• The aim of this tutorial🔍 is to show how to build help for Python functions using docstrings

1. addition of self-documentation to your own module

• API documentation in Python uses a facility called docstrings
• document functions, modules, and classes
• requirement: must be the first statement in the blocks for these constructs
• docstring is a literal string occurring as the first string within the named block
• docstring is a place where most code documentation should live
• ❌ it does not explain how code works
• ✅ it does show how to consume facilities the module provides (list parameters, methods, basic concerns)

2. provide an example of a function fetching words from an URL

• use triple-quotes
• valid also for single-lined docstrings → can…

• The aim of this page📝is to cover the capabilities of function arguments in python by defining its three rules, extracting from the Core Python Course: Getting Started | Pluralsight

1. Default values come last

• rule: argument with default values must come after those without default values
• parameters specified in a function definition with def are a comma-separated list
• they can be made optional by assiging a default values to the parameter
• else, syntax err
• consider the following one-liner

def printMessage(message="Hello World"): print(message)>>> printMessage()
Hello World

2. Default values only on immutables

• rule: do not use mutable default values; use only immutable default values

1. ✅ ints
2. ✅ float
3. ✅ string
4. ✅…

• The aim of this explanation💡 is refactoring the following mess which got accumulated with wanting more and more from checking the status of a Nomad job from PowerShell terminal.

Refactored Code

the case

• the question is, what is the easiest way of mapping the exact moment of user action to the capture done in process monitor. During the capture
• screen-capture what the affected application is doing
• screen-capture the timestamps on Current Millis ‐ Milliseconds since Unix Epoch
• run procmon (screen-capture not required here)
• the ideal looks as follows

• when watching the capture → map the currentmillis with the timestamp of procmon
• to do this, convert the currentmillis into your local time (see the script below)
• the procmon dump does this automatically in case you have customers that are elsewhere

1. CODE

• write a function where…

The aim of this how-to🏁 is fixing

verify error:num=20:unable to get local issuer certificate

when running certificate chain verifications using OpenSSL with for example

▶ openssl s_client -connect google.com:443
CONNECTED(00000184)
depth=1 C = US, O = Google Trust Services, CN = GTS CA 1O1
verify error:num=20:unable to get local issuer certificate

1. steps

1. download cacert.pem provided by curl - Extract CA Certs from Mozilla

Invoke-WebRequest https://curl.se/ca/cacert.pem -OutFile c:\cacert.pem

2. verify again by using -CAfile flag and the absolute path

▶ openssl s_client -connect google.com:443 -CAfile c:\cacert.pemCONNECTED(00000184) depth=2 OU = GlobalSign Root CA - R2, O = GlobalSign, CN = GlobalSign verify…

usecase

• The aim of this explanation💡 is to provide a code that creates PowerShell and python
• ✅ code files
• ✅ test files with proper syntax
• ✅ link code to test
• ✅ be extensible for adding more languages
• I don’t need the syntax for the test there, that I can write/use ctrl+space inside vscode to auto-populate; just linking and file creation

… all with a single command with a simple alias; in my workflow, I use pyf and pof for Python and Powershell, respectively

• For powershell:

• For python

• The aim of this tutorial🔍 is a successful setup of secrets to authenticate a request to Zendesk Help Center API

1. Secret creation

• Open repo
• Go to Settings → Secrets → Add a new secret
• Enter secret name
• Enter secret value
• Select Add secret

• Open workflow file .\github\workflows\mail.yaml
• Add to the step (you can also add this to different levels of the workflow)

• The aim of this tutorial🔍 is to introduce anonymous/lambda functions in Python just to make sure they work in the Higher Order Functions class of SICP

1. syntax

Unlike lambda forms in other languages, where they add functionality, Python lambdas are only a shorthand notation if you’re too lazy to define a function.

Design and History FAQ — Python 3.9.1 documentation

• restrictive
• minimal
• in python, lambdas are synonymous with anonymous functions
• introduce it with lambda instead of def

lambda args: expression

• multiple args
• only a single expression

2. lambda as function expression

• lambda can be assigned to a binding and thus have “name”

double = lambda x…