大约有 35,470 项符合查询结果(耗时:0.0433秒) [XML]
Create Pandas DataFrame from a string
					...that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3: 
    from StringIO import StringIO
else:
    from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
    1;4.4;99
    2;4.5;200
    3;4.7;65
    4;3.2;140
    """)
df = pd.read_csv(TEST...				
				
				
							HTML5 input type range show range value
					...ut').value=val; 
        }
<input type="range" name="rangeInput" min="0" max="100" onchange="updateTextInput(this.value);">
<input type="text" id="textInput" value="">
    
    
        
            
            
                
    share
        |
                i...				
				
				
							Python to print out status bar and percentage
					...t progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
    widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
    bar.update(i+1)
    sleep(0.1)
bar.finish()
To install it, you can use easy_install progressbar, or pip ...				
				
				
							jQuery select all except first
					...
    
    
$("div.test:not(:first)").hide();
or:
$("div.test:not(:eq(0))").hide();
or:
$("div.test").not(":eq(0)").hide();
or:
$("div.test:gt(0)").hide();
or: (as per @Jordan Lev's comment):
$("div.test").slice(1).hide();
and so on.
See:
http://api.jquery.com/first-selector/
http...				
				
				
							How can I convert the “arguments” object to an array in JavaScript?
					...                   
    
        
            
        
        730
        
    
            
                
            
            
    
            
                +100
            
    
    
        
        
        
    
    
ES6 usin...				
				
				
							Test if something is not undefined in JavaScript
					I'm checking  if(response[0].title !== undefined) , but I get the error:
                    
                    
                        
                            
                                
                                        11 Answers
                                    11...				
				
				
							Moving average or running mean
					... works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
    cumsum.append(cumsum[i-1] + x)
    if i>=N:
        moving_ave = (cumsum[i] - cumsum[i-N])/N
        #can do stuff with moving_ave here
        moving_aves.append(moving_ave)
...				
				
				
							Which version of MVC am I using?
					...ome reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
                    
                    
                        
                            
                                
                                        9 Answers
                                ...				
				
				
							Are “elseif” and “else if” completely synonymous?
					...
        |
            
            
    
        edited Sep 7 '10 at 20:40
    
    
        
    
    
        
        
            
        
    
            
            
                
    
        answered Sep 7 '10 at 20:25
    
    
        
    
    
  ...				
				
				
							