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Android - How to draw text on a bitmap

ALERT: This article might be outdated and not fit for your needs. In order to enjoy its updated version, visit …

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Generate JSON key for Google Play deployment

In order to allow our CI server to deploy applications on Google Play automatically, we have to generate the JSON …

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How to issue an invoice for Apple AppStore

    Here in Europe most of the legal systems require to issue an invoice for every income we are …

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How to issue an invoice for your app payout in Google Play

You have finally managed to earn money with your app published in Google Play. Payout money is already in your …

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Making UTF-8 CSV for Excel

Sometimes you need to export a table to Excel and other spreadsheets. CSV file saved in UTF-8 seems to be …

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Performance of built-in higher-order functions Map, Filter, Reduce, and flatMap vs. for-in loop in Swift

  The most popular higher-order functions are map, filter, and reduce. We all use them since we think that syntax …

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Parallel read and write in SQLite

In many situations you need to read from SQLite database and write to it simultaneously. For example, you want to …

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How to manually symbolicate crash on Apple platforms

Everyone knows that feeling when you get a “raw” crash and you don’t know what to do — there is …

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Android - handle back press in Fragment

This article describes how our FragmentBack works under the hood. If you are looking for ready to use solution than …

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22 Android developers on Twitter who improve your 2019 Android skills

  Twitter can definitely educate the Android Developer you are. It is as easy as to follow the right people …

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Unique Czech words reflecting coronavirus now also with English explanations as Flashcard quiz in Vocabulary Miner

  Project Čestina 2.0 covering a variety of the modern Czech language with its slangs and new words has joined …

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10 Entrepreneurship Lessons Worth Thousands of Dollars

Instead of great success we have experienced great entrepreneurship lessons (for now). It also transformed me, a person who has …

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