On a site running Magento 1.9, user login is not working on Google Chrome. The problem is due to cookie setting in Magento. Login to Magento Admin, go to Admin > System > configuration > web > Session and Cookie Management Put your domain name in “Cookie Domain” text box and click Save Config. Magento […]
Laravel Database Migration Error Key too long How to find Laravel Framework Version Create project using latest laravel
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composer create-project --prefer-dist laravel/laravel blog |
Create project using specific version of laravel.
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composer create-project laravel/laravel=5.1.33 --prefer-dist blog |
You can see available laravel versions on site https://packagist.org/packages/laravel/laravel […]
When doing a database migration on Laravel, i get following error
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$ php artisan migrate [Illuminate\Database\QueryException] SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: alter table `users` add unique `users_email_unique`(`email`)) [PDOException] SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes $ |
This is because MariaDB use different UTF8 format. To fix, edit file
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vi ./app/Providers/AppServiceProvider.php |
Inside, find
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public function boot() { // } |
Replace with
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public function boot() { Schema::defaultStringLength(191); } |
You will also need to add
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use Illuminate\Support\Facades\Schema; |
here is how my file look like after editing.
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$ cat ./app/Providers/AppServiceProvider.php <?php namespace App\Providers; use Illuminate\Support\Facades\Schema; use Illuminate\Support\ServiceProvider; class AppServiceProvider extends ServiceProvider { /** * Bootstrap any application services. * * @return void */ public function boot() { Schema::defaultStringLength(191); } /** * Register any application services. * * @return void */ public function register() { // } } $ |
Laravel […]
Node.js applications when you run with nodejs command, you need to restart when a change is made to source code of the application. nodemon will watch your application source code for changes, restart if a change is detected. To install nodemon, run
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npm install -g nodemon |
Example
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nodemon app.js 3000 |
nodejs […]
Auto Start pm2 on boot pm2 is a process manager for node.js applications. It is similar to forever. http://pm2.keymetrics.io First you need to install npm, on Ubuntu/Debian, run
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apt install npm |
To install pm2, run
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npm install pm2 -g |
Start an Application
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pm2 start app.js |
Start an Application with name
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pm2 start app.js -n "app-name-here" |
Start Application in Cluster mode with
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pm2 start app.js -n "app-name-here" -i 5 |
To Scale a clustered […]
To check if PHP session is working, upload following script
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<?php session_start(); if (isset($_SESSION["ServerOk"])) { $_SESSION["ServerOk"] += 1; } else { $_SESSION["ServerOk"] = 1; } echo $_SESSION["ServerOk"]; |
Access the file, refresh the page in browser, if you see number increase with every refresh, PHP session is working properly on server. […]
To create a ruby on rails project, run
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rails new |
Nginx Rails Origin header didn’t match request.base_url […]
Create a php script with following content
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<?php echo "<pre>"; foreach (get_loaded_extensions() as $extn) { echo $extn . "\n"; } |
See php […]
Install Install Node.js on CentOS Install Node.js on Debian/Ubuntu Node.Js Version Manager Installing nvm (Node.js Version Manager) n – node version manager Node.js Tips nodemon pm2 process manager for node.js Node.js express.js enable SSL […]
n is node version manager. To install, run
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npm install n -g |
To list versions of node.js available, run
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n ls |
To install latest stable node.js
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n stable |
Node.Js […]