I'm having issues with Xcode being quite unreliable when using the keyboard shortcut to comment or uncomment code ⌘+/. I can't seem to find a real pattern as to when it breaks, but it usually happens after building and running my code on the simulator. It will not work again until I edit something in any one of my code files. Even if I switch to another file in the main view, commenting via shortcut does not work. Other keyboard shortcuts, such as indenting ⌘+[ continue to work just fine.
Do other people have this issue, and if so, have you found a solution? I know it seems like a small complaint, but when running and then quickly trying to comment out a block of code to check the effect, it's a bit of an inconvenience.
I am using Xcode 6.1 (6A1052d) on OXS Yosemite 10.10 (14A389) and developing in Objective-C for iOS if that matters.
6. Comments By selecting a few lines of code (pressing ⇧+↑ or ⇧+↓), you can comment a bunch of lines in a single shot with the ⌘ + / shortcut. If the lines are already comments, the same shortcut will uncomment them.
Is there a way to comment various lines at the same time in Xcode IDE? Selecting which lines to comment, then clicking somewhere et voilá.. the /* ... */ characters wrapping the code. Thank you.
Use a forward slash ( / ) followed by an asterisk ( * ) and then a colon ( : ) for the opening comment.
For an Xcode 8, solution is
sudo /usr/libexec/xpccachectl
and restart your computer.
Hit ⌘+] once and then ⌘+/ will start working again.
You can hit ⌘+[ to undo the indentation effect.
Update:
Please note- This solution was provided prior to Xcode 8 launch so it may not work for everyone. If you are still facing problem, kindly refer to @CryingHippo's answer instead of downvoting.
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