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Tag: javascript

Express-Postgres fails to apply array filter: error: operator does not exist: integer[] && text[]

The same query works on the terminal. But for some reason I’m getting an error: pg.query is unable to process the expression path && Array[$1] using this: https://www.postgresql.org/docs/9.2/functions-array.html Answer This should work: Why? Short answer: type resolution. Long answer: Concluding from the error message that comments.comment_id is of type integer. Forming an array from it with ARRAY[comment_id] produces an integer

SQLite3 Table Only Holds 1 Row

So, I have 2 tables, that I’ve added per the documentation, but something weird happens whenever I try to add a row to them. The data is written into the .db file, but whenever I query it, it only returns the first row. I can still update, and read these rows normally, but any data I write to them, just

SQLite table is only able to hold 1 row?

So, I have 2 tables, that I’ve added per the documentation, but something weird happens whenever I try to add a row to them. The data is written into the .db file, but whenever I query it, it only returns the first row. I can still update, and read these rows normally, but any data I write to them, just

new – TypeError: undefined is not a Function

I wrote a simple JS node file to query SQLite3 database with information I found on the Internet. However, I keep running into an error message as shown in the following image. I have checked other similar questions, but they are not as helpful. Isn’t new an operator? What am I doing Wrong? Answer According to the sqlite3 docs https://www.npmjs.com/package/sqlite3

Javascript won’t work properly with my form

So I am currently doing a project for our class, in which I have to display something that I previously stored in a database on a separate page. I chose to display every dataset, as it is the easiest to do. With PHP I implemented a foreach loop which is supposed to show each dataset with a button “EDIT” underneath

MySQL automatic apostrophes any ideas?

Im trying to patch a value in my Database, but Im getting an error. Backend: Frontend: Error: “You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ”important’ = 1 WHERE todo_id = 1′ at line 1″ SQL after processed: sql: “UPDATE posts SET ‘important’

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