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How to avoid reverse engineering of an APK file?
...ing a payment processing app for Android, and I want to prevent a hacker from accessing any resources, assets or source code from the APK file.
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How to split a string in shell and get the last field
...ng operators:
$ foo=1:2:3:4:5
$ echo ${foo##*:}
5
This trims everything from the front until a ':', greedily.
${foo <-- from variable foo
## <-- greedy front trim
* <-- matches anything
: <-- until the last ':'
}
...
MongoDB or CouchDB - fit for production? [closed]
...mongo in production for over a year now. They are using it for everything from users and blog posts, to every image on the site.
shopwiki is using it for a few things including real time analytics and a caching layer. They are doing over 1000 writes per second to a fairly large database.
If you g...
Generate random integers between 0 and 9
...
Try:
from random import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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Entity Framework Code First - Advantages and disadvantages of Fluent Api vs Data Annotations [closed
...tity Framework code-first, a lot of the database model is can be extracted from the code. Fluent API and/or Attributes can be used to fine tune the model.
...
django urls without a trailing slash do not redirect
...matically redirect to login/, and then serve the latter as the main page:
from django.conf.urls import patterns
from django.views.generic import RedirectView
urlpatterns = patterns('',
# Redirect login to login/
(r'^login$', RedirectView.as_view(url = '/login/')),
# Handle the page wit...
How to extract a floating number from a string [duplicate]
...
You can use the following regex to get integer and floating values from a string:
re.findall(r'[\d\.\d]+', 'hello -34 42 +34.478m 88 cricket -44.3')
['34', '42', '34.478', '88', '44.3']
Thanks
Rex
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django templates: include and extends
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From Django docs:
The include tag should be considered as an implementation of "render this subtemplate and include the HTML", not as "parse this subtemplate and include its contents as if it were part of the parent". Thi...
How do you run a crontab in Cygwin on Windows?
...ndows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like).
8 Answers
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How do I get the object if it exists, or None if it does not exist?
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From django docs
get() raises a DoesNotExist exception if an object is not found for the given parameters. This exception is also an attribute of the model class. The DoesNotExist exception inherits from django.core.exce...