2019 - Page 2 of 4 - Creatronix

Android Alerts

Android & iOS development, Kotlin & JavaBy Jörn September 27, 2019

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 ->…

Resistors and Color Code

Electronics & IOTBy Jörn September 27, 2019

Resistors with 4 rings Color 1. Ring 2. Ring 3. Ring – Multiplier 4. Ring – Tolerance black 0 1 x 1 – brown 1 1 x 10 1 % red 2 2 x 100 2 % orange 3 3 x 1.000 – yellow 4 4 x 10.000 – green 5 5 x 100.000 0.5%…

Learning Kotlin – Part 7 – multiple return values

Kotlin & JavaBy Jörn September 27, 2019

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 Resistor Values

Electronics & IOT, JavaScriptBy Jörn September 13, 2019

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%

Invalid Host Header with npm run server

JavaScriptBy Jörn August 9, 2019

I got an “Invalid Host Header” error when running a VueJs app on a linux machine with npm run serve To work around this you can put the following code into you vue.config.js file: module.exports = { // options… devServer: { disableHostCheck: true, } }

Excel Zebra stripe formatting

ToolsBy Jörn July 31, 2019

Home -> Conditional Formatting -> New Rule =MOD(ROW();2)=0

Nürnberg Digital Festival 2019

BarcampBy Jörn July 24, 2019

Some impressions from Nürnberg Digital Festival 2019 aka Web Week Part 1 – Visionary Day @ Proact Part 2 – ADAC Mobility BarCamp Part 3 – DATEV DigiCamp Bottom line Exhausted and fueled!

Flask 1.1 is here!

PythonBy Jörn July 9, 2019

From the flask release notes: Returning a dict from a view function will produce a JSON response. This makes it even easier to get started building an API. To get a minimal REST-Api all you have to do is: from flask import Flask app = Flask(__name__) @app.route(‘/return_dict’, methods=[‘GET’]) def return_dict(): return {“x”: “1”} if __name__…

Overcoming PyInstaller Pitfalls

PythonBy Jörn July 9, 2019

When using PyInstaller to package an application to a self-containing bundle you might run into some pitfalls: Pitfall 1: PyInstaller overwrites spec file The first time you run pyinstaller you run it with pyi-makespec my_module.py instead of pyinstaller my_module.py pyi-makespec will generate a my_module.spec which you can alter. Afterwards you just ran pyinstaller my_module.spec to…

Time Blocking / Time Boxing as Productivity Boost

Business & ManagementBy Jörn July 2, 2019

Time Blocking tl;dr; if something is really important to you, plan it in your calendar. It is nice to have a to-do list in your to-do app, your Bullet Journal or on your Kanban board, but you have to allocate time for the execution of these tasks in your schedule. Example: If you have a…

Yearly Archives: 2019