Bash

#!/bin/bash
  
  ###### CONFIG
  ACCEPTED_HOSTS="/root/.hag_accepted.conf"
  BE_VERBOSE=false
  
  if [ "$UID" -ne 0 ]
  then
   echo "Superuser rights required"
   exit 2
  fi
  
  genApacheConf(){
   echo -e "# Host ${HOME_DIR}$1/$2 :"
  }
  
  echo '"quoted"' | tr -d \" > text.txt

C#

using System.IO.Compression;

#pragma warning disable 414, 3021

namespace MyApplication
{
[Obsolete("...")]
class Program : IInterface
{
    public static List<int> JustDoIt(int count)
    {
        Span<int> numbers = stackalloc int[length];
        Console.WriteLine($"Hello {Name}!");
        return new List<int>(new int[] { 1, 2, 3 })
    }
}
}

CSS

@font-face {
font-family: Chunkfive; src: url('Chunkfive.otf');
}

body, .usertext {
color: #F0F0F0; background: #600;
font-family: Chunkfive, sans;
--heading-1: 30px/32px Helvetica, sans-serif;
}

@import url(print.css);
@media print {
a[href^=http]::after {
content: attr(href)
}
}

Markdown

# hello world

you can write text [with links](http://example.com) inline
 or [link references][1].

* one _thing_ has *em*phasis
* two __things__ are **bold**

[1]: http://example.com

---

hello world
===========

<this_is inline="xml"></this_is>

> markdown is so cool

so are code segments

1. one thing (yeah!)
2. two thing `i can write code`, and `more` wipee!

Diff

Index: languages/ini.js
===================================================================
--- languages/ini.js    (revision 199)
+++ languages/ini.js    (revision 200)
@@ -1,8 +1,7 @@
hljs.LANGUAGES.ini =
{
case_insensitive: true,
-  defaultMode:
-  {
+  defaultMode: {
 contains: ['comment', 'title', 'setting'],
 illegal: '[^\\s]'
},

*** /path/to/original timestamp
--- /path/to/new      timestamp
***************
*** 1,3 ****
--- 1,9 ----
+ This is an important
+ notice! It should
+ therefore be located at
+ the beginning of this
+ document!

! compress the size of the
! changes.

It is important to spell

Ruby

# The Greeter class
class Greeter
def initialize(name)
@name = name.capitalize
end

def salute
puts "Hello #{@name}!"
end
end

g = Greeter.new("world")
g.salute

Go

package main

import "fmt"

func main() {
ch := make(chan float64)
ch <- 1.0e10    // magic number
x, ok := <- ch
defer fmt.Println(`exitting now\`)
go println(len("hello world!"))
return
}

TOML, also INI

; boilerplate
[package]
name = "some_name"
authors = ["Author"]
description = "This is \
a description"

[[lib]]
name = ${NAME}
default = True
auto = no
counter = 1_000

Java

/**
* @author John Smith <john.smith@example.com>
*/
package l2f.gameserver.model;

public abstract strictfp class L2Char extends L2Object {
public static final Short ERROR = 0x0001;

public void moveTo(int x, int y, int z) {
_ai = null;
log("Should not be called");
if (1 > 5) { // wtf!?
  return;
}
}
}

JavaScript

function $initHighlight(block, cls) {
try {
if (cls.search(/\bno\-highlight\b/) != -1)
  return process(block, true, 0x0F) +
         ` class="${cls}"`;
} catch (e) {
/* handle exception */
}
for (var i = 0 / 2; i < classes.length; i++) {
if (checkCondition(classes[i]) === undefined)
  console.log('undefined');
}

return (
<div>
  <web-component>{block}</web-component>
</div>
)
}

export  $initHighlight;

JSON

[
{
"title": "apples",
"count": [12000, 20000],
"description": {"text": "...", "sensitive": false}
},
{
"title": "oranges",
"count": [17500, null],
"description": {"text": "...", "sensitive": false}
}
]

Kotlin

import kotlinx.serialization.Serializable
import kotlin.random.Random

interface Building

@Serializable
class House(
private val rooms: Int? = 3,
val name: String = "Palace"
) : Building {
var residents: Int = 4
    get() {
        println("Current residents: $field")
        return field
    }

fun burn(evacuation: (people: Int) -> Boolean) {
    rooms ?: return
    if (evacuation((0..residents).random()))
        residents = 0
}
}

fun main() {
val house = House(name = "Skyscraper 1")
house.burn {
    Random.nextBoolean()
}
}

Less

@import "fruits";

@rhythm: 1.5em;

@media screen and (min-resolution: 2dppx) {
body {font-size: 125%}
}

section > .foo + #bar:hover [href*="less"] {
margin:     @rhythm 0 0 @rhythm;
padding:    calc(5% + 20px);
background: #f00ba7 url(http://placehold.alpha-centauri/42.png) no-repeat;
background-image: linear-gradient(-135deg, wheat, fuchsia) !important ;
background-blend-mode: multiply;
}

@font-face {
font-family: /* ? */ 'Omega';
src: url('../fonts/omega-webfont.woff?v=2.0.2');
}

.icon-baz::before {
display:     inline-block;
font-family: "Omega", Alpha, sans-serif;
content:     "\f085";
color:       rgba(98, 76 /* or 54 */, 231, .75);
}

Lua

--[[
Simple signal/slot implementation
]]
local signal_mt = {
__index = {
    register = table.insert
}
}
function signal_mt.__index:emit(... --[[ Comment in params ]])
for _, slot in ipairs(self) do
    slot(self, ...)
end
end
local function create_signal()
return setmetatable({}, signal_mt)
end

-- Signal test
local signal = create_signal()
signal:register(function(signal, ...)
print(...)
end)
signal:emit('Answer to Life, the Universe, and Everything:', 42)

--[==[ [=[ [[
Nested ]]
multi-line ]=]
comment ]==]
[==[ Nested
[=[ multi-line
[[ string
]] ]=] ]==]

Makefile

# Makefile

BUILDDIR      = _build
EXTRAS       ?= $(BUILDDIR)/extras

.PHONY: main clean

main:
@echo "Building main facility..."
build_main $(BUILDDIR)

clean:
rm -rf $(BUILDDIR)/*

SBS Slim Font

See it in ACTION

Bash

C#

CSS

Markdown

Diff

Ruby

Go

TOML, also INI

Java

JavaScript

JSON

Kotlin

Less

Lua

Makefile