SOLID
[S]ingle-responsibility principle:
Every class should only have one responsibility.
[O]pen-closed principle:
Software entitities (e.g. classes, functions, components), should be open for extension, but closed for modification. Write code in a manner that you are able to add new functionality, without changing the existing code, this prevents …
Category: Standards
Read MoreIf you just quickly want to create a temporary stash:
git stash
# .. do your thing
git stash pop
This create and applies a stash, if you want to manage multiple stashes however, the following process is recommended:
[A] Create stash
git stash push -m "stashname"
Or simply use git stash …
Category: Git
Read MoreAdd a submodule
You can add either a HTTPS or SSH URL (SSH is most convenient)
E.g. for github an HTTS URL looks like: https://github.com/...
and SSH URL looks like: git@github.com:.... The URL can be
picked from the github UI (Code button dropdown box).
git …Category: Git
Read MoreFirst you need a .gitattibutes files in your repository. This is where the LFS file patterns are stored.
:::sh touch .gitattributes
Now lets start tracking *.gz files as LFS.
git lfs track "*.gz"
This tells git-lfs to track all files matching the .bin pattern. The quotes around the *.bin are …
Category: Git
Read MoreThe ABCD Rules of thumb for SW dev. estimation
[A] Clarify scope & requirements
This includes making sure everyone really understand the requirements
Clarifying requirements can be difficult, and often those who kwow the exact requirements, don't always understand how to convey them to the development team (itereate untill this is …
Category: Standards
Read More# run docker container with mounted host directory
# (use a full absolute path for <host_dir>
docker run -v <host_dir>:<container_dir> -it <image_id|image_name> /bin/bash
# connect to a running docker container
docker ps
# >> container_id image container_name
# >> ... ... ...
docker exec -it <container_id|container_name> /bin …Category: Snippets [Docker]
Read More# To witch shell type, e.g. zsh
chsh -s /bin/zsh
chsh -s /bin/bash
# To hide bash deprecation warning on mac add the following to .bash_profile
export BASH_SILENCE_DEPRECATION_WARNING=1
# filter output and just print the n'th line of it
bash someScript.sh | sed -n …Category: Snippets [Bash]
Read MoreMost example code taken from A Tour of Go, which is an excellent introduction to Go. If you're new to Go, do that tour. Seriously.
Category: Snippets [Go]
Read MoreTo find the available JDK packages available for your system you can use
apt search, to install for example java-8 and java-11 JDK:
sudo apt install -y openjdk-8-jdk openjdk-11-jdk
NOTE: Since Debian 11, minimum available openjdk vesion included in the debian repositories, is version 11. The older JDK version can …
Category: Debian Linux
Read Moreimport queue
class BreadthFirstSearch:
def __init__(self, graph):
"""
graph: Graph represntation in the form of an adjecency list.
E.g: `B <- A -> C`, graph = { 'A' : ['B','C'], }
"""
self._graph = graph
def head(self):
# NOTE: In Python 3.7.0 the insertion-order preservation nature of
# dict objects has been declared to …Category: Snippets [Python]
Read More