Emir Mrkaljević

Emir Mrkaljević

Oct 26

Six themes for a 480x320 USB screen, and the bugs each one taught me

#showdev #python #windows #hardware

2 min read

Emir Mrkaljević

Oct 26

The error messages a Rust rewrite got subtly wrong: what a black-box probe found in uutils coreutils

#rust #cli #testing #opensource

3 min read

Emir Mrkaljević

Oct 26

How EU shops label the 30-day lowest price, and how a browser extension reads them in 15 languages

#javascript #webdev #opensource #browserextensions

1

4 min read

Emir Mrkaljević

Oct 26

Trust, but verify: cross-checking scraped prices against the shop's own unit price

#javascript #webextensions #testing #opensource

3 min read

Emir Mrkaljević

Oct 25

Why my STL to CAD script was 8 mm off on a printer part, and the fix

#python #3dprinting #cad #opensource

3 min read

Emir Mrkaljević

Oct 25

The packets a vendor app sends before you click anything: finding USB handshakes and session tokens

#linux #python #reverseengineering #usb

4 min read

Emir Mrkaljević

Oct 25

A one-page safety report for each smart device on your network

#iot #security #python #privacy

3 min read

Emir Mrkaljević

Oct 25

One shop, twenty countries: two small bugs that hid on Lidl's EU web shops

#webextensions #javascript #i18n #opensource

3 min read

Emir Mrkaljević

Oct 24

Why your browser extension UI looks broken on half the web (and how a small Shadow DOM wrapper fixes it)

#webextensions #javascript #css #opensource

3 min read

Emir Mrkaljević

Oct 23

Turning a 3D printer part's chamfers back into parameters you can edit

#python #3dprinting #cad #opensource

4 min read

Emir Mrkaljević

Oct 23

Grundpreis, jämförpris, egységár: reading unit prices on shops in 20+ EU languages

#javascript #webdev #regex #opensource

3 min read

Emir Mrkaljević

Oct 23

What my smart pet feeder does on the network (and why I couldn't capture the video)

#iot #security #privacy #python

2 min read

Emir Mrkaljević

Oct 22

Your router may have opened ports for your smart devices. Here's how to list them (read-only)

#iot #security #networking #python

3 min read

Emir Mrkaljević

Oct 22

I blamed fillets for my STL-to-CAD failures. The original STEP files said otherwise

#python #3dprinting #cad #opensource

1

4 min read

Emir Mrkaljević

Oct 22

Building a tray app for a 480 320 USB PC screen

#windows #python #desktop #usb

3 min read

Emir Mrkaljević

Oct 22

How to pull public emails and social links from a list of company websites with Python

#python #webscraping #leadgen #tutorial

6 min read

Emir Mrkaljević

Oct 22

Naming what a USB device reports back: rpm, flags and modes from the vendor app's screen

#linux #python #reverseengineering #opensource

5 min read

Emir Mrkaljević

Oct 21

A printer part that isn't one extrusion is often three: intersecting silhouettes to get editable CAD from an STL

#python #3dprinting #cad #opensource

5 min read

Emir Mrkaljević

Oct 21

Your content script ran once. The shop never reloaded: handling single-page navigation in an MV3 extension

#webextensions #javascript #browserextension #opensource

2 min read

Emir Mrkaljević

Oct 21

tail: cannot open '7': when localisation reformats your file names

#rust #i18n #testing #cli

1

2 min read

Emir Mrkaljević

Oct 20

My STL-to-CAD tool passed every synthetic test, then failed on real printer parts

#python #3dprinting #cad #opensource

6 min read

Emir Mrkaljević

Oct 20

How I parse pack sizes like 6x0,5l, 25 dag and Lt 2,0X6 across 27 European countries

#javascript #regex #webdev #opensource

4 min read

Emir Mrkaljević

Oct 19

France and Hungary make shops flag shrinkflation in store. I built a browser extension that does it online

