Control Flow and Composite Data Types in Python
1. Strings
1.1 Using the format() Method to Format Strings
Use the format() method to format strings with the following syntax:
string_to_format.format(real_data1, real_data2, ...)
Description:
The string to be formatted uses {} as placeholders for the actual data.
Example 1:
name = 'Alice'
template = 'Name: {}'
print(template.format(name))
...
Posted on Mon, 21 Sep 2026 16:13:14 +0000 by shmony
Mastering Arrays in C: From Basic Concepts to Practical Applications
1. Array Fundamentals
An array is a contiguous block of memory that stores elements of the same data type. Unlike individual variables, arrays enable efficient storage and manipulation of multiple related values using a single identifier and an index.
2. One-Dimensional Arrays
2.1 Declaring One-Dimensional Arrays
The declaration processs follow ...
Posted on Sun, 20 Sep 2026 16:33:17 +0000 by ichversuchte
Comprehensive Python Fundamentals for Beginners
Data Types and Variables
Python uses indentation to organize code blocks, typically with 4 spaces. Use # for single-line comments. Each line represents a statement, and when a statement ends with a colon (:), the indented statements form a code block. Python is case-sensitive.
Integers
Python can handle arbitrarily large integers, including neg ...
Posted on Sun, 30 Aug 2026 16:49:23 +0000 by kpmonroe
Pointer Manipulation and String Operations in C
Finding Minimum and Maximum Values Using Pointers
Version 1: Passing Pointers for Min/Max Output
This approach uses output parameters through pointers to return both the minimum and maximum values from an array.
#include <stdio.h>
#define SIZE 5
void read_values(int arr[], int count);
void display_values(int arr[], int count);
void locat ...
Posted on Wed, 19 Aug 2026 16:51:53 +0000 by Joefunkx
Finding Min/Max Values, String Manipulation, and Pointer Usage in C
Task 1.1: Finding Minimum and Maximum in an Array Using Pointers
This program reads five integers into an array, then finds the minimum and maximum values using a function that modifies values through pointer parameters.
#include <stdio.h>
#define SIZE 5
void read_array(int arr[], int len);
void print_array(int arr[], int len);
void get_ ...
Posted on Wed, 19 Aug 2026 16:12:57 +0000 by bladecatcher
Fundamental Data Types in C Programming
Basic Data Types
Type
Descriptino
Memory Size (Bytes)
char
Character data
1
short
Short integer
2
int
Integer
4
long
Long integer
4
long long
Extended integer
8
float
Single-precision floating point
4
double
Double-precision floating point
8
Variables
Variables can be classified as local or global, representing values that ...
Posted on Mon, 10 Aug 2026 16:19:45 +0000 by mgallforever
Python Data Structures: Strings, Lists, Tuples, and Dictionaries
Strings
A string stores textual data. Defined using single or double quotes.
integer_var = 100
string_var = "sample text"
Output Formatting
employee = 'Bob'
job_title = 'Developer'
office = 'Innovation Hub, Floor 3'
print('-------------------')
print(f"Name: {employee}")
print(f"Position: {job_title}")
print(f&qu ...
Posted on Tue, 04 Aug 2026 16:33:03 +0000 by ricardo.leite
Essential Built-in Methods for Strings and Lists in Programming
Built-in Methods for Numeric Types (int and float)
The int() and float() functions are used for type creation and conversion.
# Type definition
age = 10 # Equivalent to age = int(10)
salary = 3000.3 # Equivalent to salary = float(3000.3)
# Type conversion
s = '123'
res = int(s) # Converts string of integers to int
print(res, type(res)) # O ...
Posted on Sat, 25 Jul 2026 16:46:40 +0000 by simwiz
Essential Methods for Python Strings, Lists, Tuples, Dictionaries, and Sets
String Operations
Whitespace Removal
text = '\n x yz \n'
print(text.strip()) # Removes leading and trailing whitespace and newlines
print(text.rstrip()) # Removes trailing whitespace only
print(text.lstrip()) # Removes leading whitespace only
Substitution
print(text.replace('x', 'X')) # Replaces all 'x' characters with 'X'
print(tex ...
Posted on Sat, 18 Jul 2026 16:57:46 +0000 by compphenom
Understanding sizeof Operator and strlen Function in C++
sizeof Operator
The sizeof operator represents a compile-time unary operator that yields the size in bytes occupied by an object or type. The result is a value of type size_t, which is an unsigned integral type capable of representing the size of any object in memory.
Key characteristics of size_t:
Machine-independent unsigned type
Large enoug ...
Posted on Tue, 30 Jun 2026 16:13:14 +0000 by php_man555