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Remove the last line from a file in Bash
...p
Of course, in that case you could also use head -n -1 instead of sed.
MacOS:
On Mac OS X (as of 10.7.4), the equivalent of the sed -i command above is
sed -i '' -e '$ d' foo.txt
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impr...
How do you stop MySQL on a Mac OS install?
I installed MySQL via MacPorts . What is the command I need to stop the server (I need to test how my application behave when MySQL is dead)?
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Does ARC support dispatch queues?
...or the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. You do not ne...
Docker can't connect to docker daemon
...r runs with correct permissions.
Start docker.
sudo service docker start
Mac OS X
As Dayel Ostraco says is necessary to add environments variables:
docker-machine start # Start virtual machine for docker
docker-machine env # It's helps to get environment variables
eval "$(docker-machine env def...
How do I create a new class in IntelliJ without using the mouse?
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For Mac Os, command + 1 , then press control + return
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Update R using RStudio
...RStudio
rejoice
--wait - what about my beloved packages??--
ok, I use a Mac, so I can only provide accurate details for the Mac - perhaps someone else can provide the accurate paths for windows/linux; I believe the process will be the same.
To ensure that your packages work with your shiny new v...
PHP script - detect whether running under linux or Windows?
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You can check if the directory separator is / (for unix/linux/mac) or \ on windows. The constant name is DIRECTORY_SEPARATOR.
if (DIRECTORY_SEPARATOR === '/') {
// unix, linux, mac
}
if (DIRECTORY_SEPARATOR === '\\') {
// windows
}
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How can I remove the gloss on a select element in Safari on Mac?
On Macs and iOS devices, in Safari, a <select> element with a background color generates a gloss over itself. This does not seem to happen in other operating systems.
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Code formatting shortcuts in Android Studio for Operation Systems
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Windows: Ctrl + Alt + L
Linux: Ctrl + Shift + Alt + L
macOS: Option + Command + L
Reference: Key Commands and here are all of the commands for Windows/ Linux users and for Mac users.
As Rohit faced a problem in Ubuntu with the format code shortcut, this is due to the Ctrl + ...
How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
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