Questions tagged as 'blob'

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Show Blob in an image in Visualforce

I have a text field enriched in an object in salesforce in which I have to save an image that the user will insert this image from an inputFILE. This I already manage to make the image to base64 and I keep it in the object but now I occupy to s...
asked by 06.05.2018 / 17:25
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save canvans in variable blob of mysql with a post ajax and php

I need your help a week ago I am trying to store an image of a Canvas in a mysql table, the column of the table is of type longblob. the HTML is as follows: <!DOCTYPE html PUBLIC > <head> <meta http-equiv="Content-Type" content=...
asked by 05.02.2018 / 17:54
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save photo in 2 different tables java oracle database

I am 2 days ago trying to save a photo in 2 different tables of a database, the weird thing is that in the first table it saves the image but in the second one, I do not pass the code: @Override public void GrabarFoto(InputStream uploadedI...
asked by 02.02.2018 / 11:28
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slider in js problems to read the BLOB images

I have a code that works perfectly on another website, but in this one that is a renewal it is giving me problems, I attach the error and the code:    (!) SCREAM: Error suppression ignored for   (!) Warning: mysql_num_rows () expects paramete...
asked by 30.05.2017 / 20:39
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Javascript - use FileReader with Promises

var reader = new FileReader(), file1 = new Blob(['Hola'],{type : 'text/plain'}), file2 = new Blob(['Mundo'],{type : 'text/plain'}), result = null; reader.addEventListener('load',function(event){ result =...
asked by 04.05.2017 / 20:19
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How to convert a file file to String base 64 with javascript in jsp?

A help, I need to convert the file file (photo jpg) to String base64 and send it as a String through the json or my action reserve.    The jsp view where I declare the File    Json where I send the values entered to the reserve acti...
asked by 20.11.2017 / 12:51