TechOverflow blog

ElasticSearch equivalent to MongoDB .distinct(...)

Categories: Databases, ElasticSearch, Python

Uli Köhler

2019-03-17 1 min read

How to query distinct field values in ElasticSearch

Categories: Databases, ElasticSearch, Python

Uli Köhler

2019-03-17 1 min read

How to fix ElasticSearch 'Fielddata is disabled on text fields by default' for keyword field

Categories: Databases, ElasticSearch

Uli Köhler

2019-03-17 1 min read

How to fix ModuleNotFoundError: No module named 'grpc' in Python

Categories: Cloud, Linux, Python

Uli Köhler

2019-03-17 0 min read

How to fix echo printing literal \n (backslash newline)

Categories: Linux

Uli Köhler

2019-03-16 0 min read

How to solve permission denied error when trying to echo into a file

Categories: Linux

Uli Köhler

2019-03-16 1 min read

How to fix ERROR: Couldn't connect to Docker daemon at http+docker://localhost - is it running?

Categories: Container, Docker, Linux

Uli Köhler

2019-03-16 1 min read

docker-compose systemd .service generator

Categories: Docker, Generators, Linux

Uli Köhler

2019-03-16 1 min read

Resistor power dissipation calculator

Categories: Calculators, Electronics

Uli Köhler

2019-03-15 0 min read

What is the default SSH username/password for OctoPrint/OctoPi?

Categories: Embedded, Linux

Uli Köhler

2019-03-12 0 min read