Java PDF Blog » Mark Stephens Feed https://blog.idrsolutions.com/author/markee/ PDF tips and JPedal highlights en-US hourly 1 What is PDF/A? https://blog.idrsolutions.com/pdf-a-explained/ Mark Stephens Fri, 24 Jul 2026 11:00:20 +0000 https://blog.idrsolutions.com/?p=40107 The PDF file format is a very big and complex standard so several more limited subsets have been created for specific purposes, of which... Travelling to Istanbul by train for DevFest conference – Part 6 Completing the Orient Express https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-6-completing-the-orient-express/ Mark Stephens Wed, 03 Dec 2025 09:38:52 +0000 https://blog.idrsolutions.com/?p=38078 After yesterday’s Bulgarian marathon, today is a much gentler last stage. The overnight sleep was the most comfortable yet with a spacious 4 bed... Travelling to Istanbul by train for DevFest conference – Part 5 Crossing Bulgaria https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-5-crossing-bulgaria/ Mark Stephens Tue, 02 Dec 2025 18:10:03 +0000 https://blog.idrsolutions.com/?p=38045 After the (now unusual) experience of a night in one place, we were in Ted’s Coffee for 9.30am to collect our tickets for tonight’s... Travelling to Istanbul by train for DevFest conference – Part 4 Bucharest - an unlikely holiday destination https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-4-bucharest/ Mark Stephens Mon, 01 Dec 2025 19:27:06 +0000 https://blog.idrsolutions.com/?p=38013 After enjoying our free drink in the Premium lounge at Budapest, we boarded the 7.05pm overnight train to Bucharest. Through Transylvania and the Carpathians... Travelling to Istanbul by train for DevFest conference – Part 3 onwards to Budapest https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-3-onwards-to-budapest/ Mark Stephens Sun, 30 Nov 2025 19:12:27 +0000 https://blog.idrsolutions.com/?p=37976 Another day another night train. After a full day in Prague, it’s time for another night train…. Journey to Budapest Tonight it’s a six... Travelling to Istanbul by train for DevFest conference - Part 2 Travelling to Prague https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-2-travelling-to-prague/ Mark Stephens Sat, 29 Nov 2025 20:44:49 +0000 https://blog.idrsolutions.com/?p=37942 Welcome to Prague – I am glad you could make it after all that planning. Let’s catch-up on the trip so far… Getting to... Travelling to Istanbul by train for DevFest conference - Part 1 the plan https://blog.idrsolutions.com/travelling-to-istanbul-by-train-for-devfest-conference-part-1-the-plan/ Mark Stephens Fri, 28 Nov 2025 06:38:19 +0000 https://blog.idrsolutions.com/?p=37830 This year, we decided to do something special by taking the train rather than flying to attend the DevFest conference in Istanbul. So join... 7 things to do while you are attending DevFest Istanbul https://blog.idrsolutions.com/7-things-to-do-while-you-are-attending-devfest-istanbul/ Mark Stephens Mon, 10 Nov 2025 15:42:06 +0000 https://blog.idrsolutions.com/?p=37739 If you are attending DevFest Istanbul on Sunday 7th December 2025, you are guaranteed a great time! It’s an amazingly friendly event, with lots... How history suggests the AI revolution will play out... https://blog.idrsolutions.com/how-history-suggests-the-ai-revolution-will-play-out/ Mark Stephens Fri, 07 Nov 2025 15:58:13 +0000 https://blog.idrsolutions.com/?p=37715 What can the old-fashioned printing press teach us about AI? More than you might think… How History might show the future Yesterday, I was... Experience the 'best 2 hours of your life' in Istanbul https://blog.idrsolutions.com/experience-the-best-2-hours-of-your-life-in-istanbul/ Mark Stephens Tue, 04 Nov 2025 14:36:09 +0000 https://blog.idrsolutions.com/?p=37591 In Sultanahmet square (Istanbul), there is a non-descript building between the Blue Mosque and Hagia Sophia. Most people just walk past it…. When I...