I am new to MVVM and am trying to figure out how to organize my app. I made a simplified login app to help figure things out. I separated the app into layers: A
Recently I started learning Mongodb. After the installation I ran the > mongo command and without starting the daemon ie the mongod and even without starting
While I am trying to select a table on a MySQL data base, I am getting the following error: SQL Error [1064] [42000]: You have an error in your SQL syntax; chec
In my code, before it does anything I have it check if there is data and if there isnt then make a new mongodb collection but when running the command and there
This is relational diagram of database I created: I need to insert total price in Orders.Total_Price column by multiplying the Pizza.Pizza_Price value with Ord
i have a sample query template to accept dynamic parameters to execute: ps_conn = psycopg2.connect(...) ps_cursor = ps_conn.cursor() ps_cursor.execute(''' S
I previously add a column to an existing table using, npm run migration:generate <filename>. However, I later realized that I misspelled the column name s
So im making a web based game similar to Torn City, where there could potentially be millions of users. My issue is regarding user inventories. I started out cr
I am trying to upload external data into the dashboard using explainer.set_x_row_func() and explainer.set_y_func(). Does anyone know how to do this? Below is ho
Is it possible to prevent changesets without a label from being deployed? We want to deploy our changesets based on feature/ticket using liquibase labels. Howev
I'm trying to build my first jpa hibernate projekt, but unfortunally i come across this error here: Error occurred during initialization of boot layer java.lang
When working with data values, should I create a single table storing the hourly values, and also the aggregated daily/monthly values, or should I create separa
I'm sort of new to Angular and I'm working on a small project for an internship. I created the front-end and sending data into the database, but now I'm having
A node of a Round in a game is connected to Answer nodes. (:Round)<-[:IN_ROUND]-(:Answer) It is expected every Round to have 5 or fewer Answers related to it
I would like to create ERD from my Heroku PostgreSQL database? How can I generate ERD? Is there any external tool that will help with this? Can you use Dbeaver
I would like to create ERD from my Heroku PostgreSQL database? How can I generate ERD? Is there any external tool that will help with this? Can you use Dbeaver
I'm working on a JAVA project and need to insert an entity in my DB using Hibernate but the fields need to be inserted only once. I have this ProjectEntity clas
I love how the SHOW TABLES query return the rows and the bytes for each table listed, but unfortunately, that's not the case for the SHOW SCHEMAS query. What's
I have this weird state that my db got into. Basically, some text is in mixed mode. windows-1252 and miscoded utf-8. Here's a sample: "donc d'être transpa
I want to Install Oracle Database Express on macbook m1 but it only supports linux and windows, I downloaded Sql developer but I m unable to download Oracle dat