What is the difference between a certificate and a key with respect to . . . A certificate contains a public key The certificate, in addition to containing the public key, contains additional information such as issuer, what the certificate is supposed to be used for, and other types of metadata Typically, a certificate is itself signed by a certificate authority (CA) using CA's private key This verifies the authenticity of the certificate
How can I group by and sum a column in excel? - Super User I'm trying to figure out how to "group by" values in an Excel spreadsheet Given the following example (this is an inventory sheet I use at my restaurant:) At the far right of the spreadsheet ther
Windows INSERT key anti-functionality accidentally triggers; how to . . . How to Disable the Insert Key in Windows Almost anyone who has used a wordprocessor has accidentally hit the Insert key and overwritten when they thought they were editing This article describes a simple way to disable the Insert key on your keyboard Whenever you press a key, a windows message is created, which contains a key code that uniquely identifies the key pressed Programmes (like
Map one column to x axis second to y axis in excel chart I think this is the hidden problem The chart wizard sees text in the first line and accepts this as headers It then looks at the second line and sees Not-a-number and used the first column for series legends and makes it into a Y-X chart Important to have only numbers in the first column, top cell can be a legend