DEV Community: Amelia

Building a Denim Recommendation Engine with Python

Amelia — Mon, 29 Jun 2026 11:25:09 +0000

Ever stared at a wall of women's jeans online, overwhelmed by choices? As a developer, I thought: why not build a simple recommendation system to match jeans to body types and preferences? Let's walk through a basic content-based filtering approach.

First, we need data. For this demo, I created a small dataset of jeans with features like rise, stretch, cut, and wash. Each feature gets a numeric score.

import pandas as pd
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.metrics.pairwise import cosine_similarity

jeans_data = {
    &#039;name&#039;: [&#039;High-Rise Skinny&#039;, &#039;Mom Jeans&#039;, &#039;Bootcut Stretch&#039;, &#039;Wide Leg&#039;],
    &#039;rise&#039;: [9, 7, 8, 6],
    &#039;stretch&#039;: [8, 4, 7, 3],
    &#039;cut&#039;: [3, 6, 5, 8],
    &#039;wash&#039;: [&#039;dark&#039;, &#039;light&#039;, &#039;medium&#039;, &#039;black&#039;]
}
df = pd.DataFrame(jeans_data)

The tricky part is combining numerical features with categorical ones. I used TF-IDF for the wash column and concatenated everything into a feature matrix.

# Convert wash to TF-IDF
tfidf = TfidfVectorizer()
wash_matrix = tfidf.fit_transform(df[&#039;wash&#039;]).toarray()

# Combine with numerical features
features = df[[&#039;rise&#039;, &#039;stretch&#039;, &#039;cut&#039;]].values
import numpy as np
feature_matrix = np.hstack([features, wash_matrix])

Now, the recommendation function. We compute cosine similarity between a user's preference vector and all jeans. For example, a user who wants high-rise, stretchy, dark-wash jeans:

def recommend(user_prefs, feature_matrix, df, top_n=2):
    user_vector = np.array([user_prefs[&#039;rise&#039;], user_prefs[&#039;stretch&#039;], 
                            user_prefs[&#039;cut&#039;], 0, 0])  # simplified
    similarities = cosine_similarity([user_vector], feature_matrix)[0]
    indices = similarities.argsort()[-top_n:][::-1]
    return df.iloc[indices][&#039;name&#039;].tolist()

user = {&#039;rise&#039;: 9, &#039;stretch&#039;: 8, &#039;cut&#039;: 3}
print(recommend(user, feature_matrix, df))
# Output: [&#039;High-Rise Skinny&#039;, &#039;Bootcut Stretch&#039;]

This is obviously simplified. In production, you'd normalize features, handle missing data, and add user feedback loops. But it shows how you can turn a shopping dilemma into a fun coding challenge.

For real-world deployment, you'd scrape product data from somewhere like Frishay's women jeans collection, but that's a whole other tutorial. The key takeaway: recommendation systems don't have to be black boxes. Start small, iterate, and you'll build something that actually helps people find their perfect fit.

Automate Motorcycle Gear Safety Checks Using Python

Amelia — Mon, 29 Jun 2026 11:09:36 +0000

How to Build a Motorcycle Gear Safety Checker with Python (Using the Biker Jacket as an Example)

As a rider and developer, I built a simple Python script to check if your gear meets basic safety standards. Let's focus on a biker jacket with features like armor, waterproofing, and high visibility.

python
class MotorcycleJacket:
def init(self, has_armor, is_waterproof, has_high_vis):
self.has_armor = has_armor
self.is_waterproof = is_waterproof
self.has_high_vis = has_high_vis

def safety_score(self):

    score = 0

    if self.has_armor:

        score += 40

    if self.is_waterproof:

        score += 30

    if self.has_high_vis:

        score += 30

    return score

Example with a jacket similar to the one from Frishay

jacket = MotorcycleJacket(True, True, True)
print(f"Safety score: {jacket.safety_score()}/100")

This is a basic checker. For a real-world scenario, I looked at the Frishay motorcycle jacket which has all these features. You can extend this to include thermal lining and Cordura material.

Enhancements:

Add a weather-based recommendation system.
Use a database of certified gear.
Build a CLI tool for quick checks.

Ride safe and code on!

The Simple Style Upgrade Every Man Should Make

Amelia — Thu, 25 Jun 2026 03:03:30 +0000

Ever notice how a great shirt can make you feel more productive? There's something about wearing a well-fitted button-down that instantly shifts my mindset from 'let's procrastinate' to 'let's get this done.' As a developer, I've built a small collection of men's shirts that work for both coding sessions and client calls.

Let's break down what makes a great shirt. First, the collar. A spread collar is versatile—it works with or without a tie. For casual wear, a button-down collar adds a relaxed, preppy vibe. The fit is crucial: the shoulder seams should align perfectly with your shoulders, and you should be able to button the collar comfortably without it choking you.

