how to update outdated version of heroku app - heroku

I have an app that was running on an older version of heroku and it no longer works, so I updated to the new stack but now I’m having trouble redeploying. I’ve played around with a few commands in the CLI but none I’ve seen on here have worked for me. Do I have to redeploy for the changes to take effect or is there a workaround? Any help would be much appreciated.

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Divio Windows App hangs at Preparing Logs

I have installed the WIndows 10 Divio App as per the Divio Tutorial but when I select setup a project it hangs at Preparing logs... in the shell on the desktop and cannot see logs are anyway to investigate this. I have tried the solution in this question here How to debug problems with the Divio app?
However, this does not work, any help would be appreicated.
Managed to fix this, I did it by following the guide here:
https://divio-cloud-developer-handbook.readthedocs.io/en/latest/introduction/01-installation.html
Essentially installed everything via the command line and then once that was running I could then sync the Divio app to the project folder which in turn allowed me to use the Divio app. Total PITA but it worked :)

Nativescript sidekick latest update ( Version: 1.14.1-v.2018.11.23.3 (latest) )

I have just updated sidekick( or he did because i turned my mac off, and when i returned the sidekick updates automatically) and since this, i have been experiencing a lot of problems that i didn´t have for example this morning...he simply get´s stuck on the "Refreshing application on device..." and does nothing else...a few minutes ago was asking me to do it manually( which i didn´t had to do before) but if after that i update something on my code, then he get´s stuck...i´m bulding locally and i´m using my iphone 6´s.
Could anyone please tell me what is going on?!?!
Regards

App running in Intellij-IDEA is extremely slow

I have an app which I want to run in intellij-idea using run button. The task which everyone of us do almost every day. Yesterday everything was working fine but today it is somehow extremely slow. It will get built fast but when it is being run it is extremely slow.
I have no other big processes running, it is just intellij-idea.
My app is gradle project. When I build it and start it using gradlew everything is smooth as it was yesterday. I have the latest version of intellij-idea ultimate. Also I have tried reinstalling it but the problem remains the same.
Can someone help me with what might cause this problem ?
I was searching all day for the answer but I am not able to find any. It is frustrating.
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xCode 6.1.1 slow and keeps freezing

I'm having some trouble working with xCode. It just keeps hanging and using 100% CPU right after a couple lines of code. I'm working on a new project and it barely has two files and it has become completely imposible to work with.
I tried reinstalling xCode and starting my project from scratch but it won't work.
I noticed three things that may help someone find out what it's going on.
It's slow even when typing, the characters appear delayed on the screen.
It keeps saying indexing on the task bar on top. If I clean the project it will disappear but come back whenever I start working again.
It overheats as soon as I open xCode
And here's some other facts that might help
I'm running xCode 6.1.1 (build 6A2008a)
My Mac is a mid 2012 MacBook pro 8GB Ram
I did a fresh install of Yosemite a month after it was released, so it's pretty clean.
I'm using the latest build of Xampp for my SQL server
I'm using nodejs as a backend so I'm running an http with nodemon
Hope any of you has a solution to this.
Thanks and merry christmas to all of you.
EDIT
I found out that it will build just fine if I remove my conditional cast to NSInteger, NSString, Float, etc. I have like 8 of them one after the other, and just replacing as? for as did the trick. I'm curious as for why this is happening anyway though.
Similar problems on 6.1.1 (but also source kit crashes) were improved (but not completely resolved) for me by deleting derived data.

How do you install a Ruby on Rails apps on Windows/IIS?

I'm trying to get Redmine working on Windows/IIS 7. I've found several walkthroughs online, but none of them work on my Windows Server 2008 R2 box. I got a simple app (create app, no customization) to get as far as RoR error, but Redmine itself shows a 500 error (ruby.exe exited unexpectedly). I installed sqlite since some guides mention that, though Redmine uses MySQL by default. I started with the Bitnami installer and tried to customize for IIS, RorIIS, FastCGI, lots of things that look like they should work, but this problem is killing me.
If I run ruby.exe from the command line, passing it the path to the dispath.fcgi file I get an error: "The procedure entry point SetMagickMemoryMethods could not be located in the dynamic link library CORE_RL_magick_.dll". I had to install the rmagick gem myself which seemed strange since everything worked perfectly under Apache. I really thought it would be a smooth cut-over since it's up and running already and just changing web server.
Any help is much appreciated.
I've tried a lot to install Redmine on Windows environment under IIS. There's very little (or none) documentation about it. Lost many days on this. In the end, I decided to stick to the Bitnami stack of Redmine. The only caveat is that we had to use another port (8080, in our case), that's it. I gave up the idea of integrating Redmine/RoR with IIS and never looked back. Everything is working great in production now and everyone is happy about it around here.
Sorry I can't give a better answer than that, I'm just sharing some recent experience. I was obsessed about integrating RoR/ISS until I realized it was not a real requirement, it was just something I stuck into my mind. Think about it.

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