Christopher questions

• PHP - How to solve error "using $this when not in object context"?
• AngularJS append text to ng-bind with filter
• Install gem gives "Failed to build gem native extension."
• Laravel 5.1 - How to set a message on progress bar
• Check if current page is homepage on Jekyll
• Define the selected option with the old input in Laravel / Blade
• Angular2 - Http POST request parameters

Christopher answers