TechOverflow blog

How to fix ImportError: Missing optional dependency 'xlrd'. Install xlrd >= 1.0.0 for Excel support

Categories: Pandas, Python

Uli Köhler

2023-06-19 1 min read

XenOrchestra default username/password credentials

Categories: Virtualization

Uli Köhler

2023-06-15 0 min read

How to fix CMake "Could not find a package configuration file provided by "Qt5Core" on Ubuntu?

Categories: C/C++, CMake

Uli Köhler

2023-06-14 0 min read

How to add compiler flags to PlatformIO project

Categories: PlatformIO

Uli Köhler

2023-06-13 0 min read

How to parse query URLs using ESP-IDF webserver on ESP32

Categories: C/C++, ESP8266/ESP32

Uli Köhler

2023-06-13 1 min read

ESP-IDF webserver: How to respond with JSON success or error message

Categories: C/C++, ESP8266/ESP32

Uli Köhler

2023-06-13 0 min read

Easy-to-use ESP32 IDF webserver C++ wrapper class

Categories: C/C++, Embedded, ESP8266/ESP32

Uli Köhler

2023-06-13 1 min read

How to sort a std::vector of std::pairs

Categories: C/C++

Uli Köhler

2023-06-10 0 min read

How to fix boto3 upload_fileobj TypeError: Strings must be encoded before hashing

Categories: Python, S3

Uli Köhler

2023-06-09 1 min read

How to MD5-hash file in C++ using OpenSSL

Categories: C/C++, Cryptography

Uli Köhler

2023-06-09 0 min read