AJS
Expression Examples in AJS
Example : A basic Expression program in AJS to evaluate operation. Example : An AJS program to handle Object Expression.
Python Theory
File Handling in Python
Introduction File handling in Python allows us to read, write, and manipulate files (text or binary) stored on our system. Python provides several built-in functions to work with files such as open(), remove(), write(), etc. Definition A file in Python is a storage unit on a computer where data can be Read more…
Data Visualisation
Filters in Tableau
Definition Filters in Tableau allow users to control and refine the data displayed in visualizations. Characteristics Basic Filters help limit the data based on user-defined conditions. Types of Filters There are three main types of basic filters used in Tableau :- Dimension Filters Measure Filters Date Filters Dimension Filters This Read more…
Data Visualisation
User Interface in Tableau
Tableau provides a user-friendly drag-and-drop interface designed for data visualization and analysis. Below is a breakdown of its key components. Tableau’s intuitive UI makes it easy to analyze data using Sheets, Dashboards, and Stories. The Menu, Toolbar, and Data Window help manage data and create impactful visualizations. Understanding data types Read more…
Data Visualisation
Operators in Tableau
Operators in Tableau are used to perform calculations, comparisons, and logical operations within calculated fields and formulas. These operators help in data transformation, filtering, and decision-making. Types of Operators in Tableau Tableau provides General, Arithmetic, Relational, and Logical operators to create powerful calculations and filters in dashboards. They are categorized Read more…
Data Visualisation
Built-In Functions in Tableau
Types of Built-In Functions Tableau provides several types of built-in functions that are used to manipulate and analyze data in calculated fields. Tableau functions help in data transformation, calculation, and analysis. These functions are categorized into:- Number Functions (Math operations) String Functions (Text manipulation) Date Functions (Date calculations) Logical Functions Read more…
Python Theory
String in Python (Examples)
Example : A Python program to Reverse each character of the String word. Example : A Python program to Reverse each word of the String Sentence. Example : A Python program to check whether the String is Palindrome. Example : A Python program to display the Output in a Formatted Read more…
Python Theory
Regular Expressions in Python (Examples)
Example : How to remove Extra Space from a String using Regular Expressions sub() function in Python. Example : How to Validate a Phone Number from a String value using the Regular Expressions match() function in Python. Example : How to validate a String value with the required pattern for Read more…
Python Theory
Regular Expression in Python
Definition Regular expressions (regex) are a powerful tool in Python that are used for matching desired patterns in strings/text. Features regex allow to search, match, and manipulate strings based on patterns. We can test our regex patterns using tools like regex101.com. ‘re’ Package/Module Functions Python provides the ‘re‘ (regular expression) module/package, Read more…
Python Theory
String in Python
Definition In Python, a string is a sequence of characters enclosed within single (‘ ‘), double (” “), or triple quotes (”’ ”’ or “”” “””). Strings are immutable, i.e. they cannot be changed after creation. Strings in Python are powerful and come with many built-in methods for manipulation. String Read more…