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Are HLists nothing more than a convoluted way of writing tuples?
...provides a form of polymorphic function value which allows the compiler to select type-specific cases in exactly the way you're doubtful about. For instance,
// size is a function from values of arbitrary type to a 'size' which is
// defined via type specific cases
object size extends Poly1 {
imp...
How to destroy a DOM element with jQuery?
... sure if it's just me, but using .remove() doesn't seem to work if you are selecting by an id.
Ex: $("#my-element").remove();
I had to use the element's class instead, or nothing happened.
Ex: $(".my-element").remove();
sh...
R and version control for the solo data analyst
...sion control systems can do absolutely amazing things with compression and selective saving so this is pretty much a moot point.
3 What is a good strategy for getting started with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)?
Keep files t...
Whether a variable is undefined [duplicate]
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jQuery.val() and .text() will never return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other variables that don't come from something like jQuery.val(...
Number of visitors on a specific page
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Ah, then you'll want to select your page from the report and apply a secondary dimension, such as Source.
– Blexy
Oct 21 '13 at 21:21
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How to remove unused imports in Intellij IDEA on commit?
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In IntelliJ, select the project you want to optimize imports on, go to Code menu and choose Optimize imports and a small Optimize Imports popup window will appear. On the popup window you need to click on Run button. Or alternatively, on ...
Cannot find JavaScriptSerializer in .Net 4.0
... click References and do Add Reference, then from Assemblies->Framework select System.Web.Extensions.
Now you should be able to add the following to your class file:
using System.Web.Script.Serialization;
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CodeIgniter activerecord, retrieve last insert id?
...ed like this. may be wrong. but working well for me
$this->db->select_max('{primary key}');
$result= $this->db->get('{table}')->row_array();
echo $result['{primary key}'];
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How can I convert a character to a integer in Python, and viceversa?
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that is because the latter got selected as the answer lol
– Sean W
Aug 29 at 17:05
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css selector to match an element without attribute x [duplicate]
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:not selector
input:not([type]), input[type='text'], input[type='password'] {
/* style here */
}
Support: in Internet Explorer 9 and higher
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