最近上网看到一些消息，说是Google要在Chrome51全面禁用SPDY协义下的NPN，转而使用ALPN.TL;DR: Support for HTTP/2 is widespread enough that SPDY/3.1 support can be dropped.TL;DR: As part of deprecation of SPDY, NPN is removed, havi...
我们在做一对一，或者一对多关系的时候，用的多是表与表之间的外键来进行查询。比如说，User和Comment模型之间有着一对多的关系。我们在User模型里做了如下定义：class User extends Model{
public function comments()
{
return $this->hasMany(Comment::class);
...