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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...
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How to set cornerRadius for only top-left and top-right corner of a UIView?

... 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...
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'is' versus try cast with null check

...ast a second time // before using it as a MyType ... } to this: var myObjRef = myObj.myProp as MyType; // only one cast if (myObjRef != null) { // myObjRef is already MyType and doesn't need to be cast again ... } C# 7.0 supports a more com...
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Fastest way to check if string contains only digits

... bool IsDigitsOnly(string str) { foreach (char c in str) { if (c < '0' || c > '9') return false; } return true; } Will probably be the fastest way to do it. ...
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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. ...
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What are 'get' and 'set' in Swift?

... That's actually explained right before the code: In addition to simple properties that are stored, properties can have a getter and a setter. class EquilateralTriangle: NamedShape { ... When some other class wants to get that perimeter variable, they do this: let someVar =...
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JavaScript: Is there a way to get Chrome to break on all errors?

...looking for an equivalent in Chrome to the "break on all errors" functionality of Firebug. In the Scripts tab, Chrome has a "pause on all exceptions", but this is not quite the same as breaking on all errors. ...
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

...trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP. ...
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DirectX SDK (June 2010) Installation Problems: Error Code S1023

... I had the same problem and for me it was because the vc2010 redist x86 was too recent. Check your temp folder (C:\Users\\AppData\Local\Temp) for the most recent file named Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ## and check...
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Bash script prints “Command Not Found” on empty lines

... Make sure your first line is: #!/bin/bash Enter your path to bash if it is not /bin/bash Try running: dos2unix script.sh That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF). More details ab...