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Why does Python use 'magic methods'?

...s', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) . ...
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How to detect orientation change in layout in Android?

...portrait", Toast.LENGTH_SHORT).show(); } } You also have to edit the appropriate element in your manifest file to include the android:configChanges Just see the code below: <activity android:name=".MyActivity" android:configChanges="orientation|keyboardHidden" android:...
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How to prevent the activity from loading twice on pressing the button

... This is the correct approach. It will even handle Button Selected States for you (if you provide them) and all the Material Design “goodies” you’d expect from a simple standard Widget. I can’t believe people use timers for this. Then you...
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Javascript replace with reference to matched group?

I have a string, such as hello _there_ . I'd like to replace the two underscores with <div> and </div> respectively, using JavaScript . The output would (therefore) look like hello <div>there</div> . The string might contain multiple pairs of underscores. ...
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Disable double-tap “zoom” option in browser on touch devices

... Note (as of 2020-08-04): this solution does not appear to work in iOS Safari v12+. I will update this answer and delete this note once I find a clear solution that covers iOS Safari. CSS-only solution Add touch-action: manipulation to any element on which you want to disab...
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Odd behavior when Java converts int to byte?

... 132 in digits (base 10) is 1000_0100 in bits (base 2) and Java stores int in 32 bits: 0000_0000_0000_0000_0000_0000_1000_0100 Algorithm for int-to-byte is left-truncate; Algorithm for System.out.println is two's-complement (Two's-complement is if leftmos...
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How can I get the current page's full URL on a Windows/IIS server?

... Maybe, because you are under IIS, $_SERVER['PATH_INFO'] is what you want, based on the URLs you used to explain. For Apache, you'd use $_SERVER['REQUEST_URI']. share | ...
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How do I get an object's unqualified (short) class name?

...Greg.Forbes Because Tenant doesn't exist in the current namespace. Try var_dump($tenant instanceof \Library\Entity\People\Tenant) instead. Also, investigate how to use the use operator, and the general concept behind PHP namespaces! – lonesomeday Nov 13 '13 at...
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What is the “Temporary ASP.NET Files” folder for?

...ders. Simplistically....and I really mean it: When ASP.NET runs your app for the first time, it copies any assemblies found in the /bin folder, copies any source code files (found for example in the App_Code folder) and parses your aspx, ascx files to c# source files. ASP.NET then ...
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How to do version numbers? [closed]

...ompany is building a product. It's going to be versioned by SVN. It's a webapp so basically there will never be a version out which doesn't have some features in them and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watchout" ...