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Check if an element is present in an array [duplicate]
The function I am using now to check this is the following:
9 Answers
9
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How can one pull the (private) data of one's own Android app?
... Great when you need 1 file. Been using this for database. Facing the case now where I need multiple files.
– Dave Thomas
Oct 12 '16 at 16:26
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Is there a performance difference between a for loop and a for-each loop?
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Yes, but that counter is now visible outside of the loop. Sure, it's a simple fix but so is for-each!
– Indolering
Nov 4 '12 at 5:19
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SQlite Getting nearest locations (with latitude and longitude)
...w PointF((float) lat, (float) lon);
return newPoint;
}
And now create your query:
PointF center = new PointF(x, y);
final double mult = 1; // mult = 1.1; is more reliable
PointF p1 = calculateDerivedPosition(center, mult * radius, 0);
PointF p2 = calculateDerivedPosition(center, mul...
node.js remove file
...s.exists. Because according to the latest node.js documentation, fs.exists now deprecated.
For example:-
fs.stat('./server/upload/my.csv', function (err, stats) {
console.log(stats);//here we got all information of file in stats variable
if (err) {
return console.error(err);
}
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How to remove all CSS classes using jQuery/JavaScript?
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Shouldn't the attr() version be prop() now?
– Mike
Mar 18 '16 at 23:20
7
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Setting log level of message at runtime in slf4j
...), I think the pragmatic solution is modify the unit test(s) to hard-wire knowledge of what logging system is behind the slf4j facade ... when running the unit tests.
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“No newline at end of file” compiler warning
... foo.cpp. What if the last line of foo.h was a comment without a new line? Now the first line of foo.cpp is commented out. These are just a couple of examples of the types of problems that can creep up.
Just wanted to point any interested parties to James' answer below. While the above answer is ...
Is returning by rvalue reference more efficient?
...e following
Beta_ab
Beta::toAB() const {
return Beta_ab(1, 1);
}
Now, it's properly moving a temporary Beta_ab object into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta...
Git cherry pick vs rebase
...nt" could contain several dozens of commits on top of its original base.)
Now git rebase is told to rebase "experiment" onto the current tip of "master", and git rebase goes like this:
Runs git merge-base to see what's the last commit shared by both "experiment" and "master" (what's the point of ...