8 Programming Myths That Impede Your Career
Common beliefs and misconceptions can impede your software development career. Here's my guide on how to avoid fighting for a lost cause.
Piotr Horzycki - Java and PHP developer’s blog
Software engineer since 2008. Experienced with complex systems for payments, media, advertising and education. Been a scrum master and a team leader. I love fintech, data processing and SQL optimization. Sometimes I talk at meetups.
Latest posts
How to set a font in a PDF document
How to set a font in a PDF document with TCPDF, mPDF, Dompdf, wkhtmltopdf, Chrome, WeasyPrint and Prince
How to encrypt a PDF document in PHP
Examples of encrypting a document with TCPDF, mPDF, Dompdf and PDFtk
Executing shell commands from a PHP script
All the details of calling an external process from PHP.
Too much REST will harm you: don’t blindly follow it!
Always treat a URL like public data. Although REST recommends a set of web architecture best practices, you need to take additional measures to prevent sensitive data exposure.
Picking a PHP tool to read and manipulate PDF files
Extracting text and metadata from PDF, editing PDF files, adding stamps, extracting images, making screenshots. Updated for 2021.
I moved my WordPress blog to Jekyll. Here’s why and how
My story about moving a blog from WordPress to Jekyll - a static site generator.
All you need to know about Java’s BigDecimal
A guide to Java BigDecimal class. Examples of monetary calculations and formatting decimal numbers for different languages.
PHP: How to take a screenshot of a PDF page
A guide on converting PDF files to PNG and JPEG using ImageMagick, GhostScript, Poppler or Inkscape. Choose the best solution for you!
Secure generation of random IDs and passwords in Java
Tools which provide safe, unpredictable random numbers and strings in your Java application: SecureRandom, Apache Commons and Passay.