caramelchocolate

<?php
	# shell
	# $ printf '\xF0\x9D\x95\x92'
	# $ printf "𝕒"| hexdump
	
	# f09d9592 𝕀
	$start	= 4036859264;
	$end	= 4036859281;
	for ($i=$start; $i<$end; $i++) {
		$hex = escape(dechex($i));

caramelchocolate

from django.contrib import admin

"""
admin側ではproxyなどを使うと __str__ がうまく継承されない。
単純に継承したほうがいいかも。
"""

@admin.register(parendeModel)
class parentAdmin(admin.ModelAdmin):
    pass

caramelchocolate

// ref: https://docs.djangoproject.com/en/2.2/ref/csrf/#ajax

// 下記の関数のソースは上記の公式ドキュメントを参考
var csrftoken = Cookies.get('csrftoken');

$.ajaxSetup({
	headers: {
		'X-CSRFToken': csrftoken
	}
});

caramelchocolate

# ref: https://docs.djangoproject.com/en/2.2/topics/forms/modelforms/#overriding-the-default-fields
from django import forms
class fooForm(forms.ModelForm):
	class Meta:
		model = foo
		fields = ('name',)

		labels = {
            'name': 'なまえ',
        }

caramelchocolate

# ref: https://docs.djangoproject.com/en/2.2/ref/contrib/admin/#django.contrib.admin.ModelAdmin.list_per_page
from django.contrib import admin
class fooAdmin(admin.ModelAdmin):
	# リスト表示で最大何件表示するか
	list_per_page = 1

caramelchocolate

<?php
	for ($i=0; $i<256; $i++) {
		$hex = sprintf('%02s', dechex($i));
		$bin = pack('H*', $hex);
		echo '0x'.$hex . ' ' . md5($bin) . PHP_EOL;
	}
?>

caramelchocolate

php main.php 
ec824fb844e4df008219d4c1af2a7673eff8a762aac7acef5104e021ee39c498a9389620571cb9e77627ec6a03e8d72b5930abc65d2a7c3265676897aa46bbc7

python main.py
ec824fb844e4df008219d4c1af2a7673eff8a762aac7acef5104e021ee39c498a9389620571cb9e77627ec6a03e8d72b5930abc65d2a7c3265676897aa46bbc7

caramelchocolate

#!/bin/sh

prefix="__"

usage_error ()
{
	echo "$0: $*" >&2
	print_usage >&2
	exit 2
}

caramelchocolate

$ php -r "echo hash('sha256','test');"
9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

$ printf 'test' | openssl sha256
9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

$ python --version
Python 3.6.0
$ python -c 'import hashlib; print(hashlib.sha256(b"test").hexdigest())'
9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

caramelchocolate

#!/bin/sh

cat <<-EOF | xargs -L1 -P4 sh -c
'sleep 3; echo "sleep3 end"'
'sleep 4; echo "sleep4 end"'
'sleep 2; echo "sleep2 end"'
'sleep 1; echo "sleep1 end"'
EOF