windows visual studio CTRL + . for mac - windows

I am at the stage of learning flutter over video. In the video, the windows user performs an operation with the command "CTRL + . ", when I do this on my mac computer with "command + . ", there is no result. What is the equivalent of this command in windows on mac computers?

it called Refactor on VSCode
you can customize the shorcut from:
File>Preferences>Keyboard Shorrcuts.
by default the keyboard shortcut is :
Ctrl+Shift+R (windows)
Ctrl+Shift+R (mac)
or you can Right click on the Widget and Refactor

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Android Studio on Mac: command for uncomment/comment lines of code overriden

I updated my Android Studio recently (Electric Eel 2022.1.1 Patch 1) and whenever I press:
Command (⌘) + 7 it opens "Structure" window instead of uncommenting/commenting lines of code.
How can I get rid off this keybind for opening "Structure"?
Found solution: Open preferences -> keymap -> search for "structure" and remove the key binding, or add new shortcut cmd for comment line of code.

how to shift code up or down with the up and down arrow keys on vs code mac?

On linux, i press alt + up or down to shift code up or down on vs code.
how do i do the same on mac?
it's a command Move Line Up/Down.
open show all command with shift+cmd+p
type Preferences: Open keyboard shortcuts
search move line
look what keybinding you have (mine was option + up/down)

Open RMarkdown programatically or with a shortcut in RStudio

I can open R Script with Ctrl + Shift + N. How to use a shortcut to open a rmarkdown file immediately in RStudio?
Is there a solution from the command line?
I use Ubuntu 16.04
I don't know of a true built in shortcut - but you can navigate with alt as alt + F + F + M (in sequence, not at the same time) on Windows RStudio

Indent/format code in Visual Studio code on MAC

i'm trying to indent my code in visual studio code. I searched and i found that ctrl + F + K should be work, but it doesn't. I tried cmd + k + f too, but it still not working. I hope you can help me!
The shortcut is: Alt + Shift + F
Updated December 21, 2017: as pointed out by Fabio, on mac it should be: ⌘ + ]
On Windows: indent control is ctrl + ]
A good way to find commands is by navigating to:
Code -> Preferences -> Keyboard Shortcuts
Also, the Visual Studio Code team provided those handy shortcut pdfs:
MacOS
Windows
Linux
Another helpful command to achieve this might be: shift + option + f which is auto format.
The shortcut to format code on Visual Studio for Mac Community Edition is Ctrl + i
(edited on 4th Jan 2023: the answer below still remains the same, in version 1.74.2, Nov 2022)
For visual studio code version 1.36.1 (2019)
To auto-format the selection, use ⌘K ⌘F (the trick is that this is to be done in sequence, ⌘K first, followed by ⌘F).
To just indent (shift right) without auto-formatting, i.e., blindly indent, use ⌘]
As indicated in Visual Studio Code's Keyboard Shortcuts (⌘K ⌘S, or from the menu as shown below)
The shortcut to align code in MAC is : Option/ALT + Shift + F.
Visual Studio for Mac Community Edition v 7.5.4 code format is: ^ I
The shortcut is:
Option Shift F
Mac 16 M1 Pro
cmd + k + f working for me
On Visual Studio for Mac Version 8.7
Select the code and go Edit -> Format -> Format Document
cmd + A + cmd + K + cmd + F
this worked for me.
All I do is to hold "cmd" and then press A, K, and F one by one.
Only Ctrl + I for me worked.
Everything else hasn't worked.
Fix Formatting in Visual Studio for MAC 2019: Control + I
Source here

Searching for file with a name in IntelliJ IDEA community edition 14 on Mac

So I have used Intellij Idea on Ubuntu before and the shortcut for "searching a file with a name in the project directory" used to be
Ctrl + Shift + n
I have tried
command + Shift + n
control + Shift + n
but if just opens a "New scratch" dialog. Does anyone know whats the correct shortcut in the Mac?
The shortcut on OS X is ⌘+Shift+O (at least in the OS X 10.5+ keymap, which should be default).
Or you can use more universal shortcut Shift+Shift (Search everywhere action) which is the same on Windows/OS X/Linux and searches through classes, symbols, files, etc.
Here is also a convenient list of important IntelliJ shortcuts on OS X.
If by some reason the default keymap is changed, there are several ways to see the actual shortcut:
open "Main Menu > Navigate" and see what is the shortcut in frong of "File ..." sub menu;
open "Help > Find Action" and type "navigate file", the shortcut will be displayed in front of the action;
open "File > Settings > Keymap" and search for "navigate file" action, again the shortcut will be displayed in front of the action.

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