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How can I apply a function to every row/column of a matrix in MATLAB?
...tors — <, <=, >, >=, ==, ~=
Logical operators — &, |, xor
Bit-wise functions — bitand, bitor, bitxor
Elementary math functions — max, min, mod, rem, hypot, atan2, atan2d
For example, you can calculate the mean of each column in a matrix A,
and then subtract the vec...
实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...压力可想而知，此时我们虽然可以通过针对数据库使用主从复制，分片等技术来缓解问题，但那毕竟只是治标不治本。
我们的目标是实现一个简单的服务端推方案，但简单绝对不意味着简陋，轮询数据库是不可以接受的，下面...
未能从“const std::string”为“const std::_Tree &”推导 模板 参数 - C/...
未能从“const std::string”为“const std::_Tree &”推导 模板 参数参考：http: www tsingfun com html 2016 dev_0630 1876 html参考：https://www.tsingfun.com/it/cpp/1876.htmlstl 模板 参数
App Inventor 2提示“请从下拉列表中选择合适项”错误解决方法 - App Inven...
App Inventor 2提示“请从下拉列表中选择合适项”错误，如下：
虽然是一个错误，但是代码根本没有问题，而且测试起来功能等一切正常，但就是提示这个错误。
其实解决方法非常简单，就是把错误后面的代码块中下拉选择...
Why is a boolean 1 byte and not 1 bit of size?
... Not sure I would agree that bitwise operations are slow. ands, nots, xors etc are very fast. It is typically the implementation of the bitwise operations that are slow. At the machine level they are quite fast. Branching... now that is slow.
– Hogan
Ja...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
.frame frame_number
Windbg查看全局变量:
a.直接把鼠标移动到全局变量上,就能显示值了.
b.watch窗口里面,把那个全局变量输进去.
入侵模式调试
在默认情况下，当我们用CDB调试一个已经运行的进程时，它通常作为全功能的调试器...
Or versus OrElse
...her to VB where four logical operators: And, AndAlso, Or, OrElse, Not, and Xor are both, logical and Bitwise operators.
– Jean-François
May 9 '19 at 16:50
add a comment
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How to get elements with multiple classes
...ast one class)
var list = document.querySelectorAll(".class1,.class2");
XOR (one class but not the other)
var list = document.querySelectorAll(".class1:not(.class2),.class2:not(.class1)");
NAND (not both classes)
var list = document.querySelectorAll(":not(.class1),:not(.class2)");
NOR (not ...
filename and line number of python script
..., '__rpow__', '__rrshift__', '__rshift__', '__rsub__', '__rtruediv__', '__rxor__', '__setattr__', '__sizeof__', '__str__', '__sub__', '__subclasshook__', '__truediv__', '__trunc__', '__xor__', 'bit_length', 'conjugate', 'denominator', 'imag', 'numerator', 'real']
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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
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