Questions tagged [unmount]

92 questions
3
votes
1 answer

useEffect clean up being called on mounting

I have a functional component react version is 17 export default function Comp(props){ . . . useEffect(() => { return () => {// cleanup console.log("Called!") } }, [...dependiences]) } I have another button that mounts…
Ahmed Gaafer
  • 1,603
  • 9
  • 26
3
votes
2 answers

How remove or unmount React App from a website properly

In my website, i have a button to launch an react app in a specific div. When i click upon it, i create a react root div and render the react app inside. What is the proper way to close it?
NadfriJS
  • 175
  • 1
  • 2
  • 10
3
votes
4 answers

Mount and unmount hard drives

How can I mount and unmount hard drives (platform independent, so no using Runtime to execute a hard-coded command) in the Java Programming Language?
user238033
3
votes
1 answer

unmount event after changing a page

I have some code inside a component that detects if that component is visible on scroll. That code looks like: constructor(props) { super(props); this.handleScrollAnimation = this.handleScrollAnimation.bind(this); } …
saunders
  • 969
  • 4
  • 14
  • 25
3
votes
1 answer

Can I "safely remove" a USB device from Android OTG, after writing files to it?

This regards Android Lollipop 5.0 and above only. We have a custom device that can be mounted as a file system over USB. I've written an Android app that lets the user mount the device with OTG, after which we update files on the device. That part…
Bill Evans
  • 71
  • 6
3
votes
1 answer

Programmatically mounting USB storage on android 4.2.1

I've search and searched here, and no topics come close to answering the question. Mounting and unmounting a USB stick from within a rooted APK. I've been successful in doing it from the command line via adb as follows: prompt>> mount -t vfat -o rw…
user1762148
  • 51
  • 1
  • 4
3
votes
1 answer

how to create a folder in sdcard programmatically that can be shown directly in windows and in the phone

I created an android application in which it creates a folder that stores data, but I want it to be shown right away in windows when the usb is connected. right now, it can only be seen after i restarted the mobile device or mount and unmounted the…
She Smile GM
  • 1,322
  • 1
  • 11
  • 33
2
votes
0 answers

Can we mount/unmount a device/disk/usb on Mac using Cocoa Swift?

I am trying to mount a device that was ejected/unmounted by this API unmountAndEjectDevice(at:) https://developer.apple.com/documentation/appkit/nsworkspace/1530469-unmountandejectdevice but I am unable to find an API that can help me remount the…
Kamal Wadhwa
  • 21
  • 2
  • 7
2
votes
0 answers

fuse takes too long time to mount /root/.cache/doc and /root/.cache/gvfs when I run any file manager as root

This is the case where I have Ubuntu 20.04 LTS Desktop 64-bit freshly installed and that I execute the command "sudo nautilus": Unmounting and then deleting these directories unfortunately does not solve my problem because they are recreated the…
Mario Palumbo
  • 693
  • 8
  • 32
2
votes
1 answer

How to unmount (close the mount) for sshfs Windows?

I've seen lots of posts dexcribing how to mount a remote directory on the local Windows machine using sshfs-win. But I don't know how to close the mount (unmount), once I'm done? I really appreciate your help.
Hossein
  • 21
  • 1
  • 2
2
votes
1 answer

How to destroy screen on navigation.onback()

I'm using a stack navigator and on navigation.goBack(null)} I want to destroy current screen, I've seen other replacements like using .replace instead of .navigate but I want to do such thing on .goBack.
SAQ
  • 55
  • 10
2
votes
5 answers

how can I setState in unmount Component in React

How can we setState in componentDidMount hook within an argument? My problem is the warning of React notify that: Warning: Can't call setState (or forceUpdate) on an unmounted component. This is a no-op, but it indicates a memory leak in your…
Thuan Nguyen
  • 876
  • 3
  • 16
  • 32
2
votes
1 answer

Don't unmount child if parent unmounts

I have a component that I want to render in a new browser window and I'm using roughly this technique: https://hackernoon.com/using-a-react-16-portal-to-do-something-cool-2a2d627b0202 This is a short extract of it: class MyWindowPortal extends…
2
votes
1 answer

Unmounting SMB share folder

I mounted a SMB share folder under /mnt/smb/ and I can access the files. When I unmount this shared folder using command: umount /mnt/smb/ naturally I cannot list shared folder contents using command: ls /mnt/smb/ But the problem is when I run the…
Reza
  • 179
  • 1
  • 5
  • 12
2
votes
3 answers

ReactJS - setState error when unMounting and Mounting

I am new to React so I may not understand the correct concept of thinking. I want to do auto update data component that can me mounted and unmounted. This is a error that I get when I unmounted and then mounted component: Warning: setState(...):…
Jan
  • 167
  • 2
  • 5
  • 16