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How can I check if an ip is in a network in Python?
...hows you can do it with socket and struct modules without too much extra effort. I added a little to the article as follows:
import socket,struct
def makeMask(n):
"return a mask of n bits as a long integer"
return (2L<<n-1) - 1
def dottedQuadToNum(ip):
"convert decimal dotted q...
How to get the file extension in PHP? [duplicate]
...ed to use string functions. You can use something that's actually designed for what you want: pathinfo():
$path = $_FILES['image']['name'];
$ext = pathinfo($path, PATHINFO_EXTENSION);
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What is the difference between varchar and varchar2 in Oracle?
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As for now, they are synonyms.
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never...
What are attributes in .NET?
What are attributes in .NET, what are they good for, and how do I create my own attributes?
11 Answers
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Difference between Convert.ToString() and .ToString()
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good.. For this specific reason only they using. two methods?
– TinTin
May 13 '10 at 15:48
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Pros and Cons of Interface constants [closed]
...er patterns (strategy or perhaps flyweight), there is something to be said for not needing a half dozen other classes to represent a concept. I think what it boils down to, is how likely is there a need for other constants. In other words, is there a need to extend the ENUM provided by the constan...
iOS UIImagePickerController result image orientation after upload
...geOrientationUp) return self;
// We need to calculate the proper transformation to make the image upright.
// We do it in 2 steps: Rotate if Left/Right/Down, and then flip if Mirrored.
CGAffineTransform transform = CGAffineTransformIdentity;
switch (self.imageOrientation) {
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Get all related Django model objects
How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE).
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...mah at all. I was just trying to hook up my own error reporting I've used for years in a way that works well with MVC. Your code gave me a starting point. +1
– Steve Wortham
Nov 18 '09 at 3:29
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JSON serialization of Google App Engine models
I've been searching for quite a while with no success. My project isn't using Django, is there a simple way to serialize App Engine models (google.appengine.ext.db.Model) into JSON or do I need to write my own serializer?
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