#javascript #webdev #opensource #privacy

3 min read

Emir Mrkaljević

Oct 19

Turning Windows-only USB gadgets into open Python drivers with usb-rea

#linux #reverseengineering #python #opensource

4 min read

Emir Mrkaljević

Oct 18

Recovering fillets from noisy STL meshes, and writing OpenSCAD you can edit with one variable

#python #3dprinting #cad #opensource

7 min read

Emir Mrkaljević

Oct 18

Your CLI golden tests run in an empty directory (and that hides bugs)

#testing #cli #rust #go

1

2

3 min read

Emir Mrkaljević

Oct 18

Catching fake Black Friday discounts with a 400-line browser extension (and the EU's 30-day rule)

#javascript #webdev #opensource #privacy

4 min read

Emir Mrkaljević

Oct 16

Turning an STL back into editable CAD: fitting planes, cylinders and cones to noisy meshes in Python

#python #3dprinting #cad #opensource

4 min read

Emir Mrkaljević

Oct 15

How to turn any RSS or Atom feed into JSON and CSV with Python

#python #rss #webdev #tutorial

3 min read

Emir Mrkaljević

Oct 14

I diffed GNU coreutils against its Rust rewrite with auto-generated tests

#cli #testing #rust #go

3 min read

Emir Mrkaljević

Oct 12

Free EU tender alerts with the official TED API (Python, no scraping)

#govtech #opendata #python #api

1

2 min read

Emir Mrkaljević

Oct 9

How to find broken links and redirects hiding in your XML sitemap (with Python)

#seo #python #webdev #tutorial

2 min read

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Writing Debut

Six themes for a 480x320 USB screen, and the bugs each one taught me

Want to connect with Emir Mrkaljević?

The error messages a Rust rewrite got subtly wrong: what a black-box probe found in uutils coreutils

How EU shops label the 30-day lowest price, and how a browser extension reads them in 15 languages

Trust, but verify: cross-checking scraped prices against the shop's own unit price

Why my STL to CAD script was 8 mm off on a printer part, and the fix

The packets a vendor app sends before you click anything: finding USB handshakes and session tokens

A one-page safety report for each smart device on your network

One shop, twenty countries: two small bugs that hid on Lidl's EU web shops

Why your browser extension UI looks broken on half the web (and how a small Shadow DOM wrapper fixes it)

Turning a 3D printer part's chamfers back into parameters you can edit

Grundpreis, jämförpris, egységár: reading unit prices on shops in 20+ EU languages

What my smart pet feeder does on the network (and why I couldn't capture the video)

Your router may have opened ports for your smart devices. Here's how to list them (read-only)

I blamed fillets for my STL-to-CAD failures. The original STEP files said otherwise

Building a tray app for a 480 320 USB PC screen

How to pull public emails and social links from a list of company websites with Python

Naming what a USB device reports back: rpm, flags and modes from the vendor app's screen

A printer part that isn't one extrusion is often three: intersecting silhouettes to get editable CAD from an STL

Your content script ran once. The shop never reloaded: handling single-page navigation in an MV3 extension

tail: cannot open '7': when localisation reformats your file names

My STL-to-CAD tool passed every synthetic test, then failed on real printer parts

How I parse pack sizes like 6x0,5l, 25 dag and Lt 2,0X6 across 27 European countries

France and Hungary make shops flag shrinkflation in store. I built a browser extension that does it online

Turning Windows-only USB gadgets into open Python drivers with usb-rea

Recovering fillets from noisy STL meshes, and writing OpenSCAD you can edit with one variable

Your CLI golden tests run in an empty directory (and that hides bugs)

Catching fake Black Friday discounts with a 400-line browser extension (and the EU's 30-day rule)

Turning an STL back into editable CAD: fitting planes, cylinders and cones to noisy meshes in Python

How to turn any RSS or Atom feed into JSON and CSV with Python

I diffed GNU coreutils against its Rust rewrite with auto-generated tests

Free EU tender alerts with the official TED API (Python, no scraping)

How to find broken links and redirects hiding in your XML sitemap (with Python)