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How does Facebook Sharer select Images and other metadata when sharing my URL?
...ria: Image must be at least 200px by 200px, have a maximum aspect ratio of 3:1, and in PNG, JPEG or GIF format.
Can I specify multiple images to allow the user to select an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be pre...
Create Directory if it doesn't exist with Ruby
...ulian Onofrei
6,77988 gold badges5252 silver badges9393 bronze badges
answered Oct 9 '13 at 19:08
zrl3dxzrl3dx
7,08833 gold badges...
Why is the asterisk before the variable name, rather than after the type?
...
253
They are EXACTLY equivalent.
However, in
int *myVariable, myVariable2;
It seems obvious that ...
Does .NET have a way to check if List a contains all items in List b?
...
If you're using .NET 3.5, it's easy:
public class ListHelper<T>
{
public static bool ContainsAllItems(List<T> a, List<T> b)
{
return !b.Except(a).Any();
}
}
This checks whether there are any elements in b ...
Random / noise functions for GLSL
...re:
float rand(vec2 co){
return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
}
You can also generate a noise texture using whatever PRNG you like, then upload this in the normal fashion and sample the values in your shader; I can dig up a code sample later if you'd like.
Also, ...
Search code inside a Github project
...
Update January 2013: a brand new search has arrived!, based on elasticsearch.org:
A search for stat within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordp...
How to remove unreferenced blobs from my git repo
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edited Dec 31 '18 at 4:53
MultiplyByZer0
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Which is the fastest algorithm to find prime numbers?
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mmcdole
83.7k6060 gold badges178178 silver badges221221 bronze badges
answered Jan 17 '09 at 18:45
Greg Hewgil...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
...I resolved this.
– Mullins
Dec 12 '13 at 11:52
23
Genial comment, really.
–...
Swift alert view with OK and Cancel: which button tapped?
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306
If you are using iOS8, you should be using UIAlertController — UIAlertView is deprecated.
H...