What are wildcards?
In computer and programming, a wildcard is a character, word, or string that can be used!
1.) ... placeholder in the file search!
2.) ... placeholder during programming!
3.) ... general placeholder!
1.) Placeholder in the file search!
* is a popular placeholder
For example, find files that begin with the word place
More on this: ►► wildcards, compare characters, search and find (file exchange)!
2.) Placeholder when programming!
To take up space until the storage space is needed. For example, a programmer may know that he needs a certain number of values or variables, but does not yet know what to enter.
So you can use a placeholder as a temporary solution until a suitable value or variable can be assigned.
3.) Placeholder in general terms!
If someone in the tram, subway, bus, ... takes care of their seat, for example, it is also a placeholder that keeps your space free so that it is not occupied. And you don't have to drive standing up.
FAQ 91: Updated on: 24 May 2020 16:17
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