How to change the Jupyter start-up folder
May 31, 2020
[Ref https://stackoverflow.com/questions/35254852/how-to-change-the-jupyter-start-up-folder] Use the jupyter notebook config file: Open cmd (or Anaconda Prompt) and run jupyter notebook –generate-config. This writes a file to C:\Users\username\.jupyter\jupyter_notebook_config.py. Browse to the file location and open it in an Editor Search for the following line in the file: #c.NotebookApp.notebook_dir = ” Replace by c.NotebookApp.notebook_dir = ‘/the/path/to/home/folder/’ Make sure you use forward slashes in your path and use
Command Prompt: 11 basic commands you should know (cd, dir, mkdir, etc.)
May 31, 2020
[Ref https://www.digitalcitizen.life/command-prompt-how-use-basic-commands] How to change the directory (folder) in Command Prompt (CMD) CD\ command go one folder up, use the “cd..” command How to change the drive in Command Prompt (CMD) “d:” change the drive and the directory at the same time – “cd D:\Python Code” How to view the contents of a directory in
Setting CHROME as Default browser for Anaconda Jupyter Notebook
May 31, 2020
[Ref https://community.simplilearn.com/threads/setting-chrome-as-default-browser-for-anaconda-jupyter-notebook.48667/] Here is the way to override this default config and set chrome as a default browser while launching in simple steps. Step 1: Launch Anaconda command Prompt Step 2: Type the command ” jupyter notebook –generate-config ” step 3: Locate the generated configuration file in the path “C:\Users\XXXX\.jupyter\jupyter_notebook_config.py” and open it with notepad/any text editor. step
Python Lesson 1
May 31, 2020
[Ref Wiki, Youtube, It’s django:用Python迅速打造Web應用!] Python is an interpreted, high-level, general-purpose programming language. Recent years, it has been used more broadly than before. This article is not going to share to much about the history and applications. Instead, let’s take a look on the interface of the language. To “play” this language, we need something. If you have learnt PHP,
Protected: What’s Data Analysis Expressions (DAX)?
May 26, 2020
There is no excerpt because this is a protected post.
Protected: Dimensional modeling, Data Warehousing and Business Intelligence (DW/BI)
May 23, 2020
There is no excerpt because this is a protected post.
How to transform a table into “Number of Count Rows”
May 23, 2020
[Ref Beginning Microsoft Power BI ISBN 978-1-4842-5619-0] Enter Power Query mode “Transform” >> “Count Rows”
What’s Data Model?
May 23, 2020
[Ref Beginning Microsoft Power BI ISBN 978-1-4842-5619-0] a data model is made up of tables, columns, data types, and table relations.
Creating the Data Model
May 23, 2020
[Ref Beginning Microsoft Power BI ISBN 978-1-4842-5619-0] After Importing Data and performing data data munging, the third step in creating the Power BI model is creating the Data Model. “Normalization” is the process of organizing the data to make data querying easier and more efficient. There are a number of “rules/principles”: Don’t mix attributes of unrelated
What’s Data Munging?
May 23, 2020
[Ref Wiki] Data munging, sometimes referred to as Data wrangling, is the process of transforming and mapping data from one “raw” data form into another format with the intent of making it more appropriate and valuable for a variety of downstream purposes such as analytics.
Importing Data into Power BI Desktop
May 23, 2020
[Ref Beginning Microsoft Power BI ISBN 978-1-4842-5619-0] The first step in creating the Power BI model is importing data. We can import data from a variety of data sources: Relational Databases Online sources Web services [online analytical processing (OLAP) database] SQL Server Analysis Service (SSAS) Text Files (Here are only few examples, there are far
Gray in “Data View”
May 23, 2020
[Ref Beginning Microsoft Power BI ISBN 978-1-4842-5619-0] Notice that it’s grayed out. This means it’s hidden in the Report view. You can verify this by switching back to the Report view and verifying that you cannot see the field in the field list.
Auto date/time for new files option (Global Data Load Setting)
May 23, 2020
[Ref Microsoft] Auto date/time tables are permanently hidden, even from modelers. They cannot be seen in the Fields pane or the Model view diagram, and its rows cannot be seen in Data view. Also, the table and its column cannot be directly referenced by DAX expressions. Further, it’s not possible to work with them when using Analyze in
Urgency Surrounds Growing Space Debris Threat
May 15, 2020
[Ref aviationweek.com] HOUSTON—An estimated 5,000 spent rocket bodies and retired multinational spacecraft that circle the Earth—some with a mass of up to several tons—are part of a growing orbital debris population that poses a lingering collision threat to national security and civil space assets. Among those assets are the International Space Station and the connectivity
PolyU – web seminar 2020 May 5 1700 – 1800LT
May 5, 2020
Price discrimination is common. To gain customer loyalty- Frequent Flyer Program (FFP) FFP offers “miles” which allow you to get free flights or discounts – switching costs FFP usually has tier levels because airlines don’t want to create switching costs for those who don’t fly a lot.
What music (soundtrack) do I like?
May 1, 2020
foreboding music 預感 Eerie music ominous music tense music suspenseful music and pop music like this? https://www.youtube.com/watch?v=kGKkUN50R0c
