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When to use MongoDB or other document oriented database systems? [closed]
...t used MongoDB in production, but I have used it a little building a test app and it is a very cool piece of kit. It seems to be very performant and either has, or will have soon, fault tolerance and auto-sharding (aka it will scale). I think Mongo might be the closest thing to a RDBMS replacement t...
NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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What are the pros and cons of performing calculations in sql vs. in your application
...cially:
complexity of calculations (prefer doing complex crunching on an app-server, since that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot of data, doing it at the db server will save bandwidth, and disk io if the aggregates can be d...
Plurality in user messages
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If there is ever any chance, no matter how small, that this app will need to be translated to other languages then both are wrong. The correct way of doing this is:
string message = ( noofitemsselected==1 ?
"You have selected " + noofitemsselected + " item. Are you sure you want to...
How to reset db in Django? I get a command 'reset' not found error
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Unfortunately this does not work on individual apps like manage.py reset <appname> did. It results in an error: CommandError: Command doesn't accept any arguments
– Andre
May 6 '13 at 19:20
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How do you create a transparent demo screen for an Android app?
...ransparent demo screen that is launched only when a user first installs my application. Here's an example from the Pulse News app:
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How can I find script's directory with Python? [duplicate]
...he latter, I end up with the relative path instead of the absolute path. Wrapping your solution in os.path.realpath() solved this problem.
– Adam Stewart
May 29 '18 at 15:43
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How do you unit test a Celery task?
...your test:
from nose.tools import eq_
def test_add_task():
rst = add.apply(args=(4, 4)).get()
eq_(rst, 8)
Hope that helps!
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Android - implementing startForeground for a service?
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@DoctorOreo: It needs to be unique within the app, though not necessarily unique on the device. I chose 1337 because, well, it is 1337. :-)
– CommonsWare
Feb 17 '12 at 17:40
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How can I set the default timezone in node.js?
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Another approach which seemed to work for me at least in Linux environment is to run your Node.js application like this:
env TZ='Europe/Amsterdam' node server.js
This should at least ensure that the timezone is correctly set alrea...