3 basic mistakes for NullPointerException when Mock

Posted on May 10, 2018 by Andrej Buday

You might get NullPointerException exception when you try to mock object in your tests. This article is a shortlist of the three most common reasons why this might be happening.

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How to create a file in a different directory in PHP

Posted on May 5, 2018 by Andrej Buday

How to make this file in another folder than the execution file location? This article will help you with a small snippet of code to create a file in a different folder.

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How to create a folder in PHP if it doesn’t exist

Posted on May 4, 2018 by Andrej Buday

This article will show you how to create a folder automatically in PHP if it does not exist. We will see several different approaches to solve this problem in the right way.

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Solution for Lombok plugin incompatible with 2018.1 Intellij Idea warning

Posted on April 22, 2018 by Andrej Buday

Migrating from the older to the newest version of IntelliJ Idea can cause a warning message for the Lombok module.

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How to loop over HashMap in Java

Posted on August 29, 2017 by Andrej Buday

HashMap is one of the most used data collection. There are several ways how to loop over it and get what you need. We will show five different ways how to loop over HashMap. So what is the best way to iterate over the items in a HashMap? Continue reading →

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How to sync up new Git repository on GitHub or GitLab

Posted on June 17, 2017 by Andrej Buday

From time to time you necessary to set up new Git repository. This article is about a list of commands which are helpful for creating a new repository and syncing it with GitHub or GitLab.

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Python String split() Method

Posted on May 7, 2017 by Andrej Buday

From time to time, you will find yourself trying to get a list of things from a string. For this purpose, you can use the split() function.

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How to concatenate or append strings in Python

Posted on May 7, 2017 by Andrej Buday

If you are looking for answer how to append strings in Python, you are on the right page.
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How to write CRON jobs

Posted on December 26, 2016 by Andrej Buday

CRON jobs or CRON tasks are very useful for automatizing repetitive work. With cron job help you can for example once a week wipe out cache files in your app directory or send email about number of newly registered users. You can imagine any kind of task which require repetitiveness.

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How to compute distance between 2 GPS points?

Posted on December 15, 2016 by Andrej Buday

When working on projects involving geographical calculations, such as determining the direct distance between two airports on a global scale, developers often seek efficient methods to compute such distances accurately. One common approach involves utilizing algorithms derived from the Great Circle distance method, which considers the curvature of the Earth’s surface.

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