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All about classes in python
Classes are great when you’re working with concepts in the real world. They are by no means a necessary construct in Python, they’re mostly used for code simplification, readaibility and reusability. We’ll walk through some […]
Django create a file upload form with version control and save output to model
In my last articles, I spoke about creating a login for an app in Django and creating a file upload form in Django. In this article, I am going to share with you what project […]
Django: File uploads in forms
There are so many usecases where you’ll want to be able to upload a whole bunch of files to a website at once and yet, there isn’t really a well documented way to do it. […]
Building an app in Django: the login
I’ve spoken in depth about getting Django ready to use in this article, so I’m not going to go through the general setup commands in too much detail. Suffice to say, once you’ve got your […]
Pulling data from MySQL into Google Charts using Django
Pulling data from MySQL into Django is pretty straightforward. This article will show you some code samples of exactly that. In the below, you’ll see I have a load of DB queries. Each query is […]
An in depth look at Django
In Django, we have a few concepts. We have projects, apps, views, models, templates and a few more bits and bobs. In this article, I want to go through Django Project App Views.py Models.py Templates […]
Making a random password generator website with django
While learning Django, it’s important to have some real world problems to tackle. Strong passwords are of course really important and so generators have become popular. So, the first thing we do is edit our […]
A guide to using templates in django
In Django, we have a few concepts: URLs, Views and Templates (models too, but we’ll talk about them in a future article). You can think of the flow like this: User requests a particular web […]
Getting django setup and ready to use
I am not the biggest fan of sys admin kind of tasks – I really just want an environment that works so that I can get to work. So when it came to installing a […]
Making a simple command line to do list in Python
I’ve been asked recently what some super simple tasks would be to support learning Python so I’ve decided to post a few of them. Yesterday, you may have seen my article, looking at how we […]
Building a quiz with a time limit in python and golang
In this article, I am going to go through how we might create a terminal based quiz application where we ingest a CSV with quiz questions and answers, accept an answer from a user (and […]
Saving data to MySQL in Golang
Of course, when we’re doing our data analysis reading from and writing to a database is super important. In this article, I am going to cover how we do that with MySQL. We’ll start at […]
Processing a whole directory of files in Golang using channels and go routines
In many situations, you won’t just want to pick up one file from a directory for processing, you”ll want to pick lots of files up (perhaps log files from a system, for example). In this […]
The basics of threading in Python
If you’re a frequent reader of my website, you’ll know that I’ve been doing a lot with Golang recently.. like, a lot and it got me thinking about how easy concurrency is in Golang and […]
Golang: Getting started with dataframes
In this article, we’re going to look at the qframe library to bring CSV data into a dataframe for simple data wrangling. This file: Imports the relevant packages Defines the file we are going to […]
Refactoring our simple Twitter API project to use concurrency and modules
In my last article, I showed you a simple Twitter script to connect to the API and clean some data. That script, was horrible, as all the code resided in a single .go file and […]
Querying the Twitter API in Golang and cleaning up the response
In this post, I am going to show you how to query the Twitter API in Golang and tidy up the response output. Note that this code includes no go routines or channels for concurrency […]
Golang: Go-routines and channels
Typically, if we ran a loop through a number of items, they happen serially (one after the other). But, something cool about Golang is the ability to run Go Routines. We have the main routine […]
Golang: the HTTP module for get requests
Making HTTP requests in Golang is pretty simple, I’ve included a code sample below. Within the main function we define two new variables (resp and err). The HTTP get function returns the response; which is […]
Golang: everything you need to know about maps
Maps are pretty similar to dictionaries in Python. In the below, I define a map called red_paints. In this map, I detail the name of the specific red colours for a few companies. When we […]
Golang: Writing test cases in Go
In this article, we’re going to look at how we write test cases in Golang. Here, I will create a file called acct_test.go; which can be run by simply typing go test into the terminal. […]
Golang: Getting to the Pointers
Golang uses memory management for our variables so updating values in our structs as we defined in the previous article, doesn’t necessarily work as we expected. Let’s say we have the below, this piece of […]
Golang: Getting started with structs
A struct is a data type in Golang, it can also be compared to a class in an object oriented programming language. A struct gives us the ability to set specific fields for a type […]
Golang: Reading and writing files
Reading and writing files is a key part of most applications. In Golang, it’s not quite as straightforward as with other languages like Python, but let’s go through it line by line to understand how […]
Golang: Getting started with If statements
If statements in Golang are pretty simple, so this is going to be a really short article. What I would like to do, is compare the same if statements in Python and Golang to give […]
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