College Courses Data Mining Quizzes Data Mining Quiz 1 Data Mining can be said to be a process designed to detect patterns in data sets. In unsupervised learning, the learning algorithm must be trained using data attributes that have been paired with an outcome variable. (read more) by Oj Obasi - April 6, 2023, 1:56 p.m.
College Courses Data Mining Quizzes Data Mining Quiz 2 True or False: NoSQL databases provide greater performance at the expense of availability. Which of the following is an example of a parametric approach. (read more) by Oj Obasi - April 6, 2023, 1:56 p.m.
College Courses Data Mining Quizzes Data Mining Quiz 3 The income of a company that produces disaster equipment has been expressed as a linear regression model based upon the input variable which is the number of hurricanes projected for the upcoming hurricane season. The model is express as Y = mX + b where Y is the estimated sales in millions of dollars, m = .76 and b = 5. Assuming that the weather service is predicting 6 hurricanes during the season what are the sales in millions of dollars expected to be? (read more) by Oj Obasi - April 6, 2023, 1:47 p.m.
College Courses Data Mining Quizzes Data Mining Quiz 4. True/False: Supervised Learning Features Both Input Variables Or Attributes And An Output Or Predicted Variable. True/False: Supervised learning features both input variables or attributes and an output or predicted variable. The sales of a company (in million dollars) for each year are shown in the table below, identify the linear regression model in the form y=mx+b and report the values of m (slope) and b (intercept) as well as the estimated value of y when the value of x is 10. (read more) by Oj Obasi - April 6, 2023, 2:55 p.m.
Mobile Development Android Setting Up Grpc For Android Development With Gradle Kotlin Dsl In this tutorial, we will configure gRPC for an Android project using Gradle Kotlin DSL. gRPC is a high-performance, open-source universal RPC framework that can handle communication between Android clients and server-side services. We will walk through configuring the build.gradle.kts files at both the project and app-level, set up dependencies, and configure Protobuf code generation for gRPC services. (read more) by Oj Obasi - Oct. 6, 2024, 6:14 a.m.
Operating Systems Linux Why Linux Is Considered The Most Secured Operating System Linux prioritizes security through Enhanced Security Modules such as SELinux and AppArmor, implementing mandatory access controls and limiting user privileges where necessary. It also benefits from the Portable Operating System Interface (POSIX) for standardized security features. Linux's filesystem security is enhanced by integrated security modules, which control and monitor file operations in detail. (read more) by Oj Obasi - Oct. 6, 2024, 5:50 a.m.
Python Web Scrapping Ecommerce How To Create A Url Preview Link Python & Js How to create a URL preview link Python & JS. We use Python and Javascript to create a simple link preview. (read more) by Oj Obasi - July 19, 2024, 4:20 a.m.
Big Data Intro Five V'S Of Big Data Big data is characterized by various Vs most prominent being volume, velocity and variety. Big data Vs are used to define big data. Big data can be data that is of enormous magnitude that requires specialized tools beyond our simple data management tools. Big data comes from varied heterogeneous sources. (read more) by Oj Obasi - July 15, 2024, 12:36 p.m.
Big Data Three Main Threats To Big Data Security For Organizations Big data organizations are using big data to create change in different industries. The Internet industry, E-commerce industry, Telecommunication industry, and Medical industry make up the common big data organizations today. Beyond the extraordinary promises of big data, there are a lot of security and privacy challenges these big data organizations face. (read more) by Oj Obasi - July 15, 2024, 12:27 p.m.
College Courses Artificial Intelligence Quizzes Unsupervised Learning - Building Anomalous Detection Systems You are building a system to detect if computers in a data center are malfunctioning. You have 10,000 data points of computers functioning well, and no data from computers malfunctioning. What type of algorithm should you use? (read more) by Oj Obasi - July 24, 2023, 3:29 a.m.
College Courses Artificial Intelligence Quizzes Applying Machine Learning Practice Quiz True/False? It is always true that the better an algorithm does on the training set, the better it will do on generalizing to new data (read more) by Oj Obasi - June 7, 2023, 1:40 a.m.
Python Data Structures List Python List Methods Python's list methods provide a robust set of tools for data manipulation. Whether adding or removing elements, sorting, or searching, these methods enable us to unleash the full potential of lists in our Python programs. You'll be well-equipped to handle various data manipulation tasks efficiently and effectively by mastering these techniques. (read more) by Oj Obasi - June 5, 2023, 1:44 p.m.
Python Data Structures String Python String Methods Isprintable() The isprintable() method will return True if all the characters are printable, else False. (read more) by Oj Obasi - May 31, 2023, 2:37 p.m.
College Courses Web Development Quizzes Web Development College Quiz 6 How do you join strings in PHP? What is an example of an open source shopping cart PHP application? Which extensions aren't available in used Joomla? (read more) by Oj Obasi - May 6, 2023, 11:34 a.m.
College Courses Web Development Quizzes Web Development College Quiz 5 Given that a database table has a field called FirstName, which code displays an element or field from the database record?. True or False: PHP generated PDF files can use custom fonts. (read more) by Oj Obasi - May 6, 2023, 11:15 a.m.
College Courses Web Development Quizzes Web Development College Quiz 4 True or False: PHP can not generate images, which are diferent each time a user visits the page. Which PHP function issues a command or query to the database? (read more) by Oj Obasi - May 6, 2023, 10:55 a.m.
College Courses Web Development Quizzes Web Development College Quiz 2 True or False: Apache is called httpd on a Linux server. What is the most common extension for a source code package? What command extracts a tarball archive file? (read more) by Oj Obasi - May 6, 2023, 10:33 a.m.
College Courses Web Development Quizzes Web Development College Quiz 3 What is a correct way to add a comment in PHP? What feature allows users to modify content in Drupal? True or False: Drupal cannot be used for large organizations (read more) by Oj Obasi - May 6, 2023, 10:25 a.m.
College Courses Web Development Quizzes Web Development College Quiz 1 What is the name given to Internet technologies supporting user collaboration and data exchange? What are advantages of scripted applications over compiled applications? Choose all that apply.What are examples of a scripted language? Choose all that apply. (read more) by Oj Obasi - May 5, 2023, 2:16 p.m.
Java Data Structures String Which Of The Following Is Not A Valid Identifier In Java? Quiz question: Which of the following is NOT a valid identifier in Java? (read more) by Oj Obasi - May 5, 2023, 4:25 a.m.
Java Data Structures String In A For Loop, How Many Times Does The Initialization Run? Quiz Question: In a for loop, how many times does the initialization run? (read more) by Oj Obasi - May 5, 2023, 4:22 a.m.
Python Unit Testing Get Started With Python Unit Testing When writing a program, it is our intention that the end program runs as we intended in production. One way to ensure the programs we write will do exactly what we intended is to write unit test code for such programs. (read more) by Oj Obasi - April 18, 2023, 2:46 p.m.
Java Data Structures String The Switch Statement In Java In Java the switch statement is considered a branching statement. It gives you a way to test expression and depending on the value, takes you to the desired location satisfying such expression. (read more) by Oj Obasi - April 15, 2023, 10:24 a.m.
College Courses Java Programming Quizzes Which Of The Following Can A Class Not Be Used For? Quiz question: Which of the following can a class NOT be used for? (read more) by Oj Obasi - April 15, 2023, 3:30 a.m.
