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What's quicker and better to determine if an array key exists in PHP?
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If you are interested in some tests I've done recently:
https://stackoverflow.com/a/21759158/520857
Summary:
| Method Name | Run time | Difference
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HashSet vs. List performance
...ved each cycle, you may well be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time...
How to check if a process is running via a batch script
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This solution works well - tested in Windows 8.1. I did notice that it is case-sensitive.
– oliver-clare
Dec 2 '14 at 11:18
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NodeJS: Saving a base64-encoded image to disk
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i just modified your code. fs.writeFile("test.jpg", imageBuffer.data, function(err ) { json_response['success'] = true; res.json(json_response); }); image is uploaded but result is not that liking to me.. error : 502 Bad Gat...
What is the best way to check for Internet connectivity using .NET?
What is the fastest and most efficient way to check for Internet connectivity in .NET?
27 Answers
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How do I expand a tuple into variadic template function's arguments?
...xes<Args...>::type(), forward<tuple<Args...>>(tup));
}
Test is shown bellow:
// --------------------- TEST ------------------
void one(int i, double d)
{
std::cout << "function one(" << i << ", " << d << ");\n";
}
int two(int i)
{
std::cout ...
Pickle incompatibility of numpy arrays between Python 2 and 3
...thon 3. I tried loading the MNIST dataset with
train_set, valid_set, test_set = pickle.load(file, encoding='iso-8859-1')
and it worked for Python 3.5.2
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Binding arrow keys in JS/jQuery
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@NathanArthur Here I found two good online tools to test the keyboard keycodes: keycode.info asquare.net/javascript/tests/KeyCode.html unixpapa.com/js/key.html
– Riccardo Volpe
Aug 2 '17 at 21:53
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Getting GDB to save a list of breakpoints
... it is necessary to restart GDB after building up a set of breakpoints for testing.
11 Answers
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Calculating Pearson correlation and significance in Python
...nr(x, y)
Calculates a Pearson correlation coefficient and the p-value for testing
non-correlation.
The Pearson correlation coefficient measures the linear relationship
between two datasets. Strictly speaking, Pearson's correlation requires
that each dataset be normally distributed. Like other ...