http://yonik.com/solr/atomic-updates/ Solr supports several modifiers that atomically update values of a document. set – set or replace a particular value, or remove the value if null is specified as the new value add – adds an additional value to a…
A method and apparatus for a atomic operation is described. A method comprises receiving a first program unit in a parallel computing environment, the first program unit including a memory update operation to be performed atomically, the memory updat…
XMemcached Introduction XMemcached is a new java memcached client. Maybe you don't know "memcached" so far, you can check Here. It is a free & open source, high-performance, distributed memory object caching system, generic in nature, but in…
一.多表的创建 from django.db import models # Create your models here. class Author(models.Model): id = models.AutoField(primary_key=True) name = models.CharField(max_length=32) age = models.IntegerField() au = models.OneToOneField(to='AuthorDetail',to_fiel…
