What is File History File History is a useful feature provided by the latest versions of Windows to perform a sort of incremental backup of our files. It performs, according to a schedule, a backup of new files, but without deleting old versions of them from the backup. In this way, in case of problems with […]
How to use Windows File History for automatic folders backup Read More »
A virtual visit to the red planet, thanks to the incredible photo released by NASA. A very high resolution panoramic image, captured by the rover “Curiosity” and the result of an assemblage of 896 single photos taken on Mars between October and November 2012. The results are amazing. Here’s a tip: put it in full
Panorama of Mars at 1 billion pixels Read More »
What they are Hash are used in computer science to map a string (a sequence of bits) of arbitrary length into a string of predefined length. It is a sort of ‘signature’ of an electronic document. For each string you can calculate a hash, so each different string will have different hashes. However, calculating the
How to calculate hash MD5-SHA1-SHA-256-CRC32 in Windows Linux Mac and online Read More »
If you have found an error when opening the ‘Credentials Management’ tool in Windows 8/8.1/10, you will know that without some reset it is impossible to even read the saved passwords. This error can also affect other applications in the system, such as OneDrive or mail administrators (obviously in addition to Browsers, who use the encrypted archive of this tool to store
The MAC address (or MAC Address) is used by network cards to identify themselves in the exchange of information. MAC stands for Media Access Control and consists of a 6 byte (48 bit) long code. It is assigned by the manufacturer of the card at the time of its creation and is unique for each
How to change the MAC address to the network card on Windows Read More »
Better. zip .7z or .rar? Often we don’t even pay attention to it, but when we click on a ‘zipper’ file, we are using sophisticated compression algorithms that over the years keep getting better and better. There are many algorithms and therefore compression formats: Zipper, Rar, GZip, BZip2, 7z, Tar, Tar.gz … Among the most popular on Windows we have: 7z, Zip and Rar. The first and the second one
RAR5 vs RAR4 vs 7ZIP – A quick comparison Read More »
SOHO – Solar and Heliospheric Observatory EIT 304 EIT 195 EIT 171 EIT 284 LASCO C2 LASCO C3 H-Alpha H-Alpha Contrasted Nobeyama 17 GHz Magnetogram 525.02nm (Fe I) Solar X-rays Geomagnetic Field X-Ray flux Electron flux Proton flux Magnetometer Satellite Environment SOLAR WIND Total Electron Content (TEC) Latest 48h of photon data Solar
Solar activity in real time with SOHO (NASA ESA NOAA) Read More »
Many times you may have wanted to change the icon to a folder under Windows. The default choice, however, is often poor, with icons that refer to the years of Windows XP. There is, however, a little trick that allows us to quickly explore all the new system icons. In the little window for the icon
How to get better icons in Windows 7 8 and Windows 10 Read More »
When you buy a new SSD to install an operating system from scratch, there are no problems.. Windows will make the correct alignment right away. However, if you migrate data from an HDD to an SSD, it can happen (and often happens) that the partition is not aligned as it should. This is because
Aligment of partition from HDD to SSD, how to make and check it Read More »
In some situations we may have to connect to a Wifi network that is not ‘visible’ from our homes. Especially on holiday, where we are forced to stand at the window to try to get a better signal from a public HotSpot. How to ‘repeat’ the signal picked up outside, in our house? We
How to create a Wi-Fi hotspot in Windows 7 8 or Windows 10 in a few steps Read More »
