Java Quiz Online – Prepare Your Interview
Java quiz to test your understanding of the language’s key concepts and features. Prepare for your next Java developer interview.
Posted by Marta on March 26, 2023
How to use if statement in Splunk?
We will discuss how to use the “if” statement in Splunk. And provide examples to show how to write an “if” statement to extract the desired data.
Posted by Marta on March 26, 2023
How to group by in Splunk?
We will explore how to use the “group by” command in Splunk, how to create a group, and how to use aggregate functions. Including lots of examples.
Posted by Marta on March 21, 2023
What query language is Splunk?
Learn about the splunk query language. Is it similat to SQL? Plus you will learn the basic Splunk queries, with examples for each of them.
Posted by Marta on March 19, 2023
Is Information Technology Hard?
We will see how hard is Information Technology, and how is different from Computer Science. And we will explore if you need to know math for Information Technology.
Posted by Marta on March 13, 2023
All About What is a Tiny Banker Trojan
We will discuss what a Tiny Banker Trojan is. Also we will see some examples of this type of malware, and explain how it works.
Posted by Marta on March 9, 2023
How to Fix – Missing Return Statement Error in Java
When programming in Java, one common error that you might encounter is the “missing return statement error .” Find out what this error means and how to fix it.
Posted by Marta on March 8, 2023
How Long does it Take to Learn C++ ?
Are you wondering how long it will take to become proficient in C++. Find out how long it takes, where to start, and the roadmap you should follow.
Posted by Marta on March 4, 2023
How to Fix – Must Declare the Scalar Variable
Learn what the SQL error “must declare the scalar variable” means, and how to fix it quickly in three steps. With code examples.
Posted by Marta on March 17, 2023
What is Amazonses com?
Discover what is amazonses com. All questions answered: its advantages and limitations, how you can get approved, is it an email server, and more.
Posted by Marta on February 28, 2023
Best Books on Cryptography
Want to learn about cryptography? Find out five cryptography books to know all essentials. From its history, to real applications, algorithms and more.
Posted by Marta on February 26, 2023
Avast vs Bitdefender – Which one is best?
Avast vs Bitdefender. Find out features and cost. This article contains the key information that will help you make a decision.
Posted by Marta on February 3, 2023
Best Cyber Security Certificates for Beginners
Find out best cyber security certificates for beginners. Where should you start? are they worth it? and What would you learn?
Posted by Marta on February 5, 2023
How to Finish Your Coding Project Faster?
Why you may be struggling to finish your coding project? Eight advices and strategies to help you finish you coding project faster.
Posted by Marta on February 3, 2023
How to Fix Java Error – Class Interface or Enum Expected
Learn how to fix the java error: class, interface or enum expected. Get a better understanding of this error to able to prevent it in the future
Posted by Marta on January 22, 2023
Guide to Web Scraping Using Proxies
Getting information from all these business websites for research purposes is very important. And how do you intend to get this information. This is where web scraping comes into play.
Posted by Marta on November 11, 2022
Datacenter or Residential, Which Proxy Service Is for You?
Proxy services: Datacenter or residential ? Find out what factor you should consider to choose the proxy service that is right for your needs.
Posted by Marta on May 6, 2022
Five Must-Have Cybersecurity Tips for Programmers
Five Cybersecurity programmer tips to prevent cyberattacks and avoiding security gaps and vulnerabilities.
Posted by Marta on May 6, 2022
Graph Implementation Example in Java
Graph implementation Example in Java. Perfect assignments to warm up your programming skills. Great example of why data structures are so important.
Posted by Marta on March 22, 2022
Node.js Vs Python: What’s the Difference?
Find out about the TWO major backend technologies – Node.js and Python, their basics, key differences, and usage scenarios.
Posted by Marta on March 11, 2022
How to Fix Java Error java.lang.ArrayIndexOutOfBoundsException
Learn the main reasons that cause the java.lang.ArrayIndexOutOfBoundsException Exception in Java along with a few different examples and how to fix it
Posted by Marta on March 4, 2022
6 Useful Things Coders Should Know About Computers
In this article, we explain some of the best computer tips that budding programmers can follow to get the most from your device.
Posted by Marta on February 25, 2022
Companies that use Java
The fundamental question is whether Java is still useful for your proffesional career. Find out big companies that use Java.
