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How do I use IValidatableObject?
...rties with Validator:
When validating an object, the
following process is applied in
Validator.ValidateObject:
Validate property-level attributes
If any validators are invalid, abort validation returning the
failure(s)
Validate the object-level attributes
If any validators are invalid, abort valid...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...and the image will go back to the right image. I have no idea why this is happening.
13 Answers
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django urls without a trailing slash do not redirect
I've got two applications located on two separate computers. On computer A, in the urls.py file I have a line like the following:
...
Should IBOutlets be strong or weak under ARC?
...
The current recommended best practice from Apple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 w...
Does Swift support reflection?
...there's the start of some reflection support:
class Fruit {
var name="Apple"
}
reflect(Fruit()).count // 1
reflect(Fruit())[0].0 // "name"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
...
In Vim is there a way to delete without putting text in the register?
...
It's handy to have an easy mapping which lets you replace the current selection with buffer.
For example when you put this in your .vimrc
vmap r "_dP // it's a capital 'p' on the end
then, after copying something into register (i.e. with 'y'),...
fs: how do I locate a parent folder?
...kes me wonder how universal they are. e.g. I'm trying to write an Electron app in a platform agnostic manner and, while I haven't exhaustively proved it, I suspect this is the safest way. Thanks.
– Andrew Willems
Apr 20 '18 at 23:32
...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
...
Try putting this in your app/web.config:
<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true" />
</settings>
</system.net>
If this doesn't work you may also try setting the KeepAlive p...
Is there a max array length limit in C++?
...ch as sparse matrices, on the fly compression, etc... Again this is highly application dependent. If you edit your post to give some more information as to what is actually in your arrays, you might get more useful answers.
Edit: Given a bit more information on your exact requirements, your storag...
Biggest GWT Pitfalls? [closed]
...like jquery or just plain javascript. It takes a lot more setup to get it happening than just including a JS file.
Solution: Use libraries like jquery for smaller, simple tasks that are suited to those. Use GWT when you want to build something truly complex in AJAX, or where you need to pass your d...