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Are arrays passed by value or passed by reference in Java? [duplicate]
...le references or a primitive type?
Short answers: 1) pass by value, and 2) it makes no difference.
Longer answer:
Like all Java objects, arrays are passed by value ... but the value is the reference to the array. So, when you assign something to a cell of the array in the called method, you wi...
When to use std::forward to forward arguments?
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124
Use it like your first example:
template <typename T> void f(T && x)
{
g(std::...
Is there a simple way to delete a list element by value?
...
21 Answers
21
Active
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How do you check if a JavaScript Object is a DOM Object?
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How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
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241
+25
To conf...
Further understanding setRetainInstance(true)
... code for FragmentRetainInstance.java (as of API 16):
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* ...
How to check if a file contains a specific string using Bash
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482
if grep -q SomeString "$File"; then
Some Actions # SomeString was found
fi
You don't need [[...
In a javascript array, how do I get the last 5 elements, excluding the first element?
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362
You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first e...
Build a Basic Python Iterator
... def __iter__(self):
return self
def __next__(self): # Python 2: def next(self)
self.current += 1
if self.current < self.high:
return self.current
raise StopIteration
for c in Counter(3, 9):
print(c)
This will print:
3
4
5
6
7
8
This is ...