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Checking whether a variable is an integer or not [duplicate]
...sinstance(3L, (long, int))
True
I've seen checks of this kind against an array/index type in the Python source, but I don't think that's visible outside of C.
Token SO reply: Are you sure you should be checking its type? Either don't pass a type you can't handle, or don't try to outsmart your pot...
Add x and y labels to a pandas plot
...as.DataFrame.hist:
plt = df.Column_A.hist(bins=10)
Note that you get an ARRAY of plots, rather than a plot. Thus to set the x label you will need to do something like this
plt[0][0].set_xlabel("column A")
share
...
Python JSON serialize a Decimal object
...', default=None, use_decimal=True,
namedtuple_as_object=True, tuple_as_array=True,
bigint_as_string=False, sort_keys=False, item_sort_key=None,
for_json=False, ignore_nan=False, **kw):
So:
>>> json.dumps(Decimal('3.9'))
'3.9'
Hopefully, this feature will be included in stan...
How to escape special characters in building a JSON string?
...ead, form the data structure you want to encode using whatever native map, array, string, number, boolean, and null types your language has, and then encode it to JSON with a JSON-encoding function. Such a function is probably built into whatever language you're using, like JavaScript's JSON.stringi...
remove_if equivalent for std::map
...
It works for array or vector, but will cause unexpected result in stl map.
– hunter_tech
May 2 at 13:51
add a co...
How to make asynchronous HTTP requests in PHP
...l, $params)
{
foreach ($params as $key => &$val) {
if (is_array($val)) $val = implode(',', $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
iss...
Get the index of the nth occurrence of a string?
... the String.Split() Method and check if the requested occurrence is in the array, if you don't need the index, but the value at the index
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improve this answ...
How do I check if a variable exists in a list in BASH
...or" >&2
exit 1
;;
esac
done
If the list is an array variable at runtime, one of the other answers is probably a better fit.
Check if a number has a decimal place/is a whole number
...ript. I suspect you'd have to get a library that uses bit manipulation and arrays to handle values larger than JavaScript's largest number. Of course, the other choice is not to do this in JavaScript but instead pass the value to a server side component where you use a language or library that can h...
Passing variables through handlebars partial
...ial) {
console.error('No partial name given.');
}
values = Array.prototype.slice.call(arguments, 1);
opts = values.pop();
while (!done) {
value = values.pop();
if (value) {
partial = partial.replace(/:[^\.]+/, value);
}
else {
...