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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
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170
pandas.isnull() (also pd.isna(), in newer versions) checks for missing values in both numeric an...
Curly braces in string in PHP
...echo "This is ${great}";
// Works
echo "This square is {$square->width}00 centimeters broad.";
// Works, quoted keys only work using the curly brace syntax
echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong...
How to refer environment variable in POM.xml?
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rogerdpack
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answered May 5 '12 at 15:11
Andrew WhiteAndre...
How to find the size of an array in postgresql
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Adam DingleAdam Dingle
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10
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How to check if two arrays are equal with JavaScript? [duplicate]
...that array.
// you might want to clone your array first.
for (var i = 0; i < a.length; ++i) {
if (a[i] !== b[i]) return false;
}
return true;
}
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SyntaxError: Use of const in strict mode
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Concatenating string and integer in python
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answered Jul 19 '12 at 10:43
user647772user647772
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UITextfield leftView/rightView padding on iOS7
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90
Was just working on this myself and used this solution:
- (CGRect) rightViewRectForBounds:(CGRe...
express throws error as `body-parser deprecated undefined extended`
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app.use(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also do:
app.use(express.urlencoded({ extended: true }))
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How to output loop.counter in python jinja template?
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390
The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 i...