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How does deriving work in Haskell?
...Generic Classes, but it was rarely used, as it was somewhat weak.
That has now been taken out, and work is ongoing to integrate a new generic deriving mechanism as described in this paper: http://www.dreixel.net/research/pdf/gdmh.pdf
For more on this, see:
GHC wiki: http://hackage.haskell.org/tra...
What is the main difference between PATCH and PUT request?
I am using a PUT request in my Rails application. Now, a new HTTP verb, PATCH has been implemented by browsers. So, I want to know what the main difference between PATCH and PUT requests are, and when we should use one or the other.
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Swift - How to convert String to Double
...matted numbers ($1,000.00) or formatted numbers (1,000). You don't always know how the user will enter numbers, so being able to support both is ideal with a group of if/let statements.
– Paul Solt
Oct 30 '18 at 12:37
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“CAUTION: provisional headers are shown” in Chrome debugger
...regular Chrome (v74), however the latest version of Chrome Canary (v76) is now missing the "#network-service" flag... Can't get this to work in Canary without it.
– rich
May 28 '19 at 22:21
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How does the String class override the + operator?
...erence value is then converted to type String by string
conversion.
Now only reference values need to be considered:
If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l).
Otherwise, the conversion is performed as if by an invocation of...
Use Font Awesome Icons in CSS
...ule for FontAwesome declared already in your CSS). Then it is a matter of knowing which CSS content value corresponds to which icon.
I have listed them all here: http://astronautweb.co/snippet/font-awesome/
share
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Imitate Facebook hide/show expanding/contracting Navigation Bar
...ed that issue, just didn't update the pod yet >_< will do that right now! .. Pod updated!
– Mazyod
Jul 6 '14 at 20:32
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How do you organize your version control repository?
First, I know about this: How would you organize a Subversion repository for in house software projects?
Next, the actual question:
My team is restructuring our repository and I'm looking for hints on how to organize it. (SVN in this case).
Here's what we came up with. We have one repository, mult...
How best to determine if an argument is not sent to the JavaScript function
I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?
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C# listView, how do I add items to columns 2, 3 and 4 etc?
...FullRowSelect = true"... otherwise only column 1 is clickable. I wish I'd known this earlier! it would have saved me a ton of work.
– John Henckel
Jun 1 '15 at 15:18
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