大约有 40,000 项符合查询结果（耗时：0.0536秒） [XML]
How to list out all the subviews in a uiviewcontroller in iOS?
I want to list out all the subviews in a UIViewController . I tried self.view.subviews , but not all of the subviews are listed out, for instance, the subviews in the UITableViewCell are not found. Any idea?
...
Understanding Python super() with __init__() methods [duplicate]
...can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is...
Function return value in PowerShell
...
PowerShell has really wacky return semantics - at least when viewed from a more traditional programming perspective. There are two main ideas to wrap your head around:
All output is captured, and returned
The return keyword really just indi...
SparseArray vs HashMap
...8,072 bytes
HashMap:
class HashMap<K, V> {
Entry<K, V>[] table;
Entry<K, V> forNull;
int size;
int modCount;
int threshold;
Set<K> keys
Set<Entry<K, V>> entries;
Collection<V> values;
}
Class = 12 + 8 * 4 = 48 bytes
Entry ...
Learning Ruby on Rails
.... Ubuntu is pretty poor for Rails from my experience, unless you are comfortable compiling Ruby from source. Vim is awesome. Textmate on Mac was nice, but once you go Vim you won't go back.
– Adam Hawes
Aug 25 '11 at 0:09
...
Javascript equivalent of Python's zip function
..., unlike Python's version where the argument list is variadic. If you want all of these "features", see below. It takes just about 2 extra lines of code.
The following will mimic Python's zip behavior on edge cases where the arrays are not of equal size, silently pretending the longer parts of arra...
Counting inversions in an array
...m to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
...
What is Bit Masking?
...
the b to indicate binary literal is not supported by all compilers, correct?
– Ungeheuer
May 8 '17 at 23:37
...
How do I copy items from list to list without foreach?
...
It works with all types, as long as lstStudentClass is an IEnumerable<StudentClass>, it will work. If you experience otherwise you need to provide more information.
– Lasse V. Karlsen
Apr 3 '15 ...