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Android: How to turn screen on and off programmatically?

Before marking this post as a "duplicate", I am writing this post because no other post holds the solution to the problem. ...
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When to use %r instead of %s in Python? [duplicate]

... The %s specifier converts the object using str(), and %r converts it using repr(). For some objects such as integers, they yield the same result, but repr() is special in that (for types where this is possible) it conventionally returns a result that is valid Python syntax, which could be ...
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“The breakpoint will not currently be hit. The source code is different from the original version.”

When debugging in Visual Studio, sometimes I add a breakpoint but it's hollow and VS says "The breakpoint will not currently be hit. The source code is different from the original version." Obviously this prevents me from being able to debug. ...
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What does immutable mean?

... It means that once you instantiate the object, you can't change its properties. In your first alert you aren't changing foo. You're creating a new string. This is why in your second alert it will show "foo" instead of oo. ...
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Can we make unsigned byte in Java

... am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed. 16 Ans...
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How do you reset the Zoom in Visual Studio 2010 and above

... There is a select box for this at the bottom left of the editor window - choose 100% ;) I was unable to find a keyboard shortcut for it, though zooming in and out can be done using Ctrl + > and Ctrl + <. Please note the horizontal scroll bar must be turned on to see the zoo...
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Set element focus in angular way

After looking for examples of how set focus elements with angular, I saw that most of them use some variable to watch for then set focus, and most of them use one different variable for each field they want to set focus. In a form, with a lot of fields, that implies in a lot of different variables. ...
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What is the difference between atomic / volatile / synchronized?

...e int counter; public int getNextUniqueIndex() { return counter++; } It basically reads value from memory, increments it and puts back to memory. This works in single thread but nowadays, in the era of multi-core, multi-CPU, multi-level caches it won't work correctly. First of all it introduce...
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How to count the number of set bits in a 32-bit integer?

8 bits representing the number 7 look like this: 55 Answers 55 ...
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How to erase the file contents of text file in Python?

...follow | edited Jun 28 '18 at 20:38 Ctrl S 9291111 silver badges2929 bronze badges answer...