Node

This concise, straight-to-the-point article gives a few quick examples of using AND and OR operators in TypeORM. No more rambling; let’s get our hands dirty by writing some code. Creating a sample entity In the coming…

If you’re using TypeORM to work with PostgreSQL or MySQL and want to save BIGINT (from -2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807)) to your database, you have to define your column as follows: The important thing here…

When performing CRUD operations with TypeORM, you can set timeout (maximum execution time) for a certain query like so: If the query above takes more than 3000 milliseconds, it will be dropped to avoid crashing the…

When working with TypeORM, there might be cases where you want to exclude one or multiple columns (fields) from being selected. This succinct article will show you two different ways to do that. Make a column…

This concise article shows you how to change the npm cache folder in Windows and macOS. Without any further ado, let’s get started. Windows The default npm cache folder in Windows is: You can set your…

By default, every field (column) of a TypeORM entity is NOT NULL. You can make a specific field become nullable by setting the nullable option to true, like this: In case you want to add the…

If you’re working with PostgreSQL or MySQL and making use of TypeORM in your code then you can add a column with the ENUM (enumerated) data type like so: This entity will create a table named…

When defining entities with TypeORM and TypeScript, you may encounter an annoying issue as follows: The warnings are present not only in the id field but also in all other fields in my classes entity: The…

In TypeORM, you can add a created_at column and a updated_at column by making use of the CreateDateColumn and UpdateDateColumn decorators, respectively. These columns will be automatically initialized and updated to the current date and time…

There might be times when you might want to export something based on one or multiple conditions (for example, you want to export configuration information like database, API keys, etc for development environment and production environment)….

This short article walks you through 2 different ways to set the default time zone in Node.js. The first approach is to modify the TZ environment variable and the second one is to make use of…

In Node.js, you can compress a file using the Gzip format by using streams. We can get the job done with just a few lines of code and there is no need to install any third-party…