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How to initialize an array in Java?
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@Hengameh: It's initialized to 0 by default. See stackoverflow.com/a/2154340/1000655
– Neal Gokli
Mar 6 '17 at 22:56
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A transport-level error has occurred when receiving results from the server [closed]
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The database connection is closed by the database server. The connection remains valid in the connection pool of your app; as a result, when you pickup the shared connection string and try to execute it's not able to reach the database. If you are developin...
Mod in Java produces negative numbers [duplicate]
...re information about it in this question.
You can find the positive value by doing this:
int i = (((-1 % 2) + 2) % 2)
or this:
int i = -1 % 2;
if (i<0) i += 2;
(obviously -1 or 2 can be whatever you want the numerator or denominator to be)
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ReactJS: Modeling Bi-Directional Infinite Scrolling
... //we haven't scrolled enough, so do nothing
}
this.updateTriggeredByScroll = true;
//set the averageElementHeight to the currentAverageElementHeight
// setAverageRowHeight(currentAverageElementHeight);
},
componentWillReceiveProps: function(nextProps) {
var rowStart = this....
Convert string to integer type in Go?
...| x != num || err != nil {
b.Error(err)
}
}
}
You can run it by saving as atoi_test.go and running go test -bench=. atoi_test.go.
goos: darwin
goarch: amd64
BenchmarkStrconvParseInt-8 100000000 17.1 ns/op
BenchmarkAtoi-8 100000000 19.4 ns/op
Be...
Correct way to remove plugin from Eclipse
... then click the "Uninstall..." button below.
If you installed the plug-in by dropping into the dropins folder, then just delete it from the dropins folder and restart Eclipse.
See the answer of @Cogentleman for more recent versions of Eclipse.
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Issue with virtualenv - cannot activate
... 3
.\venv\Scripts\activate
You can check it via spider tool in anaconda by typing import tensorflow as tf
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how does multiplication differ for NumPy Matrix vs Array classes?
...red to a "normal" numpy array. If all you're doing is linear algebra, then by all means, feel free to use the matrix class... Personally I find it more trouble than it's worth, though.
For arrays (prior to Python 3.5), use dot instead of matrixmultiply.
E.g.
import numpy as np
x = np.arange(9).re...
Where can I learn how to write C code to speed up slow R functions? [closed]
...ardly ever need it. And while this cost is undeniable, it is far eclipsed by the benefit of simpler code, less boilerplate, no PROTECT/UNPROTECT, no memory management etc pp. Doug Bates just yesterday stated that he finds C++ and Rcpp to be much more like writing R than writing C++. YMMV and all ...
extract part of a string using bash/cut/split
...mat as file-name matching, so * (any characters) is common, often followed by a particular symbol like / or .
Examples:
Given a variable like
MYVAR="users/joebloggs/domain.com"
Remove the path leaving file name (all characters up to a slash):
echo ${MYVAR##*/}
domain.com
Remove the file na...