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Cell spacing in UICollectionView
... well with a UIEdgeInsetsMake(0,0,0,0)...
On a UITableView I can do this by directly specifying the x,y coordinates in a row...
Heres my UICollectionView code:
#pragma mark collection view cell layout / size
- (CGSize)collectionView:(UICollectionView*)collectionView layout:(UICollectionViewLa...
Scale Image to fill ImageView width and keep aspect ratio
...
I had a similar problem once. I solved it by making a custom ImageView.
public class CustomImageView extends ImageView
Then override the onMeasure method of the imageview. I did something like this I believe:
@Override
protected void onMeasure(int widthMeasur...
Use cases for the 'setdefault' dict method
...common use case: Grouping items (in unsorted data, else use itertools.groupby)
# really verbose
new = {}
for (key, value) in data:
if key in new:
new[key].append( value )
else:
new[key] = [value]
# easy with setdefault
new = {}
for (key, value) in data:
group = new.set...
Case insensitive 'Contains(string)'
...
This solution also needlessly pollutes the heap by allocating memory for what should be a searching function
– JaredPar
Mar 18 '13 at 16:09
17
...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
...n the options list is to have the select box clicked. Which I accomplished by invisibly overlaying the select on top of some target text.
– Phil
Sep 29 '09 at 15:24
...
Session variables in ASP.NET MVC
... What I noticed is that in a controller when I tried to access the session by doing the following, I kept on getting that error. This is due to the fact that this.HttpContext is part of the Controller object.
this.Session["blah"]
// or
this.HttpContext.Session["blah"]
However, what I wanted was ...
How can I avoid running ActiveRecord callbacks?
...)
#Rails >= v4.0 only
@person.update_columns(attributes)
http://api.rubyonrails.org/classes/ActiveRecord/Persistence.html#method-i-update_column
#2: Skipping callbacks that also works while creating an object
class Person < ActiveRecord::Base
attr_accessor :skip_some_callbacks
before_...
Should enums in C# have their own file? [closed]
... It adds noise to the directory when browsing, that's what I meant by wasteful.
– Finglas
Feb 17 '10 at 17:41
119
...
How can I resize an image dynamically with CSS as the browser width/height changes?
...
window.onresize = function(){
var img = document.getElementById('fullsize');
img.style.width = "100%";
};
In IE onresize event gets fired on every pixel change (width or height) so there could be performance issue. Delay image resizing for few milliseconds by using javascript's...
string.charAt(x) or string[x]?
...vidual characters correspond to a numerical index. This has been supported by most browsers since their first version, except for IE. It was standardised in ECMAScript 5:
return 'cat'[1]; // returns "a"
The second way requires ECMAScript 5 support (and not supported in some older browsers).
...