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Understanding recursion [closed]
...h, and two simple return statements that almost wrote themsleves, directly from our specification?
How to sum a node:
If a node is null
its sum is zero
otherwise
its sum is its value
plus the sum of its left child node
plus the sum of its right child node
That's the power of recu...
How can I force gradle to redownload dependencies?
How can I tell gradle to redownload dependencies from repositories?
23 Answers
23
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How does the Java 'for each' loop work?
... java.lang.Iterable -- it doesn't have
to be a list, or some collection from
java.util. Even your own types,
therefore, can be used with this
syntax.
share
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How do I add multiple arguments to my custom template filter in a django template?
...% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if args is None:
return False
arg_list = [arg.strip() for arg in args.split(',')]
return var in arg_list
register.filter(is...
How can I programmatically check whether a keyboard is present in iOS app?
...llers, all of which contain UITextFields. Using this method, i cannot tell from my parent view controller whether the keyboard is shown. The only reliable way is to use the notification method explained in the other answers
– TimWhiting
Jul 16 '15 at 20:43
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Git Push ERROR: Repository not found
...e useful Git error messages. Can't find the repository that I just cloned from, huh? Liar.
– Grant Birchmeier
Jul 13 '12 at 15:47
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What is the difference between currying and partial application?
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Partial application transforms a function from n-ary to (x - n)-ary, currying from n-ary to n * 1-ary. A partially applied function has a reduced scope (of application), that is, Add7 is less expressive than Add. A curried function on the other hand is as expressive ...
jQuery deferreds and promises - .then() vs .done()
...wait until that call has been fully completed (meaning reponse is returned from server) before I call another ajax call, do I use done or then? Why?
– CodingYoshi
Dec 19 '18 at 1:51
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iPhone viewWillAppear not firing
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Yes, afterwards. Created subview from XIB, viewWillAppear wasn't called. Call it by myself and everything works just fine.
– JOM
Feb 16 '10 at 7:03
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How to break out or exit a method in Java?
...f a loop or switch statement. Is there anything which can be used to break from a method?
5 Answers
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