Resampling time-series data into lower-resolution intervals is easy when using Pandas and Python. The resample function, combined with the agg function, allows developers to specify how data is resampled and to what resolution. This is useful when backtesting trading algorithms ...

The ls command invokes a program that is part of the GNU Core Utitlities and is a part of all Unix-like operating systems. The ls command lists information about files and directories with many optional features accessible via options flags. ...

Wash sales are defined as the purchase of a “substantially identical” asset or security within 30 days before or after sale resulting in a loss.  A wash sale can also occur if a “substantially identical” purchase is made by a ...

Master Python variable scope and create crash-free programs with this detailed guide! Python variable scope makes coding and debugging significantly easier than in any other previous programming language. It’s arguably one of the biggest reasons behind the language’s success over ...

Git offers developers a range of features to provide powerful versioning for software projects. Git protocols come with many features and can often feel overwhelming. The -a` flag automatically stages files that have been modified or deleted to help improve ...

Learn how to loop through a list in Python in record time with our short, step-by-step guide! Learning how to loop through a list in Python is a basic yet incredibly powerful building block that you’ll use throughout your career ...

Python numbers are an essential part of any programmer’s basic toolkit. Many consider mastering this data type essential to refining your code and turning it into syntactic perfection. As we mentioned in our Python Data Types piece, integers, floating-point numbers, ...

The Python ecosystem is vast and powerful. Among the many incredible third-party libraries is howdoi. This package allows developers to type in questions directly from the command line and have them answered. It requires an internet connection to work but ...

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