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@drmalex07
drmalex07 / README-oneshot-systemd-service.md
Last active May 15, 2024 10:52
An example with an oneshot service on systemd. #systemd #systemd.service #oneshot

README

Services declared as oneshot are expected to take some action and exit immediatelly (thus, they are not really services, no running processes remain). A common pattern for these type of service is to be defined by a setup and a teardown action.

Let's create a example foo service that when started creates a file, and when stopped it deletes it.

Define setup/teardown actions

Create executable file /opt/foo/setup-foo.sh:

@samiraguiar
samiraguiar / MC Cheat Sheet
Last active June 7, 2024 19:25 — forked from maciakl/MC Cheat Sheet
Midnight Commander Cheat Sheet / Shortcuts
Note for newcomers:
In the shortcuts below, "C" stands for CTRL and "A" stands for "ALT". This is a convention
used in the Midnight Commander documentation and was kept here.
You can also use "ESC" instead of "ALT", which is useful on Macbooks.
Main View
---------------------------------------------------------------
- File/directory operations
@DaveKin
DaveKin / _propmap.scss
Last active February 22, 2023 13:05
Utility SASS mixin to convert a map of property names and values to CSS
/**
* Converts a SASS map of css property names and values into CSS output.
* Properties named `description` will have their value inserted as comments.
*
* Nested maps will be processed recursively.
*
* @param {map} $map the map of properties to output
*/
@mixin map-to-props($map){
@if type-of($map) == map {
@chrisdone
chrisdone / typing.md
Last active May 9, 2024 15:27
Typing Haskell in Haskell

Typing Haskell in Haskell

MARK P. JONES

Pacific Software Research Center

Department of Computer Science and Engineering

Oregon Graduate Institute of Science and Technology

@lossyrob
lossyrob / write-one-line-text.scala
Last active August 14, 2019 07:54
Read \ Write a text file in one line Scala
def write(path: String, txt: String): Unit = {
import java.nio.file.{Paths, Files}
import java.nio.charset.StandardCharsets
Files.write(Paths.get(path), txt.getBytes(StandardCharsets.UTF_8))
}
def read(path: String): String =
scala.io.Source.fromFile(path, "UTF-8").getLines.mkString
@ramn
ramn / Deserialization.scala
Last active October 18, 2023 17:42
Object serialization example in Scala
import java.io._
@SerialVersionUID(15L)
class Animal(name: String, age: Int) extends Serializable {
override def toString = s"Animal($name, $age)"
}
case class Person(name: String)
// or fork := true in sbt
@m242
m242 / gist:1205631
Created September 9, 2011 06:43
Scala Option in JavaScript
var MyOption, Option;
Array.prototype.filter = function(f) {
var x, _i, _len, _results;
_results = [];
for (_i = 0, _len = this.length; _i < _len; _i++) {
x = this[_i];
if (f(x)) {
_results.push(x);
}