base64 Questions
1
I have a source file with a large byte array representing an image.
Below an example (in reality it can be any random data):
const uint8_t image_test_image[] ={
0x00, 0x01, 0x02, 0x03, 0x04, 0x05,...
2
Solved
I want to encode the following string in Base64Url in Flutter and decode it in on a Dart server.
"username:password"
How do I do that? And how do I do it in Base64?
3
I need to use a command line on Windows OS to generate the base64 data of a specific file on the screen (without generating a file).
I have see that on Unix system is sufficient to use
cat <file...
Driggers asked 5/1, 2021 at 10:37
2
I have a encoded string which was encoded using below command on linux machine,
cat <file-name> | gzip | base64 -w0
And I am able to decode and string using below method,
echo '<encode...
3
Solved
I am just making a general markdown page to share a design guide with everyone on the project. I would like to know how I can hard code the images I use into the .md file. I do not want to have to ...
3
Solved
I would like to convert the response of react-native-document-picker to base64 format. As a response I get the Uri of the file but unfortunately no base64.
this is my code:
const openDocumentFile =...
Haslet asked 4/1, 2021 at 15:42
5
Solved
What I want to do here is before Dropzone.js send the dropped image to the server, a modal appears with cropper.js (fengyuanchen script) so the user can crop the image, and when image is cropped, s...
Osteoclast asked 1/4, 2015 at 16:49
21
I have a string and want to test using PHP if it's a valid base64 encoded or not.
Clonus asked 25/11, 2010 at 14:29
6
Can someone help me display a Base 64 encoded image using vue.js?
Basically I have an image object:
img = {
encodedImage: '/9x/4AFQSkZJRgABAXAASABIAAD...'
}
I know that in pure HTML i can do s...
10
Solved
HTML5 enable you to store data locally which I think it is great. For example here is how you can use it:
var store = window.localStorage;
store.setItem('foo', "hellow world");
var test =...
Zymase asked 11/6, 2012 at 15:3
4
Solved
I saved a search in https://news.google.com/ but google does not use the actual links found on its results page. Rather, you will find links like this:
https://news.google.com/articles/CBMiUGh0dHB...
Cuman asked 2/7, 2018 at 8:23
6
Solved
I have an embedded HTML email in which I'm using a base64 encoded image. Image doesn't show in gmail when accessing via chrome. But it works fine when accessing same mail via mail client(Mail appli...
Genarogendarme asked 17/10, 2017 at 6:13
8
Solved
I know how to encode / decode a simple string to / from base64.
But how would I do that if the data is already been written to a FileStream object. Let's say I have only access to the FileStream ...
Datcha asked 2/10, 2013 at 9:41
2
I am receiving binary data in a string. I want to encode that into Base64. Is there any class to do that operation (I want an API).
Prenomen asked 17/6, 2011 at 11:50
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
5
I'm trying to encode a database string using base64 on the command line in linux.
Once I do I add the value to a secret in kubernetes but my application is failing to connect to the database due to...
Polycrates asked 28/6, 2021 at 13:6
3
Solved
In this article and this XKCD, they both show the password data as groupings of hexadecimal.
However, in the file it's base64 encoded. What could I use to match that output with bash scripting? I'...
Undies asked 7/11, 2013 at 16:27
2
Solved
I found an answer that almost solves my problem:
https://mcmap.net/q/1414267/-convert-biginteger-to-shorter-string-in-java
This answer demonstrates how to encode a BigInteger into a String then ba...
3
Solved
Is there any way to do this using node, whether natively or with a plugin?
What I'm trying to accomplish is to choose loseless or lossy image compression depending on the input type. Loseless on a...
Ruthenian asked 5/4, 2018 at 5:12
5
Solved
I'm communicating with a server in Swift retrieving image data. The incoming data is encoded as a base64 string. I am able to correctly receive and display the encoded strings. When I go to use the...
7
Solved
How to write a Base64-encoded image to file?
I have encoded an image to a string using Base64.
First, I read the file, then convert it to a byte array and then apply Base64 encoding to convert the...
11
Solved
I want to change background dynamically in JS and my set of images is in base64 encoded.
I try:
document.getElementById("bg_image").style.backgroundImage =
"url('http://amigo.com/300107-2853.jpg...
Heinrike asked 13/6, 2013 at 15:7
9
Solved
What is the advantage of using Base64 encode?
I would like to understand it better. Do I really need it? Can't I simply use pure strings?
I heard that the encoding can be up to 30% larger than th...
Gerrard asked 5/11, 2009 at 19:27
6
So I'm stumped. I know there's lots of Base64 encoders/decoders for JS, but not for the modified (and Facebook-favored) Base64URL variation. So far searching across stackoverflow has come up dry.
...
Droplet asked 8/3, 2011 at 15:33
3
Solved
I have a registration form where users can choose an avatar. They have 2 possibilities:
Choose a default avatar
Upload their own avatar
In my HTML page I have this.
<img id="preview" src="i...
Motet asked 2/4, 2013 at 9:37
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