Author Archives: George Valentin Voina

Learning GO: Obtaining a unique sequence from #PostgresSQL with #golang

By | May 21, 2018

At some point I discovered GO trying to do very simple and fast code for specific tasks without having to load lots of libraries, deploy application servers or set up complicated frameworks. If you want to build fast very small native micro-services that can be deployed in a docker instance < 10MB Go is the… Read More »

Investigate #Oracle #deadlocks

By | May 10, 2018

Sometimes we may end up having some application resources competing for the same resource on our Oracle database. This is usually the case when some exclusive resource must be allocated or updated as in the case of database based locking mechanisms. If there are code issues we may end up in a deadlock situation when… Read More »

Activate the old style #Windows 10 Uninstall to remove old applications

By | May 25, 2018

Windows 10 has the stupid habit specific to Microsoft to consider that users are stupid and hide features that seems too complicated. As a side effect some important features are hidden from users. One of the most annoying one is the possibility of removing old applications that have an old style installer. In the new… Read More »

Measure speed with Paul Garnier #vintage #chronograph

By | March 17, 2021

In the old times when smartphones and smart watches we’re not invented yet people had to rely on beautiful machines to aid them in making quick computations that are not ready and natural to do. I am fascinated by watches from the same reason I like modern technology. It enhances humans, making them better, gives… Read More »

Elevate guest/standard #Windows 10 user to administrator from safe mode

By | April 22, 2018

There is a known issue that when you upgrade from Windows 7 Pro to Windows 10 Pro directly you may end up with your only user changed from administrator to guest. This is what happened to me on one of the family laptops. Of course you end up with a stupid useless machine on which… Read More »

Vodafone #Romania and #GDPR, or how to trick customers to circumvent #GDPR

By | April 22, 2018

Yesterday I received two weird SMS messages from Vodafone. They are basically trying to trick me in accepting a contract that is invalidating some of my rights that I will get due to the new European GDPR regulation. First message: Buna! Iti oferim cadou 5 GB trafic national,valabil 30 de zile; pentru aceasta te invitam… Read More »

#Facebook clean-up check-list for people who cannot #deletefacebook

By | April 22, 2018

Due to the fuck-up of Facebook I decided to drastically remove my contact with it. I am not from the pack that just now discovers “amazed” that on Facebook you are the product. My upbringing as an East-European kid in a communist dictatorship made me aware early in life that there is no free meal.… Read More »

AP-AC-Pro with #Unifi as a taxi monitoring tool

By | April 22, 2018

It is always fun to find new usage to UBNT devices. I just discovered that my UniFi AP-AC-Pro is a powerful monitoring tool for the Wi-FI enabled taxis. In a city that considers itself as one of the “Silicon Valleys” of Eastern Europe Internet is a must. Obviously in such an environment having a Hot-Spot… Read More »

Disable core dump generation on #Linux

By | April 22, 2018

Generation of core dumps that result in freezing the Linux system is another common issue in the new Linux kernels discussed on many forum threads. Same as the bug of kswapd0 discussed here Kswapd0 going haywire this can become very annoying. It seems that lately someone tries to add developer features turned on by default… Read More »

Banking 2.0 or the online revolution #Revolut

By | March 10, 2018

The rise of alternative banking is starting to get in the mainstream. Just 10 years ago there was a limited number of banks who offered the possibility to connect to your account online and get electronic statements. Now we see pressure to get the consumer closer and closer to the bank operations and make it… Read More »