Aleksandr Makov questions

• Multi-row horizontally centered list of floated items
• How to release memory allocated by a slice? [duplicate]
• CoffeeScript creating a wrapper function with passed arguments
• practical way to set and sequentially increment a value inside a map?
• AngularJS: binding ng-model to input[type=file] raises 'no longer usable' exception
• MySQL query optimization: how to optimize voting calculations?
• Angular docs: how can one share stateless/stateful code between controllers?
• Why my compiled class has it's methods local variables renamed?
• How does on-screen color inversion work in OS X?
• Why Java has so many editions unlike C#?

Aleksandr Makov answers