"Plugin incompatible with the new build found: Markdown support" - android-studio

I was just about to update Android Studio to the version 3.1, but this warning made me to stop and think a little bit:
I tried to search for it and even read here and there again without finding nothing specifically related to the Markdown support.
I'd just like to know more about the consequences of ignoring this warning before updating and, if possible, to have more info about the Markdown support.
I thank you in advance for the attention!

It seems it's nothing much, just an usual warning indeed.
Just after I did a test update, the following report popped up:
Then it allowed me to briefly update the Markdown support to the version 2017.1.20170419 - 173.4301.21.

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How to downgrade Kotlin version

I've build a complete empty Project and I got this error:
e: This version (1.0.0-alpha13) of the Compose Compiler requires Kotlin version 1.4.30 but you appear to be using Kotlin version 1.4.32 which is not known to be compatible. Please fix your configuration (or suppressKotlinVersionCompatibilityCheck but don't say I didn't warn you!).
What can I do? (Sorry for this dumb question, but I'm complete new to Kotlin)
Thanks, Boothosh
You can go to Plugins in the IDE settings and uninstall the Kotlin one there, and do Install From Disk (under the gear icon) and use one of these: https://plugins.jetbrains.com/plugin/6954-kotlin/versions - you'd probably need to update your gradle files too (I haven't done any of this before so I can't tell you if it works or if you'll run into problems)
Why not just use a newer version of Compose though? They're up to beta 6 now - I can't even see an alpha 13 listed! Seems like a better idea all round, unless there's a really specific reason you need that version you're using?

Android Studio Not Recognizing Imports in TextView

I want to watch android sources code, but Android Studio has so many errors in base Android code. How do I fix these?
Since no one has jumped in here to help with this...
The longer answer here is that the imports (in red) are failing because Android Studio can't find them. So all the calls made to those libraries are failing. So ALL your code after that is full of errors.
For instance, the android.annotation.ColorInt seems to be broken. A quick Google search provides THIS: https://developer.android.com/reference/android/support/annotation/ColorInt.html
Which tells me that the reason that dependency is broken is because whatever you have there is deprecated and should now use a new reference.
Continue with this sort of research and your problem is solved.

Warning LNK4098 and LNK1123 when working with OpenGL in VC++

So I'm trying to get the first exercise in the OpenGL Superbible 5th edition to run. It should draw a triangle. I've managed to fix all of my dumb typos. Now I'm down to just two error messages, one of which I think is familiar;
1>LINK : warning LNK4098: defaultlib 'LIBCMT' conflicts with use of other libs; use /NODEFAULTLIB:library
1>LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
I think I stumbled across LNK1123 when I first used C++, and I fixed it by disabling 'Incremental Linking' in the project settings. However, when I try this now, though the program does run and a window does open, no triangle is drawn, and I'm given a list of errors relating to OpenGL tools. And LNK4098 is still there as well.
This is my first project using library imports. Although it was a minefield trying to get it to work, I finally got the graphics libraries GLEW and freeGLUT into my project, by adding them to the project's include path list, and then adding them as existing items to the project. But I suspect that this method has upset the mighty VC++. Could someone please help?
This has nothing to do with OpenGL. This error is basically telling you that you are using the multi-threaded version of Microsoft's C standard library in a project that is already linking to another version of the library.
The interesting thing is that newer versions of MSVC do not have different versions of the C standard library for threaded vs. non-threaded. Thus, your MSVC version is relevant information that is absent from the question.
In any case, the linker warning actually tells you exactly how to resolve the warning. You can add /NODEFAULTLIB:libc to the linker command in your project settings. There is usually an edit-box in the project settings to accomplish this as well, but since its location varies from version to version, adding this to the command-line is simpler.
As for the COFF issue, this is related to the generation of debug symbols in an incremental linking project. /INCREMENTAL:NO should fix this issue. Regarding the cause of it, have you installed different versions of MSVC on this system in the past?

Xamarin Studio: Why all the whitespace in Debug.WriteLine() output after update?

I output a lot of information by way of Debug.WriteLine() when programming in Xamarin.iOS. But with the latest version of Xamarin Studio (4.0.10 (build 7)) there is now a ton of whitespace and duplicate output text when I use Debug.WriteLine().
Is there a way that I can suppress all this extra output, or at least have a little more control over it? Using Console.WriteLine() solves the problem, but I would prefer to use Debug.WriteLine() so that it is removed from the release build.
Might be a little late, but I had already logged a bug for this - still unresolved.
https://bugzilla.xamarin.com/show_bug.cgi?id=13538

Eclipse 3.2.2 content assist not finding classes in the project

In Eclipse 3.2.2 on Linux content assist is not finding classes within the same project. Upgrading above 3.2 is not an option as SWT is not available above 3.2 for Solaris.
I have seen suggestions to clean the workspace, reopen the workspace, run eclipse with the -clean command, none of which has worked.
Go to Java/Editor/Content Assist/Advanced in Preferences, and make sure that the correct proposal kinds are selected. Same kind of thing happened to me when I first moved to 3.4.
Thanks for your last comment it worked partially.
If there is any kind of errors, the content assist wont work. Once fixed, it partially works.
I say partially because, there appear to be a bug, when I do Perl EPIC inheritance ex:
package FG::CatalogueFichier;
use FG::Catalogue;
our #ISA = qw(FG::Catalogue);
use strict;
, the inheritted subroutines are not displayed in the content assist.
Are you sure that "build automatically" in the Project menu is checked? :-)
Another thing: is the Problems view, unfiltered, completely clear of compilation errors and of classpath errors?
I sometimes find I "lose" content assist because the "content assist computers" get disabled.
This is in:
[Workspace]\.metadata\.plugins\org.eclipse.core.runtime\.settings
org.eclipse.jdt.ui.prefs
and I just have to remove this property:
content_assist_disabled_computers=

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