---
title: "Jurrian Tromp (@jurrian) | Hashnode"
description: "Freelance Webdeveloper. Read the latest articles by Jurrian Tromp on Hashnode."
url: "https://hashnode.com/@jurrian"
---

@jurrian

# Jurrian Tromp

@jurrian · Utrecht, The Netherlands · Joined April 2022

Freelance Webdeveloper

[Website](https://jurriantromp.nl/)

### [Selection widget for which columns to display in Django admin](https://deepintodjango.com/selection-widget-for-which-columns-to-display-in-django-admin?utm_source=hashnode&utm_medium=feed)

When working in the Django admin with a lot of users, you might sometimes want to offer the functionality to users to choose which columns they want to see in the changelist page. For some users some columns might be more relevant than to others. One...

2 min read · [deepintodjango.com](https://deepintodjango.com/selection-widget-for-which-columns-to-display-in-django-admin?utm_source=hashnode&utm_medium=feed)

[Jan 22](https://hashnode.com/posts/selection-widget-for-which-columns-to-display-in-django-admin/69725d81cde3374876aeab24)

### [Managing superusers when using the Django admin as a backend for employees](https://deepintodjango.com/managing-superusers-when-using-the-django-admin-as-a-backend-for-employees?utm_source=hashnode&utm_medium=feed)

Expiring a superuser in Django after a due date

2 min read · [deepintodjango.com](https://deepintodjango.com/managing-superusers-when-using-the-django-admin-as-a-backend-for-employees?utm_source=hashnode&utm_medium=feed)

[Sep 4, 2023](https://hashnode.com/posts/managing-superusers-when-using-the-django-admin-as-a-backend-for-employees/64f5e4adc45ac9cb3b60b666)

### [Keeping accurate amounts in Django with CurrencyField](https://deepintodjango.com/keeping-accurate-amounts-in-django-with-currencyfield?utm_source=hashnode&utm_medium=feed)

Storing monetary amounts in Django can be tricky when storing not enough decimals. CurrencyField ensures consistency for financial data with calculations.

2 min read · [deepintodjango.com](https://deepintodjango.com/keeping-accurate-amounts-in-django-with-currencyfield?utm_source=hashnode&utm_medium=feed)

[Jul 21, 2023](https://hashnode.com/posts/keeping-accurate-amounts-in-django-with-currencyfield/64ba7ceae84bef3dade4e9d1)

### [Diff mixin to detect changes in Django models instances](https://deepintodjango.com/diff-mixin-to-detect-changes-in-django-models-instances?utm_source=hashnode&utm_medium=feed)

Suppose you change your Django model instance, how do you know if the data actually changed? There are a few ways to achieve this, for example using django-simple-history which will add a database entry for every change to keep history. However, you ...

1 min read · [deepintodjango.com](https://deepintodjango.com/diff-mixin-to-detect-changes-in-django-models-instances?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/diff-mixin-to-detect-changes-in-django-models-instances/646ce1c6f419f3d1c1b5aad6) [May 23, 2023](https://hashnode.com/posts/diff-mixin-to-detect-changes-in-django-models-instances/646ce1c6f419f3d1c1b5aad6)

### [Show deleted entries in Django Simple History](https://deepintodjango.com/show-deleted-entries-in-django-simple-history?utm_source=hashnode&utm_medium=feed)

Deleted model objects can be shown in Django Simple History on the chang list page using a small Gist. It allows custom filters and addons like DjangoQL.

2 min read · [deepintodjango.com](https://deepintodjango.com/show-deleted-entries-in-django-simple-history?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/show-deleted-entries-in-django-simple-history/64467c4fd227f895913e22cc) [Apr 24, 2023](https://hashnode.com/posts/show-deleted-entries-in-django-simple-history/64467c4fd227f895913e22cc)