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Better way to revert to a previous SVN revision of a file?
...f: How to Roll Back Changes using Subversion - Jacob Wright – Flex, AIR, PHP, etc.
EDIT: ... and apparently, the exactly same effect as svn merge -r HEAD:851 l3toks.dtx, can be achieved with:
svn export -r 851 l3toks.dtx
A l3toks.dtx
Export complete.
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Autolayout - intrinsic size of UIButton does not include title insets
...stitute your desired padding values here:
UIButton* myButton = [[UIButton alloc] init];
// setup some autolayout constraints here
myButton.titleEdgeInsets = UIEdgeInsetsMake(-desiredBottomPadding,
-desiredRightPadding,
...
generating GUID without hyphen
..., if nothing else, it is extra work (and most likely an unnecessary string allocation).
– Christian.K
Jan 16 '12 at 9:02
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INSERT IF NOT EXISTS ELSE UPDATE?
...ement case the statement would set it to NULL and then a fresh ID would be allocated.
This approach can also be used if you want to leave particular field values alone if the row in the replacement case but set the field to NULL in the insert case.
For example, assuming you want to leave Seen alon...
How to set UICollectionViewDelegateFlowLayout?
...ViewFlowLayout(), self.collectionViewLayout = [[UICollectionViewFlowLayout alloc]init]
– Daishi Nakajima
Mar 19 '16 at 7:30
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How do I use arrays in C++?
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+-|-+
p: | | |
+---+
Note that the array itself is still allocated as a single block in memory.
Arrays of pointers
You can overcome the restriction of fixed width by introducing another level of indirection.
Named arrays of pointers
Here is a named array of five pointers which ...
Calculate the center point of multiple latitude/longitude coordinate pairs
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I found this post very useful so here is the solution in PHP. I've been using this successfully and just wanted to save another dev some time.
/**
* Get a center latitude,longitude from an array of like geopoints
*
* @param array data 2 dimensional array of latitudes and longit...
Reducing MongoDB database file size
...illed 2/3 of your drive with one DB, you could not perform a repair. Newly allocated files would suck up the remaining space before the new DB was completely "copied & repaired" and "the switch" would never happen. With compact, he can at least keep the existing files in place. I agree, it's not...
Does my application “contain encryption”?
...hat exempts most commercial apps from Category 5 Part 2: bis.doc.gov/index.php/policy-guidance/encryption/… This means that most apps that use encryption to support their main function are fine without registration
– Andrew Alcock
Feb 25 '14 at 5:36
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Alternative to itoa() for converting integer to string C++? [duplicate]
...even when output a simple integer: In C, you use your own buffer, possibly allocated in the stack, whereas in C++, the stringstream will use its own. In C, you can then reuse your buffer. In C++, you must extract the string from the stringstream, which is a std::string copy.
– ...