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Advantages of stateless programming?
I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
rails simple_form - hidden field - create?
How can you have a hidden field with simple form?
4 Answers
4
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How to get the list of files in a directory in a shell script?
I'm trying to get the contents of a directory using shell script.
10 Answers
10
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Append to a file in Go
So I can read from a local file like so:
5 Answers
5
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What does f+++++++++ mean in rsync logs?
I'm using rsync to make a backup of my server files, and I have two questions:
4 Answers
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Gradients in Internet Explorer 9
Does anyone know the vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters?
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How do I get the result of a command in a variable in windows?
I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome.
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Default template arguments for function templates
Why are default template arguments only allowed on class templates? Why can't we define a default type in a member function template? For example:
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How do I create multiple submit buttons for the same form in Rails?
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You can create multiple submit buttons and provide a different value to each:
<% form_for(something) do |f| %>
..
<%= f.submit 'A' %>
<%= f.submit 'B' %>
..
<% end %>
This will output:
<input type="submit" value="A" id=".." name="com...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
What's the difference between __PRETTY_FUNCTION__ , __FUNCTION__ , __func__ , and where are they documented? How do I decide which one to use?
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