Useful tips for everyday
What are ActiveRecord methods? Active Record gives us several mechanisms, the most important being the ability to: Represent models and their data. Represent associations between…
How do I upload a downloadable PDF? Click the “Files” link, click the “Upload Files” link, and then click the “Choose File” button to select…
Where can I ask a specific question? Where can I ask a question on the Internet? Answerbag. Answerbag is a website that helps answer questions…
What is a SMTP host name? An SMTP email server will have an address (or addresses) that can be set by the mail client or…
Why is my recorded video blurry? Your footage becomes blurry when you zoom in or scale footage larger than what you originally recorded at. Depending…
What is Dev full used for? In Linux, FreeBSD, NetBSD /dev/full or the always full device is a special file that always returns the error…
What is DDL permission? DDL or Data Definition Language actually consists of the SQL commands that can be used to define the database schema. DDL…
How to create a gin Index in PostgreSQL? Creates a GIN (Generalized Inverted Index)-based index. The column must be of tsvector type. Creates a GiST…
What language is closest to Slovakian? Slovak is the language spoken in Slovakia, a country in Central Europe. It is a language from Slavic language…
How do I link to a document in a Facebook post? You can also share a PDF file with the other people in a Facebook…