Clickhouse
On Ubuntu 18.04 you can query and it will output some info, like main pid, where is the server.log etc. How to pipe commands from file to clickhouse-client? Where is […]
Big Data Tools
Probability and Statistics
Stars and Bars Argument (Einstein-Bose) or placing n identical objects into n distinct bins, or drawing k times from n balls with replacement, order does not matter
https://brilliant.org/wiki/integer-equations-star-and-bars/ https://brilliant.org/wiki/identical-objects-into-distinct-bins/ So, the total number of objects consists of the number of balls or start or else plus the number of bins -1 (which is the number of bars
Python
Python Snippets
How to shift time in timedate index in pandas dataframe: How to sample n times from an object (e.g.) an array without replacement?
Big Data Tools
Clickhouse and Kafka
After installation of clickhouse and kafka and creation of a topic called ‘test’ and sending ipfix data to this topic we are now ready to store this data permanently in
Linux
How to find out which package contains certain file in Ubuntu/Debian
Debian, Ubuntu and derivatives We’ll use apt-file. First install it. Update its database And now search for a specific file.
Probability and Statistics
Jupyter-Notebook: Confirming frequentists interpretation of conditional dependency
AllGirlsIfAtLeastOneGirl In [6]: from scipy.stats import binom, uniform import numpy as np #sample from a binomial distribution #Model: Urn with balls of 2 colors. Draw a ball n times with replacement