大约有 44,000 项符合查询结果(耗时:0.0701秒) [XML]
Can HTML be embedded inside PHP “if” statement?
					...tart of the line and semicolon must be placed right after it with no other chars (END_OF_TEXT;).
Heredoc with behaviour of string in single quotes (') is called nowdoc. No parsing is done inside of nowdoc. You use it in the same way as heredoc, just you put the opening delimiter in single quotes - ...				
				
				
							How to read contacts on Android 2.0
					...,
            ContactsContract.Contacts.HAS_PHONE_NUMBER,
    };
String SELECTION = ContactsContract.Contacts.HAS_PHONE_NUMBER + "='1'";
Cursor contacts = managedQuery(contactUri, PROJECTION, SELECTION, null, null );
The above chunk of code returns a Cursor that points to the resulting query t...				
				
				
							Error handling in C code
					...rs into something human readable. Can be simple. Just error-enum in, const char* out.
I know this idea makes multithreaded use a bit difficult, but it would be nice if application programmer can set an global error-callback. That way they will be able to put a breakpoint into the callback during bug...				
				
				
							Using DISTINCT and COUNT together in a MySQL Query
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use 
SELECT COUNT(DISTINCT productId) from  table_name WHERE keyword='$keyword'
    
    
        
            
            
                
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							Getting attribute using XPath
					...e), for
  the first element?
Use:
/*/book[1]/title/@lang
This means:
Select the lang attribute of the title element that is a child of the first book child of the top element of the XML document.
To get just the string value of this attribute use the standard XPath function string():
string(...				
				
				
							Finding the id of a parent div using Jquery
					...the result like this $(parent[0]).attr('id') after I did like a few parent selectors.
                
– Piotr Kula
                Nov 7 '14 at 22:02
            
        
    
            
	    
        
                    
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							Hibernate JPA Sequence (non-Id)
					... an entity which has defined generated properties, it immediately issues a select afterwards to retrieve the generated values."
For properties generated on insert only, your property mapping (.hbm.xml) would look like:
<property name="foo" generated="insert"/>
For properties generated on i...				
				
				
							How to request a random row in SQL?
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See this post: SQL to Select a random row from a database table. It goes through methods for doing this in MySQL, PostgreSQL, Microsoft SQL Server, IBM DB2 and Oracle (the following is copied from that link):
Select a random row with MySQL:
SELE...				
				
				
							Trigger change event using jquery
					is there anyway i could trigger a change event on select box on page load and select a particular option. 
                    
                    
                        
                            
                                
                                        8 Answers
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							Objective-C class -> string like: [NSArray className] -> @“NSArray”
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Consider this alternative:
const char *name = class_getName(cls);
It's much faster, since it doesn't have to alloc NSString object and convert ASCII to whatever NSString representation is. That's how NSStringFromClass() is implemented.
    
    
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