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Removing an element from an Array (Java) [duplicate]
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The best choice would be to use a collection, but if that is out for some reason, use arraycopy. You can use it to copy from and to the same array at a slightly different offset.
For example:
public void removeElement(Object[] ...
Initialize class fields in constructor or at declaration?
I've been programming in C# and Java recently and I am curious where the best place is to initialize my class fields.
15 An...
Why do python lists have pop() but not push()
...ere he posts a reference to Icon's list:
I stil think that all this is best
left out of the list object
implementation -- if you need a stack,
or a queue, with particular
semantics, write a little class that
uses a lists
In other words, for stacks implemented directly as Python lis...
SQLite add Primary Key
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@deFreitas Please bestow your wisdom upon us. Clearly you want people to know you disapprove of the answer or something that one of the commenters said, however your comment contains no information at all, beside an apparent intent to convey s...
Difference between pre-increment and post-increment in a loop?
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It's not the best answer because if the for loop is incrementing a complex object (something other than an int!) the implementation of ++x may be faster than x++... (see herbsutter.com/2013/05/13/gotw-2-solution-temporary-objects)
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Tetris-ing an array
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This is by far the best solution posted, but it needed improvement. It didn't take the previous longest common path into account (possibly iterating over more of the string than necessary), and didn't take paths into account (so for /usr/lib an...
Using try vs if in python
...e it encourages. (on a related note, language design is why even the very best JavaScirpt JITs can't compare to LuaJIT 1, much less 2)
– Javier
Dec 2 '09 at 21:33
1
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How to draw a circle with text in the middle?
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If your content is going to wrap and be of unknown height, this is your best bet:
http://cssdeck.com/labs/aplvrmue
.badge {
height: 100px;
width: 100px;
display: table-cell;
text-align: center;
vertical-align: middle;
border-radius: 50%; /* may require vendor prefixes */
backgroun...
Why do we use arrays instead of other data structures?
...e advantages? Searching for data is one of these advantages and one of the best examples is the Binary Tree.
A Binary Tree is a data structure similar to a linked list, however instead of linking to a single node, each node can link to two children nodes.
==========
| Root | ...
Find unique rows in numpy.array
...e.itemsize*a.shape[1])))).view(a.dtype).reshape(-1, a.shape[1])
100 loops, best of 3: 3.17 ms per loop
%timeit ind = np.lexsort(a.T); a[np.concatenate(([True],np.any(a[ind[1:]]!=a[ind[:-1]],axis=1)))]
100 loops, best of 3: 5.93 ms per loop
a = np.random.randint(2, size=(10000, 100))
%timeit np.un...