大约有 43,085 项符合查询结果（耗时：0.0467秒） [XML]
socket.emit() vs. socket.send()
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125
With socket.emit you can register custom event like that:
server:
var io = require('socket.i...
Multi-gradient shapes
...olor.GREEN, Color.WHITE, Color.WHITE},
new float[]{0,0.5f,.55f,1}, Shader.TileMode.REPEAT);
return lg;
}
};
PaintDrawable p=new PaintDrawable();
p.setShape(new RectShape());
p.setShaderFactory(sf);
Basically, the int array allows you to select multiple color stops, and the...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...Ref.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript ...
Numpy array assignment with copy
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133
All three versions do different things:
B = A
This binds a new name B to the existing objec...
How to plot multiple functions on the same figure, in Matplotlib?
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182
To plot multiple graphs on the same figure you will have to do:
from numpy import *
import m...
Error handling in getJSON calls
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edited Dec 8 '16 at 4:45
Bista
7,56733 gold badges2424 silver badges5151 bronze badges
answe...
Immediate function invocation syntax
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edited Jul 29 '14 at 19:24
answered Jun 2 '09 at 13:11
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Is it possible to have empty RequestParam values use the defaultValue?
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178
You could change the @RequestParam type to an Integer and make it not required. This would all...
INSERT IF NOT EXISTS ELSE UPDATE?
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edited Jul 2 '14 at 6:34
answered Sep 3 '10 at 10:55
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How do I convert uint to int in C#?
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188
Given:
uint n = 3;
int i = checked((int)n); //throws OverflowException if n > Int32.MaxV...