How To Install elpa-memoize on Ubuntu 18.04
Introduction
In this tutorial we learn how to install elpa-memoize
on Ubuntu 18.04.
What is elpa-memoize
elpa-memoize is:
This package provides memoization functions. `memoize’ accepts a symbol or a function. When given a symbol, the symbol’s function definition is memoized and installed overtop of the original function definition. When given a function, it returns a memoized version of that function.
Memoization takes up memory, which should be freed at some point. Because of this, all memoization has a timeout from when the last access was.
There are three methods to install elpa-memoize
on Ubuntu 18.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install elpa-memoize Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install elpa-memoize
using apt-get
by running the following command:
sudo apt-get -y install elpa-memoize
Install elpa-memoize Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install elpa-memoize
using apt
by running the following command:
sudo apt -y install elpa-memoize
Install elpa-memoize Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install elpa-memoize
using aptitude
by running the following command:
sudo aptitude -y install elpa-memoize
How To Uninstall elpa-memoize on Ubuntu 18.04
To uninstall only the elpa-memoize
package we can use the following command:
sudo apt-get remove elpa-memoize
Uninstall elpa-memoize And Its Dependencies
To uninstall elpa-memoize
and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove elpa-memoize
Remove elpa-memoize Configurations and Data
To remove elpa-memoize
configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge elpa-memoize
Remove elpa-memoize configuration, data, and all of its dependencies
We can use the following command to remove elpa-memoize
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge elpa-memoize
References
Summary
In this tutorial we learn how to install elpa-memoize
package on Ubuntu 18.04 using different package management tools: apt
, apt-get
and aptitude
.