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For files in directory, only echo filename (no path)
					...ered Jan 25 '12 at 22:21
    
    
        
    
    
        Oliver CharlesworthOliver Charlesworth
        
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							PostgreSQL array_agg order
					...alues from a sorted subquery will usually work, however. For example:
  
  SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
So in your case you would write:
SELECT
array_to_string(array_agg(animal_name),';') animal_names,
array_to_string(array_agg(animal_type),';') animal_types
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							Oracle find a constraint
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select * from all_constraints
where owner = '<NAME>'
and constraint_name = 'SYS_C00381400'
/
Like all data dictionary views, this a USER_CONSTRAINTS view if you just want to check your current schema and a DBA_CONSTRA...				
				
				
							How can I add comments in MySQL?
					...es of commenting are supported
Hash base single line commenting using #
Select * from users ; # this will list users
Double Dash commenting using -- 
Select * from users ; -- this will list users
Note : Its important to have single white space just after --
3) Multi line commenting using ...				
				
				
							What does android:layout_weight mean?
					...            
                A much better explanation than the currently selected answer.
                
– Shade
                Mar 17 '12 at 15:45
            
        
    
    
        
            
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							postgresql - replace all instances of a string within text field
					...g regex replacment. Let's see how easy it is to replace a cat with a dog.
SELECT regexp_replace('Cat bobcat cat cats catfish', 'cat', 'dog');
-->                    Cat bobdog cat cats catfish
SELECT regexp_replace('Cat bobcat cat cats catfish', 'cat', 'dog', 'i');
-->                    dog...				
				
				
							How to change the name of an iOS app?
					...matically change all project-name-related entries and will allow you to de-select some of them, if you want.
Press 'RENAME' and Xcode will do the rest. In the meanwhile Xcode may ask you about the option of making a snapshot of the project (it is very recommendable to do so).
In addition to renami...				
				
				
							Android: create a popup that has multiple selection options
					...          Hello, can you also show how I can set actions for specific item selections? Example: I want to let the user change the app language by clicking one of those items (probably using if statement).
                
– Arda Çebi
                Feb 7 '18 at 20:11
            
        
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							JUnit 4 Test Suites
					...lipse:
In the 'Package Explorer' view of the eclipse 'Java' perspective,
select your unit test(s) in their package, inside the eclipse java
project. 
Right-click on any one of the selected tests. 
In the pop-up menu, select New, Other…
Open the ‘Java’ folder, then open the ‘JUnit’ folder...				
				
				
							Selecting an element in iFrame jQuery
					...rame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way:
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