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PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_du...
How do I use Django templates without the rest of Django?
...without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
13 Answer...
Recursive file search using PowerShell
...above mean is... ls -r -ea silentlycontinue -fo -inc "filename.txt" | % { $_.fullname }
– Andrew
Nov 4 '17 at 7:34
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PHP Function Comments
...peat How many times something interesting should happen
*
* @throws Some_Exception_Class If something interesting cannot happen
* @author Monkey Coder <mcoder@facebook.com>
* @return Status
*/
Classes:
/**
* Short description for class
*
* Long description for class (if any)...
*...
How to efficiently compare two unordered lists (not sets) in Python?
... objects are not unhashable per se. You just have to implements a sensible __hash__, but that might be impossible for collections.
– Jochen Ritzel
Oct 19 '11 at 22:23
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Check if a number is int or float
...>> if isinstance(x, int):
print 'x is a int!'
x is a int!
_EDIT:_
As pointed out, in case of long integers, the above won't work. So you need to do:
>>> x = 12L
>>> import numbers
>>> isinstance(x, numbers.Integral)
True
>>> isinstance(x, int)
F...
How to parse float with two decimal places in javascript?
I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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Guava equivalent for IOUtils.toString(InputStream)
...se
CharStreams.toString(new InputStreamReader(supplier.get(), Charsets.UTF_8))
This code is problematic because the overload CharStreams.toString(Readable) states:
Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(...
Cleanest way to get last item from Python iterator
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item = defaultvalue
for item in my_iter:
pass
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Getting the current page
...ewController: UIScrollViewDelegate {
func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
let width = scrollView.frame.width
let page = Int(round(scrollView.contentOffset.x/width))
print("CurrentPage:\(page)")
}
}
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