Should I always start with UML as a good practice when designing classes?

I am in the middle of creating a Bundle for PHP application based on Symfony 2.

Should I always start with UML as a good practice when designing classes?

I am in the middle of creating a Bundle for PHP application based on Symfony 2.

Should I always start with UML as a good practice when designing classes?

I am in the middle of creating a Bundle for PHP application based on Symfony 2.

Should I always start with UML as a good practice when designing classes?

I am in the middle of creating a Bundle for PHP application based on Symfony 2.

Refreshing website design and architecture

I have a website that is build with asp.net web forms. I would like to refresh design (using css, html5, responsive design) and also change it from web forms to asp.net MVC.

Refreshing website design and architecture

I have a website that is build with asp.net web forms. I would like to refresh design (using css, html5, responsive design) and also change it from web forms to asp.net MVC.

Stopping spiders or unauthorised users from viewing files

I am stumped at this problem.

Stopping spiders or unauthorised users from viewing files

I am stumped at this problem.

Minimize touching the already-working code when a radical change is required

I have a code that highly relies on an Array structure like the following:

Minimize touching the already-working code when a radical change is required

I have a code that highly relies on an Array structure like the following: