Monday, July 13, 2020

Grokking Algorithms Review - Best Book to learn Data Structure and Algorithms in Python

Hello guys, I have read many books on data structures and algorithms like Introduction to Algorithms by Thomas H. Corman and Algorithm design manual by Steve S. Skiena, so when I come to know about this book, I thought, just another book on algorithms, but I was wrong. This is not just another book on algorithms but one of the most interesting books you will ever read on Algorithms and Data structure. It doesn't cover all the data structure and algorithms you see in Computer Science but whatever it covers, it does really well and that's what matters most for beginner programmer or Computer Science students.

Top 5 Online Courses to learn Blockchain in 2020 - Best Blockchain Certifications

Hello guys, if you are not leaving under the rock then you would have definitely heard about Blockchain and Cryptocurrencies. If you are looking for Blockchain training courses and certification then you have come to the right place, in this article, I am going to share the best online courses to learn Blockchain programming from UdemyCoursera, and Pluralsight, but before that, let get a quick overview of what is Blockchain and why it's popular.  Blockchain is a set of blocks that are open for anyone and containing information and the hash of the block and some other info.

Sunday, July 12, 2020

Difference between JVM, JIR, JRE, and JDK in Java

JRE, JVM, and JDK are three terms you often heard in conjunction with Java programming language, and most people either confuse them or think they all are the same. In this Java article, you will learn what is Java Run-time (JRE), what is Java Virtual Machine (JVM) and what is Java Development Kit (JDK) along with Just in Time compiler or JIT. Once you know what JRE, JVM or JDK means you can differentiate them easily by yourself.  This article is in continuation of the Essential JVM options which every Java programmer should know. If you haven't read those articles, you can also read them as well. 

Top 5 Courses to Learn QlikView and QlikSense in 2020 - Best of Lot

Hello guys, If you are in Business Analytics and Intelligence world then you would have definitely heard bout QlikView and QlikSense, two of the most modern tools for Business Intelligence and Data Analytics. Both products are offered by Qlik company and widely used for BI and Data Visualization performance. QlikView is a powerful tool for Data Visualization and if you are learning Data visualization you can learn it in 2020. QlikView bills itself as a guided analytics tool, which helps extract insights from large datasets. It lives up to that billing by striking the right balance between interactivity and robustness. QlikView combines the data management capabilities of a serious database, with the zippy, responsive UIs that make drilling into data really simple

Saturday, July 11, 2020

How to delete a key value pair from a HashMap during Iteration in Java - Example tutorial

Suppose you have a Map or Dictionaries like HashMap or Hashtable, which contains key-value pairs like books and their prices, and you want to delete all books whose prices are greater than 40 USD, how do you that in Java? This is one of the most common scenarios while developing Java application and many Java programmers, will say that they will iterate over Map and check each entry and then use the remove(Object key) or remove(Object key, Object value) methods from java.util.Map to delete any mapping where the value is greater than 40 USD. Though the approach is right, the answer is wrong.

Top 5 Courses to Pass CompTIA Network+ certification - Best of Lot

Hello guys, CompTIA Network+ certification is a good one if you are planning to have any kind of job position that needs networking such as computer networking analyst computer support and so on. The certification is aimed for anyone beginner or advanced level of networking knowledge and it is good also if you are considering a career in the network industry. If you already preparing for CompTIA Network+ certification and looking for the best online training courses and practice tests to get ready for the exam then you have come to the right place.