Wisdom Stacks

2020-10 Select from among the following, classes which are stored in the java.sql package. Connection Writer Reader FileWriter ResultSet Answer: (a) Connection and (e) ResultSet The java.sql package is the foundation for Java Database Connectivity (JDBC) and contains classes and interfaces for interacting with databases. (a) Connection is an interface in the java.sql package used to establish a connection with a database. (e) ResultSet is an interface in the java.sql package used to hold data retrieved from a database after executing an SQL query. (b) Writer, (c) Reader, and (d) FileWriter are part of the java.io package, which is used for input and output operations, specifically character streams for the first two and file writing for the last two. They are not related to database connectivity. Java Packages — Quick Reference A compact, beginner-friendly list o...

2020-10 Which of the following statements is/are CORRECT regarding Business Process Re-engineering (BPR) and Business Process Improvement (BPI)? The level of change in BPI is incremental while that in BPR is radical. Risks associated with BPI are always higher than the risks associated with BPR. BPI aims to make an improved version of the business process while BPR attempts to create a brand-new business process. Compared to BPR, BPI can be completed in a shorter time period. BPR takes a top-down approach while BPI is a bottom-up approach. Answer: (a) The level of change in BPI is incremental while that in BPR is radial., (c) BPI aims to make an improved version of the business process while BPR attempts to create a brand-new business process., (d) Compared to BPR, BPI can be completed in a shorter time period., (e) BPR takes a top-down approach while BPI is a bottom-up...

2020-01 Which of the following is an example for Free and Open-Source Software? Microsoft Office Mac operating system Adobe Photoshop Google Docs GNU Image Manipulation Program Solution (e) GNU Image Manipulation Program GNU Image Manipulation Program (GIMP) is an example of Free and Open-Source Software (FOSS). FOSS refers to software that users are free to run, copy, distribute, study, change, and improve. Microsoft Office, Mac operating system , and Adobe Photoshop are proprietary software, meaning their source code is not openly available and their use is restricted by licensing agreements. Google Docs is a web-based application that is free to use but its source code is not open-source. 2021-01 Which of the following software pair is an example of Proprietary Software? macOS and Ubuntu Firefox and Adobe Flash Player Google Docs and Open Office Writer ...

2020-02 Which of the following hardware devices would show the most detailed view of graphical content? 3D camera CCTV camera Very-high resolution display device Web camera used to record lectures Airplane's black box Solution The correct answer is (c) Very-high resolution display device. A very-high resolution display device is designed to output and present graphical content with a high level of detail, allowing for a clearer and more intricate visual experience. "Very-high resolution display devices that will show content in incredible detail and dramatically improve the viewing experience (think clarity and resolution way beyond 1080p HD)" [1] The other options are primarily input or recording devices, or a data recorder, and are not designed for displaying content in detail: (a) 3D camera: An input device that captures images in three dimensions. (b) CCTV camera: An input device used for ...

Boolean Precedence Visualizer Enter a Boolean expression using T (true), F (false), ! (NOT), && (AND), || (OR), and () . Click 'Evaluate' to see the order of operations. Evaluate Evaluation steps will appear here. Operator precedence in Boolean algebra Operator precedence (also called operator order) tells you which Boolean operation is evaluated first when an expression contains several operators and no parentheses. Using precedence correctly avoids ambiguity and helps you evaluate or simplify expressions step by step. Common precedence order (highest → lowest) Priority Operator(s) Typical symbol(s) Description 1 (highest) Parentheses / Grouping ( ... ) Force evaluation of the grouped subexpression first 2 NOT (negation) ¬, !, ~ ...

A. Setting up Google sheets Make two columns in your spreadsheet. The first column should be called "Date" and the second column should be called "Visitors". B. Add get and post methods in Apps Script Your Spreadsheet ID, is in between d/{spreadsheet ID}/edit const SPREADSHEET_ID = "Your spreadsheet ID"; const SHEET_NAME = "Sheet1"; function doGet(e) { if (e.parameter.log) { incrementToday(); } return getHeatmapData(); } function incrementToday() { const ss = SpreadsheetApp.openById(SPREADSHEET_ID); const sheet = ss.getSheetByName(SHEET_NAME); const today = Utilities.formatDate(new Date(), ss.getSpreadsheetTimeZone(), "yyyy-MM-dd"); const data = sheet.getDataRange().getValues(); let found = false; for (let i = 0; i { if (row[0] && row[1]) { result[Math.floor(new Date(row[0]).getTime() / 1000)] = Number(row[1]); } }); const callback = "handleCalData"; // JSON...