Performance difference between Hack / HHVM vs PHP / HHVM...

Shapes in hacklang...

Hybrid PHP/Hacklang: Use the typechecker on regular PHP with commented type annotations...

Setting EnableHipHopSyntax to True with HHVM...

Simple code - not outputting message...

Why is generic instantiation syntax disallowed in Hack?...

Will Hack language support function-overloading polymorphism?...

Debian 7 Nginx HHVM server not running hh code...

Hack back to php...

Linear types in hacklang: Statically forcing an order of function calls...

Hacklang: How do I type-annotate a local/global variable?...

What is the top type in the Hack language?...

Hacklang command line program in strict mode...

How to get XHP working in hack/hhvm on Ubuntu...

Common php functions in hack...

Is Hacklang a stateful or stateless language?...

Can I use HHVM side by side with the regular PHP interpreter...

Hacklang tutorial - this type in extend class...

What's the status regarding HHVM?...