Fibonacci series up to n in Python
>>> def fib(n): … a, b = 0, 1 … while b < n: … print b, … a, b = b, a+b … >>> fib(50) 1 1 2 3 5 8 13 21 34
View Articledefine models class in django
__author__ = ‘Administrator’ from django.db import models from django.contrib import admin class AvaliabeSites(models.Model): name = models.CharField(max_length=200) code =...
View ArticleJSON encoder and decoder
>>> import json>>> json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}])'["foo", {"bar": ["baz", null, 1.0, 2]}]'>>> print json.dumps("\"foo\bar")"\"foo\bar">>> print...
View Articledjango, export csv file
in html form <form action=” method="POST"> <input type="text" id=’txtName’ name="txtName" value=txtName> <button value="submit">Submit</button>...
View Articledatetime format in python
# Convert string to datetime from datetime import datetime date_object = datetime.strptime('Jun 1 2013 1:33PM', '%b %d %Y %I:%M%p') date_object = datetime.strptime('2013-2-5', '%Y-%m-%d') # You can use...
View ArticleImplementing a 404 Template in django
Implementing a 404 Template If DEBUG is True, Django displays the useful 404 error page. But if DEBUG is False, then it does something different: it renders a template called 404.html in your root...
View Articleconvert string to datetime in python
from datetime import datetime date_object = datetime.strptime(‘Jun 1 2012 1:33PM’, ‘%b %d %Y %I:%M%p’) notes, the ‘format’ of the datetime string must match the string need to converted to datetime.
View Articlesort and filter by objectid in mongo via python(pymongo)
for example, query collection that the ‘_id’ greater then the given objectid, and get the top 10 latest ones id = ObjectId('50b41c5670b35f4581f6df4f')sourceList = yourDB.Post.find({'_id':{'$gt':...
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