大约有 45,000 项符合查询结果（耗时：0.0732秒） [XML]
Convert RGB to RGBA over white
... input values and r', g', b', and a' be the output values, all scaled (for now, as it makes the math prettier) between 1 and 0. Then, by the formula for overlaying colors:
r = a' * r' + 1 - a'
g = a' * g' + 1 - a'
b = a' * b' + 1 - a'
The 1 - a' terms represent the background contribution, and th...
What is java interface equivalent in Ruby?
...ple: where in java.util.Set<E> does it actually say that it is, you know, a set? Nowhere! Or more precisely, in the documentation. In English.
In pretty much all cases of interfaces, both from Java and .NET, all the relevant information is actually in the docs, not in the types. So, if the typ...
Evenly space multiple views within a container view
..., so until your app needs support for IOS8 @Mete response is the best for now.
– ZiggyST
Feb 24 '16 at 17:06
add a comment
|
...
Worst security hole you've seen? [closed]
...nter2, it shows to us as *******
<AzureDiamond> thats neat, I didnt know IRC did that
<Cthon98> yep, no matter how many times you type hunter2, it will show to us as *******
<AzureDiamond> awesome!
<AzureDiamond> wait, how do you know my pw?
<Cthon98> er, I just copy pa...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...
I'm just glad to know that I'm not going crazy :) I've since updated my code to only rely on TryParse, so I'm set for now. Thanks for your insight!
– Brandon Martinez
Apr 30 '13 at 17:39
...
What's the key difference between HTML 4 and HTML 5?
...Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this aren't written down anywhere. When a new browser vend...
“aapt” IOException error=2, No such file or directory" why can't I build my gradle on jenkins?
...his helped get me by the same error I was having with aapt. Note ldd aapt now works, and shows dependencies. Previously it stated that the program wasn't a dynamic executable "not a dynamic executable". Now on to the next problem!
– guyland123
Aug 19 '14 at 1...
list every font a user's browser can display
... it down from the server. (Intuitively, it seems like the browser should know what fonts it has and this should be exposed to javascript somehow.)
...
CSS @font-face - what does “src: local('☺')” mean?
...excerpt from his blog post:
And.. regarding @font-face syntax
I now recommend the bulletproof smiley variation over the original bulletproof syntax.
@font-face {
font-family: 'Graublau Web';
src: url('GraublauWeb.eot');
src: local('☺'),
url('GraublauWeb.woff') format('woff...
Syntax behind sorted(key=lambda: …)
... a sequence of 1s and 0s.
[3,6,3,2,4,8,23] becomes [0,1,0,1,1,1,0]
Now we're getting somewhere. What do you get when you sort the transformed list?
[0,0,0,1,1,1,1]
Okay, so now we know why the odds come before the evens. But the next question is: Why does the 6 still come before the 2 ...