If you change the value in properties file, you don't need to recompile the java class. So, it makes the application easy to manage.14) What does the hashCode() method?The hashCode() method returns a hash code value (an integer number)....
15. Explain the KNN imputation method, in brief. KNN is the method that requires the selection of several nearest neighbors and a distance metric at the same time. It can predict both discrete and continuous attributes of a dataset. A distance function is used here to find the similarity ...
The study is quantitative and enforced by depth interview method. 整个研究为定性研究,采用深度访谈的方法来进行。 参考来源院舍老人的家庭支持研究(研究生论文) 采访-引用次数:147 The convert interview boom in modern China has many complicated reasons. 隐性采访在当代中国的兴盛,有着多方面复杂的原因。 参...
⚠️决定research philosophy,research approach,data collection methods(数据决定后,基本这些都能确定了) ⚠️正式收集数据(一手数据的话,定性大多用interview,定量大多用questionnaire) ⚠️写methodology(这里面包括相关的methods概念,justify方法对于topic的可行性,数据收集过程) ...
4. What are some of the challenges that come with a big data project? No big data project is without itschallenges. Some of those challenges might be specific to the project itself or to big data in general. You should be aware of what some of these challenges are -- even if you hav...
Quicksort can be implemented to sort "in-place". This means that the sorting takes place in the array and that no additional array need to be created. Efficiency Quicksort operates inO(N*logN)time. This is generally true of the divide-and-conquer algorithms, in which a recursive method di...
Accuracy of data Schema validation HTTP status codes Data type, validations, order, and completeness Authorization checks Implementation of response timeout Error codes in case API returns, and Non-functional testing like performance and security testing 26. What is the best approach method to perform...
17. What is the importance of the main method in Java? The main() method is the entry point of any standalone java application. The syntax of the main method ispublic static void main(String args[]). Java’s main method is public and static so that Java runtime can access it without...
Method 1: On File Basis In this method, the replication factor is changed on the basis of file using Hadoop FS shell. The command used for this is: $hadoop fs – setrep –w2/my/test_file Here, test_file is the filename that’s replication factor will be set to 2. ...
Root cause analysis, as the name suggests, is a method used to solve problems by first identifying the root cause of the problem. Example: If the higher crime rate in a city is directly associated with the higher sales in a red-colored shirt, it means that they are having a positive co...