Python Index Page 5

SOLVED on Ubuntu: fatal error: libxml/xpath.h: No such file or directory

Installing lxml for python requires system libs to install it successfully. Here we explain how to fix this issue.

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SOLVED: pip: command not found

Clean ubuntu installation does not provide pip command. To install pip follow this steps

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SOLVED: Error: pg_config executable not found.

Usually when installing psycopg2 the error of pg_config command not found is returned when using a clean Linux installation.

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Create an application with websockets and flask

In this tutorial we are going to explain how to create a webscokets application with python using flask.

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Start a flask project from zero: Building a REST API

In this tutorial we explain how to build a REST API using flask. We try to create an environment similar to django (with management commands to migrate the database using flask).

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How to pass a variable as reference in python

How are arguments passed in python? In this tutorial we explain more details on how parameters are passed.

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Python slice notation explained

In this tutorial we explain what the slice notation means with some examples.

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How to copy or clone a list in Python3

In this tutorial we explain how to do a proper clone or copy of a list in Python3.

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Python class the concepts you need to know

Learn importante concepts of python programming in this tutorial, like python class, objects, modules, duck typing, etc

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How to calculate the hash of big files with python

We break the file in parts to be able to process very big files with python to calculate any hash function.