blob Questions

2

How can I search in (put condition on) blob field in oracle, like text fields? I need someting like: select * from table_name where blob_field like '%00ff00ff%' Oracle throws some error on it. ...
Blancheblanchette asked 2/1, 2011 at 10:23

1

Solved

In my site video use the blob data, when the video was downloaded, the saved filename is the blob name with .txt(4671addc-3ce0-4eb6-b414-ddf3406b1fe5.txt) extension in Chrome borwser, while in fire...
Snowberry asked 31/3, 2022 at 3:24

1

Solved

What is the difference between Container and Blob when it comes to Public access level ? (see blue frame on below picture) According to microsoft definition : A container organizes a set of blobs,...
Dorcus asked 12/4, 2022 at 15:9

3

Solved

$("#NoBidsChart").get(0).toBlob(function(value) { saveAs(value, "Summary.jpg"); }); Here i am using Chart JS(v2.5.0) for rendering charts. When i try to export the charts using Canvas to Blob co...
Distinctly asked 27/4, 2017 at 17:49

3

Solved

i'm trying to implement a dynamic loading for an html5 video tag. when a user picks a video file via the <input type="file"> element, i want to load it dynamically to a <video> element...
Prognathous asked 30/9, 2013 at 7:12

3

I have extensively and systematically searched for an answer in stack overflow but haven't been able to find one that fits my needs. I am trying to upload a number of files to Firebase Storage, wh...
Marxist asked 7/4, 2019 at 14:13

1

I am sending request to download zip folder from server, which is sending me below response - (Zip folder in bytes) PK�s�H test.txt~���T*-N-R�R*I-.Q���PK�/[�PK�s�Htest.txt���T*-N- R�R*I-.Q���PK�/[...
Palatinate asked 30/6, 2016 at 9:15

22

Solved

I'm looking for a command line wrapper for the DEFLATE algorithm. I have a file (git blob) that is compressed using DEFLATE, and I want to uncompress it. The gzip command does not seem to have an ...
Coax asked 5/7, 2010 at 9:54

2

Solved

i am using vue.js and found some good examples how to realize this. Currently my API is returning a test-pdf: $snappy = App::make('snappy.pdf'); $html = '<h1>Bill</h1><p>You ...
Shatterproof asked 15/12, 2018 at 17:37

4

Solved

Does anyone know how to convert a Blob into an image with Flutter? It looks like the 'dart:html' library is not available in Flutter. Any help is appreciated. Thank you!
Eveland asked 7/8, 2017 at 14:49

4

Solved

I created a WebSocket connection to my webserver to receive some data. However, when I log the event that I receive in the onmessage function, then I cannot see the real content of the data. When...
Gifu asked 24/1, 2014 at 17:1

5

Solved

I have a DB procedure which returns a BLOB. Can anyone tell me how to manipulate the BLOB? Is there any specific API for this?
Leticialetisha asked 17/10, 2011 at 7:9

2

Solved

CryptoJS v3.1.2, sha1.js rollup In JS I want to calculate the SHA1 of a blob before sending it to the server. On the server I want to calculate the SHA1 of the resulting file and compare it to the ...
Sidneysidoma asked 23/7, 2013 at 19:55

3

How to render an image blob to a canvas element? So far i have these two (simplified) functions to capture an image, transform it to a blob and eventually render the blob on a canvas in this code...
Animatism asked 24/6, 2016 at 2:51

7

Solved

My page generates a URL like this: "blob:http%3A//localhost%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address? I'm using it as an <img>'s src attribute.
Bornholm asked 19/2, 2013 at 7:29

3

Solved

I am attempting to read a BLOB message and display it as a variable in one of my procedures, but am getting the error below: Error - ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW con...
Starwort asked 27/8, 2014 at 4:8

2

I am trying to capture a 5 minute long video from a web cam in a website. I am currently using an html5 video element to display the getUserMedia result stream. Is there anyway for me to get the ...
Prolamine asked 20/10, 2014 at 19:38

2

I have an HTML Web page with a button that triggers a POST request when the user clicks on. When the request is done, the following code is fired: window.open(fileUrl); Everything works great in...
Narrows asked 20/2, 2018 at 18:58

2

Well, the files attribute of an input[type=file] is read-only. Therefore I can not write my blob data into this input element. But if I create a new input file element using Javscript, then possib...
Thinner asked 31/7, 2012 at 12:21

8

I need help with lazy blob loading in Hibernate. I have in my web application these servers and frameworks: MySQL, Tomcat, Spring and Hibernate. The part of database config. <bean id="dataSour...
Eyecatching asked 9/4, 2010 at 6:26

6

Solved

So, when I request my webservice for getting download a zip file, it downloads the file content secretely and all of a sudden, the file appears in the download task bar but already downloaded full ...
Gobble asked 13/12, 2021 at 1:19

4

I'd like to download a video from a website with Python script, however, the video is served by a blob URL as below. <video class="jw-video jw-reset" style="object-fit: fill;" jw-loaded="data"...
Hertha asked 30/12, 2017 at 14:9

2

Since React-native v0.54 and Expo SDK v26, Blob is now supported. I'm trying to download a file available on a URL to my phone (if possible, in my Downloads directory on Android) All I can find for...
Devisable asked 2/7, 2018 at 9:56

1

I am trying to save a blob to localforage and then retrieve it and display it. It works fine for a while, but after a couple of page refreshes or browser closes I get an error on some of the blobs....
Agone asked 14/7, 2021 at 23:51

1

Solved

I am downloading media files (mainly images) from Supabase Storage using from.download() in NodeJS. How can I save the Blob that is returned as a file on my local hard drive?
Quotha asked 6/12, 2021 at 14:38

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