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What's the best way to share data between activities?
... I have two other activities which I would like to be able to use the data from the first activity.
Now I know I can do something like this:
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defaultdict of defaultdict?
... d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, which is the return value of the argument of the last defaultdict i.e. int().
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Intent - if activity is running, bring it to front, else start a new one (from notification)
... Activity pair. I want to display the Activity instance if I get a message from it. Is there any way of doing this. eg: HashMap.get(Messenger).bringActivityToFront(); I mean, the activity is still running. If I open recent task and click it, it will onResume(); Cant I onResume() programatically.
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What's the best way to store Phone number in Django models
...dling
https://github.com/stefanfoulis/django-phonenumber-field
In model:
from phonenumber_field.modelfields import PhoneNumberField
class Client(models.Model, Importable):
phone = PhoneNumberField(null=False, blank=False, unique=True)
In form:
from phonenumber_field.formfields import Phone...
cv2.imshow command doesn't work properly in opencv-python
...rked for me here:
http://txt.arboreus.com/2012/07/11/highgui-opencv-window-from-ipython.html
If you run an interactive ipython session, and want to use highgui
windows, do cv2.startWindowThread() first.
In detail: HighGUI is a simplified interface to display images and
video from OpenCV...
Should *.xccheckout files in Xcode5 be ignored under VCS?
...uch difference. But if you're using a workspace that has multiple projects from different repositories, the presence of an .xccheckout file in the workspace allows Xcode to know what all of the components that make up a workspace are and where to get them.
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Returning JSON from PHP to JavaScript?
... This 'answer' is not complete and rather un-useful. See the answer from aesede for more complete information.
– Funk Doc
May 30 '19 at 16:22
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Remove empty elements from an array in Javascript
How do I remove empty elements from an array in JavaScript?
44 Answers
44
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Ruby / Rails: convert int to time OR get time from integer?
...w time object with the given number of seconds (and optional microseconds) from epoch.
API links
ruby-doc.org/core/classes/Time
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Get current time in seconds since the Epoch on Linux, Bash
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the date manpge should be changed from %s seconds since 1970-01-01 00:00:00 UTC to %s seconds since the epoch, 1970-01-01 00:00:00 UTC because I missed it in there.
– devin
Nov 18 '11 at 19:17
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