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What is the most efficient way of finding all the factors of a number in Python?
Can someone em>x m>plain to me an efficient way of finding all the factors of a number in Python (2.7)?
22 Answers
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wkhtmltopdf: cannot connect to m>X m> server
... using wkthmltopdf to convert html to pdf documents on-the-fly on my linum>x m> web server. The program originally needed m>X m>11 or similar m>X m> server to run correctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual m>X m> server in the stati...
How do you convert a byte array to a hem>x m>adecimal string, and vice versa?
How can you convert a byte array to a hem>x m>adecimal string, and vice versa?
45 Answers
4...
How to efficiently build a tree from a flat structure?
...fic object. Enumerate through all the objects and find their parent if it em>x m>ists and update its parent pointer accordingly.
class MyObject
{ // The actual object
public int ParentID { get; set; }
public int ID { get; set; }
}
class Node
{
public List<Node> Children = new List<...
Overcoming “Display forbidden by m>X m>-Frame-Options”
...amed and throw a "Refused to display document because display forbidden by m>X m>-Frame-Options." error in Chrome. I understand that this is a security limitation (for good reason), and don't have access to change it.
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What is the difference between atan and atan2 in C++?
...he sin, cos and tan have the following relationship (where we neglect the em>x m>act multiples of π/2):
Quadrant Angle sin cos tan
-------------------------------------------------
I 0 < α < π/2 + + +
II π/2 < α < π +...
Em>x m>press.js: how to get remote client address
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If you are running behind a prom>x m>y like NGiNm>X m> or what have you, only then you should check for 'm>x m>-forwarded-for':
var ip = req.headers['m>x m>-forwarded-for'] || req.connection.remoteAddress;
If the prom>x m>y isn't 'yours', I wouldn't trust the 'm>x m>-forwarded-for' ...
How does python numpy.where() work?
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How do they achieve internally that you are able to pass something like m>x m> > 5 into a method?
The short answer is that they don't.
Any sort of logical operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolean arrays where the given condition is true).
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Is there a standard sign function (signum, sgn) in C/C++?
...u need to promote and then narrow again. This is branchless and optimizes em>x m>cellently
Standards-compliant! The bitshift hack is neat, but only works for some bit representations, and doesn't work when you have an unsigned type. It could be provided as a manual specialization when appropriate.
Accura...
c++ 写日志通用类，可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...志通用类，可设置日志级别c++ 写日志通用类（windows & linum>x m> 通用），可设置日志级别。代码经过较长时间的测试，可用性高。Logger.h
#ifndef __LOGGER_H_
#define __LOGGER_H_
#include <iostream>
#include <atlstr.h>
#pragma warning(disable:4996)
#defi...