Network and Internet

Network divider / subnet calculator (subnetting):

• Visual Subnet Calculator: https://www.davidc.net/sites/default/subnets/subnets.html
• Solarwinds Advanced Subnet Calculator: https://www.solarwinds.com/free-tools/advanced-subnet-calculator#subnetcalculator
• IP Subnet Calculator: https://www.subnet-calculator.com/
• Subnet Calculator for IPV4: https://www.site24x7.com/tools/ipv4-subnetcalculator.html
• Subnet mask calculation (in Japanese): https://note.cman.jp/network/subnetmask.cgi
• IPv4 Network Calculator: https://www.meridianoutpost.com/resources/etools/network/network-calculator-ipv4.php

Subnet related:

• Subnet overlap checker: https://network00.com/NetworkTools/IPv4CheckOverlappingNetworks/
• IP Subnet Merge & Deduplicate: https://iptoolsonline.net/
• Are Two IP Addresses on the Same Network?: https://www.meridianoutpost.com/resources/etools/network/two-ips-on-same-network.php

CIDR related:

• Split large CIDR to small CIDR: https://www.ipaddressguide.com/ipv4-split-cidr
• CIDR from IP and Subnet Mask: https://www.calculator.net/ip-subnet-calculator.html
• CIDR range visualizer: cidr.xyz
• IPv4 Address to CIDR Notation: https://www.meridianoutpost.com/resources/etools/network/convert-ip-to-CIDR.php

Site verification:

• Sites
  • https://www.digwebinterface.com/
  • https://www.whatsmydns.net/
  • https://dnschecker.org/
• For verification purposes (i.e. Microsoft Admin center, Google site verification etc.) we need to add TXT record or MX record
• Check TXT record (or MX record) is propagated or not

Azure Cloud

• Azure offers (subscription types): https://azure.microsoft.com/en-us/support/legal/offer-details/
• Free trial for developers: https://visualstudio.microsoft.com/dev-essentials/
• Azure Services: https://azureservices.io/
• Downtime check for SLA: https://uptime.is/
• SLA Board: https://azurecharts.com/sla

https://github.com/jhealy/awesome/blob/master/azure.md

Kubernetes

yaml generator GUI:

• Good
  • https://k8syaml.com/
• Decent
  • https://kubeyaml.com/
  • https://8gwifi.org/kube.jsp

Docker compose to K8s yaml

• https://github.com/kubernetes/kompose

Icons

• https://github.com/kubernetes/community/tree/master/icons

Online programming code editor

VSCode online:

• Editor url: https://vscode.dev/
• Editing Github Repo with VSCode online:
  • Go to Github repo and copy repo URL i.e. “https://github.com/hovermind/blazor-demos”
  • Insert “vscode.dev” after “https://” i.e. “https://vscode.dev/github.com/hovermind/blazor-demos”
• Editing Azure DevOps Repo with VSCode online:
  • Go to Azure DevOps project and copy repo URL i.e. “https://dev.azure.com/hoverman/devops-demo/” (here “hoverman” is organization name and “devops-demo” is project name)
  • Insert “vscode.dev” after “https://” i.e. “https://vscode.dev/dev.azure.com/hoverman/devops-demo/”
    • Default repo of the project will be openned (ormally a repo is automatically created with the same name as the project name)
    • To change repo, append repo name after project name i.e. “https://vscode.dev/dev.azure.com/hoverman/devops-demo/test-repo”

Github online editor (powered by liteweight VSCode):

• Go to a Github repo i.e. “https://github.com/hovermind/blazor-demos”
• Change “.com” to “.dev” “https://github.dev/hovermind/blazor-demos”, it will be opened in Github online editor

Link: https://code.visualstudio.com/blogs/2021/10/20/vscode-dev

Online Editor / Fiddle

• ALL
  • https://fiddles.io/
  • https://repl.it/
  • https://www.jdoodle.com/
  • https://www.onlinegdb.com/
  • https://ideone.com/
• python:
  • http://pythontutor.com/visualize.html#mode=edit>
  • https://notebooks.azure.com/
  • https://colab.research.google.com/notebooks/
• C#
  • https://dotnetfiddle.net/
  • https://rextester.com/
• Swift
  • http://online.swiftplayground.run/>
• C++
  • https://gcc.godbolt.org/
• TypeScript
  • https://www.typescriptlang.org/play/index.html1
• Plain text editor
  • https://texteditor.co/
• Online markdown editor
  • https://pandao.github.io/editor.md/en.html
  • https://upmath.me/
  • https://stackedit.io/app#

JSON Related

JSON genarator from JSON scheme

• https://pmk65.github.io/jedemov2/dist/demo.html
  • Create schema
  • Generate form
  • Create direct link
  • Use direct link > fill up form > copy JSON from output
• Github
  • https://github.com/json-editor/json-editor
  • https://json-editor.github.io/json-editor/

JSON formatter:

• https://jsononline.net/json-editor
• https://jsonformatter.org/

SQL Formatter

T-SQL formatter

• http://poorsql.com/

C# JSON Conversion

• JSON to C# JSON String: https://tools.knowledgewalls.com/jsontostring
• JOSN C# POCO:
  • https://json2csharp.com/
  • https://quicktype.io/csharp/
  • https://www.jsonutils.com/
  • https://csharp2json.io/

