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Mastering Development

Flutter ListView won’t Update

I am new to Flutter development. I just started to make Note app with Provider pattern, but when I update note, It won’t update and It just create a new note in list. But when I minimize and return back list is updated. when I click on the item, it shows old data. Help me […]

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Mastering Development

Working with DBeaver encountering an issue where a only one of 2 tables is displaying in Database Navigator

related article: here is an article that appears to be closed for being an "irreproducible" issue related article: here is another related article System information: Operating system (distribution) and version: Mac Catalina DBeaver version: 7.1.2 Database name and version: Postgresql Driver name: JDBC Driver for SQL Server Express Server VSCode I am doing a simple […]

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Mastering Development

importing PHP MySql database

I’m trying to import database to phpmyadmin the error is :- “”Error Static analysis: 3 errors were found during analysis. Variable name was expected. (near ” ” at position 5) Variable name was expected. (near ” ” at position 26) Unrecognized statement type. (near “Host” at position 0) SQL query: Host: localhost (Version: 5.6.16) # […]

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Database Development

How to prevent seek pagination from doing sequential scan over entire table

I have 3 tables and a materialized view: resource_categories contains all category names and metadata create table if not exists resource_categories ( category_id INT, title VARCHAR(255), content TEXT, icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, title VARCHAR(255), content TEXT, link VARCHAR(1000), category_id INT […]

Categories
Database Development

How to prevent seek pagination from doing sequential scan over entire table

I have 3 tables and a materialized view resource_categories contains all category names and metadata create table if not exists resource_categories ( category_id INT, title VARCHAR(255), content TEXT, icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, title VARCHAR(255), content TEXT, link VARCHAR(1000), category_id INT […]

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Development SQL

Force Explicit Setting of Column Value with SQLite Trigger

Is it possible to declare a trigger in SQLite3 which forces the user to explictly provide a value within an UPDATE statement? Lets assume we have an Article table: CREATE TABLE Article ( Id INTEGER PRIMARY KEY, Title TEXT NOT NULL UNIQUE, Content TEXT, UserInserted TEXT NOT NULL, UserUpdated TEXT ); I can declare the […]