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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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.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...
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 ...
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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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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Mysql substr和Oracle substr区别 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
Mysql substr和Oracle substr区别Oracle substr(字符串，开始索引、从0起，长度)Mysql substr或substring(字符串，开始索引、从1起，长度)Oracle substr(字符串，开始索引、从0起，长度)
Mysql substr或substring(字符串，开始索引、从1起，长度)Mysql Orac...
subtle differences between JavaScript and Lua [closed]
...xample, if foo ~= 20 then ... end.
Lua 5.3 and up use ~ for binary bitwise XOR, whereas JS uses ^.
In Lua, any type of value (except nil and NaN) can be used to index a table. In JavaScript, all non-string types (except Symbol) are converted to strings before being used to index an object. For exam...
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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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...您当前的架构中， 同时可以保护你的web服务器不被暴露到网络上。
下图是HAProxy的架构：
下图是HAProxy的监控页面截图：
HAProxy实现了一种事件驱动, 单一进程模型，此模型支持非常大的并发连接数。多进程或多线程模型受...
未能从“const std::string”为“const std::_Tree<_Traits> &”...
http://blog.csdn.net/mfcing/article/details/44157227