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Easy way to dismiss keyboard?
...illHideNotification object:nil];
tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(didTapAnywhere:)];
Add the keyboard show/hide responders. There you add and remove the TapGestureRecognizer to the UIView that should dismiss the keyboard when tapped. Note: You ...
Fade/dissolve when changing UIImageView's image
...ew, as in the following example:
IMMFadeImageView *fiv=[[IMMFadeImageView alloc] initWithFrame:CGRectMake(10, 10, 50, 50)];
[self.view addSubview:fiv];
fiv.image=[UIImage imageNamed:@"initialImage.png"];
fiv.image=[UIImage imageNamed:@"fadeinImage.png"]; // fades in
A possible implementation fol...
Convert from enum ordinal to enum type
...t... you know - the C programmer inside me screams in pain seeing that you allocate a full-blown HashMap and perform lookups inside it all of it JUST to essentially manage 4 constants: spades, hearts, diamonds and clubs! A C programmer would allocate 1 byte for each: 'const char CLUBS=0;' etc... Ye...
How do I read an entire file into a std::string in C++?
... a large file this would be a significant penalty, perhaps even causing an allocation failure .
– M.M
Feb 6 '16 at 12:08
...
Replacement for deprecated sizeWithFont: in iOS 7?
...*font = ...;
NSAttributedString *attributedText =
[[NSAttributedString alloc] initWithString:text
attributes:@{NSFontAttributeName: font}];
CGRect rect = [attributedText boundingRectWithSize:(CGSize){width, CGFLOAT_MAX}
...
What are transparent comparators?
...lates:
template<typename T, typename Cmp = std::less<>, typename Alloc = std::allocator<T>>
using set = std::set<T, Cmp, Alloc>;
The name is_transparent comes from STL's N3421 which added the "diamond operators" to C++14. A "transparent functor" is one which accepts any ...
Favorite (Clever) Defensive Programming Best Practices [closed]
...
Allocate a reasonable chunk of memory when the application starts - I think Steve McConnell referred to this as a memory parachute in Code Complete.
This can be used in case something serious goes wrong and you are required ...
How do you attach and detach from Docker's process?
..."docker attach" to attach the container:
Since "docker attach" will not allocate a new tty, but reuse the original running tty, so if you run exit command, it will cause the running container exit:
# docker attach 91262536f7c9
exit
exit
# docker ps -a
CONTAINER ID IMAGE CO...
Where are static methods and static variables stored in Java?
... is stored in the permgen space, any referenced object will most likely be allocated on the heap. This might add some information: stackoverflow.com/questions/3800444/…
– Thomas
Dec 5 '11 at 16:01
...
Where is the itoa function in Linux?
...
Following function allocates just enough memory to keep string representation of the given number and then writes the string representation into this area using standard sprintf method.
char *itoa(long n)
{
int len = n==0 ? 1 : floor(log10...
