indrer indrer

Problem

You have installed GPG, then tried to perform a git commit and suddenly you see this error message after it 😰

error: gpg failed to sign the data
fatal: failed to write commit object

Understand the error (important to solve it later!)

The repository for the assignment is public and Github does not allow the creation of private forks for public repositories.

The correct way of creating a private frok by duplicating the repo is documented here.

For this assignment the commands are:

Create a bare clone of the repository. (This is temporary and will be removed so just do it wherever.)

git clone --bare [email protected]:usi-systems/easytrace.git

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

General rules

Follow standard conventions.
Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
Boy scout rule. Leave the campground cleaner than you found it.
Always find root cause. Always look for the root cause of a problem.

	import pandas as pd
	import pandas.io.sql as sqlio
	import psycopg2

	conn = psycopg2.connect("host='{}' port={} dbname='{}' user={} password={}".format(host, port, dbname, username, pwd))
	sql = "select count(*) from table;"
	dat = sqlio.read_sql_query(sql, conn)
	conn = None

	import java.util.*;

	/*
	* Example of Observer Pattern:
	* Student is the model
	* View1 and View2 display information of the student
	* View3 changes information of the student
	* Whenever the student is changed, the views displaying it should be updated
	*/

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indrer indrer

Problem

General rules

Design rules