How to delete git branches by regular expression?
Problem You want to delete plenty of branches in 1 line, e.g. you want to delete all release branches, named like: "release-1.0.0", "release-1.0.1" and so on Solution git branch -D… »
How to view all related tables in DB?
Problem You want to view all tables related to specific table by foreign keys. Or you'd like to see all tables related to specific column. Solution You can use this simple query: For specific table… »
How-to automatically restart docker container if it down?
Problem You have an unstable Docker container and need restart it automatically when it down. Solution Docker has useful parameter --restart with three options: no - do not restart container, default behavior always - restart… »
How-to GROUP BY list of objects to map in java?
Problem: You need to group list of objects by field to map by object field. You have list of objects and need to group them by some field and get a Map<Field, List&… »
How-to split (partition) Collection in java?
Problem You have big Collection of objects and would like to partition by NUMBER elements. As a result you'd like to have Collection with Collection, each of them containing NUMBER elements. For example: You have… »
Script to emulate 'tail -f' over http/ftp
Problem You need to get file over http and get it updates in realtime, like tail -f does it. Very useful if you have access to you logs only over http or ftp. Solution Script… »
Script to partition data by NUMBER elements and insert them into string with delimeter
Problem Sometimes you need to split your data by specific number of lines and paste them to another string using delimiter. Solution Script partition.py Partition STDIN by NUMBER of lines and put them into… »
How-to redirect using javascript?
Problem: You need to redirect user using javascript. Using vanilla JS, jQuery not nessesary Solution 1: Use this if you NOT need to put page to history // similar behavior as an HTTP redirect window.location.… »
How-to reset mysql root password
Problem You forget or don't know administrator password for mysql or mariaDB. You should have access to server (terminal or ssh) Solution To reset mysql administrator (root) password you should: 1. Stop database: sudo systemctl… »