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What's the best way to share data between activities?
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Here a compilation of most common ways to achieve this:
Send data inside intent
Static fields
HashMap of WeakReferences
Persist objects (sqlite, share preferences, file, etc.)
TL;DR: there are two ways of sharing data: passing d...
PostgreSQL ERROR: canceling statement due to conflict with recovery
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
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developer.android.com has nice example code for this:
https://developer.android.com/guide/topics/providers/document-provider.html
A condensed version to just extract the file name (assuming "this" is an Activity):
public String getFileName(U...
How to get a number of random elements from an array?
...d suggest using Python's implementation if you are going for speed: jsperf.com/pick-random-elements-from-an-array
– Derek 朕會功夫
Aug 7 '17 at 23:29
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How to cancel/abort jQuery AJAX request?
... But the problem is before the AJAX request if the previous request is not completed I've to abort that request and make a new request.
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How to get current user, and how to use User class in MVC5?
...nding the user profile:
Overview of Identity: https://devblogs.microsoft.com/aspnet/introducing-asp-net-identity-a-membership-system-for-asp-net-applications/
Example solution regarding how to extend the user profile by adding an extra property: https://github.com/rustd/AspnetIdentitySample
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Espresso: Thread.sleep( );
...rstand that its a sample, you can copy/paste and modify for own needs. Its completely yours responsibility to use it properly in own business needs, not mine.
– Oleksandr Kucherenko
Jul 5 '16 at 14:57
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How should I use git diff for long lines?
...lay of the output of git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you mi...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...me concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP operations that lie outside of Retrofit/Picasso.
Volley roughly competes with Retrofit + Picasso...
Fragments within Fragments
...ndroid 4.2 (and Android Support Library rev 11) : http://developer.android.com/about/versions/android-4.2.html#NestedFragments
NOTE (as per this docs): "Note: You cannot inflate a layout into a fragment when that layout includes a <fragment>. Nested fragments are only supported when added to...