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- How to fix database update PendingModelChangesWarning error
Add a new migration before updating the database This exception can be suppressed or logged by passing event ID 'RelationalEventId PendingModelChangesWarning' to the 'ConfigureWarnings' method in 'DbContext OnConfiguring' or 'AddDbContext'
- html - target=_blank vs. target=_new - Stack Overflow
The target attribute of a link forces the browser to open the destination page in a new browser window Using _blank as a target value will spawn a new window every time while using _new will only spawn one new window and every link clicked with a target value of _new will replace the page loaded in the previously spawned window
- git - Create a new branch - Stack Overflow
Create new branch git checkout -b <newbranchname> At this point I am slightly confused about where you want to commit your current branch I am assuming that you are trying to commit it to the new branch you created in #3 Merge changes from initial branch onto new branch git merge <initialbranch> Retrieve stored changes from stash git stash pop
- How to add a column with a default value to an existing table in SQL . . .
Here TaskSheet is the particular table name and IsBilledToClient is the new column which you are going to insert and 1 the default value That means in the new column what will be the value of the existing rows, therefore one will be set automatically there
- How the \n symbol works in python - Stack Overflow
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- Creating an empty Pandas DataFrame, and then filling it
In this example I am using this pandas doc to create a new data frame and then using append to write to the newDF with data from oldDF If I have to keep appending new data into this newDF from more than one oldDFs, I just use a for loop to iterate over pandas DataFrame append() Note: append() is deprecated since version 1 4 0 Use concat()
- How can I update Node. js and npm to their latest versions?
I just installed Node js on a new Windows 7 machine, with the following results: > node -v v0 12 0 > npm -v 2 5 1 I then did the above described procedure: > npm install -g npm and it upgraded to v2 7 3 Except than doing npm -v still gave 2 5 1 I went to the System configuration panel, advanced settings, environment variables
- How to create virtual env with Python 3? - Stack Overflow
To create a virtual environment, go to your project’s directory and run the following command This will create a new virtual environment in a local folder named venv: python3 -m venv venv Activate a virtual environment source venv bin activate To confirm the virtual environment is activated, check the location of your Python interpreter:
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