mbase | Metaprogramming framework for .net | Interpreter library
kandi X-RAY | mbase Summary
kandi X-RAY | mbase Summary
MBase is a metaprogramming framework built on top of .NET. It is designed for rapid prototyping and high quality implementation of custom programming language compilers, but can also serve as a robust and flexible embeddable scripting engine. Applications are not limited to .NET platform, since MBase can be used to implement compilers targeting other platforms - JVM, LLVM, C, etc. MBase consists of a core language and a library of micro-DSLs.
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QUESTION
I am using FirebaseUI library for my social app. I was able to retrieve posts by all users into a recyclerview. My goal is to have another option where users can view and edit their own posts. I cant seem to get user specific posts from the database, how do I go about doing this? Also I'm using a recyclerview within a Fragment
Database Structure
PostAdapter
...ANSWER
Answered 2022-Mar-23 at 23:10The relevant code is:
QUESTION
I made my own way to animate the ImageView, but I'm pretty sure that there's a better approach that is short and won't cause a memory leak when the activity is destroyed.
The code that animates the image:
...ANSWER
Answered 2022-Mar-15 at 16:59The better option would be to
- define your animation in xml.
- Load it using AnimationUtils library.
- Attach the animation to the view.
Step 1: Create a new animation resource file. (res/anim/mySuperAnimation.xml)
QUESTION
I am developing an app and I have a problem. I started recording GPS position, but data started to be too much. So I implemented a Button to cancel anything is under "Location" (or under "latitude" and "longitude", it is the same for me). The problem is that nothing seems to be canceled into the database. I am facing this problem for 2 days and I am stuck. This is my DB:
This is the code I used:
...ANSWER
Answered 2022-Jan-31 at 13:35The problem is that nothing seems to be canceled into the database.
That's happening most likely because you are trying to delete a huge amount of data. If you want to remove everything that exists under the Location
node, then you should consider deleting a reasonable number of items one at a time. That can be done on the client, but you can also write a function in Cloud Functions for Firebase, to achieve the exact same result.
QUESTION
I am having a memory leak in my MainActivity.java which was detected by LeakCanary. This is my Leak Trace.
...ANSWER
Answered 2021-Dec-26 at 10:37Check all the data members of your Activity there is some data member which is outliving your activity's lifecycle.
Also check in what places you are passing the activity context and MainActivity.this instance.
Lastly check what callbacks / lambda's are associated with this activity there could be a case that one of your class's member is being shared with some other class like a recycler view adapter which could lead to a leak.
As a thumb rule when working on memory leak issues I encapsulate most if not all data passing with WeakReference that way you are both safe from NPE plus you get benefit of a decoupled class.
Edit - As shared in the comment below using weak reference is a bad practice and there are better ways to resolve memory leaks. Kindly check the answer from @Pierre or link to the comment posted below.
QUESTION
The MainActivity
gets leaked after the second time the orientation changes, but only after navigating to a new destination using the navHostController
.
A working project where this can be reproduced is available here.
These are the reproduction steps:
- Run the app (it will load the
FooScreen
, that only contains aTopAppBar
and aButton
). - Click the "Open Bar screen"
Button
(it will load theBarScreen
, that only contains aTopAppBar
) - Change the orientation of the device from portrait to landscape
- Change the orientation back to portrait
At this point you should see StrictMode
complaining about the leak inside the logcat:
ANSWER
Answered 2021-Nov-13 at 10:45The leak is actually a bug in the navigation compose library and a fix will be available with the next release: https://issuetracker.google.com/issues/204905432#comment4
QUESTION
I'm using the paging 3 android library with the RxJava source. I have two fragments, the first displays a list of images in a grid, when an image is clicked the second fragment is shown and it displays the image in fullscreen and has a ViewPager to swipe between images. Because those use the same data I figured I can use a shared view model, in both fragments I have
...ANSWER
Answered 2021-Nov-02 at 01:29As recommended by @dlam, I used a switchMap
.
QUESTION
The app works perfectly but in LeakCanary I get a leak every time I close the app or pause it.
I also tried to delete authListener but still the leak remains.
I have tried to solve in many different ways but without success, can anyone help me?
My implementations are:
...ANSWER
Answered 2021-Jul-03 at 13:53The Firebase
Android client SDK is causing a memory leak and many users are facing it.
This is filed as an internal bug on the Github repository firebase/firebase-android-sdk issue #2387.
QUESTION
I am using leakcanary and it detects leaks in standard bottom sheet behaviour. But I can't fix this issue,
How can I fix that leak? Ref my leak canary report.
standardBottomSheetBehaviour
...ANSWER
Answered 2021-Apr-12 at 18:22You need to make standardBottomSheetBehavior
nullable then in FragmentTripPlanner.onDestroyView()
, you need to clear the reference to standardBottomSheetBehavior
since it has a reference to standardBottomSheet
QUESTION
I'm a little stuck, to create FirebaseRecyclerOptions that should present the results in recursive in database
I mean if I had in Data base (Crossfit - > APR_09_2021 -> 10_12 -> "some data collection")
So I noticed if I didn't pass the specific path to "some data collection" so it can't retrieve the data
I mean: DatabaseReference mbase = FirebaseDatabase.getInstance().getReference().child("Crossfit").child(APR_09_2021)
So my question how do I get all results from the database.
for all the dates that I have under the CrossFit
Thanks.
ANSWER
Answered 2021-Apr-10 at 06:30You cannot do that with your actual database structure. When you are using the following reference:
QUESTION
Upon trying to load a "log viewer" I'm building, the original pre-set layout doesn't show as output. I do get the appropriate output from my Firebase database, but the layout is all messed up/way too spaced. What am I doing wrong?
This is my LogActivity Class public class LogActivity extends AppCompatActivity {
...ANSWER
Answered 2021-Mar-19 at 18:06You are getting the following warning, as it's not an Error nor an Exception:
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