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What's the point of 'const' in the Haskell Prelude?
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It's useful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >&g...
How to pass an array within a query string?
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Here's what I figured out:
Submitting multi-value form fields, i.e. submitting arrays through GET/POST vars, can be done several different ways, as a standard is not necessarily spelled out.
Three possible ways to send multi-value fields or arrays would b...
Why does C# forbid generic attribute types?
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Well, I can't answer why it's not available, but I can confirm that it's not a CLI issue. The CLI spec doesn't mention it (as far as I can see) and if you use IL directly you can create a generic attribute. The part of the C# 3 spec that bans it - se...
Create folder with batch but only if it doesn't already exist
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You just use this: if not exist "C:\VTS\" mkdir C:\VTS it wll create a directory only if the folder does not exist.
Note that this existence test will return true only if VTS exists and is a directory. If it is not there, or is there as a file, the mkdir command will run, and s...
How to create a checkbox with a clickable label?
How can I create an HTML checkbox with a label that is clickable (this means that clicking on the label turns the checkbox on/off)?
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PHP code to convert a MySQL query to CSV [closed]
...}
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=your_desired_name.xls");
header("Pragma: no-cache");
header("Expires: 0");
print "$header\n$data";
share
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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Render Partial View Using jQuery in ASP.NET MVC
..., call a method (action) that will render the partial view for you and add it to the page using jQuery/AJAX. In the below, we have a button click handler that loads the url for the action from a data attribute on the button and fires off a GET request to replace the DIV contained in the partial vie...
Is it possible to use JavaScript to change the meta-tags of the page?
...f I put a div in the head and display:none, than use JavaScript to display it, will this work?
17 Answers
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How to copy from CSV file to PostgreSQL table with headers in CSV file?
... table. There are about 100 columns in this table, so I do not want to rewrite them if I don't have to.
5 Answers
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