JavaScript

• http://es6-features.org/
• https://javascript.info/
• babel
  • https://babeljs.io/repl/
• https://explainshell.com/

iOS

• https://www.hackingwithswift.com/
• https://iosexample.com/
• https://www.raywenderlich.com/
• Image asset generator: https://appicon.co/#image-sets
• https://nsdateformatter.com/
• http://www.cocoawithlove.com/>

REST API

API documentation

• https://swagger.io/tools/swagger-ui/
• https://github.com/Redocly/redoc (Swap out Swagger UI for ReDoc)
• https://stackoverflow.com/questions/36634281/list-of-swagger-ui-alternatives

Mocking API

• https://github.com/elevennines-inc/swagger-all-in-one-docker-compose
• https://my-json-server.typicode.com/
  • https://medium.com/@saishaddai/fake-json-api-server-with-jsonplaceholder-1d4edb2ab7a4
• https://mockoon.com/
• https://learning.postman.com/docs/postman/mock-servers/intro-to-mock-servers/
• https://swagger.io/tools/swagger-codegen/
• https://mocklab.io/
• https://getsandbox.com/
• https://fakejson.com/
• https://www.mockable.io/
• https://designer.mocky.io/
• Free services:
  • http://api.postcodes.io/

Generating http client

• https://github.com/RicoSuter/NSwag/wiki/NSwagStudio
• https://swagger.io/tools/swagger-codegen/
• Azure AutoRest
  • AutoRest generates client side SDKs in a number of languages using a Web API’s (or an Azure API App’s) swagger endpoint
  • https://github.com/Azure/autorest

Big Data and AI

• Data Analysis
  • https://chart-studio.plotly.com
• AI
  • cheatsheet => https://www.altoros.com/visuals/cheat-sheet-ai-basics-and-machine-learning-with-python/?utm_campaign=Dikusar&utm_medium=smm&utm_source=quora
  • https://deepsense.ai/
  • https://deepai.org/
  • https://towardsdatascience.com/the-complete-reinforcement-learning-dictionary-e16230b7d24e

Data visualization

• https://www.severinoribecca.one/portfolio-item/the-graphic-continuum/
• https://thegraphiccontinuum.bigcartel.com/
• https://www.visualizing.org/
• http://selection.datavisualization.ch/

Career

• Interview
  • https://www.interviewbit.com/
  • https://www.pramp.com/#/

SQL Server

• sqlservertutorial.net
• mssqltips.com
• sqlservercentral.com

DotNet

• https://docs.microsoft.com/en-us/dotnet/api
• https://apisof.net/
• https://discoverdot.net/
• C#
  • https://csharp.hotexamples.com/
• ASP.Net core
  • https://www.aspsnippets.com/
  • https://aspnetboilerplate.com/
  • https://www.learnrazorpages.com/
• https://github.com/gothinkster/realworld

Blazor

• https://www.blazorfluentui.net/

Favicon

• https://favicon.io/favicon-generator/
• https://realfavicongenerator.net/
• https://www.favicon.cc/

Programming languages

All

• http://net-informations.com/

Color

• https://medialab.github.io/iwanthue/
• https://color.adobe.com/create/color-wheel
• https://colorbrewer2.org/
• https://colororacle.org/

Time

• https://www.worldtimebuddy.com/
• https://time.is/1700_UTC
• https://savvytime.com/converter/bst-to-jst

SSL/TSL

• https://www.ssllabs.com/ssltest/index.html

Web Security

• https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-v2-protocols
• JWT parser
  • https://www.jsonwebtoken.io/
  • https://jwt.io/
• OAuth2
  • https://auth0.com/docs/protocols/oauth2
  • https://developer.okta.com/blog/2017/06/21/what-the-heck-is-oauth
  • https://aaronparecki.com/oauth-2-simplified/
  • https://oauth.net/2/
  • https://www.oauth.com/
  • https://oauth2simplified.com/
• Playing with OAuth2
  • https://okta-oidc-fun.herokuapp.com/
  • https://www.oauth.com/playground/
  • https://developers.google.com/oauthplayground/
• OpenID Connect
  • https://openid.net/connect/
  • https://auth0.com/docs/protocols/oidc
  • https://developers.onelogin.com/openid-connect
  • https://openidconnect.net/
• SDK
  • https://appauth.io/

Identity Server

• http://docs.identityserver.io/en/latest/intro/terminology.html
• https://github.com/IdentityServer/IdentityServer4.Templates
• https://github.com/IdentityServer
• https://deblokt.com/2019/09/01/01-identityserver4-quickstart/
• http://docs.identityserver.io/en/release/quickstarts/0_overview.html
• https://identityserver4.readthedocs.io/en/latest/
• https://github.com/Deblokt/IdentityServer4Demos.NETCore31
• https://github.com/skoruba/IdentityServer4.Admin

IdentityServer4 Login

• Online temporary IS4 for testing: https://demo.identityserver.io/
• https://chsakell.com/2019/03/11/asp-net-core-identity-series-oauth-2-0-openid-connect-identityserver/

Linux

• https://crontab.guru/ (example: 15 14 1 * * /path/to/script.sh)

Character

• English alphabet positions: http://www.satya-weblog.com/tools/find-alphabets.php

IP related

• IP reputation lookup: https://www.ers.trendmicro.com/reputations
• Find my IP: https://ipinfo.io/json

GraphQL

• https://github.com/APIs-guru/graphql-apis

Curl

• https://manpages.ubuntu.com/manpages/precise/en/man1/curl.1.html

Microsoft Products

• https://tb.rg-adguard.net/public.php