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read.csv warning 'EOF within quoted string' prevents complete reading of file
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How to extract one column of a csv file
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How does this print “hello world”?
...th 7 bits.
We converted each UTF-8 (16 bit) character to 7 bits, and gain more than 56% compression ratio. So we could send texts with twice length in the same number of SMSs. (It is somehow the same thing happened here).
s...
Capturing “Delete” Keypress with jQuery
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event.key === "Delete"
More recent and much cleaner: use event.key. No more arbitrary number codes!
NOTE: The old properties (.keyCode and .which) are Deprecated.
document.addEventListener('keydown', function(event) {
const key = event.key; /...
Purpose of Python's __repr__
...ssible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users.
A simple example:
>>> class Point:
... def __init__(self, x, y):
... self.x, self.y = x, y
... def __repr__(self):
... return 'Point(x=%s, y=%s)' % (s...
JavaScript: How to find out if the user browser is Chrome?
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How can I change IIS Express port for a site
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Is gcc std::unordered_map implementation slow? If so - why?
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Python argparse: Make at least one argument required
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I know this is old as dirt, but the way to require one option but forbid more than one (XOR) is like this:
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('-process', action='store_true')
group.add_argument('-upload', action='store...
Repeatedly run a shell command until it fails?
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