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Code Chronicles - A Caffeine-Fueled Journey into Data Software Engineering   (updated at May 12, 2024)   89  

Interning in Data Software Engineering was like entering a realm where coding meets caffeine-fueled euphoria.The excitement bubbled within me like an over-caffeinated potion as I delved into the world of zeros and ones.“Excitement is like caffeine for the ...
Code Chronicles - A Caffeine-Fueled Journey into Data Software Engineering

Python Tutorials for AP Computer Science Principles, Data Projects and High School Internship   (updated at May 10, 2024)   187  

Python is not just a programming language; it’s a gateway to opportunities in technology.Recognized for its versatility and ease of use,Python has become a staple in data analytics and machine learning,fields that are critical to the tech industry.Many tec...

Python Lists   (updated at May 10, 2024)   47  

Lists are used to store multiple items in a single variable.Lists are one of 4 built-in data types in Python used to store collections of data,the other 3 are Tuple,Set,and Dictionary,all with different qualities and usage.Lists are created using square br...
Python Lists

Python String Operations   (updated at May 10, 2024)   61  

You can return a range of characters by using the slice syntax.Specify the start index and the end index,separated by a colon,to return a part of the string.Slice From the Start.By leaving out the start index,the range will start at the first character:Sli...

Python Variables   (updated at May 10, 2024)   52  

Variables are containers for storing data values.Creating Variables.Python has no command for declaring a variable.A variable is created the moment you first assign a value to it.Variables do not need to be declared with any particular type,and can even ch...

Python Data Types   (updated at May 10, 2024)   58  

In programming,data type is an important concept.Variables can store data of different types,and different types can do different things.Python has the following data types built-in by default,in these categories:Text Type:str.Numeric Types:int,float,compl...

Python Getting Started   (updated at May 10, 2024)   75  

Many PCs and Macs will have python already installed.To check if you have python installed on a Windows PC,search in the start bar for Python or run the following on the Command Line (cmd.exe):To check if you have python installed on a Linux or Mac,then on...
Python Getting Started

Python Comments   (updated at May 10, 2024)   63  

Comments can be used to explain Python code.Comments can be used to make the code more readable.Comments can be used to prevent execution when testing code.Creating a Comment.Comments starts with a #,and Python will ignore them:Comments can be placed at th...

Python Comparison Operators   (updated at May 10, 2024)   53  

OperatorDescriptionExample.==,If the values of two operands are equal,then the condition becomes true.(a == b) is not true..!=,If values of two operands are not equal,then condition becomes true.(a != b) is true..If values of two operands are not equal,the...

Python Syntax   (updated at May 10, 2024)   53  

Execute Python Syntax.As we learned in the previous page,Python syntax can be executed by writing directly in the Command Line:Or by creating a python file on the server,using the .py file extension,and running it in the Command Line:Python Indentation.Ind...

Python Sets   (updated at May 09, 2024)   56  

Sets are used to store multiple items in a single variable.Set is one of 4 built-in data types in Python used to store collections of data,the other 3 are List,Tuple,and Dictionary,all with different qualities and usage.A set is a collection which is unord...

Python Tuples   (updated at May 09, 2024)   78  

Tuples are used to store multiple items in a single variable.Tuple is one of 4 built-in data types in Python used to store collections of data,the other 3 are List,Set,and Dictionary,all with different qualities and usage.A tuple is a collection which is o...
Python Tuples

Python Conditions and If statements   (updated at May 09, 2024)   84  

Python supports the usual logical conditions from mathematics::Equals: a == b,Not Equals: a != b,Less than: a < b,Less than or equal to: a b,Greater than or equal to: a >= b.These conditions can be used in several ways,most commonly in "if statements" and ...
Python Conditions and If statements

Python Dictionaries   (updated at May 09, 2024)   78  

Dictionaries are used to store data values in key:value pairs.A dictionary is a collection which is ordered*,changeable and do not allow duplicates.Dictionaries are written with curly brackets,and have keys and values:Dictionary Items.Dictionary items are ...
Python Dictionaries

Python While Loops/For Loops   (updated at May 09, 2024)   79  

The while Loop.With the while loop we can execute a set of statements as long as a condition is true.The while loop requires relevant variables to be ready,in this example we need to define an indexing variable,i,which we set to 1. .The break Statement.Wit...
Python While Loops/For Loops

Python Functions   (updated at May 09, 2024)   81  

A function is a block of code which only runs when it is called.You can pass data,known as parameters,into a function.A function can return data as a result.Creating a Function.In Python a function is defined using the def keyword: .Calling a Function.To c...
Python Functions

Python Arrays   (updated at May 09, 2024)   48  

Arrays are used to store multiple values in one single variable: Access the Elements of an Array.You refer to an array element by referring to the index number. .The Length of an Array.Use the len() method to return the length of an array (the number of el...

