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Getting Started
开始
Modeling a system involves identifying the things that are important to your particular view. These things form the vocabulary of the system you are modeling. For example, ...
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其他好文 时间:
2014-06-22 22:33:29
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220
1.classmethods
such
as select/update/insert/delete queries。
# Example:
class User(Model):
username = CharField()
join_date = DateTimeField()
is_admin = BooleanField()
u = User(use...
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编程语言 时间:
2014-06-22 21:27:39
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436
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
For example:
Given the below binary tree and sum...
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其他好文 时间:
2014-06-22 20:59:24
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227
Given a linked list, remove the nth node from the end of list and return its head.
For example,
Given linked list: 1->2->3->4->5, and n = 2.
After removing the second node from the end, the...
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其他好文 时间:
2014-06-22 20:02:46
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182
题目:Unique Binary Search Trees IIGivenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your...
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其他好文 时间:
2014-06-22 13:49:21
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243
Printing known-length multipage output Using the PrintDataGrid control for multipage grids Example: Printing with multipage PrintDataGrid controls Mul...
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其他好文 时间:
2014-06-22 13:01:58
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159
Write a function for retrieving the total number of substring palindromes.
For example the input is 'abba' then the possible palindromes= a, b, b, a, bb, abba
So the result is 6.
Updated at 11...
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其他好文 时间:
2014-06-21 23:59:42
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422
上一篇已经介绍了Android种Bitmap和Canvas的使用,下面我们来写一个具体实例
http://blog.csdn.net/zhaoyazhi2129/article/details/32136179
运行效果:
主要代码
package com.example.guaguale;
import android.app.Activity;
import androi...
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其他好文 时间:
2014-06-21 23:19:04
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235
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For example:
Given the below binary tree and sum = 22,
5
/ ...
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其他好文 时间:
2014-06-21 22:44:58
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266
点击监听器接口:onClickListener抽象函数onClick(Viewv)有2个方法实现监听:1:当前类继承点击监听器接口packagecom.example.button;importandroid.app.Activity;importandroid.os.Bundle;importandroid.view.Menu;importandroid.view.View;importandroid.view.View.OnClickLi..
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移动开发 时间:
2014-06-21 19:24:32
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267