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How to implement a property in an interface

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How can I drop all the tables in a PostgreSQL database?

...l have the option drop owned by current_user. More details in the manual: http://www.postgresql.org/docs/current/static/sql-drop-owned.html share | improve this answer | fol...
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Why is a div with “display: table-cell;” not affected by margin?

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psql: FATAL: database “” does not exist

I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran: ...
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What version of javac built my jar?

...d look at byte offsets 4 through 7. The version information is built in. http://en.wikipedia.org/wiki/Java_class_file Note: As mentioned in the comment below, those bytes tell you what version the class has been compiled FOR, not what version compiled it. ...
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JSON to pandas DataFrame

... path1 = '42.974049,-81.205203|42.974298,-81.195755' request=Request('http://maps.googleapis.com/maps/api/elevation/json?locations='+path1+'&sensor=false') response = urlopen(request) elevations = response.read() data = json.loads(elevations) df = pd.json_normalize(data['results']) This gi...
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How do you run a Python script as a service in Windows?

...mport socket class AppServerSvc (win32serviceutil.ServiceFramework): _svc_name_ = "TestService" _svc_display_name_ = "Test Service" def __init__(self,args): win32serviceutil.ServiceFramework.__init__(self,args) self.hWaitStop = win32event.CreateEvent(None,0,0,None) ...
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TimeStamp on file name using PowerShell

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Check if a string contains a number

... use str.isalpha() Ref: https://docs.python.org/2/library/stdtypes.html#str.isalpha Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. ...
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Copy constructor for a class with unique_ptr

How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11. 6 A...