当我在SQLPLUS执行 :
INSERT INTO customers (
customer_id, first_name, last_name, dob, phone
) VALUES (
5, 'Doreen', 'Blue', '20-MAY-1970', NULL
);
出现 “ORA-01843: 无效的月份 ”这个错误。 Google之后找到下面的这篇文章...
分类:
其他好文 时间:
2014-05-10 09:19:59
阅读次数:
348
简单:e sum of the squares of the first ten natural
numbers is,12 + 22 + ... + 102 = 385The square of the sum of the first ten
natural numbers is,(1 + 2 ...
分类:
其他好文 时间:
2014-05-07 20:23:43
阅读次数:
338
.closest( selector )
Description: For
each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tre...
分类:
Web程序 时间:
2014-05-07 15:07:34
阅读次数:
380
Problem:Work out the first ten digits of the
sum of the following one-hundred 50-digit
numbers.3710728753390210279879799822083759024651013574025046376...
分类:
其他好文 时间:
2014-05-07 13:34:38
阅读次数:
299
代码大全
重构:改善既有代码的设计
重构与模式
修改代码的艺术
实现模式
深入浅出设计模式(First head)
企业应用架构模式
分析模式*
代码整洁之道*
编程珠玑*
程序员的职业素养*
别闹了,费曼先生!*
测试驱动开发TDD*
验收测试开发ATDD*
Cucumber:行为驱动开发指南BDD*
设计原本:计算机科学巨匠Frederic...
分类:
其他好文 时间:
2014-05-07 06:17:20
阅读次数:
360
The number of steps
Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^
题目描述
Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the seco...
分类:
其他好文 时间:
2014-05-07 06:15:59
阅读次数:
427
Problem DescriptionThe expression N!, read as
"N factorial," denotes the product of the first N positive integers, where N is
nonnegative. So, for exa...
分类:
其他好文 时间:
2014-05-07 00:11:55
阅读次数:
353
Chef develops his own computer program for playing chess. He is at the very beginning. At first he needs to write the module that will receive moves written by the players and analyze it. The module w...
分类:
其他好文 时间:
2014-05-06 23:11:26
阅读次数:
497
For a given positive integer n, please find the smallest positive integer x that we can find an integer y such that y^2 = n +x^2.
Input
The first line is an integer T, which is the the...
分类:
其他好文 时间:
2014-05-06 19:21:10
阅读次数:
290
以我的经验,大部分技术,熟读下列四类书籍即可。
入门,用浅显的语言和方式讲述正确的道理和方法,如head first系列全面,巨细无遗地探讨每个细节,遇到疑难问题时往往可以在这里得到理论解答,如Definitive Guide/Programming xx系列实践,结合实际中经常遇到的情景环境,来描述如何设计和解决问题,如cookbook系列深入,讲解一些文化,思路,甚至于哲学上的东西,真...
分类:
编程语言 时间:
2014-05-06 14:50:51
阅读次数:
559