Python Lambda   (updated at May 09, 2024)   65  

A lambda function is a small anonymous function.A lambda function can take any number of arguments,but can only have one expression.Syntax.The expression is executed and the result is returned:Lambda functions can take any number of arguments:Summarize arg...
Python Lambda

Python Classes/Objects   (updated at May 09, 2024)   60  

Python is object-oriented.In Python,most things are objects with properties and methods.Class is an object constructor or "blueprint" for creating objects.Create a Class.To create a class,use the keyword class: .Create Object.Now we can use the class named...

Python Inheritance   (updated at May 09, 2024)   67  

Inheritance allows us to define a class that inherits all the methods and properties from another class.Parent class is the class being inherited from,also called base class.Child class is the class that inherits from another class,also called derived clas...

Python Iterators   (updated at May 09, 2024)   75  

An iterator is an object that contains a countable number of values.An iterator is an object that can be iterated upon,meaning that you can traverse through all the values.Technically,in Python,an iterator is an object which implements the iterator protoco...

Python Modules   (updated at May 09, 2024)   81  

What is a Module?.Consider a module to be the same as a code library.A file containing a set of functions you want to include in your application.Create a Module.To create a module just save the code you want in a file with the file extension .py:Use a Mod...

Python Polymorphism   (updated at May 09, 2024)   97  

The word "polymorphism" means "many forms",and in programming it refers to methods/functions/operators with the same name that can be executed on many objects or classes.Function Polymorphism.An example of a Python function that can be used on different ob...

Python Scope   (updated at May 09, 2024)   62  

A variable is only available from inside the region it is created.This is called scope.Local Scope.A variable created inside a function belongs to the local scope of that function,and can only be used inside that function.Function Inside Function.As explai...

Python Introduction   (created at Jun 12, 2023)   436  

Python is a popular programming language. It was created by Guido van Rossum, and released in 1991.It is used for:web development (server-side), software development, mathematics, system scripting. What can Python do?Python can be used on a server to creat...

Mastering Excel Data Manipulation with Python   (updated at Apr 26, 2024)   51  

Python provides an awesme feature can access Excel spreadsheet file that based on pandas.You can use the pandas library in Python to read an Excel file and store its data into a Python array. Here's a basic example:Replace 'your_excel_file.xlsx' with the p...

Python Arithmetic Operators   (created at Jun 14, 2023)   27  

OperatorDescriptionExample% ModulusDivides left hand operand by right hand operand and returns remainder20 % 10 = 0* MultiplicationMultiplies values on either side of the operator10 * 20 = 200** ExponentPerforms exponential (power) calculation on operators...

What is Python?   (created at Jun 12, 2023)   197  

Python is a genus of constricting snakes in the Pythonidae family native to the tropics and subtropics of the Eastern Hemisphere.In terms of programming language, Python was created by Guido van Rossum, and first released on February 20, 1991. While you ma...
What is Python?

Machine Learning Types and Programming Languages   (updated at Nov 29, 2023)   262  

In the area of Machine Learning Technology, threre are three different types of Machine Learning. You should make decision which type you want to use if you are trying to implement something. In Supervised Learning, we are given the data sets and already k...
Machine Learning Types and Programming Languages

ChatGPT Reset command and Ignore the Previous Response feature to have a Solid Result   (updated at May 16, 2024)   18  

The ChatGPT Reset Command is a feature that allows you to reset the conversation context and start fresh.This can be useful if you want to change the topic or start a new line of inquiry without any prior context influencing the conversation.Reset Command:...

ChatGPT Connectors makes the results Perfect as you expected   (created at May 10, 2024)   21  

Connectors are essential for structuring requests to ChatGPT in a clear,organized,and efficient manner.They facilitate natural language understanding and ensure that all aspects of your request are addressed,leading to more effective interactions with the ...

Difference between Java and Javascript   (updated at May 09, 2024)   146  

Java and JavaScript are two distinct programming languages that serve different purposes and have different capabilities,despite the similarity in their names.Here's a comparison to highlight their differences:Origin and Purpose:Java: Developed by Sun Micr...

Java Servlet Example   (created at Feb 19, 2024)   94  

Creating a quick servlet-based web application involves a few steps. You'll need to set up a development environment, create the necessary project structure, write servlet classes, configure the deployment descriptor (web.xml), and deploy the application t...

