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Understanding scala enumerations

...er Value representing the individual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here). Thus object WeekDay inherits that type member. The line type WeekDay = Value is just a type alias. It is useful, because after you import it elsewhere with import...
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Remove All Event Listeners of Specific Type

I want to remove all event listeners of a specific type that were added using addEventListener() . All the resources I'm seeing are saying you need to do this: ...
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How to send multiple data fields via Ajax? [closed]

...ing AJAX, but I can't find a way to send multiple data fields via my AJAX call. 12 Answers ...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

...torage space for number of characters you specify even if you don't use up all that space. varchar and nvarchar are variable-length which will only use up spaces for the characters you store. It will not reserve storage like char or nchar. nchar and nvarchar will take up twice as much storage spac...
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When do items in HTML5 local storage expire?

...may run into space considerations. It's good to program defensively. Generally however things remain "forever" based on some practical definition of that word. edit — obviously, your own application can actively remove stuff if it decides it's too old. That is, you can explicitly include some so...
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python location on mac osx

...e python on osx. I do not know if the previous owner of the laptop has installed macpython using macport. And I remembered that osx has an builtin version of python. I tried using type -a python and the result returned ...
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How do you round a floating point number in Perl?

.... For rounding to a certain number of digits, sprintf() or printf() is usually the easiest route. printf("%.3f", 3.1415926535); # prints 3.142 The POSIX module (part of the standard Perl distribution) implements ceil(), floor(), and a number of other mathematical and trigonometric func...
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Entity Framework - Code First - Can't Store List

... This is the only really correct answer IMHO. All the others require you to change your model, and that violates the principle that domain models should be persistence ignorant. (It is fine if you are using separate persistence and domain model...
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Java Reflection: How to get the name of a variable?

...they are in scope. Perhaps a byte-code engineering library like ASM would allow you to inspect this information at runtime. The only reasonable place I can think of for needing this information is in a development tool, and so byte-code engineering is likely to be useful for other purposes too. ...
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Which commit has this blob?

... scripts take the blob’s SHA1 as the first argument, and after it, optionally, any arguments that git log will understand. E.g. --all to search in all branches instead of just the current one, or -g to search in the reflog, or whatever else you fancy. Here it is as a shell script – short and sw...