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Media Player called in state 0, error (-38,0)

...er, but for slow devices, the media player just did not play some time and from LogCat it had many complain about called in wrong state. So I resolved it by calling putting the call to start(), pause(),... in onPrepared() method of OnPreparedListener() as below: mediaPlayer.prepare(); mediaPlayer.s...
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How to check if a float value is a whole number

...e if a floating point value is within a configurable margin: >>> from math import isclose >>> isclose((4**3) ** (1.0/3), 4) True >>> isclose(10648 ** (1.0/3), 22) True For older versions, the naive implementation of that function (skipping error checking and ignoring in...
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]

... @ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't ...
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How do I get the path to the current script with Node.js?

...as the path.dirname() of the __filename. Example: running node example.js from /Users/mjr console.log(__dirname); // Prints: /Users/mjr console.log(path.dirname(__filename)); // Prints: /Users/mjr https://nodejs.org/api/modules.html#modules_dirname For ESModules you would want to use: import.me...
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What are all the common ways to read a file in Ruby?

..., x } or File.foreach('testfile') {|x| print "GOT", x } File inherits from IO, and foreach is in IO, so you can use either. I have some benchmarks showing the impact of trying to read big files via read vs. line-by-line I/O at "Why is "slurping" a file not a good practice?". ...
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What's the most efficient way to test two integer ranges for overlap?

... Great answer from Simon, but for me it was easier to think about reverse case. When do 2 ranges not overlap? They don't overlap when one of them starts after the other one ends: dont_overlap = x2 < y1 || x1 > y2 Now it easy to e...
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ArrayBuffer to base64 encoded string

...yteLength; for (var i = 0; i < len; i++) { binary += String.fromCharCode( bytes[ i ] ); } return window.btoa( binary ); } but, non-native implementations are faster e.g. https://gist.github.com/958841 see http://jsperf.com/encoding-xhr-image-data/6 ...
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Using getResources() in non-activity class

...avoid to pass context variables? Then what can we do when we need some api from the activity class? – Alston Sep 15 '19 at 10:44 add a comment  |  ...
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Check if the number is integer

...hange the regex to fix this, but this approach is dreadful. (Comment comes from attribution in the installr package.) – Joshua Ulrich Mar 5 '13 at 15:30 ...
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How to simulate a touch event in Android?

...swipe_monkey.py # # Imports the monkeyrunner modules used by this program from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice # Connects to the current device device = MonkeyRunner.waitForConnection() # A swipe left from (x1, y) to (x2, y) in 2 steps y = 400 x1 = 100 x2 = 300 start = ...