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SQL RecycleBin: An Undo Button for SQL Server
34+ min ago (231+ words) Every DBA has lived this moment: someone runs a DELETE without a WHERE clause on a production table, and the room goes quiet. Oracle has had an answer for this for years — Flashback Query. SQL Server's answer has basically been:…...
X-MaP (Cross-Mapped Programming): Treating the Header Row as a Schema, Rows as Instances, and Columns as Lazy Properties
1+ hour, 27+ min ago (965+ words) A Japanese-language version of this article is available on Zenn. I've prepared a blank map. Fill in what you need, as your own — and draw the shipping lanes, the pipelines, so that data, the traveler, can reach the right destination....
Creating my own shell for unix
11+ hour, 55+ min ago (17+ words) My journey in building Astra, a modern customizable shell for macOS. Tagged with terminal, shell, rust, opensource....
REST-style GraphQL — one line of Java handles filtering + sorting + pagination + stats + CSV export.
13+ hour, 48+ min ago (841+ words) A backend engineer's confession: you just wrote 100 lines of Java code to do exactly one thing — glue a few HTTP parameters into a SQL string. My PM sent me a mockup. Pretty standard admin panel stuff: "Easy, right? Can we…...
Como crear Roles de Usuarios RBAC Plano PHP MySQL
18+ hour, 4+ min ago (406+ words) Guía crear Roles de Usuario usando RBAC Plano con PHP MySQL Agustin RamosJul 24, 2026PHP Stuffs El control de acceso basado en roles (RBAC) es utilizado en la mayoría de los sistemas para definir qué puede hacer cada usuario. En su versión…...
SQL Injection UNION Attack: Determining the Number of Columns Returned by the Query
16+ hour, 53+ min ago (22+ words) Platform: PortSwigger Web Security Academy Category: SQL Injection Difficulty …...
Day 99 - Efficient Random Sampling with system.numbers_mt: Parallel Number Generation in ClickHouse® 26.3
22+ hour, 30+ min ago (599+ words) One such change in ClickHouse® 26.3 is the removal of the experimental Hypothesis Skip Index (TYPE hypothesis). If you experimented with this index type in earlier versions, you'll need to update your schema before upgrading to ClickHouse® 26.3. Otherwise, table creation or…...
How to Build an Interactive Sales Analytics Dashboard in Python using Streamlit
1+ day, 28+ min ago (147+ words) bash pip install streamlit pandas numpy python import streamlit as st import pandas as pd import numpy as np col1, col2 = st.columns(2) bash streamlit run app.py Nice walkthrough. One thing I’d add is that the example scales well for a…...
Moving a 136 GB MySQL table to another disk at 2 a.m. (the safe way, not a symlink)
1+ day, 1+ hour ago (745+ words) One thing saved the night. A second, nearly empty data volume was already mounted on the box, roughly 294 GB free, doing basically nothing. So the plan was easy to say and a little scary to run: get the biggest table…...
Lucidchart ERD Alternative: A Desktop ERD Tool That Connects to Your Database
1+ day, 2+ hour ago (516+ words) Lucidchart has no live database connection - schema arrives as a hand-exported CSV. Schemity is the Lucidchart ERD alternative that reverse engineers your... Tagged with database, sql, tooling, programming....