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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to Fix int cannot be dereferenced Error in Java?
"int cannot be dereferenced", a common error in Java that may occur while converting a variable of integer type into String or while comparing it with other primitive type variables. It might be difficult to debug for a beginner programmer, but once we get the alternative ways of converting and comparing integers, it will become a piece of cake for us. Try to stick with us till the end of this article to find the reasons and possible solutions for fixing the 'int cannot be dereferenced error'. How to Fix int cannot be dereferenced Error in Java ...
Read MoreDifferent Ways to Capture Java Heap Dumps
A heap dump is a snapshot of the memory more specifically the Java heap memory of a Java process at a certain point in time. It contains information about the Java objects and classes. Heap dumps are useful when we need to debug memory problems such as memory leaks, high memory consumption, and out of memory errors. Java provides several ways to capture these heap dumps that we are going to explore in this article. Ways to Capture Java Heap Dumps The following ways can be used to capture Java heap dumps: ...
Read MoreHow to Delete Hidden Worksheets in Excel
Excel is a strong data−organization and analysis tool, and hidden worksheets are frequently encountered when working on complicated spreadsheets. These hidden worksheets can occasionally be confusing and have an impact on the general functionality of your Excel document. This tutorial will walk you through the process of discovering and deleting hidden worksheets in Excel. This tutorial will equip you with the knowledge and techniques you need to clean up your workbook or simply delete superfluous sheets. By the end of this course, you will understand how to detect and remove hidden worksheets in Excel, allowing you to manage and ...
Read MoreDifference Between trustStore and keyStore in Java
If one is a Java developer and has worked with the Java SSL/TLS, one may have encountered the terms trustStore and keyStore. These two files are used to store cryptographic keys and certificates. Till Java 8, the default format for these files was JKS. With the release of Java 9, the default format changed to PKCS12. Here, JKS is a Java specific format, whereas the PKCS12 is a language independent format. In this article, we will discuss the difference between trustStore and keyStore in Java. trustStore vs keyStore trustStore It is a file ...
Read MoreDifference Between State and Strategy Design Pattern in Java
Being a Java developer, one might have encountered some design patterns that help us in structuring our code and make it more reusable and maintainable. Two of these design patterns are the State pattern and the Strategy pattern. The use case of these design patterns is almost the same. However, they are different from each other in many ways. In this article, we are going to explore the differences between state and strategy design patterns in Java. State vs Strategy Design Pattern State Design Pattern The State pattern is a behavioral design pattern that allows an object ...
Read MoreDifference Between RMI and DCOM
Both RMI and DCOM are the technologies that serve to enable distributed object computing. The RMI is a Java-based technology, DCOM, on the other hand, is developed by Microsoft. Although they are built for the same purpose by two technical market giants, there exist some significant differences in terms of design, implementation and usage. We are going to compare and list some differences between RMI and DCOM in this article. RMI vs DCOM Distributed Objects To understand the differences between RMI and DCOM, it is necessary to understand distributed object computing as both terms come under the same umbrella. ...
Read MoreHow to Delete Empty Columns with Header in Excel
If you've ever worked with huge datasets or received a spreadsheet with empty columns, you know how time−consuming and irritating manually removing them can be. Fortunately, Excel has a robust set of tools and functions that can assist in automating this process. Whether you're a novice or a seasoned Excel user, this tutorial will teach you how to rapidly clean up your spreadsheets and improve your data analysis workflow. It is critical to comprehend the relevance of empty columns with headers. Empty columns can clog your data, making it difficult to understand or visualise. By deleting these unnecessary columns, you ...
Read MoreHow to Delete Blank Cells and Move Data Left in Excel
If you've ever come across a spreadsheet with empty cells all over it and yearned for a means to clean it up, you've come to the correct place. Delete these blank cells and move the data to the left to improve not just the visual appeal of your spreadsheet but also its usefulness and readability. We will walk you through the process of quickly eliminating empty cells in Excel and rearranging the surrounding data to fill in the gaps in this tutorial. Whether you're a novice or a seasoned Excel user, this tutorial will help you organise your data and ...
Read MoreHow to Delete a Dropdown List in Excel
Excel is a sophisticated data management and analysis application, with one of its most important features being the ability to generate drop−down lists. Drop−down lists enable you to provide predefined alternatives for data entry in your spreadsheets, ensuring uniformity and correctness. However, you may need to remove or delete a drop−down list from your Excel sheet in some cases. In this tutorial, we'll walk you through the steps of deleting a drop−down list in Excel. Understanding how to remove a drop−down list is critical for protecting the integrity of your data and enhancing your workflow, whether you no longer ...
Read MoreTop 10 Machine Learning Project Ideas That You Can Implement
Machine learning is a rapidly expanding subset domain of the artificial intelligence field that has gained significant attention in recent years. It enables the systems to learn from data and improve their performance over time without having to be explicitly programmed or taught. Machine learning is now used in a variety of areas, like healthcare, banking, e-commerce, etc. It has evolved into a critical tool for many organisations to analyse and exploit data in order to improve operations, improve user experiences, and drive growth. Machine learning, with its tremendous potential, is set to change the way we live, work, ...
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