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Flatten nested dictionaries, compressing keys
...stance(dd, dict) else { prefix : dd }
Test:
In [2]: flatten_dict({'abc':123, 'hgf':{'gh':432, 'yu':433}, 'gfd':902, 'xzxzxz':{"432":{'0b0b0b':231}, "43234":1321}}, '.')
Out[2]:
{'abc': 123,
'gfd': 902,
'hgf.gh': 432,
'hgf.yu': 433,
'xzxzxz.432.0b0b0b': 231,
'xzxzxz.43234': 1321}
...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
tcp加速技术解决方案tcp-accelerate-report需求和现状行业需求近年来，随着互联网在全球的快速发展和普及，网民数量的增加，生活中各方面对互联网依赖的增强，带来互联网访问量的爆发性增长。 并且随着web页面内容元素越来 ...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...来自己复习，二来与大家分享。]
内存管理模块是操作系统的心脏；它对应用程序和系统管理非常重要。今后的几篇文章中，我将着眼于实际的内存问题，但也不避讳其中的技术内幕。由于不少概念是通用的，所以文中大...
重装系统后硬盘不引导了怎么办？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
重装系统后硬盘不引导了怎么办？重建主引导，可以用DiskGenius软件很好用或者使用磁盘分区表医生：------------------------------------------- 现在的情况是：使用U盘...重建主引导，可以用DiskGenius软件很好用
或者使用“磁盘分区...
How to execute Python scripts in Windows?
...
In Win10 I write test.py 123 and I get 123 printed as sys.argv[1]. Did Microsoft changed something?
– Hrvoje T
Mar 28 '18 at 6:39
...
Using reflect, how do you set the value of a struct field?
...oo struct {
Number int
Text string
}
func main() {
foo := Foo{123, "Hello"}
fmt.Println(int(reflect.ValueOf(foo).Field(0).Int()))
reflect.ValueOf(&foo).Elem().Field(0).SetInt(321)
fmt.Println(int(reflect.ValueOf(foo).Field(0).Int()))
}
Prints:
123
321
...
Unresolved external symbol on static class members
...le looks like:
//myClass.cpp
void myClass::myFunc()
{
myClass::m_nMyVar = 123; //I tried to use this m_nMyVar here and got link error
}
So I add below code on the top of myClass.cpp
//myClass.cpp
int myClass::m_nMyVar; //it seems redefine m_nMyVar, but it works well
void myClass::myFunc()
{
myCl...
SVG gradient using CSS
...4 24h168c13 0 24-11 24-24l0-47c0-13-11-24-24-24h-21v-190c0-13-11-23-24-23h-123z"></path>
</svg>
<svg height="0" width="0">
<defs>
<linearGradient id="lgrad-p" gradientTransform="rotate(75)"><stop offset="45%" stop-color="#4169e1"><...
Is “double hashing” a password less secure than just hashing it once?
...use an ordered list of the most likely passwords. They start with "password123" and progress to less frequently used passwords.
Let's say an attackers list is long, with 10 billion candidates; suppose also that a desktop system can compute 1 million hashes per second. The attacker can test her who...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
CoInitialize浅析一大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数主要是用来初始化COM运行环境。但这个函数的作用域是以线程为单位还是 大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数...