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Create tap-able “links” in the NSAttributedString of a UILabel?
...
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"String with a link" attributes:nil];
NSRange linkRange = NSMakeRange(14, 4); // for the word "link" in the string above
NSDictionary *linkAttributes = @{ NSForegroundColorAttributeName : [UIColor colo...
When should I use UNSIGNED and SIGNED INT in MySQL?
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1111 1101b = -3d
1111 1110b = -2d
1111 1111b = -1d
0000 0000b = 0d
0000 0001b = 1d
0000 0010b = 2d
...
0111 1111b = 127d
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iOS 7 parallax effect in my view controller
...atingMotionEffect *verticalMotionEffect =
[[UIInterpolatingMotionEffect alloc]
initWithKeyPath:@"center.y"
type:UIInterpolatingMotionEffectTypeTiltAlongVerticalAxis];
verticalMotionEffect.minimumRelativeValue = @(-10);
verticalMotionEffect.maximumRelativeValue = @(10);
// Set hor...
Creating C formatted strings (not printing them)
...specifiers. Additional
arguments are ignored by the function.
Example:
// Allocates storage
char *hello_world = (char*)malloc(13 * sizeof(char));
// Prints "Hello world!" on hello_world
sprintf(hello_world, "%s %s!", "Hello", "world");
...
Are memory leaks ever ok? [closed]
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Technically, a leak is memory that is allocated and all references to it are lost. Not deallocating the memory at the end is just lazy.
– Martin York
Nov 7 '08 at 19:13
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How to use single storyboard uiviewcontroller for multiple subclass
...... This simply changes the isa pointer of the given pointer and doesn't reallocate memory to accommodate for e.g. different properties. One indicator for this is that the pointer to self doesn't change. So inspection of the object (e.g. reading _ivar / property values) after object_setClass can cau...
How do I return multiple values from a function in C?
...d a size_t for the length unless it's absolutely vital for the function to allocate it's own string and/or return NULL.
– Chris Lutz
Apr 12 '10 at 6:14
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Pointers vs. values in parameters and return values
...y value is actually more efficient, because it avoids cache misses or heap allocations.
So, Go Wiki's code review comments page suggests passing by value when structs are small and likely to stay that way.
If the "large" cutoff seems vague, it is; arguably many structs are in a range where either a ...
^M at the end of every line in vim
... let c = col(".")
try
set ff=unix
w!
"%s/\%x0d$//e
catch /E32:/
echo "Sorry, first save the file."
endtry
let @/=_s
call cursor(l, c)
endfun
com! Dos2Unix keepjumps call Dos2unixFunction()
...
Programmatically open Maps app in iOS 6
...ordinate2DMake(16.775, -3.009);
MKPlacemark *placemark = [[MKPlacemark alloc] initWithCoordinate:coordinate
addressDictionary:nil];
MKMapItem *mapItem = [[MKMapItem alloc] initWithPlacemark:placemark];
[mapItem setName:@"My Place"];
// Pas...