Posted by Marta on February 10, 2022
8 Helpful Python Tips for New Coders
Find 8 helpful Python tips that will pave the way for you as a beginner. Remember, the more of the information in this article you absorb, the better off you will be.
Posted by Marta on January 26, 2022
Best 10 Jira Alternatives for Agile Project Management
Find out the best jira management alternatives for Agile Project Management that can help manage agile software projects.
Posted by Marta on January 25, 2022
Snake Game Tutorial using Python and Pygame
Learn to program the snake game in python using the pygame library. Build the game gradually starting with the simplest logic and adding complexity.
Posted by Marta on November 22, 2021
How to convert XML to CSV in Python – Step by Step guide
Learn to convert XML to CSV in Python using three different Python modules: xml.etree, xmltodict and untangle. Find out which one is more efficient.
Posted by Marta on March 22, 2023
How To Fix: Hadoop command not found error
Learn how to fix the error Hadoop command not found, so you can fix your Hadoop installation and start working on big data projects.
Posted by Marta on October 6, 2021
How to Fix Java.net Malformed Url Exception
Learn the main reason why you will face the Java.net Malformed Url Exception in Java
Posted by Marta on September 23, 2021
How To Fix String Indices must be Integers in Python
Learn how to fix the TypeError: string indices must be integers error in Python with examples. More robust programming style.
Posted by Marta on May 2, 2021
How To Build a Youtube Comment Bot with Python
Learn to build a youtube comment bot step by step using Python and the Selenium library. A youtube comment bot to help you grow your youtube audience.
Posted by Marta on April 20, 2021
How to Make a Website like Youtube
Learn how to make a website like Youtube. Learn the fundamentals of how to stream videos and build a video player website step by step.
Posted by Marta on May 11, 2021
Sql Between Operator with Dates and Numbers
Learn how to use the SQL Between operator. Including examples of how to use this operator with numbers as well as with dates.
Posted by Marta on February 1, 2023
Random Class in Java Simply Explained
Learn what is the Random class in java and how to use it. Some Java code examples included which you can reuse in your own code!
Posted by Marta on March 28, 2021
How To write a Rock Paper Scissors Game in Java – Step by Step
Put together everything you know about programming to build a rock paper scissors game in java that makes you feel proud of yourself. Step by step guide.
Posted by Marta on February 2, 2023
Python Collections: namedtuple and deque make simple
Learn new two python collections: namedtuple and deque. How to use them, and the critical benefits versus the similar built-in collections.
Posted by Marta on January 24, 2021
How to Remove Item from a List with Python
Learn how to remove an item from a list with Python. Python makes this operation easy to perform; there are a few ways to achieve this in Python.
Posted by Marta on March 23, 2023
Custom Java Spring Boot Banner in Simple Steps
Learn how to configure your spring boot application with your favorite banner and customize it further using images and including variables.
Posted by Marta on January 14, 2021
How to Print in Java – Complete guide
Learning how to use the java print and other methods to print messages to the console using Java. See how print an array and an object to the console.
Posted by Marta on March 28, 2021
QuickSort Visualization – Simply Explained
Learn how the quicksort sorting algorithm works step by step. Including quicksort visualization and the implementation in Java.
Posted by Marta on January 10, 2021
How to Count Repeated Characters in String using Java
Find out the main ways to count repeated character in a String using Java. Different approaches using HashMap, Recursion and without using loops.
Posted by Marta on December 24, 2020
Finally all Steps to Design a Vending Machine in Java
Design a vending machine in Java step by step from requirements to implementation. Text based vending machine program. Java Source code included.
Posted by Marta on February 2, 2023
How to Check if a String is a Number in Java
Take a look at how to check if a String is a number in Java. Several ways to achieve this in Java, how they work, and analyse their performance.
Posted by Marta on December 18, 2020
All-In-One Gregorian Calendar Java Guide including Example
Learn how to use the Gregorian Calendar java class and an example. How you can get today’s date, the day of the week, and manipulate dates.
Posted by Marta on December 18, 2020
Best Books to Master Object Oriented Programming
Best four books on Object Oriented Programming and most recommended. Each book describes object oriented programming from a different perspectives.
Posted by Marta on February 2, 2023
Design a Java Elevator System as easy as you think
Design an elevator system in java. This exercise will hep you get better at programming and ready for your programmer interview.
