题目Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example: 
Given n = 13, 
Return 6, because digit 1 occurred in the following n...
                            
                            
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其他好文   时间:
2015-07-19 11:54:24   
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102
                             
                    
                        
                            
                            
                                1org.springframework.beans.factory.BeanCreationException:Errorcreatingbeanwithname'org.springframework.validation.beanvalidation.LocalValidatorFactor....
                            
                            
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编程语言   时间:
2015-07-18 15:25:49   
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498
                             
                    
                        
                            
                            
                                ?Chances Are,Your Biggest Problem Isn’t TechnicalMark RammRigHT noW SoMEonE’S Running a failing project to build a payroll system. Probably more than one someone. 
Why? Was it because they chose Ruby o...
                            
                            
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其他好文   时间:
2015-07-17 16:22:47   
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132
                             
                    
                        
                            
                            
                                [!] CocoaPods did not set the base configuration of your project because your project already has a custom config set.
解决方案如下:...
                            
                            
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其他好文   时间:
2015-07-16 19:48:43   
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171
                             
                    
                        
                            
                            
                                Forbidden (403)CSRF verification failed. Request aborted.You are seeing this message because this site requires a CSRF cookie when submitting forms. T...
                            
                            
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其他好文   时间:
2015-07-15 14:49:12   
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169
                             
                    
                        
                            
                            
                                错误信息如下:SqlCommand.DeriveParameters failed because the SqlCommand.CommandText property value is an invalid multipart name...
                            
                            
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数据库   时间:
2015-07-14 22:42:10   
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941
                             
                    
                        
                            
                            
                                在通过概念数据模型生成为物理数据模型时出现错误“The generation has been cancelled because errors have been found by the check model.”。如下图所示:其实这是PowerDesigner设置的问题,点击PowerDesi...
                            
                            
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其他好文   时间:
2015-07-14 00:03:37   
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583
                             
                    
                        
                            
                            
                                转载请注明出处:http://www.cnblogs.com/fraud/ ——byfraudA -PalindromesDescriptionFriday is Polycarpus' favourite day of the week. Not because it is followed by...
                            
                            
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其他好文   时间:
2015-07-12 22:59:48   
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182
                             
                    
                        
                            
                            
                                场景一:因为数据量非常,大概有1.4T,需要在原先master1-slave1的情况下再创建一个库slave2,并且挂在slave1下,即master1-slave1-slave2的结构。为了方便,当时停掉从库salve1,show master status记录状态,开启log_slave_updates,并且关闭salve1,然后将这个从库的data文件夹直接copy到新的从库,结果在创建sl...
                            
                            
                                分类:
数据库   时间:
2015-07-12 09:41:59   
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178
                             
                    
                        
                            
                            
                                Kaggle Competition Past SolutionsWe learn more from code, and from great code. Not necessarily always the 1st ranking solution, because we also learn ...
                            
                            
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其他好文   时间:
2015-07-11 21:19:21   
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316