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express 4.0 , express-session with odd warning message
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answered Jun 29 '14 at 14:36
mscdexmscdex
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Python Pandas: Get index of rows which column matches certain value
... pd.DataFrame({'BoolCol': [True, False, False, True, True]},
index=[10,20,30,40,50])
In [53]: df
Out[53]:
BoolCol
10 True
20 False
30 False
40 True
50 True
[5 rows x 1 columns]
In [54]: df.index[df['BoolCol']].tolist()
Out[54]: [10, 40, 50]
If you want to use the index...
How to get one value at a time from a generator function in Python?
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157
Yes, or next(gen) in 2.6+.
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What are 'get' and 'set' in Swift?
...e variable from another object, it looks like this:
myTriangle.perimeter = 100
Which invokes the code in the set{} block:
set {
sideLength = newValue / 3.0
}
And so it's like if the class that's setting the variable had done this:
myTriangle.sideLength = 100/3.0
It's really just for convenien...
How to use ArrayAdapter
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156
Implement custom adapter for your class:
public class MyClassAdapter extends ArrayAdapter<...
Ruby sleep or delay less than a second?
...h ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
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Using build types in Gradle to run same app that uses ContentProvider on one device
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14 Answers
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Active
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...(this[i]);
}
}
return res;
};
console.log([0, 5, 0, 3, 0, 1, 0].filter_0());
//prints [5,3,1]
This is a standard way to extend objects and add new methods. Lots of libraries do this.
However, let's look at how for in works now:
var listeners = ["a", "b", "c"];
for (o in listeners...
How to Copy Contents of One Canvas to Another Canvas Locally
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Aug 21 '11 at 22:30
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Intercepting links from the browser to open my Android app
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141
Use an android.intent.action.VIEW of category android.intent.category.BROWSABLE.
From Romain ...