#1-100的累加
#①for方法
a = 0
for i in range(1,101):
a =a+i
print(a)
#②sum方法
print (sum (range(1,101)))
#③while方法
a = 0
b = 0
while b < 100:
b += 1
a += b
print(a)
什么是Hessian
The Hessian binary web service protocol makes web services usable without requiring a large framework, and without learning yet another alphabet soup of protocols. Because it is a binary p
在Spark Shell上,通过创建HiveContext可以直接进行Hive操作
1. 操作Hive中已存在的表
[hadoop@hadoop bin]$ ./spark-shell
Spark assembly has been built with Hive, including Datanucleus jars on classpath
Welcom
JMS Message Delivery Reliability and Acknowledgement Patterns
http://wso2.com/library/articles/2013/01/jms-message-delivery-reliability-acknowledgement-patterns/
Transaction and redelivery in
转载请出自出处:http://eksliang.iteye.com/blog/2177567 一、游标
数据库使用游标返回find的执行结果。客户端对游标的实现通常能够对最终结果进行有效控制,从shell中定义一个游标非常简单,就是将查询结果分配给一个变量(用var声明的变量就是局部变量),便创建了一个游标,如下所示:
> var