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如何查看Android应用.apk是32位还是64位？ - App应用开发 - 清泛IT社区，为创新赋能！
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上述步骤正面检测不出来，adb 命令待验证。不过从侧面（编译环境和java都是64位）基本可以认定，它是支持64位的。
What does |= (single pipe equal) and &=(single ampersand equal) mean
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I think you want to use a XOR instead of an AND for this.
– GameZelda
Aug 4 '11 at 13:59
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How to reverse a singly linked list using only two pointers?
...out using a third. Simply cast the pointers to a int/long and perform the XOR operation a couple of times. This is one of those C tricks that makes for a fun question, but doesn't have any practical value.
Can you reduce the O(n) complexity? No, not really. Just use a doubly linked list if yo...
How can I map True/False to 1/0 in a Pandas DataFrame?
...r: numpy boolean subtract, the -` operator, is deprecated, use the bitwise_xor, the ^ operator, or the logical_xor function instead.` Using @User's answer fixes this.
– Amadou Kone
Mar 13 '19 at 16:01
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Is there XNOR (Logical biconditional) operator in C#?
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XOR = A or B, but Not A & B or neither (Can't be equal [!=])
XNOR is therefore the exact oppoiste, and can be easily represented by == or ===.
However, non-boolean cases present problems, like in this example:
a = 5
b =...
Calculate last day of month in JavaScript
...0 : 31 days
That means you can shift the value 3 places with >> 3, XOR the bits with the original ^ m and see if the result is 1 or 0 in bit position 0 using & 1. Note: It turns out + is slightly faster than XOR (^) and (m >> 3) + m gives the same result in bit 0.
JSPerf results: ...
写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...些债是前人留下的你就不去管，现实是没有多少机会让你从一个清爽清新的项目开始做起，你不得不去面对这些，你也没法完全不跟这些所谓的烂代码打交道。
因此我建议各位：当你负责一个小模块时，除了把它做好之外，也...
Using the field of an object as a generic Dictionary key
...You might want to start with the Equals-Method and then (in GetHashCode()) xor the hash code of every member you compare in Equals.
public class Foo {
public string A;
public string B;
override bool Equals(object other) {
var otherFoo = other as Foo;
if (otherFo...
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...不关我的事啊，我什么都不知道嘛。的确，wireless fidelity 从头到尾都没有出现在 Interbrand 的提案中。但在敲定 Wi-Fi 这个名字之后，Wi-Fi 联盟的部分老学究不理解何谓品牌和市场，始终不能接受一个生造出来的词没有所谓的含义...
Code Golf: Lasers
...ation in the main loop, we update $d if the beam is currently on a mirror. XOR'ing by 3 gives the correct behavior for a \ mirror and XOR'ing by 1 gives the correct behavior for a / mirror.
$d^=3*/\\/+m</>
Next, the current position $r is updated accoring to the current direction.
$r+=(1,-...