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where m is the slope. where b is the y -intercept. The slope is the change in y over the change in x. This is commonly known as the riserun .
Originally Answered: Why android professional programers name variables with 'm' at the beginning like mImage? The 'm' stands for 'member' and tells you that a variable isn't a local variable or a method parameter but a class member. Another often used naming convention is to start member names with '_'.
M is an abbreviation used for the MUMPS programming language. 2. When used to describe a keyboard shortcut or sequence, "M-" is the GNU notation used to represent the meta key or Alt key if set up as a meta key. For example, M-c is short for pressing Alt and C at the same time on the keyboard.
Letter m as prefix means that it is member of class. Letters lv means that it is local variable. Letters pm means that it is parameter.
It stands for member. I personally find this convention unhelpful, but it's subjective.
See Code Style Guidelines for Contributors: Follow Field Naming Conventions. The use of the "m" prefix is more specific that simply denoting a "member" variable: It's for "non-public, non-static field names."
According to Android source code documentation:
Note that this is for writing Android source code. For creating Android apps, the Google Java Style Guide may be more helpful.
The m is here to indicate a member variable.
It has 2 huge advantages:
'm' means member of the class. So, if you don't use IDE to highlight your members, then you will understand that it is a member by it's name
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