A man can fail many times, but he isn't a failure until he begins to blame somebody else.—— J. Burroughs一个人可以失败许多次,但是只要他没有开始责怪别人,他还不是一个失败者。——巴勒斯
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其他好文 时间:
2014-07-16 23:20:38
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203
There are simply no limits on how many bags of jute and denim are available. You can find them in all sorts of patterns and colors that bring joy to u...
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其他好文 时间:
2014-07-16 23:09:32
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190
多重性关系可以是Optional(一个属性可拥有一个单个实例或没有)Required(一个属性必须拥有一个单个实例)Many很多的(一个属性可以拥有一个集合或一个单个实例)。Has方法包括如下几个:? HasOptional? HasRequired? HasMany在多数情况还需要在Has方法后面...
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其他好文 时间:
2014-07-10 12:53:30
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241
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?
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其他好文 时间:
2014-07-10 11:10:26
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302
class Customer < ActiveRecord::Base has_many :ordersendclass Order < ActiveRecord::Base belongs_to :customerend如上代码两个model在做如下查询的时候:c = Customer.fir.....
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其他好文 时间:
2014-07-10 10:03:57
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293
同步或者提交的时候出现问题提示The working copy needs to be upgradedsvn: Working copy 'E:\JAVA\Workspaces\uhr' is too old (format 10,created by Subversion 1.6)问题原因:项目...
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其他好文 时间:
2014-07-09 23:53:25
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299
循环同构的最小表示法。 1 #include 2 #include 3 4 #define MAXN 10005 5 #define MAXL 105 6 7 char map[MAXN][MAXL]; 8 char buf[MAXL]; 9 10 int Min_exp(char str[...
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其他好文 时间:
2014-07-07 23:06:44
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213
You are climbing a stair case. It takes n steps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you cli...
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其他好文 时间:
2014-07-07 21:03:15
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157
The following packages should be installed:python-ibusibusibus-clutteribus-gtkibus-m17n: input many non-latin charactersibus-pinyinibus-qt4ibus-tablei...
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系统相关 时间:
2014-06-30 13:14:49
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455
我这段时间在用redis,感觉挺方便的,但比较疑惑在选择内存数据库的时候到底什么时候选择redis,什么时候选择memcache,然后就查到下面对应的资料,是来自redis作者的说法(stackoverflow上面)。 You should not care too much about per.....
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其他好文 时间:
2014-06-27 16:02:52
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253