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What is the most pythonic way to check if an object is a number?

...vector or a number is comparing apples to oranges - I can have a vector of strings or numbers, and I can have a single string or single number. You are interested in how many you have (1 or more), not what type you actually have. my solution for this problem is to check whether the input is a singl...
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Get Android Phone Model programmatically

...evice name: /** Returns the consumer friendly device name */ public static String getDeviceName() { String manufacturer = Build.MANUFACTURER; String model = Build.MODEL; if (model.startsWith(manufacturer)) { return capitalize(model); } return capitalize(manufacturer) + " " + model; } ...
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What is JavaScript garbage collection?

...called a "scavenger". A scavenger may refer to a number, an object, a string, whatever. We maintain a list of scavengers -- variables are moved on to the scav list when they come into scope and off the scav list when they go out of scope. Every now and then the garbage collector ru...
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What is the difference between quiet NaN and signaling NaN?

...t out the NaN raw bytes: main.cpp #include <cassert> #include <cstring> #include <cmath> // nanf, isnan #include <iostream> #include <limits> // std::numeric_limits #pragma STDC FENV_ACCESS ON void print_float(float f) { std::uint32_t i; std::memcpy(&i, ...
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”

... tl;dr / quick fix Don't decode/encode willy nilly Don't assume your strings are UTF-8 encoded Try to convert strings to Unicode strings as soon as possible in your code Fix your locale: How to solve UnicodeDecodeError in Python 3.6? Don't be tempted to use quick reload hacks Unicode Zen in ...
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How does #include work in C++? [duplicate]

... words it's perfectly legal for an implementation to declare the name std::string directly or indirectly when using #include <vector>). Despite this however you are required by the language to know and tell the compiler which standard header includes which part of the standard library. This i...
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Difference between .on('click') vs .click()

...ar shortcut methods for "keyup", "focus", etc.) The reason I'm posting an extra answer is to mention what happens if you call .click() with no parameters: $("#whatever").click(); // is a shortcut for $("#whatever").trigger("click"); Noting that if you use .trigger() directly you can also pass ex...
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Python __str__ versus __unicode__

...ck with them for compatibility reasons. Generally, you should put all your string formatting in __unicode__(), and create a stub __str__() method: def __str__(self): return unicode(self).encode('utf-8') In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). ...
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Can someone explain Microsoft Unity?

...f Dependency Injection in ASP.NET Web API 2 public interface IShape { string Name { get; set; } } public class NoShape : IShape { public string Name { get; set; } = "I have No Shape"; } public class Circle : IShape { public string Name { get; set; } = "Circle"; } public class Rectang...
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Cleaner way to update nested structures

...nt = 3, superMode: Boolean = false) scala> @zip case class Game(state: String = "pause", pacman: Pacman = Pacman()) scala> val g = Game() g: Game = Game("pause",Pacman(3,false)) // Changing the game state to "run" is simple using the copy method: scala> val g1 = g.copy(state = "run") g...