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How do I get the name of a Ruby class?
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In my case when I use something like result.class.name I got something like Module1::class_name. But if we only want class_name, use
result.class.table_name.singularize
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HttpServletRequest - how to obtain the referring URL?
I need to log URLs that are linking to my site in a Java Servlet.
4 Answers
4
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Getting the name of a variable as a string
... can use inspect's current frame to get you all of those local variables.
My explanation might be a little bit too wordy (maybe I should've used a "foo" less words), but here's how it would look in code (Note that if there is more than one variable assigned to the same value, you will get both of t...
Bulk package updates using Conda
...version(py27_0)? does conda update all updates only compatible version for my py27 environment?
– Afloz
Jul 27 '14 at 23:39
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Do you use NULL or 0 (zero) for pointers in C++?
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void bar() {
foo (NULL); // Calls 'foo(int)'
}
However, at least in my opinion, the problem with the above is not that we're using NULL for the null pointer constant, it's that we have overloads of 'foo' which take very different kinds of arguments. The parameter must be an int too, as any o...
How to access array elements in a Django template?
I am getting an array arr passed to my Django template. I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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Simple (I think) Horizontal Line in WPF?
...lt;Rectangle HorizontalAlignment="Stretch" Fill="Blue" Height="4"/>
In my opinion it's somewhat easier to modify/shape than a separator.
Of course the Separator is a very easy and neat solution for simple separations :)
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What is the convention for word separator in Java package names?
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All three are not the conventions.
Use com.stackoverflow.mypackage.
The package names do not follow camel casing or underscores or hyphens package naming convention.
Also, Google Java Style Guide specifies exactly the same (i.e. com.stackoverflow.mypackage) convention:
5.2.1 ...
What is the best way to exit a function (which has no return value) in python before the function en
...ration in which we call a function without a return value. The way I think my program should behave is explained in this pseudocode:
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What is the Comonad typeclass in Haskell?
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This doesn't fully answer my question, but I wanted to put some relevant information in answer format:
"co" (loosely) means "flip the arrows". Here's a rough visual of that.
Consider the monadic operations:
return :: a ~> m a
flip (>>=) :...