大约有 15,000 项符合查询结果（耗时：0.0312秒） [XML]
Looping over arrays, printing both index and value
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@glennjackman can you explain this more The use of [@] and double quotes means it's not a "space separated list of words"
– Kasun Siyambalapitiya
Dec 2 '16 at 10:27
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Converting RGB to grayscale/intensity
... link to Ware in books.google.com
may or may not work
cambridgeincolor :
excellent, well-written
"tutorials on how to acquire, interpret and process digital photographs
using a visually-oriented approach that emphasizes concept over procedure"
Should you run into "linear" vs "nonlinear" RGB,
here'...
MySql server startup error 'The server quit without updating PID file '
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Is it possible to get the non-enumerable inherited property names of an object?
...s(curr)
props.forEach(function(prop){
if (allProps.indexOf(prop) === -1)
allProps.push(prop)
})
}while(curr = Object.getPrototypeOf(curr))
return allProps
}
I tested that on Safari 5.1 and got
> getAllProperties([1,2,3])
["0", "1", "2", "leng...
How to manually include external aar package using new Gradle Android Build System
I've been experimenting with the new android build system and I've run into a small issue. I've compiled my own aar package of ActionBarSherlock which I've called 'actionbarsherlock.aar'. What I'm trying to do is actually use this aar to build my final APK. If I include the whole ActionBarSherloc...
Center a DIV horizontally and vertically [duplicate]
...ere working: http://jsbin.com/iquviq/30/edit
.content {
width: 200px;
height: 600px;
background-color: blue;
position: absolute; /*Can also be `fixed`*/
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
/*Solves a prob...
Why is “import *” bad?
...rom previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically detect errors in your code.
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What's the “Content-Length” field in HTTP header?
...ad the request been a GET.
It doesn't matter what the content-type is.
Extension at post below.
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Drop shadow for PNG image in CSS
...NGs, using a combination of dropshadow-filter (for Webkit), SVG (for Firefox) and DX filters for IE.
.shadowed {
-webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5));
filter: url(#drop-shadow);
-ms-filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12, OffY=12, Color='#44...
public friend swap member function
...here is! We can use a friend function, and find it through ADL:
namespace xyz
{
struct myclass
{
friend void swap(myclass&, myclass&);
};
}
When we want to swap something, we associate† std::swap and then make an unqualified call:
using std::swap; // allow use of st...