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What is the optimal Jewish toenail cutting algorithm?
... five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
if abs(a-b) == 1:
...
What is 'Context' on Android?
... things like getResources().getColor() which will hook you into the colors.xml resource (nevermind that aapt enables access to resources via java code, that’s a separate issue).
The upshot is that Context is what enables access to system resources and its what hook components into the “greater...
How to check if an app is installed from a web-page on an iPhone?
...eported/suggested by others).
This can be served on a local server, e.g. python -m SimpleHTTPServer and viewed on iOS Safari.
To play with it, press either the "Open an installed app" or "App not installed" links. These links should cause respectively the Maps app or the App Store to open. You ...
How to disable Django's CSRF validation?
...F for class based views the following worked for me.
Using django 1.10 and python 3.5.2
from django.views.decorators.csrf import csrf_exempt
from django.utils.decorators import method_decorator
@method_decorator(csrf_exempt, name='dispatch')
class TestView(View):
def post(self, request, *args,...
What is the difference between JSF, Servlet and JSP?
...lets to listen to a certain HTTP URL pattern, which is configurable in web.xml, or more recently with Java EE 6, with @WebServlet annotation.
When a Servlet is first requested or during web app startup, the servlet container will create an instance of it and keep it in memory during the web app's li...
git pull while not in a git directory
...it version. I did it like this: apt-get install software-properties-common python-software-properties then add the git repo add-apt-repository ppa:git-core/ppa. The last step is to update git: apt-get update && apt-get upgrade.
– ph3nx
May 30 '14 at 12:...
Const before or const after?
...as a permissive or restricted language is a value judgement. E.g., should python have a ++ operator? "The sentence", imho, helped me realize there wasn't any particular reason other than because they could. Maybe they'd make a different choice today/maybe not.
– ragerdl
...
Regular expression to extract text between square brackets
...
(?<=\[).*?(?=\]) works good as per explanation given above. Here's a Python example:
import re
str = "Pagination.go('formPagination_bottom',2,'Page',true,'1',null,'2013')"
re.search('(?<=\[).*?(?=\])', str).group()
"'formPagination_bottom',2,'Page',true,'1',null,'2013'"
...
How to create Gmail filter searching for text only at start of subject line?
...e complete source).
You could also do this via IMAP as described here:
Python IMAP search for partial subject
and script something to move messages to different folder. The IMAP SEARCH verb only supports substrings, not regex (Gmail search is further limited to complete words, not substrings), f...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...
Thanks, was trying to access mysql from a python application using pymysql. Got error saying "Host is not allowed to connect to this MariaDB server", solved that by adding a new user given [here]( stackoverflow.com/questions/19101243/…), then got another error sayi...