Edit file ~/.bash_aliases

nano ~/.bash_aliases

For example, I make alias a. So when I press a it will produce php artisan tinker Here file ~/.bash_aliases

alias a='php artisan tinker'

Load aliases immediately

source ~/.bash_aliases

Php isset will tell false if variable is null.

//false
isset($a[1]);

$a[1] = null;
//false
isset($a[1]);

That’s why you should use array_key_exists if you need to check if it is set or not.

//false
array_key_exists($a[1]);

$a[1] = null;
//true
array_key_exists($a[1]);

Show process list sorted by memory usage

ps aux --sort=-%mem | awk 'NR<=800{print $0}'

Show process list with full start date

ps -eo pid,lstart,cmd

Remove commit but save current code

git reset --soft HEAD~1
git push origin master --force

Remove commit and remove commit’s code

git reset --hard HEAD~1
git push origin master --force

Laravel queue job is caching your job php code, so after updating job code you need to:

php artisan queue:restart

Fast command to test nginx config and reload nginx if test is successful

sudo nginx -t && sudo nginx -s reload

To run some command in background, so you can close terminal, type the following:

nohup command-with-options &

TL DR; To build app on windows to linux 64 type this in powershell

$Env:GOOS = "linux"; $Env:GOARCH = "amd64"; go build main.go

PHP server in current directory

php -S localhost:8000

PHP server in public directory

php -S localhost:8000 -t public

If you try to import dumped file, and there is such an error, try using mysql console with options and then import sql file

mysql -u root -p --max_allowed_packet=6400M

Troubleshoot

If you haven’t access to console or the previous doesn’t work

set global max_allowed_packet=10000000000;

Get random row from table in laravel 5.3+

$randomRow = DB::table('table')
            ->inRandomOrder()
            ->first();

Get random id from table in laravel 5.3+

$randomId = DB::table('table')
            ->inRandomOrder()
            ->value('id');