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Key hash for Android-Facebook app
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Here are the steps-
Download openssl from Google code (If you have a 64 bit machine you must download openssl-0.9.8e X64 not the latest version)
Extract it. create a folder- OpenSSL in C:/ and copy the extracted code here.
detect debug.keystore file path. If u d...
getResourceAsStream returns null
I'm loading a text file from within a package in a compiled JAR of my Java project. The relevant directory structure is as follows:
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fork() branches more than expected?
...However, what printf() really does is buffer its output. So the first dot from when there were only two processes does not appear when written. Those dots remain in the buffer—which is duplicated at fork(). It is not until the process is about to exit that the buffered dot appears. Four proces...
How to explain callbacks in plain english? How are they different from calling one function from ano
How to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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redis-py : What's the difference between StrictRedis() and Redis()?
...tRedis.
2017-03-31
Here are the specifics of the backwards compatibility, from the github.com link cited:
In addition to the changes above, the Redis class, a subclass of StrictRedis, overrides several other commands to provide backwards compatibility with older versions of redis-py:
LREM: Order o...
How to expire session due to inactivity in Django?
...ession is expired. something like this should handle the whole process...
from datetime import datetime
from django.http import HttpResponseRedirect
class SessionExpiredMiddleware:
def process_request(request):
last_activity = request.session['last_activity']
now = datetime.now...
NameError: name 'reduce' is not defined in Python
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You can add
from functools import reduce
before you use the reduce.
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Reading an Excel file in python using pandas
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How do you prevent it from turning the first row into headers? I've tried using the parameter headers=Nonebut while it didn't break the code, it didn't work either.
– Elliptica
Jul 23 '16 at 1:03
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How to convert latitude or longitude to meters?
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For approximating short distances between two coordinates I used formulas from
http://en.wikipedia.org/wiki/Lat-lon:
m_per_deg_lat = 111132.954 - 559.822 * cos( 2 * latMid ) + 1.175 * cos( 4 * latMid);
m_per_deg_lon = 111132.954 * cos ( latMid );
.
In the code below I've left the raw numbers ...
How to get the home directory in Python?
...nt to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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