How To Create a Dump File in Postgres Compatible with Heroku
When Heroku creates a dump file of your Postgres database it uses the `-Fc` option
It is equivalent to running
pg_dump -Fc -d name_of_db > name_of_db.dump
This command will let you import your database with the `pg_restore` command
pg_rest...
Written by Sean Behan on 03/06/2017
How to Generate a UUID in PHP 7
Here is a little snippet for generating a UUID in PHP 7
function uuid(){
$data = random_bytes(16);
$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_...
Written by Sean Behan on 10/26/2017
using rails paperclip plugin on ubuntu
paperclip is an awesome plugin for rails. it let's you attach an image to any of your models. installation and usage more information is available at http://jimneath.org/2008/04/17/paperclip-attaching-files-in-rails/
by default paperclip uses the image m...
Written by Sean Behan on 06/17/2012
How to Just Get SQL Statement Error with SQLAlchemy Python Database Wrapper
If you're working with SQLAlchemy, the best database driver for Python, and want to see only SQL syntax errors, you need to use the StatementError exception class. On it, is an attribute `orig`, that contains just the SQL syntax error... and not any data...
Written by Sean Behan on 05/10/2018
How to Dynamically Call a Method from a String in Swift
You have to subclass NSObject
class Car : NSObject {
func drive(){
print("Driving..")
}
}
let car : Car = Car()
car.perform(NSSelectorFromString("drive"))
Written by Sean Behan on 06/09/2018
