Voina Blog (a tech warrior's blog) code, tech recipes, mindfulness, books, reviews and more

Migrate legacy application using Oracle 10g to Oracle 12c

By George Valentin Voina | March 16, 2019

After upgrading my developement Oracle database to 12c I discovered that an old legacy application still under support was no longer working throwing the following Oracle error: After some digging I found the following reported bug: Bug 14575666 In 12.1, the default value for the SQLNET.ALLOWED_LOGON_VERSION parameter has been updated to 11. This means that… Read More: Migrate legacy application using Oracle 10g to Oracle 12c »

Create local users in #Oracle 12c

By George Valentin Voina | March 16, 2019

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One of the most annoying things is when some vendor decides that it is a good idea to change some very basic and long time existing basic behaviour. In the new Oracle 12c you are no longer able to create local users the old way as sys: If you try to execute the above the… Read More: Create local users in #Oracle 12c »

Some travellers you meet when you #BusinessTravel

By George Valentin Voina | February 8, 2019

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If you travel a lot by plane you stumble on all sort of people in the airports. This is a short list of the types I identified: The lost bunch: People running around like headless chickens, lost in the terminal. They annoy everybody and create a buzz in the terminal. The herd: Compact group of… Read More: Some travellers you meet when you #BusinessTravel »

Programming humour

By George Valentin Voina | February 8, 2019

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Short thoughts on Code #Refactoring

By George Valentin Voina | December 15, 2018

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You know when your code turns into spaghetti and you start wondering what you were eating or smoking when you wrote that code. Usually nobody is such a bad programmer that writes spaghetti code, spaghetti code is something that builds in time when features are added at big pace or when you implement fixes or… Read More: Short thoughts on Code #Refactoring »

My #businesstrip to #Luanda #Angola

By George Valentin Voina | February 5, 2020

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This is another trip done in August 2018. How to get there: Going to Angola is easy, there are a lot of airlines flying there. Obviously, the Portuguese airline has daily fights from Lisbon but you can also take the direct flight from Paris or Brussels. Luanda is a very strange place in… Read More: My #businesstrip to #Luanda #Angola »

My #businesstrip to #Ulaanbaatar #Mongolia

By George Valentin Voina | September 27, 2020

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Working for a multinational company that implements payment systems across the world has its ups and downs. Traveling to new and strange places which are not usually on ones travel wish list is one of the ups. This is just my opinion, I know people for which having to travel to strange places is a… Read More: My #businesstrip to #Ulaanbaatar #Mongolia »

#Java #Weblogic : The server is in an incompatible state

By George Valentin Voina | November 19, 2018

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WebLogic application server has its share of mind boggling error messages the same as its competition like WebSphere or JBoss. For some weird reason my servers (WebLogic version of a JVM instance) all dies and entered the weird state of “INCOMPATIBLE STATE”. Of course the author of that state label forgot to mention “incompatible with… Read More: #Java #Weblogic : The server is in an incompatible state »

Recenzie: Budism pentru oameni ocupați : găsirea fericirii într-o lume grăbită / David Michie. – București : Atman, 2018

By Romana Salageanu | November 19, 2018

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De curând am luat contact cu ideile budismului și cu câteva dintre învățăturile acestei filozofii. Acum câteva zile am început să citesc cu mare plăcere cartea lui David Michie Budism pentru oameni ocupați : găsirea fericirii într-o lume grăbită. O recomand celora care și-au pus vreodată întrebarea despre sensul vieții sau altfel exprimată, despre sensul… Read More: Recenzie: Budism pentru oameni ocupați : găsirea fericirii într-o lume… »

De ce iubesc România?

By Romana Salageanu | February 5, 2020

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Titlul acestui prim articol este un titlu care mi-a trecut prin minte, cu gândul la o carte căreia doresc să îi scriu recenzie. Cugetând la acea carte am realizat că mintea mea a combinat două titluri, anume De ce iubim femeile de Mircea Cărtărescu și Cum să fii fericit în România, o antologie de povestiri… Read More: De ce iubesc România? »