A Bollinger Band consists of three lines: a simple moving average, an upper band, and a lower band. The assumption is that if the real price crosses over one of the bands, this can be seen as a signal to trade in or our of a given asset. For cryptocurrencies, breakout trades are more frequently … Read more
MACD is a trend-following momentum indicator used for trading. It consists of two lines: This article is based on the full trading tutorial on the Not-Satoshi blog. Introduction Before we begin, I would like to make a small request ##################### Disclaimer!! ################################### # The bots built here with python should be used only as a … Read more
This article shows you when to use which of my top two Python editors: IDLE and PyCharm. IDLE Best for Small Scripts In 90% of cases, I’m using the out-of-the-box IDLE editor to write small scripts and Python programs. It’s lightweight, simple, and provides basic functionality such as syntax highlighting in shell and Python files. … Read more
A simple moving average (SMA) is calculated by summing over a fixed number of last prices, say k, and dividing this by the number of prices k. Depending on the selection k, you can obtain short-term or long-term SMAs. Short-term SMAs respond quickly whereas long-term SMAs respond slowly to changes in the prices. You can … Read more
Being a freelance developer is a new way of living in the 21st century: It’s a path of personal growth, learning new skills, and earning money in the process. But in today’s digital economy, becoming a freelance developer is – above everything else – a lifestyle choice. It can give you fulfillment, flexibility, and constant … Read more
What many coders using Jupyter notebooks do not know is that Jupyter notebooks provide you the exclamation mark operator that allows you to execute commands on the underlying operating system. In Jupyter notebooks, the exclamation mark ! executes commands from the underlying operating system. For example, to run the list directory command ls in your … Read more
To check the Python version in your Jupyter notebook, first import the python_version function with “from platform import python_version“. Then call the function python_version() that returns a string with the version number running in your Jupyter notebook such as “3.7.11”. You can try this yourself in our interactive Jupyter notebook: Check Version Information Using sys … Read more
Do you want to reach master coding level? This article gives you the five keystone habits of high achievers in the coding industry. These masters are not merely more productive than the majority of semi-professionals who cannot wait but going into the weekend so that they don’t have to look at source code for two … Read more
To check the Python version in your shell, you can use the following alternatives (aliases): Terminal: The following commands can be used to check the Python version in your terminal. Note that the first and second are aliases whereas the third one provides more information about the built. python –version python -V python -VV Note … Read more
Problem If you run Python in your terminal or shell, you may have realized that there are two ways to do so: using the “python” command and using the “py” command. What’s the difference? Example Say, you want to check your Python version. You can run both commands and the output is different! Here’s using … Read more
To check the default Python version on your macOS, use the command python –version in your terminal. In particular, use the following four steps to check the Python version on your Mac operating system. Press CMD + Space to open Spotlight. Type “terminal” and press enter. Execute command: type python –version or python -V and … Read more
This page contains resources for my book “The Art of Clean Code” (NoStarch, 2022). You can check out the book here. Olivetti Faces Access the code in the Jupyter Notebook here: Life Expectancy Calculator Access the code in the Jupyter notebook here: