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How does Haskell printf work?
...y is the PrintfType type class. It does not expose any methods, but the important part is in the types anyway.
class PrintfType r
printf :: PrintfType r => String -> r
So printf has an overloaded return type. In the trivial case, we have no extra arguments, so we need to be able to instanti...
Why is the default value of the string type null instead of an empty string?
It's quite annoying to test all my strings for null before I can safely apply methods like ToUpper() , StartWith() etc...
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Is a successor for TeX/LaTeX in sight? [closed]
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There is a LaTeX3 project that has been going on for basically forever. In that sense, it is a successor to the current LaTeX2e.
You forget/ignore the primary goal for TeX when it was created -- "TeX is a new typesetting system intended for the creation of beautiful books"....
Change the name of the :id parameter in Routing resources for Rails
...he :param option was added, which seems to do exactly what you're looking for. You can take a look at the Rails 3 code compared to the Rails 4 code.
Details
You can easily implement this in your routes.rb file:
# config/routes.rb
resources :posts, param: :slug
# app/controllers/posts_controller...
When should I use std::thread::detach?
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In the destructor of std::thread, std::terminate is called if:
the thread was not joined (with t.join())
and was not detached either (with t.detach())
Thus, you should always either join or detach a thread before the flows of execution ...
How can I add an ampersand for a value in a ASP.net/C# app config file value
I've got a C# program with values in a config file. What I want is to store ampersands for an url value like...
4 Answers
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Load Testing with AB … fake failed requests (length)
To do some load testing, for my own curiosity, on my server I ran:
3 Answers
3
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Rails - controller action name to string
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Or 'controller.action_name' in Rails 3.0. This is the best way to access the action name in the view.
– emk
Feb 1 '11 at 19:59
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Where are the recorded macros stored in Notepad++?
I have recorded a macro that I want to share with my work colleague.
8 Answers
8
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MySQL error 2006: mysql server has gone away
I'm running a server at my office to process some files and report the results to a remote MySQL server.
28 Answers
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