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A simple explanation of Naive Bayes Classification
...sitive =
Prob(Test is positive|Disease) * P(Disease)
_______________________________________________________________
(scaled by) Prob(Testing Positive, with or without the disease)
Now, all this was just preamble, to get to Naive Bayes.
Getting to Naive Bayes'
So far, ...
How to call an external command?
...at you want in a CGI script. The problem is not specific to Python; in the PHP community the problems are the same.
The solution is to pass DETACHED_PROCESS Process Creation Flag to the underlying CreateProcess function in Windows API.
If you happen to have installed pywin32, you can import the fla...
How to properly assert that an exception gets raised in pytest?
...
pytest.raises(Exception) is what you need.
Code
import pytest
def test_passes():
with pytest.raises(Exception) as e_info:
x = 1 / 0
def test_passes_without_info():
with pytest.raises(Exception):
x = 1 / 0
def test_fails():
with pytest.raises(Exception) as e_info:
...
Build an ASCII chart of the most commonly used words in a given text [closed]
...$<.read.downcase.scan(/[a-z]+/)-%w{the and of to a i it in or is}).group_by{|x|x}.map{|x,y|[-y.size,x]}.sort[0,22]
k,l=w[0]
puts [?\s+?_*m=76-l.size,w.map{|f,x|?|+?_*(f*m/k)+"| "+x}]
Instead of using any command line switches like the other solutions, you can simply pass the filename as argumen...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...实例main函数：#include "stdafx.h"#include "stdev.h"#include <map>int _tmain(int argc, _TCHAR* argv[]){std::map<int, int> map_...main函数：
#include "stdafx.h"
#include "stdev.h"
#include <map>
int _tmain(int argc, _TCHAR* argv[])
{
std::map<int, int> map_test;
map_test[0] = 100;...
How to upload files to server using JSP/Servlet?
....xml file:
http://joseluisbz.wordpress.com/2014/01/17/manually-installing-php-tomcat-and-httpd-lounge/#Enabling%20File%20Uploads.
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<multipart-c...
How to create GUID / UUID?
...a UUID from Truly Random or Pseudo-Random Numbers: rfc-archive.org/getrfc.php?rfc=4122
– Jason DeFontes
Sep 19 '08 at 20:28
9
...
C++ preprocessor __VA_ARGS__ number of arguments
...re however you have a macro implementation that does the count:
#define PP_NARG(...) \
PP_NARG_(__VA_ARGS__,PP_RSEQ_N())
#define PP_NARG_(...) \
PP_ARG_N(__VA_ARGS__)
#define PP_ARG_N( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_...
Optional Parameters with C++ Macros
...id PrintString(const char* message, int size, int style)
{
}
#define PRINT_STRING_1_ARGS(message) PrintString(message, 0, 0)
#define PRINT_STRING_2_ARGS(message, size) PrintString(message, size, 0)
#define PRINT_STRING_3_ARGS(message, size, style) PrintString(message, size, styl...
Overloading Macro on Number of Arguments
...
Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar...