I had the need to concatenate several PDFs into just one. A bunch of music scores for my band I want to keep on the ipad as a single file instead dozens of separate files.

So long!. I know, 2020 has been such a strange year. For me, it also was the first time (yes, in my life) I switched to another company. Coming from being self-employed on my own company, it was a great challenge but I’m really happy about it. Even I had to be forced to keep my mind fully in focus for work.

I recently got a pair of cheap HyperFido keys. Some of them are as cheap as 5,5€ on Amazon but you can get others which maybe have better quality. Also, there are another keys which have support for bluethooh, NFC, and other features that can be very useful.

In postgresql it’s pretty easy to show which queries can be optimized on your application. Or, at least, which queries are more time consuming.

It’s a common task: “Please, add my public ssh key to that host”.