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Can't install via pip because of egg_info error
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143
Found out what was wrong. I never installed the setuptools for python, so it was missing some v...
Is there any way to check if iOS app is in background?
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William Denniss
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answered Apr 29 '11 at 18:24
DavidNDavidN
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Get the last non-empty cell in a column in Google Sheets
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answered Nov 17 '11 at 1:54
Sam Plus PlusSam Plus Plus
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Screenshot Apps for iPhone simulator [closed]
...ardware->Device->iphone(Retina). You will be able capture images in 640 × 960 using cmd+S .
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Java: Equivalent of Python's range(int, int)?
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answered Nov 27 '12 at 17:40
Simon SteeleSimon Steele
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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What is the easiest way to initialize a std::vector with hardcoded elements?
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554
One method would be to use the array to initialize the vector
static const int arr[] = {16,2,77...
Detecting iOS / Android Operating system
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404
You can test the user agent string:
/**
* Determine the mobile operating system.
* This fun...
iPhone UITextField - Change placeholder text color
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edited Jun 22 '14 at 15:36
answered Dec 4 '12 at 3:08
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How do I add multiple arguments to my custom template filter in a django template?
...mple, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if arg...