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Getting visitors country from their IP
..."];
if ($deep_detect) {
if (filter_var(@$_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP))
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
if (filter_var(@$_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP))
$ip = $_SERVER['HTTP_CLIENT_IP'];
...
Entity Framework: table without primary key
I have an existing DB with which I would like to build a new app using EF4.0
18 Answers
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Convert Pixels to Points
I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
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How to do a scatter plot with empty circles in Python?
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Try the following:
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(60)
y = np.random.randn(60)
plt.scatter(x, y, s=80, facecolors='none', edgecolors='r')
plt.show()
Note: For other types of plots see this post on the use of markeredgecolor and markerfacecolor.
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Cannot find Dumpbin.exe
I do not see dumpbin.exe on my system. I have Visual Studio 2005 on my system. When I type dumpbin on the command line, it says unrecognizable command.
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Check if string begins with something? [duplicate]
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This can be made more generic like so: var x = "/sub/1"; if (pathname.substring(0, x.length) === x) { // ... };. This way you're no longer reliant on knowing the length of x as it may change.
– The Crazy Chimp
Jul 12 '15 at 1...
Finding the average of a list
...arUser then you should calc k = 1.0/len(l), and then reduce: reduce(lambda x, y: x + y * k, l)
– Arseniy
May 14 '14 at 5:09
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Is it pythonic to import inside functions?
... your module is by what it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One other point, I prefer to get an ImportError exception...
What is stack unwinding?
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Stack unwinding is usually talked about in connection with exception handling. Here's an example:
void func( int x )
{
char* pleak = new char[1024]; // might be lost => memory leak
std::string s( "hello world" ); // will be properly destructed
if ( x ) throw std::runt...
How do I remove code duplication between similar const and non-const member functions?
Let's say I have the following class X where I want to return access to an internal member:
19 Answers
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