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AWS S3 copy files and folders between two buckets
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@dukedave I don't know and have not tested again in quite a while as I resorted to doing the copying via the command line as that worked perfectly.
– RunLoop
Jun 13 '18 at 4:51
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Deleting Objects in JavaScript
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delete x.y; // deletes the property
alert(x.y); // shows 'undefined'
(Tested in Firefox.)
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How to get the mouse position without events (without moving the mouse)?
... is implementable without having to much CPU load (I think. I haven't been testing it). On dom ready build the <a> elements with javascript, take the mouse postion and then remove all <a> elements. On mousemouse you should have other function to take the mouse position. Anyway, this was ...
Finding quaternion representing the rotation from one vector to another
...bout there not being a unique rotation, but the above should give the "shortest arc," which is probably what you need.
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How can I apply a border only inside a table?
...}
table td, table th {
border: 1px solid black;
}
view example ...
tested in FF 3.6 and Chromium 5.0, IE lacks support; from W3C:
Borders with the 'border-style' of 'hidden' take precedence over all other conflicting borders. Any border with this value suppresses all borders at this loca...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...onses now.(Fixed: https://github.com/Vinayrraj/CustomVolley)
Update: in latest release of Google volley, the 2XX Status codes bug is fixed now!Thanks to Ficus Kirkpatrick!
it's less documented but many of the people are supporting volley in github, java like documentation can be found here.
On and...
How to delete duplicate rows in SQL Server?
...ave no references, like foreign keys, you can do this. I do it a lot when testing proofs of concept and the test data gets duplicated.
SELECT DISTINCT [col1],[col2],[col3],[col4],[col5],[col6],[col7]
INTO [newTable]
Go into the object explorer and delete the old table.
Rename the new table wit...
Nearest neighbors in high-dimensional data?
...use n=3. In any event, it's simple to run your kNN algorithm over a set of test instances (to calculate predicted values) for n=1, n=2, n=3, etc. and plot the error as a function of n. If you just want a plausible value for n to get started, again, just use n = 3.
The second component is how to wei...
What is pseudopolynomial time? How does it differ from polynomial time?
...ng about algorithms that operate on numbers. Let's consider the problem of testing whether a number is prime or not. Given a number n, you can test if n is prime using the following algorithm:
function isPrime(n):
for i from 2 to n - 1:
if (n mod i) = 0, return false
return true
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Is int[] a reference type or a value type?
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The simplest test for reference type vs. value type is that reference types can be null, but value types can not.
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