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Scale Image to fill ImageView width and keep aspect ratio
...-scale as needed keeping aspect ratio.
scaleType="centerInside"
if the intrinsic width of src is smaller than parent widthwill center the image horizontally
if the intrinsic width of src is larger than parent widthwill make it as wide as the parent allows and down-scale keeping aspect ratio.
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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...器类型为deque。
定义stack 对象的示例代码如下：
stack<int> s1;
stack<string> s2;
stack 的基本操作有：
入栈，如例：s.push(x);
出栈，如例：s.pop(); 注意，出栈操作只是删除栈顶元素，并不返回该元素，使用top()访问元素。
访问栈...
Passing a std::array of unknown size to a function
...e question):
template<std::size_t SIZE>
void mulArray(std::array<int, SIZE>& arr, const int multiplier) {
for(auto& e : arr) {
e *= multiplier;
}
}
Here is a live example.
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Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
...
You could convert it to an array and then print that out with Arrays.toString(Object[]):
System.out.println(Arrays.toString(stack.toArray()));
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Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...COUNTER and VALUE.
First set all registers to 0;
Every time you receive an integer I, increment COUNTER and set VALUE to max(VALUE, I);
Then send an ICMP echo request packet with data set to I to the router. Erase I and repeat.
Every time you receive the returned ICMP packet, you simply extract the ...
Array Size (Length) in C#
...lements of a.
If b is a rectangular multi-dimensional array (for example, int[,] b = new int[3, 5];)
b.Rank
will give the number of dimensions (2) and
b.GetLength(dimensionIndex)
will get the length of any given dimension (0-based indexing for the dimensions - so b.GetLength(0) is 3 and b.Get...
Factors in R: more than an annoyance?
... my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something.
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unsigned int vs. size_t
I notice that modern C and C++ code seems to use size_t instead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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How to randomly pick an element from an array
I am looking for solution to pick number randomly from an integer array.
12 Answers
12...
Write to UTF-8 file in Python
...e help? I need to append a string (paragraph) to a text file. Do I need to convert that into an integer first before writing?
– Mugen
Apr 2 '18 at 12:40
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