No module named ipykernel_launcher
Installing pip correctly is the answer https://opensource.com/article/19/5/python-3-default-mac#what-to-do install pip in the new directory, and from there- download jupyter-lab again.
macos
Unable to access MySQL after it automatically generated a temporary password
Try this: Ref:https://dev.mysql.com/doc/refman/5.7/en/data-directory-initialization-mysqld.html Following this, you may reset your password using ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘new-password’;
Error when using ‘sed’ with ‘find’ command on OS X: “invalid command code .”
If you are on a OS X, this probably has nothing to do with the sed command. On the OSX version of sed, the -i option expects an extension argument so your command is actually parsed as the extension argument and the file path is interpreted as the command code. Try adding the -e argument explicitly and giving ” as argument to -i: See this.
Not able to access adb in OS X through Terminal, “command not found”
The problem is: adb is not in your PATH. This is where the shell looks for executables. You can check your current PATH with echo $PATH. Bash will first try to look for a binary called adb in your Path, and not in the current directory. Therefore, if you are currently in the platform-tools directory, … Read more
Class JavaLaunchHelper is implemented in two places
You can find all the details here: IDEA-170117 “objc: Class JavaLaunchHelper is implemented in both …” warning in Run consoles It’s the old bug in Java on Mac that got triggered by the Java Agent being used by the IDE when starting the app. This message is harmless and is safe to ignore. Oracle developer’s … Read more
how to update npm on macOS
Perhaps you have already solved this, but here is what I found when I had exactly this issue. I had 2 versions of npm installed. I verified this as follows: I worked around the issue by updating the path in my bash profile, but would like to know why (how) I ended up with 2 … Read more
Delete .DS_STORE files in current folder and all subfolders from command line on Mac
find can do that. Just add -delete:
Open Sublime Text from Terminal in macOS
In Terminal when I use .subl It returns -bash: .subl: command not found Anyone know how to open Sublime Text 3 from the command line in macOS?
Mongod: Command Not Found (OS X)
I am trying to test MongoDB and I have it all downloaded and moved into the root folder. I can navigate to the folder that holds the mongod, but when I try to run it by typing “mongod” into my terminal, I get a message that says: “mongod: command not found”
Alert”Developer tools access needs to take control of another process for debugging to continue.Type your password to allow this.”
The first time you launched XCode, it probably asked you if you wanted to enable Developer Mode on this mac. If you accepted, then it asked you for your password, and you stopped getting this kind of warning. Chances are good that you declined, and now it has to explicitly ask you for permission every … Read more