All Questions
215
questions
1
vote
1
answer
143
views
Genexus Blob from Base64 - How to generate &File or put it on Screen wtih GX?
I have a Base64 String (image, png), and i can't show it on screen with &Blob variable on GeneXus.
And i can't populate a &File variable with this &Blob.
Example:
(The blob is a orange ...
- 21
0
votes
0
answers
32
views
Problem Loading Binary File Into MySQL BLOB
I need help loading binary data from a file into MySQL (M)BLOB field. Windows 10 and XAMPP.
I get a strange screen full of errors when I try to load a .bin file into MySQL database MBLOB field using ...
- 81
0
votes
0
answers
14
views
Unzipping files using JSZIP and useState
Why is my State not updating correctly?
My goal was to load files from zip file stored in db to my "Dropbox" clone. Unfortunately I got only last file of zip to load:
zipContent.forEach((...
- 1
1
vote
2
answers
88
views
Cache local File/Image in RAM
The setup
I am working on a vuejs WebApp that loads and displays a lot of images (~10-20k). These images are opened from a network drive.
When the user opens a folder from that drive I collect all ...
- 77
1
vote
3
answers
2k
views
Setting file size on the file constructor
Is there a way we could set the size property of the File object. I will be getting the size as number from the api.
This is what I tried,
const file = new File([''], filename , { size: 100 })
This ...
user16860065
1
vote
1
answer
595
views
Javascript set lastModified date of image file
For example using the code found here: https://stackoverflow.com/a/62189458
I tried to change to this:
const file = new File([blob], fileName, { type: contentType, lastModified: 5000000 })
Looking at ...
- 11
0
votes
0
answers
104
views
Reading byte file from DB2 stored procedure
I'm new to DB2 stored procedures, but I've used IBM data studio to write a stored procedure that exports the content of a table that includes a Blob field to a flat file (using UTL_FILE) - which works ...
- 1
1
vote
1
answer
97
views
How can I write a multiline string into a file without adding characters to the string?
I have a JavaScript function where I'm trying to write a PowerShell script to a PowerShell file. This is the function:
const script =
`$Win32Product= Get-WmiObject -Class Win32_Product | Where Name -...
- 1,537
1
vote
1
answer
961
views
Download image from blob url
I need to download an image from a blob url.
I try using those solution, but none of them worked for me:
Flutter WebView blob pdf download
https://github.com/guoguoguilai/flutter-webview-blob-download
...
- 79
1
vote
0
answers
34
views
Send document to client server from .net server
I have an API that offers a file translation service. I have been able to generate a new the new translated file but I have not been able to get it to the client correctly, because the document ...
0
votes
1
answer
191
views
Is there a way to put a javascript-made file (blob) automatically into a file upload value
I was trying to code a system where a javascript made file would be put into a form where it could be submitted, but I could not a find a way how to do it
I tried putting the file variable into the ...
0
votes
1
answer
177
views
How do I await a .wasm (WebAssembly file) from a Rest API?
I am making a Next.js app that has a page that connects to a REST API. The REST API simply spits out a raw .wasm (WebAssembly) file. I know that sounds atypical but it's 100% necessary for my app. I ...
- 1,072
1
vote
2
answers
784
views
Combine video and audio files together using JavaScript?
Let's say I have two files video.webm and audio.webm. These two files are supposed to be one file combined together, which will become a 'regular' video + audio file. Is this possible using JavaScript?...
-1
votes
2
answers
946
views
How to convert a string to file with UTF-32LE encoding in JS?
Based on this thread I tried to create a blob with utf 32 encoding and BOM of FF FE 00 00(UTF-32LE representation) as follows:
var BOM = new Uint8Array([0xFF,0xFE,0x00,0x00]);
var b = new Blob([ BOM, &...
- 75
2
votes
1
answer
646
views
Reduce File Size Of An Image In A File Upload Preview, Without Affecting The Size Of The File To Be Uploaded - JavaScript
I have some image preview functionality as part of a file uploader that shows the images prior to upload. Within this process the image previews use a htmlImageElement.decode() method that returns a ...
- 828