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Can you animate a height change on a UITableViewCell when selected?
...ood because there's no animation...
This is what I'm currently trying:
NSArray* paths = [NSArray arrayWithObject:[NSIndexPath indexPathForRow:0 inSection:0]];
[self.tableView beginUpdates];
[self.tableView insertRowsAtIndexPaths:paths withRowAnimation:UITableViewRowAnimationFade];
[self.tableView ...
Rails :include vs. :joins
...is null")
#=> <ActiveRecord::Relation []>
You will get a empty array as shown.
Moreover joins does not load the joined table in memory. Thus if you do
comment_1 = Comment.joins(:user).first
comment_1.user.age
#=>←[1m←[36mUser Load (0.0ms)←[0m ←[1mSELECT "users".* FROM "us...
What happens when a duplicate key is put into a HashMap?
...vious value associated with the given key in the map (conceptually like an array indexing operation for primitive types).
The map simply drops its reference to the value. If nothing else holds a reference to the object, that object becomes eligible for garbage collection. Additionally, Java retur...
how to use ng-option to set default value of select element
...
If your array of objects are complex like:
$scope.friends = [{ name: John , uuid: 1234}, {name: Joe, uuid, 5678}];
And your current model was set to something like:
$scope.user.friend = {name:John, uuid: 1234};
It helped to use...
Boolean literals in PowerShell
...s. Most non-null objects are true, for example. null, empty strings, empty arrays and the number 0 are false.
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What is function overloading and overriding in php?
...ssible in PHP:
PHP has a function called func_get_args(), which returns an array of current arguments, now consider the following code:
function hello($a){
print_r(func_get_args());
}
function hello($a,$a){
print_r(func_get_args());
}
hello('a');
hello('a','b');
Considering both functions a...
Why does Google +1 record my mouse movements? [closed]
...hey just use window.crypto.getRandomValues: (function(){var buf = new Uint8Array(1); window.crypto.getRandomValues(buf); alert(buf[0]) } )()
– Rich Bradshaw
Jul 24 '11 at 7:24
3
...
Turn a string into a valid filename?
...
In Python 3 your_string needs to be a byte array or the result of encode('ascii') for this to work.
– Noumenon
Jul 25 '15 at 18:43
4
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Why is it not possible to extend annotations in Java?
... given method or type may have two such annotations on it, meaning that an array would have to be returned instead of just a single object.
So I think the ultimate answer is that the use cases are esoteric and complicate more standard use cases making it not worth it.
...
Why am I not getting a java.util.ConcurrentModificationException in this example?
...fying a copy instead of the original list.
List<Integer> copy = new ArrayList<Integer>(integerList);
for(Integer integer : integerList) {
if(integer.equals(remove)) {
copy.remove(integer);
}
}
...