blob Questions
2
Solved
While I was working with a table containing a BLOB column:
SELECT id FROM table WHERE blob_column LIKE '%something%';
...I got the following error:
ORA-22835: Buffer too small for CLOB to CHAR or...
3
I try to read an Oracle BLOB field and show the content i a richTextBox. The examples i find with google are almost the same but still i can't get it to work.
I know that the BLOB field contains se...
Crankle asked 29/1, 2017 at 17:44
2
Solved
I have a big blob for a rar file. To uncompress it I had to use this library unrar.js
The blob I am testing with is about 23MB, to readAsArrayBuffer then feed it to unrar.js I had to slice it.
F...
Darnelldarner asked 12/2, 2016 at 21:35
3
Here is my code:
<Image source={BlobImage} style={{ height: 200, width: null, flex: 1 }} />
Where BlobImage is an image in blob string like thisc916851b-3e53-432d-8d18-3de293776859?offset=...
Becka asked 19/4, 2018 at 7:37
4
I currently have a blob of type 'image/jpeg' that I need to convert to a base64 string. All my code is in a independent javascript file using Nodejs and is not connected with any html files. Every ...
Spokeshave asked 8/1, 2019 at 21:13
1
I have a WKWebView, but when I click on a link that has the following URL:
blob:https://www.mycase.com/2963c6c0-24c1-418f-a314-88f7a2dbc713
Nothing happens. Reading the documentation it describe...
2
Solved
I'm downloading a zip file with axios. For further processing, I need to get the "raw" data that has been downloaded. As far as I can see, in Javascript there are two types for this: Blobs and Arra...
Linnlinnaeus asked 28/2, 2020 at 14:46
5
How to convert blob to base64/image?
I am getting this blob through API call and I am trying to display it in a
image. I have tried with stackoverflow answers but nothing could help so
I just tr...
Anaxagoras asked 25/6, 2018 at 8:47
4
Solved
I have been trying to upload a local image to my blob container folder using Postman.
Here is the link I am using to get the Javascript code to generate the signature.
var key = "[Storage acco...
Inhalator asked 19/10, 2017 at 16:47
5
Solved
I have a PDF file on a local machine. I want to upload this file into a BINARY BLOB on a SQL database. Other approaches mentioned here [Binary Data in MySQL all use PHP. I want a simple clean way t...
5
Solved
What is the fastest way to export files (blobs) stored in a SQL Server table into a file on the hard drive? I have over 2.5 TB of files (90 kb avg) stored as varbinary and I need to extract each on...
Avarice asked 25/4, 2012 at 23:42
10
Solved
I am allowing the user to load images into a page via drag&drop and other methods. When an image is dropped, I'm using URL.createObjectURL to convert to an object URL to display the image. I am...
Wolcott asked 9/8, 2012 at 3:0
6
Solved
I have a DataURL from a canvas that shows my webcam. I turn this dataURL into a blob using Matt's answer from here: How to convert dataURL to file object in javascript?
How do I convert this blob ...
Rucker asked 18/4, 2014 at 8:26
3
Solved
I am getting multiple Base64 URIs of JPG images.
I need to save them as jpg files.
I'm trying to use FileSaver.js, but its not working for me.
I have used filesaver.js before, when I was getting im...
Tusk asked 25/9, 2017 at 12:53
8
I'm trying to implement Git to manage creative assets (Photoshop, Illustrator, Maya, etc.), and I'd like to exclude files from Git based on file size rather than extension, location, etc.
For exam...
Synchromesh asked 27/10, 2010 at 17:8
6
Following code works in Chrome (22.0) but not in Safari (6.0)
<!DOCTYPE html>
<html>
<head>
<script>
function onGo(e) {
var fr = new FileReader();
var file = document.get...
Erased asked 5/11, 2012 at 12:14
5
I am trying to access the first few lines of text files using the FileApi in JavaScript.
In order to do so, I slice an arbitrary number of bytes from the beginning of the file and hand the blob ove...
Catchment asked 17/2, 2021 at 15:19
6
Solved
I have an SQLite table that contains a BLOB I need to do a size/length check on. How do I do that?
According to documentation length(blob) only works on texts and will stop counting after the first...
2
I am doing some Integration tests with jest & nock to test Axios interceptors chaining.
In one of them, I am expecting to receive a Blob instance
and according to this link, I should be able to...
Tetrasyllable asked 16/12, 2020 at 17:26
8
Solved
I'm developping a reactJs application. I'm using jest to test my application.
I want to test a function that download a blob.
But unfortunately I receve this error:
URL.createObjectURL is not a...
Saphra asked 24/10, 2018 at 12:26
6
Solved
In our application we give the user the abilty to upload a document to a windows azure blob storage account. After uploading the document or image it gets assigned some url (https://name.blob.core....
Kaleighkalends asked 4/8, 2012 at 4:41
4
Solved
I have a text area that contains text that I want to output to a text file for users to download.
I'm using this function to grab it when users click the save button
function saveTextAsFile()
{
...
Tannen asked 4/10, 2013 at 20:36
4
Solved
Is it possible to insert into a BLOB column in oracle using sqldeveloper?
i.e. something like:
insert into mytable(id, myblob) values (1,'some magic here');
Collected asked 20/9, 2011 at 17:40
4
Solved
In my Vue app I receive a PDF as a blob, and want to display it using the browser's PDF viewer.
I convert it to a file, and generate an object url:
const blobFile = new File([blob], `my-file-name...
Samoyed asked 29/11, 2018 at 21:55
3
Solved
I am trying to download a file from a website using flutter, I first used evaluateJavaScript and changed some values before clicking a generate button which is supposed to download an appropriate p...
Cerallua asked 16/11, 2020 at 21:28
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