大约有 44,000 项符合查询结果(耗时:0.0541秒) [XML]
How can I use map and receive an index as well in Scala?
					...                     
    
        
            
        
        148
        
    
            
                
            
    
        
        
        
    
    
I believe you're looking for zipWithIndex?
scala> val ls = List("Mary", "had", "a", "littl...				
				
				
							Rounding BigDecimal to *always* have two decimal places
					...
                                
                                        1 Answer
                                    1
                                
                            
                            
                                
        
            Active
        
        ...				
				
				
							What is the difference between ui-bootstrap-tpls.min.js and ui-bootstrap.min.js?
					...;anonymous>)
    at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:6:453
    at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:54:14
    at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:64:438
    at A (...				
				
				
							jQuery find events handlers registered with an object
					...
                                
                                        16 Answers
                                    16
                                
                            
                            
                                
        
            Active
        
     ...				
				
				
							One-liner to check whether an iterator yields at least one element?
					...                     
    
        
            
        
        135
        
    
            
                
            
    
        
        
        
    
    
any won't go beyond the first element if it's True. In case the iterator yields something fals...				
				
				
							How to get duplicate items from a list using LINQ? [duplicate]
					...var duplicates = lst.GroupBy(s => s)
    .SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
    
  ...				
				
				
							List of encodings that Node.js supports
					I need to read a file which is encoded with ISO-8859-1 (also called latin1), something like this:
                    
                    
                        
                            
                                
                                        2 Answers
              ...				
				
				
							How to compare two colors for similarity/difference
					...
                                
                                        19 Answers
                                    19
                                
                            
                            
                                
        
            Active
        
     ...				
				
				
							Why is '+' not understood by Python sets?
					...                     
    
        
            
        
        102
        
    
            
                
            
    
        
        
        
    
    
Python sets don't have an implementation for the + operator.
You can use | for set union and ...				
				
				
							