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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
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10 Answers
10
Active
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Infinite scrolling with React JS
...te.recordsPerBody, this.state.total - 1);
var displayStart = Math.max(0, Math.floor(scroll / this.state.recordHeight) - this.state.recordsPerBody * 1.5);
var displayEnd = Math.min(displayStart + 4 * this.state.recordsPerBody, this.state.total - 1);
this.setState({
visibleStart:...
Scala list concatenation, ::: vs ++
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Zoltán
18.3k1010 gold badges7878 silver badges120120 bronze badges
answered Jul 2 '11 at 23:15
Daniel C. SobralDan...
What's the best way to set a single pixel in an HTML5 canvas?
...e
var d = id.data; // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect...
remove objects from array by object property
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I assume you used splice something like this?
for (var i = 0; i < arrayOfObjects.length; i++) {
var obj = arrayOfObjects[i];
if (listToDelete.indexOf(obj.id) !== -1) {
arrayOfObjects.splice(i, 1);
}
}
All you need to do to fix the bug is decrement i for the ...
What's a quick way to test to see a file exists?
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edited May 23 '19 at 0:12
TheNeil
1,27822 gold badges1010 silver badges3030 bronze badges
answered ...
How do I tell matplotlib that I am done with a plot?
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edited Feb 7 '12 at 12:04
Tom
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answered Apr ...
How do I combine two data frames?
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answered Oct 12 '12 at 0:07
Joran BeasleyJoran Beasley
88.2k1111 gold badges116116 silver badges148148 bronze badges
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How can I strip the whitespace from Pandas DataFrame headers?
...ethod should do what you want.
In [5]: df
Out[5]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
In [6]: df.rename(columns=lambda x: x.strip())
Out[6]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
Note: that this returns a DataFrame object and it's sho...
Add querystring parameters to link_to
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edited May 10 '14 at 17:28
XeNoN
65455 silver badges1616 bronze badges
answered Apr 23 '10...