Given a string S, find the length of the longest substring T that contains at most two distinct characters.Given S = “eceba”,T is “ece” which its leng...
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其他好文 时间：
2015-04-24 07:48:35
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109
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
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其他好文 时间：
2015-04-23 23:27:06
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138
1 IntelliJ IDEA是一款非常优秀的JAVA编辑器，是jetbrain开发的一个IDE，用于Java、Groovy、Scala等的开发，自称是当前最智能的Java开发环境（The most intelligent IDE for Java platform），相对于其他开发工具来说，其对于...
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其他好文 时间：
2015-04-23 23:14:03
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260
traceback模块被用来跟踪异常返回信息. 如下例所示:12345importtracebacktry:raiseSyntaxError,"traceback test"except:traceback.print_exc()将会在控制台输出类似结果:1234Traceback (most re...
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编程语言 时间：
2015-04-23 19:08:11
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441
CSSSelectorExampleDescriptionelement.elementdiv.dropdownSelect all elements whose class=“dropdown”element#elementdiv#new-inputSelect all elements...
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Web程序 时间：
2015-04-23 15:19:33
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141
Don’t Repeat YourselfSteve SmithOF ALL THE PRiNCiPLES OF PROGRAMMiNG, Don’t Repeat Yourself (DRY) is perhaps one of the most fundamental. The principle was formulated by Andy Hunt and Dave Thomas in Th...
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其他好文 时间：
2015-04-23 10:59:27
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123
Let f(w) be the frequency of a word w in free text. Suppose that all the words of a text are ranked according to their frequency, with the most freque...
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其他好文 时间：
2015-04-23 01:51:21
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160
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
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其他好文 时间：
2015-04-22 20:32:54
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145
The Play logger is built onLog4j. Since most Java libraries use Log4j or a wrapper able to use Log4j as a backend, you can easily configure logging th...
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其他好文 时间：
2015-04-22 13:29:16
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233
http://www.asterisk.org/asterisk is the world's most widely adopted open source commnuctions platform。asterisk 是世界上最广泛采用的开源通信平台。Asterisk is the produc...
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其他好文 时间：
2015-04-22 13:22:26
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115
