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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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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...
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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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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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
...
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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How to Sort a List by a property in the object
...ory you are using is not an issue, this solution avoids unnecessary memory allocation which is EXTREMELY expensive. This option is just as simple codewise and an order of magnitude faster.
– Cdaragorn
Dec 14 '16 at 20:58
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Looping a video with AVFoundation AVPlayer?
...and in its selector, loop your video
AVPlayerItem *video = [[AVPlayerItem alloc] initWithURL:videoURL];
[self.player insertItem:video afterItem:nil];
[self.player play];
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