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Nearest neighbors in high-dimensional data?
...back on how to find the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions:
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
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The type of test in auto test = +[]{}; is therefore deduced to void(*)(). Now the second line is easy: For the second lambda/closure object, an assignment to the function pointer triggers the same conversion as in the first line. Even though the second lambda has a different closure type, the resul...
How to handle Back button with in the dialog?
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I know I'm too late, but thought to point to something. This additionally will also get triggered when the user clicks somewhere outside the dialog. So if you need to only override the back press option then this is not what you...
event.returnValue is deprecated. Please use the standard event.preventDefault() instead
... more see this warning (and other IEish bugs)..
It's a question of time (now IE8 has 10% worldwide share, once it reaches 1% it is DEAD), meanwhile, just ignore the warning and stay zen :)
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Close file without quitting VIM application?
...artin, to completely delete the buffer, use :bw
– sebnow
Dec 2 '10 at 11:14
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How to add and get Header values in WebApi
...= null)
{
return NotFound();
}
return Ok(product);
}
Now we can send the request from page using JQuery:
$.ajax({
url: 'api/products/10',
type: 'GET',
headers: { 'username': 'test','password':'123' },
success: function (data) {
alert(data);
},
f...
Selecting only numeric columns from a data frame
...de
## nums <- sapply(x, is.numeric)
For a more idiomatic modern R I'd now recommend
x[ , purrr::map_lgl(x, is.numeric)]
Less codey, less reflecting R's particular quirks, and more straightforward, and robust to use on database-back-ended tibbles:
dplyr::select_if(x, is.numeric)
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Is volatile expensive?
...e of this and actually share the cached reference to the requesting CPU - now the request CPU has a copy of that memory in its CPU cache. (It never had to look in main memory for the reference)
There is quite a bit more of protocol involved but this gives an idea of what is going on. Also to answ...
Can you detect “dragging” in jQuery?
...n threshold on mouseup jsfiddle.net/W7tvD/1649 Works like a charm for me now, thanks!
– halfbit
Feb 26 '16 at 12:30
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What's the opposite of chr() in Ruby?
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Now that Ruby 1.9 has changed the meaning of 'A'[0], this is the more portable method.
– AShelly
Nov 22 '08 at 1:11
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