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Testing con Python - De código roto a código confiable

Alvaro Eduardo Garzon Pira

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Unit testing con pytest: fixtures, mocks, fakes, TDD e inyección de dependencias aplicados a proyectos Python reales

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Spanish (Colombia)

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Level: All Levels

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Duration: Self-paced

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Instructor: Alvaro Eduardo Garzon Pira

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JCL Interview Questions and Answers Preparation Practice Test | Freshers to Experienced Welcome to the ultimate JCL Interview Questions Practice Test course, where you will master the Job Control Language (JCL) and excel in your job interviews! Whether you're a beginner exploring the realms of mainframe programming or a seasoned professional aiming to refine your skills, this course is designed to equip you with comprehensive knowledge and expertise in JCL through targeted practice tests.This meticulously crafted course focuses solely on providing you with an extensive array of interview questions and practice tests, ensuring that you are thoroughly prepared to tackle any JCL-related interview scenario. With six meticulously curated sections covering various aspects of JCL, each packed with detailed subtopics, you'll delve deep into the core concepts and intricacies of this vital mainframe language.Section 1: JCL Basics In this section, you'll lay the foundation of your JCL knowledge by exploring essential concepts such as JCL overview, components, job statements, control statements, execution process, and syntax and structure. By mastering these fundamentals, you'll build a solid understanding of how JCL functions and its crucial role in mainframe environments.Section 2: JCL Statements Delve into the nuances of JCL statements, including EXEC, DD, IF, ELSE, PEND, and SET statements. Through targeted practice questions, you'll gain proficiency in crafting and utilizing these statements effectively to control job execution, manage datasets, and implement conditional processing in your JCL programs.Section 3: Data Management Unlock the secrets of efficient data management in JCL with topics such as dataset definitions, cataloged and uncataloged datasets, allocation and deallocation, dataset disposition, and dataset attributes. By mastering these concepts, you'll become adept at handling datasets within your JCL jobs with precision and expertise.Section 4: Conditional Processing Navigate the complexities of conditional processing in JCL, including IF-THEN-ELSE structures, conditional abend codes, the COND parameter, EXIT statements, and handling conditional logic. Through hands-on practice tests, you'll sharpen your skills in implementing conditional logic and managing job flow based on specific criteria.Section 5: Job Scheduling and Dependency Explore the intricacies of job scheduling and dependency management in JCL, covering topics such as scheduling options, time and date parameters, priority and class parameters, job dependency, triggering jobs, and handling dependencies effectively. By mastering these concepts, you'll be well-equipped to manage job schedules and dependencies in diverse mainframe environments.Section 6: JCL Utilities Dive into the realm of JCL utilities and learn how to leverage them effectively for various tasks. Topics include the SORT utility, IEBCOPY utility, IEBGENER utility, IDCAMS utility, IEBDG utility, and practical examples of utility usage. Through hands-on practice tests, you'll gain practical experience in utilizing JCL utilities to streamline your mainframe operations.Throughout the course, you'll have access to a wealth of practice questions meticulously designed to simulate real-world interview scenarios. With detailed explanations and rationale provided for each question, you'll not only test your knowledge but also gain valuable insights into the thought process behind each answer.Sample Practice Test Questions:Question 1: Which JCL statement is used to define a new dataset in a job step?A) DEFINEB) CREATEC) DDD) ALLOCATEExplanation: Correct Answer: C) DDIn JCL, the DD (Data Definition) statement is used to define datasets within a job step. This statement specifies the attributes and characteristics of the datasets to be used or created during job execution. The DD statement is essential for tasks such as allocating datasets, specifying input and output files, and managing dataset disposition. Options A, B, and D are incorrect as there are no statements such as DEFINE, CREATE, or ALLOCATE in JCL for dataset definition.Question 2: What is the purpose of the IF-THEN-ELSE construct in JCL?A) To define dataset attributesB) To perform conditional processingC) To specify job scheduling parametersD) To manage dataset dispositionExplanation: Correct Answer: B) To perform conditional processingThe IF-THEN-ELSE construct in JCL is used for conditional processing, allowing the job to execute different sets of instructions based on specific conditions. It provides flexibility in job execution by enabling the execution of alternative job steps depending on whether certain conditions are met or not. Options A, C, and D are incorrect as they do not accurately describe the purpose of the IF-THEN-ELSE construct in JCL.Question 3: Which utility is commonly used in JCL for sorting records within datasets?A) IDCAMSB) SORTC) IEBCOPYD) IEBGENERExplanation: Correct Answer: B) SORTThe SORT utility in JCL is commonly used for sorting records within datasets based on specified criteria such as key fields. It provides powerful sorting capabilities and can handle large volumes of data efficiently. Options A, C, and D are incorrect as they refer to other utilities used for tasks such as dataset management, copying datasets, and generating data, respectively.Question 4: What does the COND parameter in JCL allow you to specify?A) Job priorityB) Job classC) Condition code for job terminationD) Job execution timeExplanation: Correct Answer: C) Condition code for job terminationThe COND parameter in JCL allows you to specify a condition code that determines whether the job should be terminated or continued based on the completion status of preceding job steps. By defining conditional logic using the COND parameter, you can control the flow of job execution and handle different scenarios dynamically. Options A, B, and D are incorrect as they do not accurately describe the purpose of the COND parameter in JCL.Question 5: Which JCL statement is used to execute a program or utility within a job step?A) EXECB) RUNC) CALLD) STARTExplanation: Correct Answer: A) EXECThe EXEC (Execute) statement in JCL is used to specify the program or utility to be executed within a job step. It is followed by the name of the program or utility to be invoked and may include additional parameters and options. The EXEC statement plays a crucial role in defining the sequence of job steps and executing various tasks within a JCL job. Options B, C, and D are incorrect as they do not represent valid JCL statements for program execution.These sample practice test questions are designed to assess your understanding of key concepts and principles in JCL. By reviewing the explanations provided for each question, you'll not only test your knowledge but also gain insights into the rationale behind each answer. Keep practicing to strengthen your skills and ace your JCL interviews!Enroll now in the JCL Interview Questions Practice Test course and embark on a journey towards mastering the intricacies of Job Control Language. Whether you're aiming for entry-level positions or seeking to advance your career in mainframe programming, this course will arm you with the confidence and expertise to excel in your JCL interviews and stand out as a top candidate in the competitive job market.

