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Pushing read-only GUI properties back into ViewModel

... Yes, I've done this in the past with the ActualWidth and ActualHeight properties, both of which are read-only. I created an attached behavior that has ObservedWidth and ObservedHeight attached properties. It also has an Observe property that is used to do the initial hook-up. U...
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ValueError: numpy.dtype has the wrong size, try recompiling

I just installed pandas and statsmodels package on my python 2.7 When I tried "import pandas as pd", this error message comes out. Can anyone help? Thanks!!! ...
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Bootstrap 3 and Youtube in Modal

... I found this problem (or the problem I found and described at https://github.com/twbs/bootstrap/issues/10489) related to CSS3 transformation (translation) on the .modal.fade .modal-dialog class. In bootstrap.css you will find the lines shown below: .modal.fade .modal-...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...appens (that the compiler won't just store the value in a register instead and defer updating main memory until much later) that no reordering takes place. Assume that we use a volatile variable as a flag to indicate whether or not some data is ready to be read. In our code, we simply set the flag a...
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Why do we need the “finally” clause in Python?

...) but it's not a TypeError. Other control flow statements such as continue and break statements. share | improve this answer | follow | ...
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pip issue installing almost any library

... new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neither is getting the job done. ...
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Overriding the java equals() method - not working?

I ran into an interesting (and very frustrating) issue with the equals() method today which caused what I thought to be a well tested class to crash and cause a bug that took me a very long time to track down. ...
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Simplest code for array intersection in javascript

... Use a combination of Array.prototype.filter and Array.prototype.includes: array1.filter(value => array2.includes(value)) For older browsers, with Array.prototype.indexOf and without an arrow function: array1.filter(function(n) { return array2.indexOf(n) !== ...
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How to create the perfect OOP application [closed]

...tly I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one. 12 Answers ...
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SearchView's OnCloseListener doesn't work

I'm trying to add support for the SearchView in the Android 3.0+ ActionBar, but I can't get the OnCloseListener to work. ...