Posted by Marta on February 2, 2023
4 Simple Tricks to Write Java Clean Code
Learn four simple and practical tricks that will help you write java clean code that is clean, readable and easy to maintain.
Posted by Marta on December 18, 2020
Apache Spark Java Tutorial: Simplest Guide to Get Started
Apache Spark Java Tutorial. Learn how to write a simple Spark application. No previous knowledge of Apache Spark is required.
Posted by Marta on February 2, 2023
All-in-One Guide: How to work with a CSV file in Java
Learn how to work with CSV file in Java. You will see how to read data from a file and how to write into a file. Widespread tasks, necessary when you need to persist your data.
Posted by Marta on December 18, 2020
How to Write a Check Anagram Program in Java
Learn how to create an anagram program in java. Three different approaches to solve this problem, plus big o analysis of each solution.
Posted by Marta on February 1, 2023
Maven Jar Plugin – How to make an executable jar file
Learn step by step how to create a jar executable file, using the maven jar plugin. And also how to include dependencies in your executable jar.
Posted by Marta on February 2, 2023
Install Hadoop on Mac – Ultimate Step by Step Guide
Learn how to install the hadoop system in your mac machine, including a brief reminder of what hadoop is and its architecture.
Posted by Marta on March 15, 2023
Creating a Speech Recognition Program with Python & Google API
In this tutorial, you will learn step by step how to perform speech recognition, voice to text, in Python using the Google Api.
Posted by Marta on February 1, 2023
Automate Data Entry – How to Create a Selenium bot
Step by step tutorial. Learn to create a selenium bot that will automate any data entry task you like. Learn how to log in to a site with a bot.
Posted by Marta on December 18, 2020
What is Gitk? A comprehensive guide
Learn what is gitk and what is for? And also the tasks you can do inside gitk. The gitk tool helps you visualise the git repository history.
Posted by Marta on December 18, 2020
What is the purpose of the python class initializer?
This tutorial will help you to understand what is a python class initializer and its purpose in python. Including examples with the source code.
Posted by Marta on January 13, 2021
Python Indentation Error Simply Explained
This article will help understand the python indentation rules and when and why you could encounter a python indentation error.
Posted by Marta on February 2, 2023
How to Fix Java Error – Identifier Expected
Learn how to fix the java error: identifier expected to get a better understanding of this error and being able to avoid in the future
Posted by Marta on November 21, 2021
How to shuffle a string in java
Learn how to shuffle a string in java in two different ways, using java 7 and java 8. Code Examples Included. Move the characters out of order.
Posted by Marta on December 18, 2020
How to open a web browser in python
Learn how to open a web browser in python. I will show two ways to achieve this, using two different libraries and which libraries is best for your case.
Posted by Marta on February 2, 2023
How to Return Multiple Values in Java
Learn how to return multiple values in java. There are three main ways to return multiple values. This tutorial include code examples and explanations.
Posted by Marta on December 18, 2020
How to Fix Modulenotfounderror: no module named ‘pygame’
I will show why you might encounter the error modulenotfounderror: no module named ‘pygame’ when you are creating a game using the python library pygame.
Posted by Marta on March 15, 2023
Runnable vs Callable – Find out the differences
Learn what is a runnable , what is a callable and the difference between the two, runnable vs callable. And how to execute them with code examples.
Posted by Marta on February 2, 2023
What is a mutator method in Java?
Learn what is a mutator method in java and the benefits of using mutators and accessor methods. All explanations include examples to illustrate.
Posted by Marta on December 4, 2021
How to Write a Tic Tac Toe Game in Java using classes
Learn to code a Tic Tac Toe game in java using classes, all code is included with explanations. Really fun exercise to sharp your programming skills.
Posted by Marta on February 2, 2023
Java 8 Cheat Sheet – Most Used Conversions – Char To String
Most often used java conversions all together: char to string, string to char, char to int, int to char, get the length of a string and more.
Posted by Marta on December 18, 2020
Comprehensive Imshow Matplotlib Tutorial : Custom a graph
Learn how to install matplotlib, how to customise your graph: change the font size, the background color, etc and using the imshow function.
Posted by Marta on December 18, 2020
How to Fix – no module named Tkinter error
Explain why you might encounter the error – no module named tkinter – when you are writing a python program and how you can get around this error.
