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How do I clone a generic list in C#?
... I think List.ConvertAll might do this in faster time, since it can pre-allocate the entire array for the list, versus having to resize all the time.
– MichaelGG
Oct 21 '08 at 17:43
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Check whether an array is a subset of another
... t1. The advantage of this method is that it is done all in-place, without allocating additional space, unlike the solutions using .Except or .Intersect. Furthermore, this solution is able to break as soon as it finds a single element that violates the subset condition, while the others continue sea...
iOS - forward all touches through a view
...ents to be forwarded to:
SomeViewSubclass *view = [[[SomeViewSubclass alloc] initWithFrame:someRect] autorelease];
view.forwardableTouchee = someOtherView;
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UIButton Image + Text IOS
.../You can replace it with your own dimensions.
UILabel *label=[[UILabel alloc] initWithFrame:CGRectMake(0.0f, 35.0f, 50.0f, 44.0f)];///You can replace it with your own dimensions.
[button addSubview:label];
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What is the difference between static_cast and C style casting?
... in a 4-byte pointer ( a pointer to 4-byte datatype) pointing to 1 byte of allocated memory, writing to this pointer will either cause a run-time error or will overwrite some adjacent memory.
*p = 5; // run-time error: stack corruption
In contrast to the C-style cast, the static cast will allow t...
Query to list number of records in each table in a database
... i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.NAME NOT LIKE 'dt%' AND
i.OBJECT_ID > 255 AND
i.index_id <= 1
GROUP BY
t.NAME, i.object_id, i.index_id, i.name, p.[Rows]
ORDER BY
o...
Best database field type for a URL
...ax) for SQLServer2005
varchar(65535) for MySQL 5.0.3 and later
This will allocate storage as need and shouldn't affect performance.
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ArrayList vs List in C#
...you used "boxing" and not "casting"? What boxing happens here? Are objects allocated/deallocated?
– Benjamin Gruenbaum
Nov 7 '13 at 19:54
2
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Converting int to bytes in Python 3
...to create some type of buffer for which you need some memory of given size allocated. I often use this when initializing arrays or expanding some file by writing zeros to it.
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In-place type conversion of a NumPy array
...d answer. However arr_.astype(new_dtype, copy=False) still returns a newly allocated array. How to satisfied the dtype, order, and subok requirements to return a copy of array? I don't solve it.
– 蒋志强
Aug 5 '19 at 21:20
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