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Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
What is a Manifest in Scala and when do you need it?
...une into their signal, you can benefit in ways you cannot imagine, from deciding what to eat for lunch or which lotto number to play.
It isn't clear if a Manifest would benefit the errors you are seeing without knowing more detail.
One common use of Manifests is to have your code behave differentl...
Build the full path filename in Python
...ethod will corrupt base_filename if it ever contains a dot.
Footnote: Outside of Micorsoft operating systems, there is no such thing as a file name "extension". Its presence on Windows comes from MS-DOS and FAT, which borrowed it from CP/M, which has been dead for decades. That dot-plus-three-lette...
Which concurrent Queue implementation should I use in Java?
... a lot of producers producing at the exact same moment. But the consumer side is more complicated because poll won't go into a nice sleep state. You have to handle that yourself.
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Use CSS3 transitions with gradient backgrounds
...ckground-size:1px 200px;
border-radius: 10px;
border: 1px solid #839DB0;
cursor:pointer;
width: 150px;
height: 100px;
}
#DemoGradient:Hover{
background-position:100px;
}
<div id="DemoGradient"></div>
...
Why is rbindlist “better” than rbind?
...get in a muddle of rownames using do.call(rbind, list(...))
see
How to avoid renaming of rows when using rbind inside do.call?
Memory efficiency
In terms of memory rbindlist is implemented in C, so is memory efficient, it uses setattr to set attributes by reference
rbind.data.frame is implemen...
How to create a density plot in matplotlib?
...you generated with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussian_kde class. First, here is what you get without changing that function:
However, if I use the following...
What is the difference between Pan and Swipe in iOS?
...ber of fingers allowed (minimumNumberOfTouches) has moved enough to be considered a pan. It changes (changed) when a finger moves while at least the minimum number of fingers are pressed down. It ends (ended) when all fingers are lifted.
Clients of this class can, in their action methods, query the...
Adding up BigDecimals using Streams
...into a Stream<BigDecimal>
Call the reduce method.
3.1. We supply an identity value for addition, namely BigDecimal.ZERO.
3.2. We specify the BinaryOperator<BigDecimal>, which adds two BigDecimal's, via a method reference BigDecimal::add.
Updated answer, after edit
I see that you hav...
Execute and get the output of a shell command in node.js
...ere are some Sync methods natively available, even so IMHO it should be avoided
– Renato Gama
Oct 17 '12 at 18:55
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