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Best practice for Python assert
...hanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
self.__x = value
def __set__(self, obj, value):
if value < 0:
raise LessThanZeroException('x is less than zero')
self.__x = value
def __get__(self, obj, ...
How to find the duration of difference between two dates in java?
... a day is not always 24 hours in length. See the correct answers that use either Joda-Time or java.time libraries.
– Basil Bourque
Jun 5 '14 at 18:24
...
Is there an online name demangler for C++? [closed]
I'm getting a fairly long and confusing link error, and would love it if I could just paste it into some textbox on some website and have the names un-mangled for me.
...
Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
...
How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
...
How can I get the client's IP address in ASP.NET MVC?
...answer is to use the HttpRequest.UserHostAddress property.
Example: From within a Controller:
using System;
using System.Web.Mvc;
namespace Mvc.Controllers
{
public class HomeController : ClientController
{
public ActionResult Index()
{
string ip = Request.User...
How do I calculate the date in JavaScript three months prior to today?
... that one month ago means the same day of the month on the previous month citation needed. But more than half the time, that is 31 days ago, not 30. And if today is the 31st of the month (and it isn't August or Decemeber), that day of the month doesn't exist in the previous month.
Interestingly, ...
Get all related Django model objects
... getattr(a, link).all()
for object in objects:
# do something with related object instance
I spent a while trying to figure this out so I could implement a kind of "Observer Pattern" on
one of my models. Hope it's helpful.
Django 1.8+
Use _meta.get_fields(): https://docs.djangoprojec...
Removing duplicate objects with Underscore for Javascript
...5},{a:2},{a:3},{a:4},{a:3},{a:2}];
var uniqueList = _.uniq(list, function(item, key, a) {
return item.a;
});
// uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for comparison
First comparison object with unique return value used...