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Does VBA have Dictionary Structure?

... Range("A1").Value = c.Item("Key2") The Collection object performs key-based lookups using a hash so it's quick. You can use a Contains() function to check whether a particular collection contains a key: Public Function Contains(col As Collection, key As Variant) As Boolean On Error Resu...
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Should switch statements always contain a default clause?

... case 2: //something else default: // unknown type! based on the language, // there should probably be some error-handling // here, maybe an exception } 2. To handle 'default' actions, where the cases are for special behavior. You see this a LOT in menu-driv...
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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ValueError: invalid literal for int() with base 10: ''

...gt;", line 1, in <module> ValueError: invalid literal for int() with base 10: '55063.000000' Got me here... >>> int(float('55063.000000')) 55063.0 Has to be used! share | improve...
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Ruby optional parameters

... attributes to methods. The closest you can get is to pass nil: ldap_get(base_dn, filter, nil, X) However, this will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE. What you can do is set the default value within your method: def ldap_get(base_dn, filter, scope = nil, attrs = nil) scope ...
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?

...nd stored that in the DB. I then prevented storing the TimeSpan public Int64 ValidityPeriodTicks { get; set; } [NotMapped] public TimeSpan ValidityPeriod { get { return TimeSpan.FromTicks(ValidityPeriodTicks); } set { ValidityPeriodTicks = value.Ticks; } } ...
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Getting the location from an IP address [duplicate]

...lient-side scripting, PHP for server-side scripting, and MySQL for the database. 23 Answers ...
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Django class-based view: How do I pass additional parameters to the as_view method?

I have a custom class-based view 7 Answers 7 ...
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Can enums be subclassed to add new elements?

... The reason I want to extend is because I'd like to have a base class called e.g. IntEnum, that looks like this: stackoverflow.com/questions/1681976/enum-with-int-value-in-java/…. Then all my enums could extend it...in this case just benefitting from inheritance and thus I wouldn'...
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Design Patterns: Factory vs Factory method vs Abstract Factory

...family of objects that need to be of "the same kind", and have some common base classes. Here's a vaguely fruit-related example. The use case here is that we want to make sure that we don't accidentally use an OrangePicker on an Apple. As long at we get our Fruit and Picker from the same factory, th...