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How to calculate cumulative normal distribution?
...zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.9599999999999991)
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LINQ order by null column where order is ascending and nulls should be last
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my decision:
Array = _context.Products.OrderByDescending(p => p.Val ?? float.MinValue)
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Is null an Object?
...in the Java API that expose instance/object variables (there may be more): arrays with its length and the subclasses of java.awt.geom.Point2D.
– Gerold Broser
Aug 15 '17 at 0:45
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Difference between 'new operator' and 'operator new'?
... there's also a separate operator new[] that's used to allocate memory for arrays -- but you're almost certainly better off ignoring that whole mess completely.
The new operator is what you normally use to create an object from the free store:
my_class *x = new my_class(0);
The difference betwee...
GroupBy pandas DataFrame and select most common value
...does not have a 'Short name' attribute.
stats.mode returns a tuple of two arrays, so you have to take the first element of the first array in this tuple.
With these two simple changements:
source.groupby(['Country','City']).agg(lambda x: stats.mode(x)[0][0])
returns
Sh...
android pick images from gallery
... ActivityCompat.requestPermissions(
this,
arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE),
READ_EXTERNAL_STORAGE_REQUEST_CODE
)
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
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In Go's http package, how do I get the query string on a POST request?
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I found it interesting req.Form is empty array unless req.formValue("some_field") is invoked at lease once.
– Qian Chen
Jun 21 '15 at 14:51
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How to turn a String into a JavaScript function call? [duplicate]
...pt, object members can be access with a string the same way you do with an array. Assuming your function is declared in the global scope, it become a function in the window object. You can call it using a string.
– Pluc
May 8 '15 at 15:24
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Difference between toFixed() and toPrecision()?
...er of significant digits for each product, but if we're iterating over the array of products that could be tricky. Let's use toFixed instead:
document.write("The price of " + products[0].title + " is $" + products[0].price.toFixed(2));
document.write("The price of " + products[1].title + " is $" + ...
How to get the previous URL in JavaScript?
...ing window.
Took me a little while to understand this. So in the history array, document.referrer is not only a URL, it is apparently the referrer window specification as well. At least, that is the best way I can understand it at this time.
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