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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)

... Doesn't this all depend on your understanding of the term changed? This could mean that a property of one of the elements in the collection has changed (which is how I think you are interpreting it) or it could mean that one of the elements of the collection has b...
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Cell spacing in UICollectionView

...in case anyone still needs correct answer here what you need: Override standard flow layout. Add implementation like that: - (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect { NSArray *answer = [super layoutAttributesForElementsInRect:rect]; for(int i = 1; i < [answer count]...
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CSS transition effect makes image blurry / moves image 1px, in Chrome?

...ecially the image-rendering CSS property. For best practice accessibility and SEO wise you could replace the background image with an <img> tag using object-fit CSS property. Original answer Try this in your CSS: .your-class-name { /* ... */ -webkit-backface-visibility: hidden; ...
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Disable activity slide-in animation when launching new activity?

... another activity, via a button click. By default, on newer OS versions of android, the OS will animate the new activity sliding in from right to left. ...
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Static variables in member functions

... Since class A is a non-template class and A::foo() is a non-template function. There will be only one copy of static int i inside the program. Any instance of A object will affect the same i and lifetime of i will remain through out the program. To add an exampl...
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What is the significance of load factor in HashMap?

HashMap has two important properties: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it. ...
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Drop columns whose name contains a specific string from pandas DataFrame

I have a pandas dataframe with the following column names: 10 Answers 10 ...
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How can I run PowerShell with the .NET 4 runtime?

...rShell (the engine) runs fine under .NET 4.0. PowerShell (the console host and the ISE) do not, simply because they were compiled against older versions of .NET. There's a registry setting that will change the .NET framework loaded systemwide, which will in turn allow PowerShell to use .NET 4.0 cla...
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?

I've installed and have been using the Anaconda Python distribution, and I have started using the Anaconda (Conda) environment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchem...
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Why does parseInt(1/0, 19) return 18?

...parseInt scans the input "Infinity" to find which part of it can be parsed and stops after accepting the first I (because n is not a valid digit in base 19). Therefore it behaves as if you called parseInt("I", 19), which converts to decimal 18 by the table above. ...