Creating a simple Java Servlet (Web Server Page) with Apache Maven on Microsoft Windows   (created at Jan 28, 2024)   164  

STEP 1. Install OpenJDK 17https://learn.microsoft.com/en-us/java/openjdk/download#openjdk-17 → select microsoft-jdk-17.0.10-windows-x64.msi → Install STEP 2. Install Mavenhttps://maven.apache.org/ → Download → apache-maven-3.9.6-bin.zip (or latest version)...
Creating a simple Java Servlet (Web Server Page) with Apache Maven on Microsoft Windows

Java Tutorials associated with AP Computer Science A   (updated at May 15, 2024)   149  

As you set sail on your journey through AP Computer Science A,you're about to delve into the exciting world of Java programming.With a treasure trove of resources at your disposal,let's embark on a guided tour through the essentials of Java,equipping you w...

Java Inner Classes   (updated at May 10, 2024)   122  

In Java,it is also possible to nest classes (a class within a class).The purpose of nested classes is to group classes that belong together,which makes your code more readable and maintainable.To access the inner class,create an object of the outer class,a...

Java Polymorphism   (created at Jul 18, 2023)   93  

Polymorphism means "many forms", and it occurs when we have many classes that are related to each other by inheritance.Like we specified in the previous chapter; Inheritance lets us inherit attributes and methods from another class. Polymorphism uses those...

Java Inheritance (Subclass and Superclass)   (updated at May 10, 2024)   83  

In Java,it is possible to inherit attributes and methods from one class to another.We group the "inheritance concept" into two categories::subclass (child) - the class that inherits from another class,superclass (parent) - the class being inherited from.To...

Java Packages   (updated at May 10, 2024)   108  

Java Packages & API.A package in Java is used to group related classes.Think of it as a folder in a file directory.We use packages to avoid name conflicts,and to write a better maintainable code.Packages are divided into two categories::Built-in Packages (...

Java Classes and Objects   (updated at May 10, 2024)   98  

Java is an object-oriented programming language.Everything in Java is associated with classes and objects,along with its attributes and methods.For example: in real life,a car is an object.The car has attributes,such as weight and color,and methods,such as...
Java Classes and Objects

Java Recursion   (updated at May 10, 2024)   86  

Recursion is the technique of making a function call itself.This technique provides a way to break complicated problems down into simple problems which are easier to solve.Recursion may be a bit difficult to understand.The best way to figure out how it wor...

Java Scope   (updated at May 10, 2024)   93  

In Java,variables are only accessible inside the region they are created.This is called scope.Method Scope.Variables declared directly inside a method are available anywhere in the method following the line of code in which they were declared:Block Scope.A...

Java Methods   (updated at May 10, 2024)   77  

A method is a block of code which only runs when it is called.You can pass data,known as parameters,into a method.Methods are used to perform certain actions,and they are also known as functions.Why use methods? To reuse code: define the code once,and use ...

Java While Loop/Do While Loop/For Loop/For-Each Loop/Break/Continue   (updated at May 13, 2024)   96  

Loops can execute a block of code as long as a specified condition is reached.Loops are handy because they save time,reduce errors,and they make code more readable.Java While Loop.The while loop loops through a block of code as long as a specified conditio...

Java Switch Statements   (updated at May 15, 2024)   81  

Instead of writing many if.else statements,you can use the switch statement.The switch statement selects one of many code blocks to be executed:Syntax:This is how it works::The switch expression is evaluated once.The value of the expression is compared wit...

Java Short Hand If...Else (Ternary Operator)   (updated at May 15, 2024)   56  

In the vast world of programming,efficiency is key.Every line of code counts,and developers constantly seek ways to streamline their scripts without compromising functionality.One such tool in the Java arsenal is the ternary operator,a concise alternative ...

Java If ... Else   (updated at May 15, 2024)   64  

You already know that Java supports the usual logical conditions from mathematics::Less than: a < b,Less than or equal to: a b,Greater than or equal to: a >= b,Equal to a == b,Not Equal to: a != b.You can use these conditions to perform different actions f...

Java Math   (updated at May 15, 2024)   73  

In the realm of Java programming,mathematics plays a pivotal role,empowering developers to perform a myriad of numerical operations with ease.At the heart of these capabilities lies the Java Math class,a treasure trove of methods designed to simplify compl...

Java Variables   (updated at May 15, 2024)   57  

Variables are containers for storing data values.In Java,there are different types of variables,for example::String - stores text,such as "Hello".String values are surrounded by double quotes,int - stores integers (whole numbers),without decimals,such as 1...

Java Comments   (updated at May 15, 2024)   87  

In Java programming,clarity and readability are paramount.As developers craft intricate algorithms and intricate logic,the need for comprehensive explanations becomes evident.Enter Java comments – a simple yet powerful tool for annotating code and enhancin...