You're not as smart as you think you are
Nobody sets out to ship a SQL injection. Nobody opens their editor thinking "today I'll hardcode a secret." It happens because, in the moment, you wer…
Latest News
⚑ Report a ProblemTech news from the best sources
All topics
- игры
AI
Gear
News
Tech
agents
ai
api
architecture
automation
beginners
career
claude
devchallenge
devops
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
tutorial
typescript
webdev
Technical debt isn't debt. That's the problem
"Technical debt" is the most comforting lie in software engineering. It's a financial metaphor borrowed to make a bad decision sound like a strategic …
I built a behavioral analytics tool for app builders — here's why and how
Every solo developer hits the same wall eventually. You ship something. You get users. Then one by one, they quietly disappear. No error in your logs.…
Power BI DAX Essential Functions — Explained with Examples
If you’ve ever struggled with CALCULATE() or wondered why SUMX() behaves differently from SUM() , this guide is for you. DAX (Data Analysis Expression…
Day 71 - Advanced Partitioning Strategies for Petabyte-Scale Tables
As datasets grow into the petabyte range, choosing the right partitioning strategy becomes one of the most important architectural decisions in ClickH…
I'm developing a tool called showsignature [critics wanted]
Hello Dev Community I'm developing a tool called showsignature I've been using it to develop itself since the beginning and I've use it on other proje…
Designing an API-First Value-Based Care Analytics Stack for MA Payers
If you build software for Medicare Advantage (MA) plans, "analytics" usually arrives as a vague requirement and leaves as a pile of nightly batch jobs…
Data warehouse for startups: picking BigQuery or Snowflake
The best data warehouse for startups with a small data team For a small data team without a dedicated platform engineer, Google BigQuery is the easies…
Build a CDR Usage Analytics Dashboard in Python
Raw Call Detail Records are useful, but they are not exactly fun to read. If you are building with voice, messaging, or any communications workflow, C…
Deploying Matomo Analytics - An Open-Source Google Analytics Alternative
Matomo is an open-source web analytics platform that keeps full ownership of visitor data on infrastructure you control, a privacy-first alternative t…
Deploying Plausible Analytics - Self-Hosted Web Analytics Platform
Plausible Analytics is an open-source, self-hosted web analytics tool that tracks traffic without cookies or personal data collection, a privacy-first…
Day 64: ClickHouse® Query Cache – Configuration, Best Practices, and Common Pitfalls
Introduction Analytical platforms often execute the same SQL queries repeatedly. Business Intelligence (BI) dashboards refresh every few minutes, sche…
Day 63: Advanced ClickHouse® Dictionaries – Integrating External Data Sources for Faster Lookups
Introduction Modern analytics platforms rarely store all business data in one place. Customer information may reside in PostgreSQL, product catalogs i…
Meta Pixel not firing? The 6 real causes, in the order to check them
"The Meta Pixel isn't firing" is one of the most common things I get called in to fix. The frustrating part is that "the pixel is installed" and "the …
From My Machine to the Cloud: Connecting Power BI to SQL Databases; PostgreSQL (Local vs Aiven)
Introduction I used to think "connecting to a database" was one skill. Turns out it's two: connecting to a database chilling quietly on your own lapto…
Day 57: Internals of ClickHouse® Data Parts and Merges – A Complete Guide
Introduction One of the reasons ClickHouse® can handle massive analytical workloads with exceptional speed is its storage architecture. Unlike traditi…
Customizing D365 Sales — For Our Own Sales Team (Customer Zero) (5) Reorganizing the Dashboard Views
Note: I'm working on a separate article for Part ④, but it's not ready to publish yet, so I'm skipping ahead to Part ⑤. We'll use D365 Sales's built-i…
AI Assistants Are Quietly Sending You Customers — and Your CRM Can't See Them
The best acquisition channel in your CRM may be hiding under website . That sounds dramatic, but it is exactly what we found in our own CRM at Automaz…
Power BI Is More Than Dashboards: Why It Belongs in Modern Data Work
Despite the rise of Python, R, notebooks, cloud warehouses, and custom analytics platforms, Power BI remains one of the most important tools in my dat…
My best-looking ROAS campaigns were quietly destroying subscription revenue
Campaigns with the cleanest ROAS dashboards had collapsed subscription attach rates — from 40% down to under 12% — and nobody noticed for weeks. Here'…
DATA MODELLING RELATIONSHIPS AND SCHEMAS IN POWER BI
INTRODUCTION When I started using Power BI, I only thought of visuals like charts and graphs. However, as I progressed, I discovered a great data dash…
Building an Automated Affiliate Analytics Dashboard with Python
Affiliate marketing usually comes with dozens of dashboards. One network shows clicks. Another shows conversions. A third shows payouts. After a while…
From Tables to Insights: Understanding Data Modelling, Joins, Relationships and Data Schemas
Data Modelling is both an art and science because we are constantly trying to shape data so that the insights gained are as precise as possible. Data …
I timed stair carries on my commute ? the spreadsheet column mobility apps skip
I log commutes in a spreadsheet because mobility apps smooth over the ugly legs. Last week I added a column I should have tracked years ago: carry sec…
Power BI Finally Started Clicking(Schemas, Relationships & Joins)
You've loaded your data into Power BI. You've got the tables. Now what are you expected to do? Here's the thing most beginners skip: how your tables c…
Power BI: From Data Cleaning to Interactive Dashboards
Imagine you are an analyst handling messy data and you need to build a dashboard for the team to understand the relationship between the numbers. The …
How to Analyze Storefront Elements by Revenue Impact, Not Just CTR
Most ecommerce teams can tell you where traffic comes from. Fewer teams can tell you which storefront components actually move revenue. That gap matte…
The Serve Speed Paradox: Why Faster Servers Don't Always Win More (And What Actually Matters) [Jun 28]
I analyzed 487 ATP matches from 2023-2024 and found something that made me question everything tennis broadcasters tell us about serve dominance. Play…
You pay for Claude, Codex, and Cursor every month.
The bill gives you one number. It never tells you that half of it went to conversation instead of code. CodeBurn does. Every token and dollar, by task…
Hunting Digital Chameleons: How We Defeated Botnets in Laravel v2.4.0
In the world of web traffic, there’s a simple rule: if it looks like a regular user, walks like a user, and even brings its favorite cookies along—it …