Posted by Marta on March 27, 2021
Python Errors: Nameerror name is not defined and more
Learn the main python errors, how to interpret them, how they arise, so you can avoid them. Your code will be more stable and reliable
Posted by Marta on February 2, 2023
Django: order by and filter with examples
How to use the database method order by and filter in django. Help you to select the specific entries from the database and receive them in a given order.
Posted by Marta on February 2, 2023
Beautifulsoup Python Guide – Install, Find by Class and more
In this tutorial I will show you how to install the beautifulsoup library in Python and use some of the most popular methods such as find by class, findall, find by id, etc
Posted by Marta on December 18, 2020
How to Use Return in Python programming?
What is the use of return in programming with example. How to return multiple values using return and the difference between using return and print.
Posted by Marta on December 18, 2020
Python int function – Ultimate Guide
In this tutorial I will share how the int() function works in python, the purpose of the function, different parameter types the function accepts
Posted by Marta on August 6, 2020
How to Count Occurrences in String in Python
In this tutorial I will share the main libraries and methods in python that allow you to count occurrences in a string and in a list.
Posted by Marta on December 18, 2020
How to Get the day of the week in Python
In this tutorial I will share how you can get the week day: Monday, Tuesday , etc given a certain date in Python. Using libraries and without libraries.
Posted by Marta on February 1, 2023
How to Fix Valueerror: too many values to unpack
In this article, I will explain the main reason why you will encounter the Valueerror too many values to unpack error in python and a few different ways to fix it. I think it is essential to understand why this error occurs, just because if you have a good understanding of what caused it, you […]
Posted by Marta on February 2, 2023
How to Fix Typeerror: ‘int’ object is not subscriptable
I will share the main reason why you will encounter the Typeerror ‘int’ object is not subscriptable error and a few different ways to fix it
Posted by Marta on February 2, 2023
How to convert XML to JSON in Python – Step by Step guide
In this article I will share how you can convert an XML to JSON in Python and the different python modules available to achieve this.
Posted by Marta on February 2, 2023
How to Create Tkinter Progress Bar and DropDown
I will show you step by step how you can add a progress bar and a dropdown widget to you user interface develop using Tkinter
Posted by Marta on February 1, 2023
How to Fix Typeerror a bytes-like object is required not ‘str’
I will explain the main reason why you will encounter the error Typeerror a bytes-like object is required not ‘str’ and a few different ways to fix it.
Posted by Marta on March 22, 2023
DFS in Python: 2 Algorithms I wish I have learned earlier
DFS Algorithm simply explained. Learn how to use DFS in Python (Depth For Search). The difference between DFS and BFS. Source Code Included!
Posted by Marta on February 1, 2023
How to Check Django Version – Step by Step Guide
There are different ways you can check the Django your version. In this article, I will share a couple of them. I will also share how you can upgrade and downgrade the Django version, uninstall Django, something you might do if you are running into problems and decide to uninstall it and install Django again. […]
Posted by Marta on February 2, 2023
Convert string to list python – Ultimate guide
Ultimate guide to show you know to convert string to a list with python
Posted by Marta on December 18, 2020
Problem solving with algorithms and data structures review
Find an overview of the topics covered in the “Problem Solving with algorithms and data structures” book. And why you should consider reading this book.
Posted by Marta on February 1, 2023
Absolute Value Python function with Examples
In this article I will explain how to calculate the absolute value in python, provide you with some examples and some coding problems
Posted by Marta on December 18, 2020
How long does it take to learn Python?
In this article I will talk about how long does it take to learn python as a first programming language. The steps to follow and how long to spend on each.
Posted by Marta on January 27, 2021
Python Graph Implementation Exercise – Plan a delivery route
Start getting ready for coding interviews. Python assignments for practice. Great example of why data structures are important for optimizing your code.
Posted by Marta on February 1, 2023
What is OpenCV used for?
I will explain you what is the purpose of opencv, and some cool applications. Plus I will show you how to perform face detection with opencv. FIVE LINES OF CODE!!
Posted by Marta on December 18, 2020
Types of Data Structures in Python
I will show you the four types of data structures in python which are more commonly used.
Posted by Marta on December 18, 2020
Cool things to do with Python – Youtube Downloads
Fun and cool things to do with python. Learn how download youtube videos.
Posted by Marta on December 18, 2020