Variables & Environnement
set : affiche toutes les variables + fonctions du shell
set | more : pagine les résultats
printenv : affiche les variables d’environnement (plus lisible)
unset var1 : supprime la variable var1
$PS1 : personnalise le prompt (PS1='---', PS1='\u', PS1='\w')
$PATH : chemins de recherche des commandes
export var2 : rend var2 accessible aux autres shells
env : affiche les variables exportées uniquement
Délimitation : echo j’aime ma ${var1}maman
set -u : erreur si variable...
Characteristics:
Human-like Intelligence: Strong AI possesses reasoning, perception, and understanding comparable to humans.
Self-awareness: It can think, understand emotions, and make independent decisions.
Generalization: It can apply knowledge from one domain to another.
Learning and Adaptation: It continuously improves through experience without explicit programming.
Autonomous Decision-Making: Capable of performing complex tasks
The Impacts of Gadgets on Children’s Development During the COVID-19 Pandemic
During the COVID-19 pandemic, children’s use of gadgets unprecedentedly surged , reshaping how they learn, socialize, and manage stress. This sudden increase in screen time precipitates debates about its effects on children’s development. This paper explores both the positive and negative impacts of gadgets during this period. It will discuss how interactive apps can foster creativity and problem-solving, how gadgets...
Genetics (Biology)
DNA & RNA
Cells & Division
Chromosomes
Inheritance
INTRODUCTION TO PLANT CONTROLS MANU 386 Unit 1.2 C HR I S T OP H S I E L M A NN, P H. D . , P . E NG. 2 MODULE 1.2: INTRODUCTION TO CONTROLS • Introductory topics on control systems • Focus on distributed control systems – particularly relevant to industrial automation. • More lectures on control systems will follow. • Learning outcomes for Module 1.2: Introduction to Controls • Describe the components of a control system. • Define three types of variables associated with a control...
Glycolipids are least abundant lipids with a backbone made of sphingosine and contains two tails usually both saturated and heads with polar sugar groups ALWAYS found on the non-cytosolic leaflet (signaling and recognition using these happens in extracellular) Sterols are Second most abundant lipids with a rigid ring structured backbone with one short tail and a small head group that is found on both leaflets unsym. distribution of these different types of lipids in the biological bilayer (PS with
The phrase “law at the edge of empire,” used by historian Peter Hoffer, really shows how messy and complicated the treaties between the British and Indigenous peoples were during colonization. Hoffer meant that these treaties sat in a space where British law met Indigenous law, and neither side saw things the same way. The British wanted treaties to bring Indigenous nations into their legal system, but Indigenous peoples already had their own laws, customs, and governments. Because of that,
Problem checks: SAT ∈ NP because a Boolean assignment is a polynomial-size certificate and we can evaluate the formula in polynomial time.
Reduction (construction):
Given a circuit made only of NAND gates (each gate has two inputs which are either an input wire, a constant T/F, or an earlier gate output), make one Boolean variable for each circuit input and one variable for the output of each gate. For each gate z = NAND(a,b) add CNF clauses that force z to equal ¬(a ∧
Lectures:
Lecture 7: Economic Frameworks to Study the World Food Problem - Demand, Supply, Elasticity. The Demand Curve follows the Law of Demand: as price falls, quantity demanded rises, causing a downward slope. This is due to Diminishing Marginal Utility (less satisfaction from extra units) and Heterogeneity in Demand (different people have different willingness to pay). The entire demand curve can shift based on changes in consumer incomes, tastes, or the prices of other goods. The Supply Curve...