Tibco Rv Interview Questions
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Top 50 Java Design-Pattern Interview Questions
Introduction: Design Pattern Interview QuestionsUpdated 2020 edition!!This book contains the Design Pattern Technical interview questions that you can expect in a Java interview. Design Pattern is a very important topic in technical interview. Many fortune 500 organizations use Design Patterns. This book contains basic to expert level Design Pattern interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Design Pattern concepts.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Design Pattern interview questions. We have already compiled the list of the most popular and the latest Design Pattern Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation. What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Design Patterns programming. What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Principal Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional. What are the sample questions in this book? When will you use Strategy Design Pattern in Design Pattern? What is Observer design pattern? What are the examples of Observer design pattern in JDK? How Strategy design pattern is different from State design pattern in Design Pattern? Can you explain Decorator design pattern with an example in Design Pattern? What is a good scenario for using Composite design Pattern in Design Pattern? Have you used Singleton design pattern in your Design Pattern project? What are the main uses of Singleton design pattern in Design Pattern project? Why Design Pattern.lang.Runtime is a Singleton in Design Pattern? What is the way to implement a thread-safe Singleton design pattern in Design Pattern? What are the examples of Singleton design pattern in JDK? What are the examples of Visitor design pattern in JDK? How Decorator design pattern is different from Proxy pattern? What are the different scenarios to use Setter and Constructor based injection in Dependency Injection (DI) design pattern? What are the different scenarios for using Proxy design pattern? What is the main difference between Adapter and Proxy design pattern? What are the examples of Adapter design pattern in JDK? What is the difference between Factory and Abstract Factory design pattern? What is Open/closed design principle in Software engineering? What is SOLID design principle? What is a Data Access Object (DAO) design pattern? http://www.knowledgepowerhouse.com
Top 200 Operations Engineer Interview Questions and Answers
Top 200 Operations Engineer Interview Questions Operations Engineer is an important technology job. There is a growing demand for Operations Engineer job with knowledge of Unix, Python, Maven, GIT etc in technology companies. This book contains popular technical interview questions that an interviewer asks for Operations Engineer position. The questions cover Python, Unix, GIT and Maven areas. It is a combination of our four other books. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Operations topics like- Python, Unix, Maven, GIT etc. What are the Operations topics covered in this book? We cover a wide variety of Operations topics in this book. Some of the topics are Unix, Python, Maven, GIT etc. How will this book help me? By reading this book, you do not have to spend time searching the Internet for Operations Engineer interview questions. We have already compiled the list of the most popular and the latest Operations Engineer Interview questions. Are there answers in this book? Yes, in this book each question is followed by an answer. So you can save time in interview preparation. What is the best way of reading this book? You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for a Operations Engineer position. What is the level of questions in this book? This book contains questions that are good for a beginner Operations engineer to a senior Operations engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional. What are the sample questions in this book? Can anyone upload JARS or artifacts to Central Repository? Can we create our own directory structure for a project in Maven? GIT is written in which language? How are arguments passed in a Python method? By value or by reference? How can we create a dictionary with ordered set of keys in Python? How can we do Functional programming in Python? How can we exclude a dependency in Maven? How can we get the debug or error messages from the execution of Maven? How can we know if a branch is already merged into master in GIT? How can we resolve a merge conflict in GIT? How can we retrieve data from a MySQL database in a Python script? How can we run a process in background in Unix? How can we kill a process running in background? How can we see n most recent commits in GIT? How can we see the configuration settings of GIT installation? How can we skip the running of tests in Maven? How can you redirect I/O in Unix? How do you perform unit testing for Python code? How do you profile a Python script? How does alias work in Unix? How does memory management work in Python? How many heads can you create in a GIT repository? How Maven searches for JAR corresponding to a dependency? How will you add a new feature to the main branch? How will you check if a remote host is still alive? How will you check in Python, if a class is subclass of another class? How will you check the information about a process in Unix? http://www.knowledgepowerhouse.com
Top 50 Pandas Interview Questions & Answers
Author: Knowledge Powerhouse
language: en
Publisher: Independently Published
Release Date: 2018-09-11
Top 50 Pandas Interview Questions This book contains Pandas (python library) interview questions that an interviewer asks. It is a compilation of easy to advanced Pandas interview questions after attending dozens of technical interviews in top-notch companies like- Oracle, Google, Ebay, Amazon etc. Each question is accompanied with an answer so that you can prepare for job interview in short time. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Pandas concepts. How will this book help me? By reading this book, you do not have to spend time searching the Internet for Pandas interview questions. We have already compiled the list of the most popular and the latest Pandas Interview questions. Are there answers in this book? Yes, in this book each question is followed by an answer. So you can save time in interview preparation. What is the best way of reading this book? You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Data Engineer position in Pandas. What is the level of questions in this book? This book contains questions that are good for a Associate Data engineer to a Principal Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional. What are the sample questions in this book? What is a Series in Pandas? How can we create copy of series in Pandas? How will you create a series from dict in Python? What are operations on Series in pandas? What is a DataFrame in pandas? What are the different ways in which a DataFrame can be created in Pandas? How will you create an empty DataFrame in pandas? How will you add a column to a pandas DataFrame? How will you add a scalar column with same value for all rows to a pandas DataFrame? How will you retrieve a single column from pandas DataFrame? How will you add the value of two columns in a pandas DataFrame to create another column? How will you delete a column in a pandas DataFrame? How can we select a column in pandas DataFrame? How can we retrieve a row in pandas DataFrame? How will you slice rows in a pandas DataFrame? How will you append new rows to a pandas DataFrame? How will you delete rows from a pandas DataFrame? How will you get the number of rows and columns of a DataFrame in pandas? How will you get the top 2 rows from a DataFrame in pandas? How will you get the last 2 rows from a DataFrame in pandas? How will you get the number of elements in a DataFrame in pandas? How will you get the names of columns of a DataFrame in pandas? How will you convert a DataFrame to an array in pandas? How can you check if a DataFrame is empty in pandas? How can you get the sum of values of a column in pandas DataFrame? How will you get the average of values of a column in pandas DataFrame? How can we get the statistical summary of data in a pandas DataFrame? How will you apply a function to every data element in a DataFrame? How will you apply a function to a row of pandas DataFrame? How will you apply a function to a column of pandas DataFrame? What is reindexing in pandas? How will you rename a column in pandas DataFrame?