Web Development AI: Claude AI For Front End Web Development

Udemy Instructor

Master Claude AI for Front-End Web Development – Build Modern Websites Faster Using Claude AI (Beginner Friendly - No code Development)Welcome to your practical course on using Claude AI for front-end web development to plan, build, improve, debug, and optimize modern websites faster.Designed for beginners, aspiring web developers, freelancers, designers, entrepreneurs, students, and professionals, this course provides a practical framework for using Claude as an AI-powered coding assistant throughout the front-end development process.You will learn how to use Claude to generate, improve and create responsive website layouts, build common website components, troubleshoot coding problems, enhance user interfaces, and turn ideas into functional front-end projects.Rather than spending hours trying to remember syntax, search for solutions, debug code, or build every component manually, you will learn how to collaborate with Claude to accelerate the development process while still understanding what the code does and how the different parts of a website work together.Whether you are completely new to web development or already have experience with HTML, CSS, and JavaScript, this course will help you build websites faster, solve website problems more efficiently, and develop practical AI-assisted front-end development skills.You will follow step-by-step demonstrations showing how Claude can support the complete front-end workflow—from turning an idea into a website structure to generating code, improving design, debugging problems, and refining the final result.This is not theory.This is practical front-end web development powered by Claude AI.What You Will AccomplishBy the end of this course, you will be able to:• Understand how Claude can be used as an AI coding assistant for front-end development• Apply prompt engineering techniques specifically for web development tasks• Write structured prompts that generate more accurate and usable code• Turn website ideas and requirements into clear development plans• Generate HTML structures using Claude• Build and improve website CSS layouts• Create responsive websites for desktop, tablet, and mobile devices• Build navigation bars, hero sections, cards, forms, buttons, footers, and other common UI components• Create complete landing pages using AI-assisted development• Improve typography, spacing, alignment, hierarchy, and overall website design• Use Claude to convert design ideas into working front-end code• Detect and fix HTML, CSS, and JavaScript errors• Troubleshoot broken layouts and unexpected website behavior• Improve responsive design across different screen sizes• Refactor messy or repetitive front-end code• Improve code readability and organization• Add interactivity and dynamic behavior• Build reusable website sections and components• Generate multiple design variations quickly• Improve website usability and user experience• Use Claude to review and optimize existing websites• Accelerate repetitive coding and development tasks• Turn natural-language instructions into working website features• Develop complete front-end projects using Claude as your development assistant• Build a modern AI-assisted web development workflow• Develop practical front-end skills that can be applied immediatelyNo coding experience is required.You will learn how to work with Claude step by step while developing practical front-end skills along the way.Practical Skills You Can Apply ImmediatelyThroughout the course, you will learn how to use Claude for tasks such as:• Planning the structure of a website• Generating HTML pages• Creating modern CSS layouts• Styling website components• Building responsive designs• Creating navigation menus• Designing hero sections• Building cards and content sections• Designing buttons and calls to action• Creating website headers and footers• Creating mobile-friendly layouts• Fixing broken CSS• Debugging errors• Creating alternative design variations• Improving page structure and visual hierarchy• Generating website sections from natural-language instructions• Turning ideas into functional landing pages• Building complete front-end projects fasterLearn How to Prompt Claude for Web DevelopmentOne of the most important skills in AI-assisted coding is knowing how to communicate with the AI properly.Simply asking Claude to “build a website” will not always produce the best result.You will learn how to provide Claude with useful context such as:• The purpose of the website• The target audience• The required