vfs | A http friendly stream based vfs system for node.js | Runtime Evironment library
kandi X-RAY | vfs Summary
kandi X-RAY | vfs Summary
This module is a vfs implementation for node.js. Originally it was created for our internal needs at Cloud9IDE. Eventually it grew to be generally useful so we're releasing it here as a general purpose vfs system. The basic use case for this system is to expose a common http friendly, streaming, filesystem interface. It's doesn't assume http and can be used in other contexts, but it does provide support for http Range requests, ETag based conditional queries, HEAD requests, and file streaming for reading and writing. Also it provides streaming directory listing using weak ETags. Also included is a connect/stack middleware module that allows mounting these vfs instances and exposing them with a simple RESTful API.
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Top functions reviewed by kandi - BETA
- route to the virtual path
- start the HTTP client
- Starts the vfs server .
- WebSocket transport .
- Mount mount .
- Setup handler for web sockets .
- Watch files for changes
- Register watcher callback
- Watch for changes
- Check route .
vfs Key Features
vfs Examples and Code Snippets
Community Discussions
Trending Discussions on vfs
QUESTION
I'm trying to convert a video file (.mp4
) to a Dicom file.
I have succeeded to do it by storing single images (one per frame of the video) in the Dicom,
but the result is a too large file, it's not good for me.
Instead I want to encapsulate the H.264 bitstream as it is stored in the video file, into the Dicom file.
I've tried to get the bytes of the file as follows:
ANSWER
Answered 2022-Feb-09 at 08:59The trick is to redirect the value of the attribute PixelData to a file stream. With this, the video is loaded in chunks and on demand (i.e. when the attribute is accessed). But you have to create the whole structure explicitly, that is:
- The Pixel Data element
- The Pixel Sequence with...
- ...the offset table
- ...a single item containing the contents of the MPEG file
Code
QUESTION
I'm working on converting a simple Python script to R to act as a template for connecting up to SQLite files. The data is on a NFS mount, and we've run into a few snags in setting up the original Python template (namely, IO errors), but we were able to work around them by connecting with read-only mode and setting the VFS to unix-none, e.g.:
...ANSWER
Answered 2022-Feb-08 at 18:52I think it is
QUESTION
I'm writing a char device driver for Linux within a module.
I need to use a module parameter array to display some state information about open devices, but this is not working properly. I'm also using an int parameter (not array) and they are initialized like this:
...ANSWER
Answered 2022-Feb-08 at 03:33This is because module_param_array()
allows one of two options in regards to the third argument (nump
i.e. the count of supplied values):
Pass
NULL
if you want a parameter array of fixed size. In this way, no matter what the user passes when inserting the module (or modifying the parameter through sysfs), the parameter under sysfs will always report all the values of the array. The user can override from zero up to all of the values. If the user does not pass the parameter, the default values will stay unchanged and you will see sysfs report1,2,3
. You can see this as the module always considering the entire parameter array "meaningful".Pass a pointer to an integer for a "dynamically" sized parameter array. The underlying array will still be statically sized, of course, but the semantics are different. The user is now expected to pass up to N (size of the array) parameters, and the number of passed parameters on module insertion (or upon modification through sysfs) is reflected on the count pointer passed to
module_param_array()
. The module should only consider indexes from0
up tocount
meaningful, and the count defaults to0
if the user does not pass the parameter at all.
It seems to me like you coded your module parameter following option #2, and then inserted the module without passing the parameter, meaning that count=0
. What you probably wanted to do was to just go with option #1 instead.
QUESTION
Since my latest update of Xcode, I get repeatedly the following log in my Coredata based app:
...ANSWER
Answered 2022-Feb-03 at 23:47I'm pretty sure this is something you can ignore, that will probably be fixed when iOS 15.4 is out of beta.
According to the SQLite file-open flag documentation,
- Flag value
0x00000020
isSQLITE_OPEN_AUTOPROXY
, for what that's worth - This flag is one of several flags that "...have historically been ignored by
sqlite3_open_v2()
", however... - "...future versions of SQLite might change so that an error is raised if any of the disallowed bits are passed into
sqlite3_open_v2()
"
What this seems to say is that the flag has no effect and hasn't had one for a while, so it doesn't matter if Core Data is using it internally. The message probably means that iOS 15.4 has a newer version of SQLite which has started to print warnings about it but hasn't started causing errors yet.
I'd expect this to be fixed when 15.4 is released, and in the meantime I encourage you to file a bug with Apple just in case.
QUESTION
I have below Bash script where I am trying to Create functions for creating colors for output text in the script, I am trying to call these function into another one but somehow its not working.
I looked around and googled, but didn't get the anything concrete to my situation, Can someone please help we to get, what i am doing wrong?
Script:
...ANSWER
Answered 2022-Feb-03 at 13:32You still have to use command substitution to get the output of ok
et al. to use as an argument to printf
.
QUESTION
I am using esp32cam module with sdcard interface. The image I am able to save in the sdcard. This image opens in Windows PC. Next thing, I have done is to add http_server and in the html page I wanted to access the image from sdcard and using in src attrtibute of img tag. But the html does not display image and in the teraterm log it says it cannot find the file.
...ANSWER
Answered 2022-Jan-23 at 20:33You need to understand what you are doing before doing anything.
You are using the ESP32 HTTP Server API. Have you checked its documentation? It even has an example program.
Now, you have registered a handler for some URI. It probably looks something like this? :) (Or perhaps you changed the uri.)
QUESTION
I have got SLES 15 sp 2 server integrated with Windows 2019 AD server.I could login with ad user id in the Linux systems.However uid/gid are not reflecting from the ad.We have set uid( for eg: uid- > 8000 ),gid,login shell and home directory for user at ad user/group attribute level. Here is the smb.conf file
...ANSWER
Answered 2022-Jan-20 at 13:15If your workgroup is 'ABCDE5' then your your 'idmap config ABC' lines are wrong, they should be 'idmap config ABCDE5'. This has led to your users & groups being put into the '*' domain.
QUESTION
I am Trying to make a shared download as pdf method in my service file. But when i try to call my method in my app component it gives 'Cannot read properties of undefined (reading 'nativeElement')' error. The Download method works perfectly when I call it directly in my app component. #here is my download.service.ts#
...ANSWER
Answered 2022-Jan-14 at 22:18I would suggest to remove the ViewChild located inside your service and to add an addtional parameter to your downlodpdf method of type ElementRef. So you could pass necessarry ElementRefs to the service directly.
@ViewChild is only supported for classes decorated with @Component or @Directive. You can read more inside the angular @ViewChild documentation.
download.service.ts
QUESTION
ANSWER
Answered 2021-Dec-25 at 12:33You will need to specify the text
attribute and you do not need to specify the extend
attribute, unless you want to have dropdown buttons in the collection. This worked for me:
QUESTION
I am currently building an app service on Azure and want to write a PowerShell script to upload/delete files to the app service from the local side. I used Invoke-WebRequest
to upload file and Invoke-RestMethod
to delete file, but Catch [Exception]
received a 405 message back. Do I need to perform identity verification for the Azure connection? How can I quickly implement it?
ANSWER
Answered 2021-Nov-03 at 09:59You can use KUDU VFS API
PUT /api/zip/{path} (Upload a zip file which gets expanded into the specified folder)
DELETE /api/vfs/{path} (Delete the file at path)
You can refer to How can you delete files from an Azure WebApp using powershell?, Is it possible to delete a specific files in a directory of App Service in Powershell?? and Interacting with Azure Web Apps Virtual File System using PowerShell and the Kudu API
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