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What does `:_*` (colon underscore star) do in Scala?

...tes: MetaData, scope: NamespaceBinding, child: Node*) which is called as new Elem(prefix, label, attributes, scope, child1, child2, ... childN) but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constru...
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type

...'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6. ...
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Run a Python script from another Python script, passing in arguments [duplicate]

... I believe it's generally preferable to use subprocess.Popen over os.system: docs.python.org/library/subprocess.html#replacing-os-system. – Katriel Sep 23 '10 at 20:15 ...
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What is a good regular expression to match a URL? [duplicate]

... I changed your expression a bit so it will work in all cases i need, including uri with http:// or www "/([^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/gi" – Ismael Jan 14 '15 at 11:08 ...
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find all unchecked checkbox in jquery

... As the error message states, jQuery does not include a :unchecked selector. Instead, you need to invert the :checked selector: $("input:checkbox:not(:checked)") share | improve this answe...
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Python 2.7: Print to File

... In Python 3.0+, print is a function, which you'd call with print(...). In earlier version, print is a statement, which you'd make with print .... To print to a file in Python earlier than 3.0, you'd do: print >> f, 'what ever %d', i The >> operator directs pr...
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How to print a percentage value in python?

... Is float(1) really more pythonic than 1.? – Tobias Kienzler Jul 17 '13 at 7:58 ...
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Using CSS how to change only the 2nd column of a table

... @Deeksy - That's not accurate, it doesn't care what the selector is. nth-child is applied after finding the element, and it's nth compared to whatever parent it has, no matter if it was in the selector or not. You can see this working here: jsfiddle.net/JQQPz ...
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Programmatically get the cache line size?

All platforms welcome, please specify the platform for your answer. 8 Answers 8 ...
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How to get the currently logged in user's user id in Django?

...rs = [{user.id: user.get_name()} for user in logged_in_users] # Query all logged in staff users based on id list all_staff_users = CustomUser.objects.filter(is_resident=False, is_active=True, is_superuser=False) logged_out_users = list() # for some reason exclude() would not work co...