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How to get existing fragments when using FragmentPagerAdapter
...create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing your App to regain memory) these Fragments won't be created again, but instead their instances retrieved from the FragmentManager. Now say your Activity needs to get a reference to...
Get current time in milliseconds in Python?
...ution to the second, the preferred approach for milliseconds is datetime.
from datetime import datetime
dt = datetime.now()
dt.microsecond
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Understanding how recursive functions work
...der to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
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A type for Date only in C# - why is there no Date type?
...e: Brazil's spring-forward daylight saving time transition moves the clock from 11:59:59 to 01:00:00.
A date-time always refers to a specific time within the day, while a date-only may refer to the beginning of the day, the end of the day, or the entire range of the day.
Attaching a time to a date ...
Is there any difference between a GUID and a UUID?
... authors of the UUID specification and Microsoft claim they are synonyms:
From the introduction to IETF RFC 4122 "A Universally Unique IDentifier (UUID) URN Namespace": "a Uniform Resource Name namespace for UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier)."
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Django DB Settings 'Improperly Configured' Error
... 3) to check some things, I get the weirdest error when I try importing - from django.contrib.auth.models import User -
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How to redirect from OnActionExecuting in Base Controller?
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If the redirected controller inherit from the same baseController where we override the OnActionExecuting method cause recursive loop. Suppose we redirect it to login action of account controller, then the login action will call OnActionExecuting method and redi...
Is it safe to push_back an element from the same vector?
...nd is this article:
http://www.drdobbs.com/cpp/copying-container-elements-from-the-c-li/240155771
Inspection of libc++'s and libstdc++'s implementations shows that they are also safe.
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Laravel blank white screen
...rate application key with the following command in terminal/command-prompt from Laravel root:
php artisan key:generate
This will generate the encryption key and update the value of APP_KEY in .env file
This should solve the problem.
If the problem still exists, then update config/app.php ...
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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