Urbanisation in Lagos: Causes, Impacts and Key Urban Terms
Key Urban Terms
Urban area — a built-up area such as a town or city.
Urbanisation — an increasing proportion of people living in urban areas.
Urban growth — an increase in the number of people living in a city.
Migration — the movement of people from one place to another.
Natural increase — when birth rates are higher than death rates.
Megacity — a city with a population of more than 10 million.
World city — a city with major global influence over finance, business, politics and culture.
Population
Read MoreDiversity of Life: Classification, Kingdoms and Plant Morphology
Diversity of Life
1. Biodiversity and the Need for Classification
Biodiversity is the variety of living organisms. Classification groups organisms, aids identification, avoids confusion from local names and shows similarities, differences and evolutionary relationships.
2. Artificial, Natural and Phylogenetic Classification
Artificial classification uses a few characters. Natural classification considers many characters. Phylogenetic classification groups organisms by evolutionary history and common
Read MoreAlgorithm Lab Experiments: Sorting, Searching, Greedy, DP and String Matching
Experiment 1: Insertion Sort
Aim: To implement Insertion Sort.
Theory: Insertion sort builds the sorted array one element at a time, like arranging playing cards in your hand. Each element (key) is inserted into its correct place in the already sorted left part by shifting larger elements right. It is stable, in-place and works best on small or nearly sorted data.
Algorithm:
- Start.
- Read
nand the arrayA. - For
i = 2ton, setkey = A[i]andj = i - 1. - While
j ≥ 1andA[j] > key, shiftA[j]toA[j+1]
Heap Sort Implementations in Python: Examples and Explanations
Heap Sort Implementations in Python
The following code samples demonstrate several heap sort implementations in Python, including min-heap and max-heap variants, along with related problems such as merging heaps, finding the closest pair of values, sorting dates, and sorting students by their weighted grade average.
Custom Alphabet Heap Sort
The first example maps each character to its index in a custom alphabet and sorts the characters using a min-heap.
a = [‘z’, ‘y’, ‘x’, ‘w’, ‘v’, ‘t’, ‘s’, ‘r’,
Read MoreInformation Security and the CIA Triad: Cyber Security Fundamentals
Week 3
Concept of Information Security and the CIA Triad
Information Security: protecting information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction.
- Confidentiality: our ability to protect our data from those who are not authorized to view it.
- Integrity: our ability to prevent our data from being changed in an unauthorized or undesirable manner.
- Availability: the ability to access our data when we need it.
The Growing Importance of Information
Read MoreHow Hitler, Nasser, Mao and Castro Gained and Kept Power
Hitler Gain of Power
Hitler rose to power because of Germany’s economic crisis, political instability and resentment after World War I. In 1919, he joined the German Workers’ Party, which later became the Nazi Party, and promoted nationalism, anti-communism and opposition to the Treaty of Versailles. In November 1923, he attempted to overthrow the Weimar Republic during the Beer Hall Putsch, but the coup failed and he was imprisoned. After his release, he decided to pursue power mainly through
Read MoreChemical Engineering Profile and Professional Trajectory
Essential Qualities of a Successful Chemical Engineer
A good chemical engineer working in a laboratory or research environment must combine strong scientific knowledge with practical skills and a responsible attitude. First, he or she should have a solid background in process engineering, unit operations, and quality control. This theoretical base is essential to design experiments, interpret data, and solve technical problems efficiently.
Secondly, a good researcher must be careful and methodical.
Read MoreFile Allocation Techniques in Operating System: Contiguous, Linked and Indexed
Explain Different File Allocation Techniques
(7 Marks Answer – Operating System)
Sabse pehle Hindi mein samjho 😊
File Allocation Techniques ka matlab hai hard disk mein files ko store karne ke liye disk blocks ko allocate karne ka tarika.
Operating System mein 3 main File Allocation Techniques hoti hain:
- Contiguous Allocation
- Linked Allocation
- Indexed Allocation
1. Contiguous Allocation
Definition: In this technique, ek file ke sabhi blocks disk mein continuously (ek ke baad ek) store hote hain.
Example:
Read MoreHistory of Labour Law: From Ancient Codes to the 19th Century
Ancient Foundations of Labour Regulation
The Code of Hammurabi (circa 1754 BCE)
The Code of Hammurabi is neither a civil code nor an employment code in the modern sense. However, it contains several ideas that foreshadow later employment regulation:
- Recognition of paid labour as a legal relationship.
- Standardised wages for particular occupations.
- Differentiation between skilled and unskilled workers.
- Rules governing temporary and seasonal labour.
- Legal accountability for negligent performance.
- State intervention
Python Basics: Operators, Logic, Loops, Strings, Functions, Lists, Dictionaries and File I/O
Python Basics, Operators, Logic and Loops
Syntax and Reading Code
Variables such as x, y, value, word, text, n, i, total, and result are ordinary variable names, not Python commands. x=5 assigns or reassigns a value, while == compares equality. Python runs statements from top to bottom, expressions follow operator precedence, and chained methods run from left to right: s.lower().title().
#starts a comment that is ignored.- Indentation groups blocks of code.
:begins anif,for,while, ordefblock.()