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How can the Euclidean distance be calculated with NumPy?
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answered Sep 9 '09 at 20:12
u0b34a0f6aeu0b34a0f6ae
39.9k1212 gold badges8484 silver badges9797 bronze badges
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What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real W...
How to use chrome web inspector to view hover code
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answered Jul 21 '11 at 15:30
Travis NorthcuttTravis Northcutt
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compilation warning: no rule to process file for architecture i386
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30
Because this is the list of source files that will be compiled, and normally you have already included <file>.h inside your <file&g...
Get file size, image width and height before upload
... sources will be a URL representing the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif...
What is http multipart request?
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IggyIggy
7,20933 gold badges2828 silver badges2020 bronze badges
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What's the difference between HEAD^ and HEAD~ in Git?
...it rev-parse documentation defines it as
<rev>^, e.g. HEAD^, v1.5.1^0
A suffix ^ to a revision parameter means the first parent of that commit object. ^<n> means the nth parent ([e.g.] <rev>^ is equivalent to <rev>^1). As a special rule, <rev>^0 means the commit itself...
Adding a cross-reference to a subheading or anchor in another page
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209
The expression "reST/Sphinx" makes the scope of the question unclear. Is it about reStructuredT...
Android webview & localStorage
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530
The following was missing:
settings.setDomStorageEnabled(true);
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How to get the top 10 values in postgresql?
...or this you can use limit
select *
from scores
order by score desc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by score desc
fetch first 10 rows ...