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Get value from SimpleXMLElement Object
I have something like this:
12 Answers
12
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Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
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No. You have to make your own like this:
boolean tryParseInt(String value) {
try {
Integer.parseInt(value);
return true;
} catch (NumberFormatException e) {
return false;
}
}
...an...
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
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Print function log /stack trace for entire program using firebug
...irebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or some...
A variable modified inside a while loop is not remembered
... the variable $foo to the value 1 inside the first if statement, it works in the sense that its value is remembered after the if statement. However, when I set the same variable to the value 2 inside an if which is inside a while statement, it's forgotten after the while loop. It's behavin...
Flags to enable thorough and verbose g++ warnings
...are present:
I include -Wno-unused because I often have variables that I know I
will use later, but do not yet have the functionality written for.
Removing warnings about that allows me to write in my preferred style
of occasionally deferring the implementation of things. It is useful
to turn that...
Random float number generation
...rogram's run -- not once every time you call rand(). This is often done like this:
srand (static_cast <unsigned> (time(0)));
In order to call rand or srand you must #include <cstdlib>.
In order to call time, you must #include <ctime>.
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Fastest Way to Find Distance Between Two Lat/Long Points
... )
This will select all points approximately within the box (@lat +/- 10 km, @lon +/- 10km).
This actually is not a box, but a spherical rectangle: latitude and longitude bound segment of the sphere. This may differ from a plain rectangle on the Franz Joseph Land, but quite close to it on most in...
What's is the difference between train, validation and test set, in neural networks?
... for each training data instance
propagate error through the network
adjust the weights
calculate the accuracy over training data
for each validation data instance
calculate the accuracy over the validation data
if the threshold validation accuracy is met
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Which is better: … or …
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This document thus defines text/javascript and text/ecmascript but marks them as "obsolete". Use of experimental and unregistered media types, as listed in part above, is discouraged. The media types,
* application/javascript
* application/ecmascript
which are also defined in this ...