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What's the best way to store a group of constants that my program uses? [closed]
...
+1, but even better if you can pull these from a resource file for localization.
– Joel Coehoorn
Nov 12 '09 at 17:46
17
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What is token-based authentication?
... Am I correct in thinking that in a web application, one (or more) cookies from the remote web site performs the function of the token?
– AJP
Dec 9 '12 at 14:10
31
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
From my main activity , I need to call an inner class and in a method within the class, I need to show AlertDialog . After dismissing it, when the OK button is pressed, forward to Google Play for purchase.
...
How exactly do Django content types work?
...Blah blah, let's dive into some code and see what I mean.
# ourapp.models
from django.conf import settings
from django.db import models
# Assign the User model in case it has been "swapped"
User = settings.AUTH_USER_MODEL
# Create your models here
class Post(models.Model):
author = models.Forei...
Why are dates calculated from January 1st, 1970?
...ing is standard.
Two Dozen Epochs
Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various computing environments over the decades have used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) t...
How to convert R Markdown to PDF?
...g.,
render("input.Rmd", "pdf_document")
Command-line:
When I run render from the command-line (e.g., using a makefile), I sometimes have issues with pandoc not being found. Presumably, it is not on the search path.
The following answer explains how to add pandoc to the R environment.
So for exam...
python generator “send” function purpose?
...ite coroutines
def coroutine():
for i in range(1, 10):
print("From generator {}".format((yield i)))
c = coroutine()
c.send(None)
try:
while True:
print("From user {}".format(c.send(1)))
except StopIteration: pass
prints
From generator 1
From user 2
From generator 1
From u...
What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
... behavior differences:
dependencies are installed on both:
npm install from a directory that contains package.json
npm install $package on any other directory
devDependencies are:
also installed on npm install on a directory that contains package.json, unless you pass the --production flag (g...
What is the difference between bottom-up and top-down?
...pically, you would perform a recursive call (or some iterative equivalent) from the root, and either hope you will get close to the optimal evaluation order, or obtain a proof that you will help you arrive at the optimal evaluation order. You would ensure that the recursive call never recomputes a s...
ImportError: No module named PIL
...rsions of) PIL.
You can get more information about how to use this module from the official tutorial.
PS: In fact, on some installs, import PIL does work, which adds to the confusion. This is confirmed by an example from the documentation, as @JanneKarila found out, and also by some more recent ve...