摘要：python和javascript类似, 可以把函数当作函数的返回值, 比如 def func(f): def subfunc(): print 'subfunc' return subfunc此外func的参数f也可以是一个函数,正是这样的结构让python可以实现装饰器模式 def deco(f 阅读全文

摘要：Https and SSL are based on encryption of Public key and Private key. The certificate is kind of the public key, while the private key is used to encry 阅读全文