Category: Software
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Ikea-style instructions for computer algorithms
Designed to help in a computer science and algorithms teaching course, these are great ideas of algorithm descriptions using only simplified drawings and no word (styled like Ikea assembly instructions). I love them. Idea-instructions.
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GDPR: Some helpful documentation
It seems that I can help some readers with a library of information about GDPR, the new (in May 2018) European Regulation about Privacy and the handling Personal Data on web sites. It may appear as quite complex. So, I collected a list of those articles I found most interesting for a first reading/introduction (aimed at…
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How to comply with GDPR in WordPress
I have several web sites wirtten with WordPress and I needed to comply with the new GDPR European regulation (new in May 2018). After a few hours of work to find how to do this right… I decided to share my experience and show the steps I went through; not very difficult, but rather lenghty,…
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Easily identify your USB sticks
Our computers have more and more USB ports, and we have so many storage drives plugged into them (USB drives, USB thumb drives, memory card readers, etc.) that it is somewhat difficult to recognize them all when they are displayed on the desktop. In the example below, you wonder which one is which among all…
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Zero digital noise photography
A few years ago I had written about Guillermo Luijk’s technique to remove completely noise from digital photos. We know that this is a difficult task, but his solution is relatively simple: Shot the scene in a correct exposure according to our usual workflow; Repeat the shot now reducing shutter speed by 4 f-stops that…
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My own participation to Emacs history
A few versions of this text editor (sometimes) loved by many software programmers / Archive of old Emacs versions.
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Authy, solution to 2FA pains
In the past, I have been known to push for the use of two-factor authentication for as many web sites as possible. Through the use of an app running on my smartphone, I can provide a code that is much safer than the SMS text message sent by some web sites and that can be…
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Synology-based synchronization solution
When CrashPlan announced the end of its unlimited backup service, I had to actively seek a new solution asking myself the question of how to provide two services I was previously (more or less) getting from this provider: Backups Synchronization between several machines (several PC and several iPhone) CrashPlan easily provided the backup feature despite…
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PHP7 for WordPress
My hosting company (OVH.com) is very cautious and does not push me into upgrading silently PHP on the servers. But I was still in PHP5 when I noticed that I could go up to PHP7. WordPress informs me that the simple upgrade could improve speed by a ratio of 2x to 3x. So, it was…