return-value

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Python recursion not returning value

For some reason x in this code is not updating within the recursion. Shouldn\'t x update as I\'m calling b(c) within a(y)? When x updates in b(c) but doesn\'t return to[详细]

2023-03-06 08:47 分类：问答
`return None` in python not recommended. How to bypass?

I have a function which connects to a url by httplib using lxml. It checks by xpathfor a certain pattern and if the check is positive it returns a string. But if the check was negative it returns noth[详细]

2023-03-06 08:21 分类：问答
Alternatives to returning NULL

/** * Returns the foo with the matching id in this list * * @param id the id of the foo to return * @return the foo with the matching id in this list[详细]

2023-03-06 00:03 分类：问答
What should function list<Edge> return?

Now what I want to do is, for each edge leading from V1 to V2, I want to set the distance(D) of V2 from V1. And if D is less than the current distant to V2 then we want to set V2\'s current distant to[详细]

2023-03-05 07:56 分类：问答
RSpec Stubbing: Return the parameter

Though my question is pretty straightforward, I failed to find an answer around here: How 开发者_Go百科can I stub a method and return the parameter itself (for example on a method that does an array-[详细]

2023-03-04 12:21 分类：问答
Return value for function containing jQuery $.post() function

I understand that AJAX is asynchronous, and all that. But I have the following code: function doesUsernameExist(element)[详细]

2023-03-04 12:02 分类：问答
array_walk or array_map?

I\'m currently using array_map to apply callbacks to elements of an array. But I want to be able to pass an argument to the callback function like array_walk does.[详细]

2023-03-04 01:19 分类：问答
big memory problem in objective c

i\'ve a function like this: @property(nonatomic,retain) NSMutableArray *array; @synthesize array = _array;[详细]

2023-03-04 00:42 分类：问答
When should I use return false in jquery function?

I found lots of functions like this one: $(function() { $(\"body a\").click(function() { alert(this.innerHTML);[详细]

2023-03-03 22:46 分类：问答
Can Qt signals return a value?

Boost.Signals allows various strategies of using the return values of slots to form the return value of the signal. E.g. adding them, forming a vector out of them, or returning the last one.[详细]

2023-03-01 13:42 分类：问答