Code Blocks
Python
# comment
def function(n: int) -> None:
i = 0
while i <= n:
print(i)
Bash
# comment
function () {
for ((i = 0 ; i <= $1 ; i++)); do
echo $i
done
}
SQL
-- comment
SELECT
col1,
col2
FROM tab
WHERE
col2 IN (1, 2, 3)
OR col1 LIKE 'abc%'
HTML
<!-- comment -->
<p>
This is a <b>paragraph<b>.
<p>
CSS
/* comment */
.class {
font-size: 12px;
}
YAML
# comment
people:
- john:
age: 20
job: job
- amy:
age: 30
job: job
TOML
# comment
[people]
[people.john]
age = 20
job = "job"
[people.amy]
age = 30
job = "job"
JSON
{
"people": {
"john": {
"age": 20
"job": "job"
}
"amy": {
"age": 30
"job": "job"
}
}
}
Diff
unchanged
+ addition
- deletion
nginx
# comment
server {
listen 80;
location / {
root /usr/share/nginx/html;
index index.html;
}
}
Access Log
127.0.0.1 - - [01/Jan/2000:00:00:00 +0000] "GET / HTTP/1.1" 200 140 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.5 Safari/535.19"
Dockerfile
# comment
FROM ubuntu:26.04
RUN apt-get update && \
apt-get install -y redis-server && \
apt-get clean
EXPOSE 6379
CMD ["redis-server", "--protected-mode", "no"]