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How to remove a lua table entry by its key?
...nality includes renumbering the indices, which your override would not do. If you do want to add your function to the table function set, then I'd probably name it something like table.removekey() or some such.
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Email address validation using ASP.NET MVC data type attributes
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If you are using .NET Framework 4.5, the solution is to use EmailAddressAttribute which resides inside System.ComponentModel.DataAnnotations.
Your code should look similar to this:
[Display(Name = "Email address")]
[Require...
How can I change the default width of a Twitter Bootstrap modal box?
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If you want to make it responsive with just CSS, use this:
.modal.large {
width: 80%; /* respsonsive width */
margin-left:-40%; /* width/2) */
}
Note 1: I used a .large class, you could also do this on the normal ...
Javascript Shorthand for getElementById
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It makes no difference how many libraries use $ if you never load them.
– user113716
Jun 19 '11 at 17:04
7
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What does __FILE__ mean in Ruby?
...preted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
test.rb
/full/path/to/dir2/test.rb
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How do I make class methods / properties in Swift?
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In Swift 2.0+, you don't need the class keyword before a function or a computed type property.
– Govind Rai
Jun 24 '16 at 20:31
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How do I get the user agent with Flask?
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If you use
request.headers.get('User-Agent')
you may get:
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36
If you use
request.user_agent
you may get like ...
How do I replace a character at a particular index in JavaScript?
...and I need to replace the char at index 3. How can I replace a char by specifying a index?
24 Answers
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Insert Update stored proc on SQL Server
I've written a stored proc that will do an update if a record exists, otherwise it will do an insert. It looks something like this:
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Realistic usage of the C99 'restrict' keyword?
...dest[i] = src1[i]*src2[i];
}
}
The compiler needs to properly handle if dest, src1, and src2 overlap, meaning it must do one multiplication at a time, from start to the end. By having restrict, the compiler is free to optimize this code by using the vector instructions.
Wikipedia has an entr...