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How to use the IEqualityComparer

...ce simple bool Equals(T other) function and there's no messing around with casting or creating a separate class. public class Person : IEquatable<Person> { public Person(string name, string hometown) { this.Name = name; this.Hometown = hometown; } public strin...
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le

... Can I just add that this method was so much faster than using cast for me. – Matt Weller Dec 8 '13 at 15:03 ...
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Increment a value in Postgres

...aracter varying + integer LINE 2: SET total = total + 1 Solved by casting the value as integer like this SET total = total::int + 1 – Stew-au Oct 31 '12 at 3:05 ...
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Add and Remove Views in Android Dynamically?

...ViewParents in general can't remove views, but ViewGroups can. You need to cast your parent to a ViewGroup (if it is a ViewGroup) to accomplish what you want. For example: View namebar = View.findViewById(R.id.namebar); ((ViewGroup) namebar.getParent()).removeView(namebar); Note that all Layout...
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Why should I use var instead of a type? [duplicate]

...ype of the variable crystal clear on the RHS of the assignment (e.g. via a cast or a constructor call), where's the benefit of also having it on the LHS? It's a personal preference though. If you don't want R# suggesting the use of var, just change the options. One thing about ReSharper: it's very ...
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Why implement interface explicitly?

...rties on an object returned by a FordExplorerFactory without having to typecast, while code which merely knew that it had some type of IAutomobileFactory would simply deal with its return as an Automobile. share | ...
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How to define custom configuration variables in rails

...swer: For a quick solution, watching the "YAML Configuration File" screen cast by Ryan Bates should be very helpful. In summary: # config/initializers/load_config.rb APP_CONFIG = YAML.load_file("#{Rails.root}/config/config.yml")[Rails.env] # application.rb if APP_CONFIG['perform_authentication']...
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C# Test if user has write access to a folder

... var filesystemAccessRule = (FileSystemAccessRule)rule; //Cast to a FileSystemAccessRule to check for access rights if ((filesystemAccessRule.FileSystemRights & FileSystemRights.WriteData)>0 && filesystemAccessRule.AccessControlType != AccessControlType.Deny) ...
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How can I capture the result of var_dump to a string?

... sometimes it doesn't provide enough information. For instance, since it casts to string where it can, both false and null show as an empty string. In cases where I care about the difference between these, I would begrudgingly resort to var_dump or var_export. – JMTyler ...
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How to calculate a logistic sigmoid function in Python?

...erals you used in your function (1) are parsed as integers, and have to be cast at runtime to floats. You would get better performance using floating point literals (1.0). – krs013 Apr 3 '17 at 22:54 ...