Jupyter Notebook doing funky stuff when opening - jupyter-notebook

I've just opened Jupyter Notebook like I always do, and it began doing some strange stuff, it's impossible to use. I've put up a 40-second video showing what's going on: https://youtu.be/8yDMT82Cju8
Basically upon creating a new notebook, the first cell appears really big (like if someone just pressed enter many times), and then it begins jumping further down. Any action, like typing, clicking, just adds more "lines" to the cell. Some weird xxxxxxxxxx characters show up and disappear randomly. All in all, it's unusable. No, there's no key stuck anywhere in case you thought about that. I've restarted the PC many times as well, to no success.
Funny thing is that this was working just yesterday and no software/hardware was modified in between.

I´ve just finished re-installing Anaconda and the problem has gone.
I'm gonna leave this here in case someone comes across the same issue.

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Wierd behaviour on clicking ctrl-y in termux-linux

So basically i use emmet and coc-completions as a neovim developer in termux (it's an android app that runs linux environment). Today all of the sudden, my ctrl-y button started taking 2-3 sec to even execute. Lemme elaborate what i mean .
enter image description here
Whenever i click ctrl-y, a big "Y" letter comes on the screen and stays for 2 seconds. Which earlier didn't show up and it literally used to take half a second or less. I recall so many things i did before this happened, i am not sure what made it happened. If you have any idea please any help would be greatly appreciated.
So basically what i did is i changed the mapping of emmet code writer to tab from "". The problem now arises with tab, but i don't care as "" is working. Thanks to the guy who helped me :)

Atom text editor colors are changed randomly

In the last couple of months, weird thing happen to Atom on my laptop (and also on my mac - recently tested).
Randomly, the colors of the text editor are being changed completely. Its like the styles.scss is somehow overriden, but it's same as default file, no changes made.
Even clearing window state, or opening on safe mode - doesn't help.
The only thing that helps is re-installing - and also then, after few days of works - suddenly it happens again!
Am i going crazy or this issue is known?
Thank you.

JavaFX app closes when taken off focus

I'm new to an approximately 50K-line Java project using JavaFX, and I'm getting a bug nobody else in the group seems to be able to duplicate. Unfortunately I can't share any code, so this is just a hope that this is a familiar issue to anyone else, or that there are suggestions about how to think about and solve this problem.
The application itself is a launcher with five different modes. The minimum working system requires running two different instances of the application and starting mode #1 in the first and mode #2 in the second. The two communicate with each other over IP.
Mode #1 works fine, stays open indefinitely; at any rate, I haven't been able to make it close unexpectedly. Mode #2 is the problem. After opening Mode #2, if I click on any other window, taking focus off of it, the window disappears within a second or two. I get no error message or any other symptom. The eclipse console just reads at the top. If I don't click elsewhere, it runs several minutes at least without comment.
I have no idea how to go about solving this problem. I can't seem to use a debugger because it doesn't seem to hold onto memory after crashing. There's nothing about crashing when the focus is taken off that matches up with any of my knowledge.
It's a simple window, two buttons, a menu, and an output text box.
With these clues, do you have any suggestions about how to proceed?

clicking or scrolling on terminal outputs text

this is driving me crazy. Everytime I click on the terminal, I get text output but the click does not happen. I can't select anything, scroll on the terminal or perform any mouse operations.
For example, if I click I get things like "TB#TB", which is "TB" when I click and "#TB" when I release the click. If I scroll I get 'UC'` for every scroll of the wheel. Total rubbish.
I'm using cygwin to connect to a redhat machine and it happens only for this one machine. If I connect to a different one, also running redhat, it doesn't happen, so I think the issue is on the remote machine's side. It's also independent of what shell I'm using.
Any ideas?
EDIT: I discovered that pressing shift returns all the usual mouse functionality. I wonder why.
This is more like a "come down to your machine and solve problem"
You must have save default setting for that particular machine to direct it to shift option. As you said shift solves the problem.
You should reset the settings.
go here.
Putty configuration>windows>selection>click on shift overrides application's use of mouse
hope this helps

Strange Error in Xcode 4 that persisted across different versions of the same file

I want to preface this question by admitting that I'm still very much a novice, to Xcode 4 and to development in general. But I find I learn the most when I've made mistakes and been able to discover ways to correct my errors.
So I was mucking about in Xcode, following an example in the book I've been studying, in this case trying to determine why the keyboard wouldn't hide when I touched outside a text field. In the process of experimentation, I tried adding an Outlet to the top level View of a View Controller, dragging into the Header file to automagically create it. I knew almost at once this wasn't what I wanted, and I deleted the reference in Interface Builder, and the code it had added to the other files.
And when I did run the program, it threw an exception. Being new to this, I didn't think to check the log files, and when I couldn't work out what the error was, I restored an earlier version of the project from Time Machine, and tried again -- same result. I restored an even earlier version and tried again -- and got the same error!
When I finally did have the good sense to look at the log file, I noticed the reference to the name of the Outlet I had added, but removed! But these were older versions of the code, before I'd even made that change.
I made a thorough search of the code, and my NIB file, looking for any reference to the deleted Outlet. I couldn't find anything.
I eventually replaced the NIB file with a version from the tutorial from the book I was following (it was identical, and easier than rebuilding it from the bottom up), and all was well, everything ran just fine. But now I'm left wondering -- what could I have done to make this error so persistent, across different versions of the file? I'm already kinda uncertain about the way Xcode 4 will automagically add code under certain circumstances (that's probably more dangerous than useful for the novice), and I wonder if this is a bug in Xcode 4, or if I inadvertently tripped over a useful feature.
Xcode loves to play tricks on you. I've several times gotten an XIB mysteriously hosed up to the point where I had to delete it and start over. No matter what I'd do to the XIB some elements wouldn't display correctly (or at all).
In a recent case I had an XIB with a label with the text "Start date:". I changed that label text to "Treatment date:", but it still kept coming out "Start date:". I opened the XIB as text and scanned for "Start date:" and it wasn't there. So I tried dragging the label off to one side. Then it displayed the correct words. Dragged the label back to the correct place -- back to "Start date:". I finally deleted the label and recreated it and then the text came out correctly.

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