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SQL-Server: Error - Exclusive access could not be obtained because the database is in use

...O RESTORE DATABASE AdventureWorksDW FROM ... ... GO Now, one additional item to be aware. After you set the db into single user mode, someone else may attempt to connect to the db. If they succeed, you won't be able to proceed with your restore. It's a race! My suggestion is to run all three ...
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How do I find the stack trace in Visual Studio?

...): I was unable to view the stack trace window and did find an option/menu item to view it. On investigating further, it seems this feature is not available on Windows 10. For further information please refer: https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/viewing-the-call-stack...
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Check if SQL Connection is Open or Closed

... I wonder why this is enum with flags. Since the value of Close item of this enum is zero then State.HasFlag(ConnectionState.Close) will return true for any value. For me it means that i should check as "!= Close" – Ivan Feb 18 '16 at 13:29 ...
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python

...code('ascii')) % 2 In [19]: %timeit most_readable('true') 10000000 loops, best of 3: 112 ns per loop In [20]: %timeit most_readable('false') 10000000 loops, best of 3: 109 ns per loop In [21]: %timeit int_cast('true') 1000000 loops, best of 3: 259 ns per loop In [22]: %timeit int_cast('false') 1...
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“Go To Definition” in Visual Studio only brings up the Metadata

...isual Studio In the explorer menu, select View and ensure that the "Hidden items" checkbox is marked Navigate to the subfolder .vs\[your solution name]\v15 Delete the .suo file Restart VS and build your solution That fixed it for me: F12 opened the actual source file, not the "from metadata" versi...
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How to get instance variables in Python?

...ariables", not really class variables. Look in hi_obj.__class__.__dict__.items() for the class variables, along with other other class members like member functions and the containing module. class Hi( object ): class_var = ( 23, 'skidoo' ) # class variable def __init__( self ): s...
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Case-insensitive search in Rails model

My product model contains some items 19 Answers 19 ...
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Add a property to a JavaScript object using a variable as the name?

I'm pulling items out of the DOM with jQuery and want to set a property on an object using the id of the DOM element. 13...
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What is the colon operator in Ruby?

...ymbol. The benefit to symbols is that they are unique. When you call on an item in the hash, you do hash[:foo]. Symbols require less memory than strings, which also makes them useful if you want to make your program a little faster. ...
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Convert Json Array to normal Java list

...ArrayAdapter<String>(ListViewData.this, android.R.layout.simple_list_item_1, android.R.id.text1, list); listView.setAdapter(adapter); listView.setOnItemClickListener(ne