大约有 46,000 项符合查询结果(耗时:0.0411秒) [XML]
How to Rotate a UIImage 90 degrees?
					...portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a  CGAffineTransform . I want the pixels of the  UIImage  to actually shift position. I am using a block of code (shown below) originally intended to resize a  UIImage  to do this. I set a targe...				
				
				
							Rename Pandas DataFrame Index
					...csv file without header, with a DateTime index. I want to rename the index and column name, but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
                    
                    
                        
                            
                        ...				
				
				
							What are the minimum margins most printers can handle?
					...ng real estate is a must but at the same time ensuring users printers can handle the tight margins is a must. 
                    
                    
                        
                            
                                
                                        5 Answers
 ...				
				
				
							Float vs Decimal in ActiveRecord
					...ation defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal for...				
				
				
							Checking if a string can be converted to float in Python
					I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible.  Doing this for integers is pretty easy
                    
                    
                        
                            
                          ...				
				
				
							C/C++ check if one bit is set in, i.e. int variable
					... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
                    
                    
                        
                            
                                
                                        21 Answers
                       ...				
				
				
							Is there a way to crack the password on an Excel VBA Project?
					...pdate some Excel 2003 macros, but the VBA projects are password protected, and it seems there's a lack of documentation... no-one knows the passwords.
                    
                    
                        
                            
                                
            ...				
				
				
							How to extract img src, title and alt from html using php? [duplicate]
					...e a page where all images which reside on my website are listed with title and alternative representation.
                    
                    
                        
                            
                                
                                        10 Answers
    ...				
				
				
							Creating a comma separated list from IList or IEnumerable
					...ll string.Join. Of course, you don't have to use a helper method:
// C# 3 and .NET 3.5 way:
string joined = string.Join(",", strings.ToArray());
// C# 2 and .NET 2.0 way:
string joined = string.Join(",", new List<string>(strings).ToArray());
The latter is a bit of a mouthful though :)
This...				
				
				
							Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
					...rtunate, probably dying) tradition in the programming world, see the old standard (POSIX) localtime C function http://linux.die.net/man/3/localtime
    
    
        
            
            
                
    share
        |
                improve this answer
        |
    
    ...				
				
				
							