sections• The visual style• The desired layout• Responsive design requirements• Required functionality• Technical constraintsand more!By structuring your instructions correctly, you can generate better code, reduce unnecessary revisions, and make Claude a much more effective development assistant.Exclusive Resources Included• Claude AI Prompt Pack for Front-End Web Development• Ready-to-use prompts for HTML development• CSS design and styling prompts• JavaScript development prompts• Website debugging prompts• Responsive design prompts• Website improvement and optimization promptsWhy This Course Is a MustTraditional front-end development often requires developers to spend significant time searching documentation, remembering syntax, experimenting with layouts, debugging code, and repeatedly rewriting similar website components.Claude changes this workflow.With the right prompts and development process, you can describe what you want to build, generate a starting point, review the code, request improvements, troubleshoot problems, and continue refining the website through natural-language instructions.However, simply having access to Claude is not enough.The real advantage comes from knowing how to:• Describe technical requirements clearly• Break larger projects into manageable tasks• Generate structured code• Evaluate AI-generated solutions• Debug problems systematically• Ask for targeted modifications• Improve designs through iteration• Understand the code Claude produces• Maintain control over the development processBy combining Claude AI, prompt engineering, HTML, CSS, JavaScript, responsive design, debugging, and practical project development, you can transform Claude from a basic chatbot into a powerful front-end development assistant.Developers and professionals who understand how to work effectively with AI can build faster, troubleshoot problems more efficiently, experiment with more ideas, and reduce the amount of repetitive work involved in creating websites.This course gives you the practical techniques, development workflows, prompting strategies, and hands-on applications needed to:• Build websites faster• Reduce repetitive coding• Solve development problems more efficiently• Create responsive layouts• Improve website design• Debug code faster• Understand AI-generated code• Turn ideas into working web pages• Integrate Claude into a modern development workflow• Build skills that remain relevant as AI becomes increasingly integrated into software developmentIf you want to build modern websites faster, learn front-end development with AI assistance, improve your coding workflow, troubleshoot problems more efficiently, and turn your ideas into functional web experiences using Claude, this course gives you the practical framework to do it properly.Join over 200,000+ learners from 175+ countries who trust our training programs to master complex professional skills in the fastest and most structured way possible.

Aprende el API IndexedDB de HTML5

Udemy Instructor

En 2010 se dejó de dar soporte a WebSQL (SQLite en navegadores). La especificación de HTML5 para el manejo de base de datos en navegadores es IndexedDB. Tanto WebSQL como IndexedDB son soportados para dispositivos móviles. También se puede utilizar LocalStorage y SessionStorage, pero son más bien para almacenar cadenas. Esta base de datos, que no utiliza el lenguaje SQL, nos permite de manera potente, el manejo de datos de manera sencilla. Los objetivos de este curso son: El alumno se familiarizará con los principales términos en el manejo del API IndexedDBEl alumno realizará una sencilla aplicación de Altas, Bajas y Cambios con IndexedDBEl alumnos aprenderá a manejar las versiones, añadir índices entre otras actividades con IndexedDBEl alumno desarrollará una aplicación de control de actividades con IndexedDB Revisaremos términos que no se manejan en las bases tradicionales como MySQL, donde desarrollamos nuestras estructuras con tablas. En IndexDB utilizaremos almacenes de objetos, donde podemos guardar estructuras de datos diferentes. También utilizaremos cursores para almacenar la lectura de los mismos. Este curso no es un curso básico. Usted debe tener bases en las herramientas HTML, CSS3 y JavaScript. Este curso está dirigido a desarrolladores web que desee crear aplicaciones con el manejo de base de datos. Los presentes ejercicios son fácilmente exportables a dispositivos móviles con herramientas como Phonegap.

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Testing con Python - De código roto a código confiable

About this course

Skills you'll gain

Available Coupons