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Double Iteration in List Comprehension
... surprised at this: x = 'hello'; [x for x in xrange(1,5)]; print x # x is now 4
– grinch
Nov 18 '14 at 17:11
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Can I have onScrollListener for a ScrollView?
...
Every instance of View calls getViewTreeObserver(). Now when holding an instance of ViewTreeObserver, you can add an OnScrollChangedListener() to it using the method addOnScrollChangedListener().
You can see more information about this class here.
It lets you be aware of eve...
Angular JS break ForEach
...y where I stuck...and this helped..thanks a ton...Anyways I would like to know the reason for making forEach loop unbreakable . If any
– Saurabh Tiwari
Oct 4 '15 at 7:10
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Pretty-print an entire Pandas Series / DataFrame
...n printed. If the above answer did not work for previous versions, it does now.
– H Froedge
Sep 28 '18 at 7:02
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AngularJS sorting by property
... that Angular.js does support sorting by a property in an array of objects now: ... | orderBy: 'name'.
– Wildhoney
Oct 2 '14 at 8:53
2
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127 Return code from $?
...her words, the system doesn't understand your command, because it doesn't know where to find the binary you're trying to call.
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How to print a percentage value in python?
...>>> 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>> print "{0:.0f}%".format(1/3 * 100)
33%
# Or even shorter using the format mini language:
>>> print "{:.0%}".format(1/3)
33%
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How can I update window.location.hash without jumping the document?
...ge load. As an added bonus, you can even smooth scroll to it since you are now in control of the hash value...
$(function(){
var h = window.location.hash.replace('panel-', '');
if (h) {
$('#slider').scrollTo(h, 800);
}
});
If you need this to work at all times (and not just on...
Is there any Rails function to check if a partial exists?
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I know this has been answered and is a million years old, but here's how i ended up fixing this for me...
Rails 4.2
First, i put this in my application_helper.rb
def render_if_exists(path_to_partial)
render path_to_part...
@UniqueConstraint annotation in Java
I have a Java bean. Now, I want to be sure that the field should be unique.
8 Answers
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