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 …
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 »
A brief guide to help you resuscitate your PC in case you are no longer able to start after malicious driver updates. NOTE: This guide also applies in the event of an error due to driver installation that is not compatible with your system. Blue error screen: CRITICAL_SERVICE_FAILED. If you are in the condition of not being able to …
Restore Windows following a driver error or failed update Read More »
It may have happened that you entered the wrong password on Windows (XP/7/8/10…) and noticed that the computer took longer to retry the input field. Many will have wondered why when you enter the correct password the PC recognizes it immediately, while it remains in a sort of semi-stall otherwise. Some may have thought that …
