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LINQ Select Distinct with Anonymous Types

... Have a read through K. Scott Allen's excellent post here: And Equality for All ... Anonymous Types The short answer (and I quote): Turns out the C# compiler overrides Equals and GetHashCode for anonymous types. The implementation of the two overridden methods uses all the...
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Weighted random numbers

I'm trying to implement a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out. ...
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Should I use char** argv or char* argv[]?

I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common? ...
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Printing Lists as Tabular Data

I am quite new to Python and I am now struggling with formatting my data nicely for printed output. 13 Answers ...
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Using OpenSSL what does “unable to write 'random state'” mean?

...rating a self-signed SSL certificate to protect my server's admin section, and I keep getting this message from OpenSSL: 8 ...
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How do I convert an object to an array?

...your properties are declared private you should call this inside the class and return its results. Be careful, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects. in your case you have to do something like; <?php print_r(get_objec...
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Current location permission dialog disappears too quickly

My app takes the user's location, gets the co-ordinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that ...
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How do I drop a MongoDB database from the command line?

...--eval "db.dropDatabase()" More info on scripting the shell from the command line here: https://docs.mongodb.com/manual/tutorial/write-scripts-for-the-mongo-shell/#scripting share | improve this a...
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How do I concatenate strings and variables in PowerShell?

...g2 + $string3). With these methods, you can have whitespace (spaces, tabs, and newlines) between the strings, but be sure that (1) each string has a comma/space after it on the same line, (2) you use the back-tick character ` at the end of any empty lines between your code, and (3) if you use -join,...
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Class with single method — best approach?

...ation of helper methods that would otherwise lie around causing redundancy and maintenance hell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service oriented architecture - lots of stateless services that just...