Do Test Classes Run When Installing a Managed Package?

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| By Mohit Mahajan

The straightforward answer is no. When you install a managed package from the AppExchange or via a link into your Salesforce org, the Apex test classes included in that package do not run by default. This often surprises people because

Mysql access denied error for user root@localhost in XAMPP

| By Webner

Problem: Mysql access denied error for user root@localhost when using in XAMPP server (windows) even when credentials are correct. Solution: Actually the problem is not in code, the issue is that by-default mysql in xampp allowed passwordless authentication in mysql, so