blob Questions

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I want to record user's microphone 5 seconds long segments and upload each to the server. I tried using MediaRecorder and I called start() and stop() methods at 5 seconds time interval, but when I ...
Southeastwards asked 13/7, 2018 at 12:29

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Although, I have served quite some years in webdevelopment, I have to admit that I don't really know how (big) file uploads actually work. So I hope this question makes sense after all. In my app I...
Digestion asked 27/11, 2021 at 9:3

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how can i get the "filesize" from a string in php? I put the string in a mysql database as a blob and i need to store the size of the blob. My solution was to create a temp file and put the strin...
Edwinedwina asked 18/8, 2010 at 10:31

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Given is the follwing model on GAE: avatar = db.BlobProperty() By calling the image instance properties height or width (see documentation) with: height = profile.avatar.height the following ...
Janejanean asked 25/1, 2011 at 17:27

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I've just upgraded a 5.1.4. app to 5.2 and am trying to swap out Paperclip for ActiveStorage. At the moment when trying to update an existing record with an image, I get the following error: Una...
Socialization asked 12/5, 2018 at 14:50

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I'm trying to fetch some binary data (MP3) from a server and then store it in a file: var fs = require ('fs'); var fetch = require ('node-fetch'); fetch ( audioUrl, { method: 'GET', headers: ...
Vassalize asked 20/7, 2018 at 14:35

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I have a difficult question to you, which i'm struggling on for some time now. I'm looking for a solution, where i can save a file to the users computer, without the local storage, because local st...
Gamber asked 28/8, 2014 at 11:15

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Getting the error error TS2304: Cannot find name 'ClipboardItem' when trying to create a ClipboardItem for navigator.clipboard.write(). const clipboardItemInput = new ClipboardItem({'image/png' :...
Constrictor asked 13/4, 2020 at 11:57

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I've written code that uses Angular $http to download a file. The name of the file is not specified in the URL. The URL contains a unique identifier for the file, which is fetched from outside the ...
Forever asked 9/10, 2015 at 20:48

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I am trying to see from an SQL console what is inside an Oracle BLOB. I know it contains a somewhat large body of text and I want to just see the text, but the following query only indicates that ...
Meliorate asked 6/5, 2009 at 8:41

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Does amazon s3 support batch uploads? I have a job that needs to upload each night ~100K of files that can be up to 1G but is strongly skewed towards small files (90% are less than 100 bytes and 9...

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I have to send a Blob as a String and convert it back to an Blob. The method blob.text() returns a promise with it's content as a String. But how can i convert this string back to a blob? I want to...
Sheaff asked 6/7, 2021 at 19:21

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From a http request, a blob (b) (type application/octet-stream) is downloaded and then needs to be processed, it contains a json object. I tried the following: var reader = new FileReader(); read...
Dreadnought asked 21/3, 2019 at 16:10

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I have an array of Blobs (binary data, really -- I can express it however is most efficient. I'm using Blobs for now but maybe a Uint8Array or something would be better). Each Blob contains 1 secon...
Argus asked 14/5, 2018 at 15:16

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I have a string that I called Blob() on: var mystring = "Hello World!"; var myblob = new Blob([mystring], { type: 'text/plain' }); mystring = ""; How do I get the string back out? function ge...
Geary asked 12/4, 2014 at 0:2

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While trying to access all files of the Azure blob folder, getting sample code for container.ListBlobs(); however it looks like an old one. Old Code : container.ListBlobs(); New Code trying : con...
Polanco asked 15/8, 2018 at 9:4

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We are developing an E-commerce website using ASP.net and SQL server. The customer can view and order a wide variety of switches and light fittings. As we need to display images of these prod...
Pneumococcus asked 20/4, 2015 at 11:22

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I have problem very similar to this PDF Blob - Pop up window not showing content, but I am using Angular 2. The response on question was to set responseType to arrayBuffer, but it not works in Angu...
Renaud asked 5/5, 2016 at 8:42

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I'm trying to get string from BLOB datatype by using Blob blob = rs.getBlob(cloumnName[i]); byte[] bdata = blob.getBytes(1, (int) blob.length()); String s = new String(bdata); It is working fin...
Lundquist asked 1/7, 2013 at 8:48

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I'm writing code that's traversing big amounts of picture data, preparing a big delta block containing it all compressed for sending. Here's a sample on how this data could be [MessagePackObject]...

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I'm trying to open/download an PNG blob image of a website. I used network to find the image but it only display it as plain text. I'm confused why the small preview image in the list shows the...
Nadanadab asked 29/2, 2020 at 11:23

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I found blob:https://www.facebook.com/c7e5a634-2343-4464-a03e-4a1987301ca1 video source on Facebook's private group and I really can't download the video by entering the url nor am I able to decode...
Pedroza asked 17/2, 2018 at 16:23

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I need to convert iTextPDF Document file to byte[] after it's created in memory. I have already tested that I've no problem with creating PDF properly. The problem is how to convert it to byte arra...
Delaney asked 10/8, 2012 at 7:32

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This is a follow up for my previous question: Blob and Storage Requirement I did some testing using SHOW TABLE STATUS, and found out that the total disk space used actually only depends on the siz...
Boraginaceous asked 20/1, 2012 at 18:38

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I have an Api that returns the data in the format of { fileName: string, blob: Blob }[] I want to print all these files, so I am using _files.forEach((_fileInfo) => { const blobUrl = URL.creat...
Bregenz asked 31/7, 2020 at 7:42

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