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String comparison in Python: is vs. == [duplicate]
...If you have bool_a == 3 and bool_b == 4, then bool_a != bool_b, but bool_a xor bool_b is false (because both terms are true).
– dan04
Jun 7 '10 at 12:57
3
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What is the preferred Bash shebang?
...through 2018 /usr/bin/env exists on more machines than either of /bin/bash xor /usr/bin/bash, so a script that starts with this line will do the expected thing on as many machines as possible.
– l0b0
Mar 8 '18 at 20:28
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app inventor屏幕属性中的文件范围分别是什么意思？ - App Inventor 2 中文...
...种类型的简述：App [推荐] ：Android 2.2及更高版本上文件将从应用程序特定存储中读取和写入，在 Android 早期版本上，文件将写入兼容存储中。
App的根目录为：/storage/emulated/0/Android/data。读写文件在指定的 files 目录下，如图：（...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
... answered Jan 16 '14 at 22:07
XORXOR
3,81522 gold badges1313 silver badges1010 bronze badges
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What is the difference between memmove and memcpy?
... that way. Thats indeed relevant as most memmove implementations just do a XOR-swap.
– dhein
May 8 '15 at 11:25
3
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日历日程使用指导 · App Inventor 2 中文网
...往手机的系统日历里添加日程（可以设提前几分钟提醒，到时由系统日历弹提醒，App 关着也照样提醒）、
查询某段时间的日程、删除日程；或者打开系统日历的新建日程界面，预先填好内容，由用户自己确认保存。
添加、查...
error C2662: “Screen::move”: 不能将“this”指针从“const Screen”转...
error C2662: “Screen::move”: 不能将“this”指针从“const Screen”转换为“ Screen &” 转换丢失限定符出错代码： 成员函数定义Screen& Screen::move(index r,index c){ index row = r * width; cursor = row + c;...出错代码：
//成员函数定义
Screen& Scr...
What is getattr() exactly and how do I use it?
...alues:
>>> dir(1000)
['__abs__', '__add__', ..., '__trunc__', '__xor__', 'bit_length', 'conjugate', 'denominator', 'from_bytes', 'imag', 'numerator', 'real', 'to_bytes']
>>> obj = 1000
>>> for attr_name in dir(obj):
... attr_value = getattr(obj, attr_name)
... pr...
What does the [Flags] Enum Attribute mean in C#?
...
If you want to exclude a flag from the enumeration, use xor, which is ^ in C#. So if you have myProperties.AllowedColors = MyColor.Red | MyColor.Green | MyColor.Blue;. You can do: myProperties.AllowedColors = myProperties.AllowedColors ^ MyColor.Blue //myProperties.AllowedColors =...
How to remove an item for a OR'd enum?
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What about xor(^)?
Given that the FLAG you are trying to remove is there, it will work.. if not, you will have to use an &.
public enum Colour
{
None = 0, // default value
RED = 2,
BLUE = 4,
GREEN = 8,
YELLOW ...