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Assignment 3 – Web Scraping INDIVIDUAL ASSIGNMENT (1) Do the following IN YOUR BROWSER, no programming required. Please write down your answers (concise written answers please). Use your browsers development tools. Open the network tab and analyze the network for the following: Copyright By PowCoder代写 加微信 powcoder a) go to https://www.ebay.com and search for “lg […]
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CS 581, Winter 2022 Homework 2 (Abstract Syntax) Important Reminders! 1. Upload your solution as a Haskell file (ending in .hs) to Canvas. 2. Only submit files that compile without errors! (Put all non-working parts in comments.) Copyright By PowCoder代写 加微信 powcoder 3. You must do all homework assignments by yourself, without the help of
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Homework 4: Make a Website (Deadline as per Canvas) This homework deals with the following topics: ● Reading and writing files Copyright By PowCoder代写 加微信 powcoder ● Scraping and parsing information from a text file ● Very basic HTML ● Unit testing General Problem Specification The basic skeleton of a website is an HTML page.
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Winter 2022 Midterm APS1070 University of Toronto Faculty of Applied Science and Engineering Midterm – Limited 2.5-Hour Window Copyright By PowCoder代写 加微信 powcoder (Feb 15 at 9:00am to Feb 16 at 3:00pm) APS1070 – Foundations of Data Analytics and Machine Learning Examiner: and Sinisa Colic Please read the instructions and honour agreement below carefully. Family
Foundations of Data Analytics and Machine Learning Summer 2022 Week 3: Foundations of Learning • K-NearestNeighbors • DecisionTrees Copyright By PowCoder代写 加微信 powcoder • Clustering 10 min quick review! Data pre-processing ØWhy is splitting the dataset needed? ØWhy is standardization needed? ØErrors (what could go wrong): ØHaving multiple train-test-splits in the code. ØStandardizing the data
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Relational Model ERD Checklist Making a good ERD Copyright By PowCoder代写 加微信 powcoder ERD Chens Notation ERD Min/ Notation Correctness Validation Building the right model? All the requirements modeled? Nothing missing or added? Verification Building the model right? Completed with correct notation? ERD Diagram Checklist Only enduring and necessary real-world concepts Every thing is defined
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Database Design Database Application Programming Copyright By PowCoder代写 加微信 powcoder Need for Database programming Database programming techniques Embedding SQL in applications Stored Procedures Database Programming Most database access is not via raw SQL queries (stored, console, or script) Nobody expects users to write queries to place an order at Amazon, or to check their class
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Relational Model PART I – SELECT Copyright By PowCoder代写 加微信 powcoder SQL Commands Create, Drop, Rename, Alter (Truncate)* Update, Delete, Insert Commit, Rollback (Savepoint)* (Grant, Revoke)* * Not covered this semester The DROP Command DROP command Used to drop named schema elements, such as tables, views, domains, or constraints Drop behavior options: CASCADE and RESTRICT
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Relational Model Tuple Relational Calculus Copyright By PowCoder代写 加微信 powcoder Operations of Relational Algebra Operations of Relational Algebra Tuple Relational Calculus Basics Basics: Variables & Range Relations Expressions Existential and Universal Quantifiers Relational Algebra vs. Relational Calculus RA: Basic operations for relational model RC: Higher-level declarative language for specifying relational queries Relational Algebra and Relational
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