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Are NSLayoutConstraints animatable? [duplicate]
...
Just follow this exact pattern:
self.heightFromTop.constant = 550.0f;
[myView setNeedsUpdateConstraints];
[UIView animateWithDuration:0.25f animations:^{
[myView layoutIfNeeded];
}];
where myView is the view where self.heightFromTop was added to. Your view is "j...
How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...t: 75px;
position: absolute;
}
.set6 .child {
top: 50%; /* level from which margin-top starts
- downwards, in the case of a positive margin
- upwards, in the case of a negative margin
*/
left: 50%; /* level from which margin-left starts
- towards right, in the case of a posit...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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See here for an example from the OpenJPA docs. CascadeType.ALL means it will do all actions.
Quote:
CascadeType.PERSIST: When persisting an entity, also persist the entities held in its fields. We suggest a liberal application of this cascade rule,...
What's the difference between size_t and int in C++?
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From the friendly Wikipedia:
The stdlib.h and stddef.h header files define a datatype called size_t which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and th...
snprintf and Visual Studio 2010
... -1, Microsoft's _snprintf is an unsafe function which behaves differently from snprintf (it doesn't necessarily add a null terminator), so the advice given in this answer is misleading and dangerous.
– interjay
Jun 4 '13 at 9:31
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How do I create a class instance from a string name in ruby?
...stackoverflow.com%2fquestions%2f5924495%2fhow-do-i-create-a-class-instance-from-a-string-name-in-ruby%23new-answer', 'question_page');
}
);
Post as a guest
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How do I use $scope.$watch and $scope.$apply in AngularJS?
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Looks like the AngularJS docs have shifted out from under this answer (the first link doesn't have "runtime" or $watch on the page, and the second link is broken -- as of now, anyhow). Painfully, the archive versions didn't cache whatever async process created the content...
Java heap terminology: young, old and permanent generations?
...arbage collection
are the following.
Eden Space (heap): The pool from which memory is initially allocated
for most objects.
Survivor Space (heap): The pool containing objects that have survived
the garbage collection of the Eden
space.
Tenured Generation (heap): The pool containi...
Reasons for using the set.seed function
...s the possible desire for reproducible results, which may for example come from trying to debug your program, or of course from trying to redo what it does:
These two results we will "never" reproduce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sa...
IE8 issue with Twitter Bootstrap 3
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You got your CSS from CDN (bootstrapcdn.com) respond.js only works for local files. So try your website on IE8 with a local copy of bootstrap.css. Or read: CDN/X-Domain Setup
Note See also: https://github.com/scottjehl/Respond/pull/206
Upd...