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How to calculate cumulative normal distribution?
...xample:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you ne...
程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...向DES挑战”的竞技赛。在首届挑战赛上，罗克·维瑟用了96天时间破解了用DES加密的一段信息。1999年12月22日，RSA公司发起“第三届DES挑战赛（DES Challenge III）”。2000年1月19日，由电子边疆基金会组织研制的25万美元的DES解密机以2...
The builds tools for v120 (Platform Toolset = 'v120') cannot be found
...
84
If you have VS2013 installed and are getting this error, you may be invoking the wrong MSBuild....
How to add a browser tab icon (favicon) for a website?
...con-152x152.png" />
<link rel="icon" type="image/png" href="favicon-196x196.png" sizes="196x196" />
<link rel="icon" type="image/png" href="favicon-96x96.png" sizes="96x96" />
<link rel="icon" type="image/png" href="favicon-32x32.png" sizes="32x32" />
<link rel="icon" type="i...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...1.49 10,902.00 1.20
5,000 /[^a-zA-Z0-9]+/g 19,559.40 1.96 10,916.80 1.13
------------------------------------------------------------------------
1,000 /[\W_]+/g 96,239.00 1.65 52,358.80 1.41
1,000 /[^a-z0-9]+/gi 97,584.40 1.18 ...
No newline at end of file
...ile contains:
A() {
// do something
}
Hexdump:
00000000: 4128 2920 7b0a 2020 2020 2f2f 2064 6f20 A() {. // do
00000010: 736f 6d65 7468 696e 670a 7d something.}
You now edit it to
A() {
// do something
}
// Useful comment
Hexdump:
00000000: 4128 2920 7b0a 2020 2020...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...word ptr [ebp+0Ch]
772e9d33 85c0 test eax,eax
772e9d35 0f84d2d20400 je ntdll32!__RtlUserThreadStart+0x25 (7733700d)
当主线程被创建后，系统会跳转到 ndtll32!_RtlUserThreadStart() 开始执行，它最终会调用用户的入口函数。在 RtlUserThr...
Using str_replace so that it only acts on the first match?
...
96
Edit: both answers have been updated and are now correct. I'll leave the answer since the funct...
Number of processors/cores in command line
...
96
The most simplest tool comes with glibc and is called getconf:
$ getconf _NPROCESSORS_ONLN
4
...
How does inline Javascript (in HTML) work?
...
96
You've got it nearly correct, but you haven't accounted for the this value supplied to the inli...