When typing in a buffer with company-mode the completions popup shows after typing the third character:
Is it possible to do this after typing the first or second charater?
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You can set
company-minimum-prefix-length to a desire value of your choice:
(setq company-minimum-prefix-length 2)
You can use the customize interface
M-x customize and search for
company in there using the search box. It will list relevant options related to the package. You can also search for a variable with C-h v or search for a command with C-h a, which is
apropos-command is bound to by default. If you like interactive apropos that gives you everything: functions, commands and variables, and gives you instant feedback for every character entered), you can use helm-apropos. Helm in general is really convenient and user friendly. See my Helm guide for details.