CODESAND

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CodeSand Co., Ltd. builds mobile apps and web services, so you can get things done quickly and easily on the phone you use every day.

Open Docs

SecurityOperationsHow to Apply the Urgent PHP Security Update (CVE-2026-109618, 109619) on Ubuntu Verified 2026.10.23Ubuntu 24.04PHP 8.3x86_64
DatabasesInstallationHow to Install DBerio DB Client on Windows 11 (MySQL, MariaDB, SQLite, PostgreSQL, Redis) Verified 2026.10.17Windows 11DBerio 1.0x64
Developer toolsInstallationHow to Install Python with pyenv on Ubuntu 26.04 (Latest Version, Switching Versions) Verified 2026.10.16Ubuntu 26.04Python 3.15x86_64
Developer toolsInstallationHow to Install Python with pyenv on Ubuntu 24.04 (Latest Version, Switching Versions) Verified 2026.10.16Ubuntu 24.04Python 3.15x86_64
Developer toolsInstallationHow to Install Python with pyenv on Ubuntu 22.04 (Latest Version, Switching Versions) Verified 2026.10.16Ubuntu 22.04Python 3.15x86_64
Developer toolsInstallationHow to Install Python with uv on Ubuntu 26.04 (Latest Version, Switching Versions) Verified 2026.10.16Ubuntu 26.04Python 3.15x86_64

Blog

Hanjjok2026.10.24

HWP Viewer Hanjjok Update — Two-Finger PDF Zoom, Fixes for Large PDFs and Tables

D-Day Keep2026.10.24

D-Day Widget App D-Day Keep Update — Corrected 100-Day Reminder Dates, 2×1 Widget Title Cutoff Fixed

Sound Meter2026.10.24

Noise Meter App for Neighbor Noise: Sound Meter Update — Fixed the App Closing During Recording Playback

Hanjjok2026.10.22

HWP viewer Hanjjok is now in English — open Korean HWP files on your phone

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