Exists is a keyword or function in many languages, especially in SQL.
I would like to know the simplest and fastest PHP code line to check if mcrypt extension is available/installed. …
php function encryption exists mcryptI have two similar tables in Postgres with just one 32-byte latin field (simple md5 hash). Both tables have ~30,000,000 rows. …
sql postgresql left-join exists full-outer-joinThe code below creates a MovieClip called "circle" and checks if it exists and deletes it via removeChild(); It removed …
actionscript-3 exists removechild addchildI'm looking for a way to find if element referenced in javascript has been inserted in the document. Lets illustrate …
javascript virtual document element existsI have an app, listening for the *.log file in a chosen folder. I used FileSystemWatcher. But there is a …
c# multithreading file sleep existsIs there any way in a simple query to return a Boolean value using an SQL EXISTS statement without using …
sql-server tsql existsWhen given an ID number, I want to check to see if it exists in the database. Return true if …
mysql existsI am using Terraform version 0.12. I have a requirement to skip resource creation if resource with the same name already …
resources terraform exists