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Install Angular ESLint

ng add @angular-eslint/schematics

Install Prettier and Prettier-ESLint dependencies

npm install prettier prettier-eslint eslint-config-prettier eslint-plugin-prettier --save-dev

ESLint configuration

Filename: .eslintrc.json

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This gist will guide you through the setup of a wildcard Let's encrypt TLS certificate.

Let's encrypt

Let’s encrypt is one of a new kind of Certificate Authority. You can get a TLS certificate from them for your website free of charge and without any manual overhead. These certificates are trusted in most browsers that are out there and will show up as valid. Instead of sending Mails or even paper around you can call an API and prove your domain ownership with simple challenges. Basically you call the API with a hostname or domain name you need a TLS certificate for and you get back a challenge string that you need to put in a well known location on your http host or as a txt record in your dns system.

The little helper for Kubernetes: Cert-Manager

You can find many clients that manage the proces

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# How to determine if a bash variable is empty?


# A variable in bash (and any POSIX-compatible shell) can be in one of three states:
#
# unset
# set to the empty string
# set to a non-empty string
# Most of the time you only need to know if a variable is set to a non-empty string, but occasionally it's important to distinguish between unset and set # to the empty string.
#

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Hello  (<-- two spaces)
World

Hello
World

---

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Migration to ASP.NET Core in .NET 6

• WebApplication and WebApplicationBuilder
• Differences in the hosting model
• Building libraries for ASP.NET Core
• FAQ
• Cheatsheet

WebApplication and WebApplicationBuilder

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Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

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package services

import java.lang.reflect.Type

import com.google.gson._
import org.joda.time.format.ISODateTimeFormat
import org.joda.time.{DateTime, DateTimeZone}

object Serializers {

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internal let DEFAULT_MIME_TYPE = "application/octet-stream"

internal let mimeTypes = [
    "html": "text/html",
    "htm": "text/html",
    "shtml": "text/html",
    "css": "text/css",
    "xml": "text/xml",
    "gif": "image/gif",
    "jpeg": "image/jpeg",

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import Foundation

extension SequenceType {
    @warn_unused_result
    func any(@noescape predicate: (Self.Generator.Element) throws -> Bool) rethrows -> Bool {
        for element in self {
            let result = try predicate(element)
            if result {
                return true
            }

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import asyncio
from contextlib import closing

import aiohttp


async def download_file(session: aiohttp.ClientSession, url: str):
    async with session.get(url) as response:
        assert response.status == 200
        # For large files use response.content.read(chunk_size) instead.