP is XML based protocol for accessing web services. It was recommended W3C (world wide web consortium) for communication between applications. …