Managing the Activity Lifecycle
GET
STARTED
DEPENDENCIES AND PREREQUISITES
How to create an Android project (seeCreating
an Android Project)
YOU SHOULD ALSO READ
Activ...
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其他好文 时间：
2014-06-05 09:35:17
阅读次数：
320
【题目】
Validate if a given string is numeric.
Some examples:
"0" => true
" 0.1 " => true
"abc" => false
"1 a" => false
"2e10" => true
Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before imple...
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其他好文 时间：
2014-06-04 23:45:09
阅读次数：
388
【题目】
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
You should pack your words in a greedy approach; that is, pack as many words as you can in each line. Pad ...
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其他好文 时间：
2014-06-04 22:37:46
阅读次数：
389
【题目】
Follow up for "Remove Duplicates":
What if duplicates are allowed at most twice?
For example,
Given sorted array A = [1,1,1,2,2,3],
Your function should return length = 5, and A is now [1,1,2,2,3].
【题意】
给定一个有序数组，给数组去重，和Remove Duplicates from...
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其他好文 时间：
2014-06-03 05:36:24
阅读次数：
219
Optional: Get, Compile, Install QWT 5.0.0 (or
newer): * NOTE: You should not need to set the environment variables “QTDIR” or
“QWT_CFLAGS”, so leave t...
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系统相关 时间：
2014-05-31 20:53:04
阅读次数：
500
还没读TFIDFSimilarity的代码，读了一下lucene的文档，没有特复杂，感觉还是非常严谨的。对于查询q和文档d,如果查询为纯token查询，套用向量空间模型(VSM),相似度度量使用余弦，另外再加一个coord(q,d)即d中满足q中must和should查询条件个数的度量(预计通常是m...
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其他好文 时间：
2014-05-31 12:26:13
阅读次数：
447
1 2 13 25 26 You can count on this being a dark
29 background with light text on top, but should try to make no 30 other
assumptions ...
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移动开发 时间：
2014-05-31 06:12:59
阅读次数：
492
Given an array of integers, every element
appearstwiceexcept for one. Find that single one.Note:Your algorithm should have
a linear runtime complexity...
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其他好文 时间：
2014-05-30 16:16:29
阅读次数：
190
Given an array of integers, every element
appearsthreetimes except for one. Find that single one.Note:Your algorithm
should have a linear runtime comp...
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其他好文 时间：
2014-05-30 15:15:53
阅读次数：
225
Design and implement a data structure for Least
Recently Used (LRU) cache. It should support the following
operations:getandset.get(key)- Get the valu...
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其他好文 时间：
2014-05-30 15:09:06
阅读次数：
223
