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- Open Automator 
- File -> New -> Quick Actions 
- Change "Service Receives" to "files or folders" in "Finder" 
- Add a "Run Shell Script" action 
- Change "Pass input" to "as arguments" 
- Paste the following in the shell script box: open -n -b "com.microsoft.VSCode" --args "$*" 
- Save it as something like "Open in Visual Studio Code"

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from https://medium.com/@giposse/scala-reflection-f5bde5fce630:

import javaAnnotations.{ SomethingIzable, VaporElement}
 
 import scala.reflect.runtime.{universe => ru}
 import ru._
 
 @SomethingIzable(value = “Teletransport”, level = 35)
 case class Annotated (
 field1 : Integer,

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courtesy to https://foofish.net/https-free-for-lets-encrypt.html

第一步：创建 Let's Encrypt 账号
openssl genrsa 4096 > account.key
第二步：创建域名的CSR（CERTIFICATE SIGNING REQUEST）
#创建普通域名私钥
openssl genrsa 4096 > domain.key
#单个域名
openssl req -new -sha256 -key domain.key -subj "/CN=foofish.net" > domain.csr

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mvn org.fusesource.mvnplugins:maven-graph-plugin:reactor -Dhide-external=true

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import pygame

pygame.init()
text = "庞中华"
font = pygame.font.Font("/path/to/庞中华行书.ttf", 25)
rtext = font.render(text, True, (0, 0, 0), (255, 255, 255))
pygame.image.save(rtext, "t.gif")

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

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task dependencyReport {
	doLast {
		def file = new File("project-dependencies.dot")
		file.delete()
		file << "digraph {\n"
		file << "splines=ortho\n"
		allprojects.each { item ->
			def from = item
			from.configurations.compile.dependencies
					.matching { it in ProjectDependency }

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# Read more at http://www.pindi.us/blog/migrating-cross-domain-cookies-django

from django.conf import settings
from importlib import import_module

class UpdateSessionCookieMiddleware(object):
    """
        Migrates session data from an old (hardcoded) session cookie name and domain to the name and
        domain currently defined in the Django settings.
        

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from django.contrib import admin
from polls.models import Poll, Choice

from django.contrib.auth.models import User

from django.contrib.admin import AdminSite

from polls.views import index

class MyAdminSite(AdminSite):

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#Intro

Kotlin is a new programming language for the JVM. It produces Java bytecode, supports Android and generates JavaScript. The latest version of the language is Kotlin M5.3

Kotlin project website is at kotlin.jetbrains.org.

All the codes here can be copied and run on Kotlin online editor.

Let's get started.