How to setup Google Optimize server side test with GTM

Recently I come across A/B testing, to see which algorithm is most effective to trigger user clicks.

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Setup OpenVPN in AWS for RDS access

When we use AWS, often we will use RDS, for security reason, is better to not to expose to public.

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Laravel auto deployment with GitLab CI/CD

I've been heard of continuous integration long ago, thus I decide to give it a try.

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window.onbeforeunload trigger ajax request

Initially I was using jQuery.ajax call to send a request to server before user

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Use Google Analytics API with Laravel 5

No doubt that Google is very powerful. I've been researching for

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DataTable re-order rows

In CMS, often the navigation menu is editable in backend, and can change the order.

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Laravel - Integrate oEmbed into TinyMCE

oEmbed is a kind of standard to retrieve 3rd party site info.

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Laravel Eloquent join with subquery

Let's take the query from this post as example

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MySQL - a trick to filter multi-values column

For certain reason, sometime we want to filter the data in a multi-values column.

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Guzzle HTTP client cannot download file with special character

I'm using Guzzle to download image file, the code as below

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