Fabric matters. For everyday wear, I prefer Oxford cloth or chambray. They're durable, breathable, and look good even after a long day. Avoid anything too stiff or shiny—that's for formal events, not daily wear.

Here's a simple outfit formula: a light blue Oxford shirt, dark chinos, and brown leather shoes. It's timeless and works for almost any occasion. Roll up the sleeves for a more relaxed look.

I recently discovered a great source for modern men's shirts. The collection at Frishay offers versatile casual shirts that combine comfort with contemporary style. Perfect for work, casual outings, or weekend wear. Check them out: https://frishay.com/collections/men-shirts.

A good shirt is an investment in your personal brand. Choose wisely, and you'll always look put together.

How a Simple CSS Grid Feature Transformed My Shopping App

Amelia — Thu, 25 Jun 2026 01:20:25 +0000

As a developer who also happens to be a parent, I've spent years building apps and dashboards, but nothing prepared me for the complexity of building a simple, kid-friendly shopping UI. Last weekend, I decided to tackle a fun side project: a "Wardrobe Wishlist" app for my daughter.

The core challenge? Making a product grid that felt playful, not cluttered. I wanted to display items like cute floral dresses and cozy cardigans in a way that was visually appealing but fast to load. Here’s a quick trick I used with React and CSS Grid that made a huge difference.

First, I structured the data. Each item needed an image, name, and a "vibe" tag. I used a simple array:

const items = [
  { id: 1, name: "Sunshine Dress", img: "dress.jpg", vibe: "playful" },
  { id: 2, name: "Cozy Knit Set", img: "knit.jpg", vibe: "comfy" },
];

The real magic came from the CSS. Instead of a boring uniform grid, I used grid-auto-flow: dense and varied the grid-column span for specific items. This creates a dynamic, magazine-like layout where a featured outfit gets a double column, while standard tees stay single.

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  grid-auto-flow: dense;
}
.featured {
  grid-column: span 2;
}

This technique works beautifully for showcasing collections. When I was browsing for inspiration, I stumbled across a site that used a similar layout for their girls' clothing collection. They had a fantastic mix of comfy sets and trendy outfits, all organized in a way that felt intuitive and fun. It reminded me that good design isn't just about code—it's about creating an experience.

In the end, my daughter loved the app. She could scroll through "school" outfits and "playdate" looks, and the dynamic grid made everything feel like a treasure hunt. If you're building for kids (or just want a more engaging product feed), give grid-auto-flow: dense a try. It’s a small detail that adds a lot of personality.
https://frishay.com/

Finding Quality Girls' Clothing Without the Hassle

Amelia — Wed, 24 Jun 2026 10:54:27 +0000

As a parent, I’m always looking for ways to make life a little simpler. Whether it’s streamlining my work, organizing daily routines, or shopping for my family, efficiency matters. As someone who spends much of the day coding and solving problems, I appreciate solutions that save time without compromising quality.

One area that can quickly become overwhelming is shopping for children’s clothing. Kids grow fast, their preferences change constantly, and finding outfits that are both durable and stylish can feel like an endless challenge. Like many parents, I wanted clothing that could handle school days, playground adventures, and family outings while still looking great.

Recently, I came across a girls' clothing collection that checked all the right boxes. What immediately stood out was the combination of quality materials, thoughtful designs, and kid-friendly styles. The collection offers a variety of outfits suitable for both everyday wear and special occasions, making it easy to find something for any situation.

Comfort That Kids Actually Love

One of the biggest challenges when shopping for children is finding clothes they genuinely enjoy wearing. No matter how nice an outfit looks, it won't get much use if it's uncomfortable.

The fabrics in these outfits are soft, lightweight, and comfortable enough for all-day wear. My daughter immediately noticed the difference and was excited to try on her new clothes. That enthusiasm alone made the shopping experience worthwhile.

Style Meets Practicality

Parents often have to choose between fashionable clothing and practical clothing. Fortunately, that's not always necessary.

The designs are colorful, modern, and fun without sacrificing functionality. Whether it's for school, a playdate, or a family gathering, the outfits strike a nice balance between style and practicality. They allow kids to express their personalities while still being comfortable enough for active days.

Built for Everyday Adventures

Children's clothing needs to do more than look good—it needs to last. From playground activities to frequent washing cycles, durability is essential.

The quality construction and materials help ensure the clothes hold up well through regular use. For parents, that means fewer worries about wear and tear and better value over time.

Making Life Simpler for Parents

What I appreciated most was how easy the entire process felt. Instead of spending hours searching through countless options, I was able to find several outfits that met all my requirements in one place.

As parents, we're constantly juggling responsibilities. Finding reliable clothing that kids love can remove one small stress from an already busy schedule.

Final Thoughts

Shopping for children's clothing doesn't have to be complicated. With the right combination of comfort, durability, and style, it becomes much easier to build a wardrobe that both parents and kids appreciate.
https://frishay.com/