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ValueError: setting an array element with a sequence
...redDuringExSummaryOfMeansArray contains sequences of different lengths.
Edit: Another possible cause for this error message is trying to use a string as an element in an array of type float:
numpy.array([1.2, "abc"], dtype=float)
That is what you are trying according to your edit. If you really...
How to set cornerRadius for only top-left and top-right corner of a UIView?
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Pay attention to the fact that if you have layout constraints attached to it, you must refresh this as follows in your UIView subclass:
override func layoutSubviews() {
super.layoutSubviews()
roundCorners(corners: [.topLeft, .topRight], radius: 3.0)
}
If you don't do that it won't show u...
Math.random() explanation
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int randomWithRange(int min, int max)
{
int range = (max - min) + 1;
return (int)(Math.random() * range) + min;
}
Output of randomWithRange(2, 5) 10 times:
5
2
3
3
2
4
4
4
5
4
The bounds are inclusive, ie [2,5], and min ...
What is the difference between JVM, JDK, JRE & OpenJDK?
... to obtain *.class files that contain the bytecodes understood by the JVM. It's also the entity that allows Java to be a "portable language" (write once, run anywhere). Indeed, there are specific implementations of the JVM for different systems (Windows, Linux, macOS, see the Wikipedia list), the ai...
How to remove extension from string (only real extension!)
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Try this one:
$withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename);
So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty...
How to pass a variable from Activity to Fragment, and pass it back?
...am currently making an android app, and I want to pass a date between activity and fragment.
My activity has a button, which opens the fragment: DatePickerFragment.
...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
When I try to use a print statement in Python, it gives me this error:
8 Answers
8
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How to unzip a file using the command line? [closed]
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The first URL listed is a true 16-bit application, thus does not work on x64 operating systems. Just a heads up.
– Mark Henderson
Sep 11 '13 at 4:42
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What is q=0.5 in Accept* HTTP headers?
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This is called a relative quality factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value which represents an es...
What is a callback URL in relation to an API?
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A callback URL will be invoked by the API method you're calling after it's done. So if you call
POST /api.example.com/foo?callbackURL=http://my.server.com/bar
Then when /foo is finished, it sends a request to http://my.server.com/bar. The contents and method of that request are going to vary...