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How to redirect to previous page in Ruby On Rails?
I have a page that lists all of the projects that has sortable headers and pagination.
7 Answers
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Unix shell script to truncate a large file
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: > filename
: is a no-op in bash (POSIX-compliant), so this essentially just opens the file for writing (which of course truncates the file) and then immediately closes it.
EDIT: as shellter commented, you don't actually need a command to go along with the redirection:
$ echo foo > foo....
HashSet vs. List performance
... lot of people are saying that once you get to the size where speed is actually a concern that HashSet<T> will always beat List<T>, but that depends on what you are doing.
Let's say you have a List<T> that will only ever have on average 5 items in it. Over a large number of cycle...
Why is this F# code so slow?
...es generic comparison (I thought this uses just IComparable, but it is actually more complicated - it would use structural comparison for F# types and it's fairly complex logic).
> let min3(a, b, c) = min a (min b c);;
val min3 : 'a * 'a * 'a -> 'a when 'a : comparison
In the C# version, ...
Regex for splitting a string using space when not surrounded by single or double quotes
...ing to put together an expression that will split the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the space before the quote.
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How to disable/enable select field using jQuery?
...).prop('disabled', true);. As jQuery's documentation says: Properties generally affect the dynamic state of a DOM element without changing the serialized HTML attribute. Examples include the value property of input elements, the disabled property of inputs and buttons, or the checked property of a c...
What's the strangest corner case you've seen in C# or .NET? [closed]
...es and brain teasers and would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible:
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Why do we have map, fmap and liftM?
Why do we have three different functions that do essentially the same thing?
1 Answer
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iOS forces rounded corners and glare on inputs
...border-radius:0;
border-radius:0;
}
This can be extended to apply to all webkit styled form components such as input, select, button or textarea.
In reference to the original question, you wouldn't use the value 'none' when clearing any unit based css element.
Also be aware that this hides che...
Comet and jQuery [closed]
...p of jQuery? If not, are there any good implementations of this pattern at all? And regardless of the answer to those questions, is there any documentation on this pattern from an implementation stand-point?
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