At PyConDE Berlin 2019 Florian Bruhin gave a really nice session about testing with pytest, which I try to recap here. Writing Tests If You want to work with pytest you can install it via: pip install pytest When you know basic python unittest fixtures, good news ahead: pytest is compatible and will run your…
This article is part of my SQL-Tutorial Motivation Sometimes you need to retrieve data from a database without knowing the exact string to look up so wildcards for the rescue Underscore Se_en represents a pattern with a wildcard character. The _ means you can substitute any individual character here without breaking the pattern. It matches…
My Tale of Woe When I graduated from university and had my first job as a software engineer at Harman Becker Automotive Systems GmbH I should do the parental leave cover for a colleague. He showed me his project, gave me some info e.g. contact person and went off to Canada. Literally on the second…
DISCLAIMER! – This package seems to be no longer maintained. (Last release in March 2023) Stackoverflowing around I found this nice package https://github.com/wolever/parameterized Parameterized testing in Python sucks. parameterized fixes that. For everything. Parameterized testing for nose, parameterized testing for py.test, parameterized testing for unittest. Reading this description I had very high expectations 🙂 So…
I’ve always wanted to go to a conference and with PyConDE I’ve found one that suited me well: The price point of 300 bucks for 3 days of conference, 2 days of workshops and the opportunity to go to Berlin and visit my friend Thomas was fascinating! The Venue Kosmos Day 1 Algo.rules – How…
Features and Bugs After showing the app around, I got a lot of input how to improve the concep Instead of the slider show a waveform to make identifying the section easier Set marker for start and end to replay the loop Persist already set markers Mark tracks which already have markers Start and stop…
Waveform of Audio File Installing I’ve tried a component FDWaveformView. It uses CocoaPods, a dependecy management tool like Python’s pip or Rust’s cargo. sudo gem install cocoapods To add CocoaPods support to an existing project you must add a Podfile cd XcodeProjects/PlayalongTrainer touch Podfile The content of the Podfile is pretty straght forward: target ‘PlayalongTrainer’…
Toast Toasts are simple message dialogs val text = “Hello toast!” val duration = Toast.LENGTH_SHORT val toast = Toast.makeText(applicationContext, text, duration) toast.show() Toast.makeText(this@MainActivity, “Hello Toast!”, Toast.LENGTH_SHORT).show() Alerts val builder = AlertDialog.Builder(this) builder.setTitle(“SocketTimeoutException”) builder.setMessage(“The server is not responding – Try again later”) builder.setPositiveButton(android.R.string.yes) { dialog, which -> Toast.makeText(applicationContext, android.R.string.yes, Toast.LENGTH_SHORT).show() } builder.setNegativeButton(android.R.string.no) { dialog, which ->…
In the last article we looked at functions in Kotlin. But there is more to functions: Multiple return values All you Pythonistas already know the concept of multiple return values. Kotlin as a strongly typed language uses the Pair class to enable functions to return two values or Triple to return three. fun nextTwo(num: Int)…
Calculator for 4 rings 1. Ring 2. Ring 3. Ring 4. Ring Value Tolerance brownredorangeyellowgreenbluepurplegreywhite blackbrownredorangeyellowgreenbluepurplegreywhite blackbrownredorangeyellowgreenbluepurplegoldsilver brownredgreenbluepurplegoldsilver 0Ω 0% Calculator for 5 rings 1. Ring 2. Ring 3. Ring 4. Ring 5. Ring Value Tolerance brownredorangeyellowgreenbluepurplegreywhite blackbrownredorangeyellowgreenbluepurplegreywhite blackbrownredorangeyellowgreenbluepurplegreywhite blackbrownredorangeyellowgreenbluepurplegoldsilver brownredgreenbluepurplegoldsilver 0Ω 0%