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Can I use git diff on untracked files?
					...es by simply supplying the path to both files.
git diff --no-index tracked_file untracked_file
    
    
        
            
            
                
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							How to post data in PHP using file_get_contents?
					I'm using PHP's function  file_get_contents()  to fetch contents of a URL and then I process headers through the variable  $http_response_header .
                    
                    
                        
                            
                                
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							OnCreateOptionsMenu() not called in Fragment
					...cannot be cast to android.widget.SearchView
                
– Android_programmer_office
                Nov 26 '13 at 20:26
                        
                            
                        
            
        
    
    
        
            
            
        
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							Why does changing the returned variable in a finally block not change the return value?
					...iable
5:  getstatic   #8; //loading "dev" from a static variable
8:  astore_0        //storing "dev" to a temp variable
9:  ldc #9;         //loading String "override variable s"
11: putstatic   #8; //setting a static variable
14: aload_0         //loading a temp avariable
15: areturn         //retu...				
				
				
							How do I time a method's execution in Java?
					...one place.
Date
Date startDate = Calendar.getInstance().getTime();
long d_StartTime = new Date().getTime();
Thread.sleep(1000 * 4);
Date endDate = Calendar.getInstance().getTime();
long d_endTime = new Date().getTime();
System.out.format("StartDate : %s, EndDate : %s \n", startDate, endDate);
Syst...				
				
				
							Simple Digit Recognition OCR in OpenCV-Python
					...e KNearest for simple OCR purposes).
1) My first question was about letter_recognition.data file that comes with OpenCV samples. I wanted to know what is inside that file.
It contains a letter, along with 16 features of that letter.
And this SOF helped me to find it. These 16 features are explain...				
				
				
							How do I convert a String to an InputStream in Java?
					...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8));
Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
    
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							How to display all methods of an object?
					...28459045
LN2: 0.6931471805599453
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tan: function tan() { [native code] }
__proto__: Object
    
    
        
            
            
                
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							Writing Unicode text to a text file?
					...()) on Python 3:
import io
with io.open(filename, 'w', encoding=character_encoding) as file:
    file.write(unicode_text)
It might be more convenient if you need to write the text incrementally (you don't need to call unicode_text.encode(character_encoding) multiple times). Unlike codecs module,...				
				
				
							Clone Object without reference javascript [duplicate]
					...ou can use lodash's clone method
var obj = {a: 25, b: 50, c: 75};
var A = _.clone(obj);
Or lodash's cloneDeep method if your object has multiple object levels
var obj = {a: 25, b: {a: 1, b: 2}, c: 75};
var A = _.cloneDeep(obj);
Or lodash's merge method if you mean to extend the source object
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