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ArrayBuffer to base64 encoded string
I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post.
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How can I convert an image into Base64 string using JavaScript?
I need to convert my image to a Base64 string so that I can send my image to a server.
13 Answers
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...不能是换行)，最后是Lucy这个单词。
换行符就是'\n',ASCII编码为10(十六进制0x0A)的字符。
如果同时使用其它元字符，我们就能构造出功能更强大的正则表达式。比如下面这个例子：
0\d\d-\d\d\d\d\d\d\d\d匹配这样的字符串：以0开头...
Initial bytes incorrect after Java AES/CBC decryption
...g this work due to missing some information like, forgetting to convert to Base64, initialization vectors, character set, etc. So I thought of making a fully functional code.
Hope this will be useful to you all:
To compile you need additional Apache Commons Codec jar, which is available here:
http:...
How do you embed binary data in XML?
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You could encode the binary data using base64 and put it into a Base64 element; the below article is a pretty good one on the subject.
Handling Binary Data in XML Documents
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Embedding Base64 Images
Purely out of curiosity, which browsers does Base64 image embedding work in? What I'm referring to is this .
3 Answers
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Uploading base64 encoded Image to Amazon S3 via Node.js
...e file
buf = Buffer.from(req.body.imageBinary.replace(/^data:image\/\w+;base64,/, ""),'base64')
var data = {
Key: req.body.userId,
Body: buf,
ContentEncoding: 'base64',
ContentType: 'image/jpeg'
};
s3Bucket.putObject(data, function(err, data){
if (err) {
cons...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
I don't get the Base64 encryption.
7 Answers
7
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ASP.Net MVC: How to display a byte array image from model
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Something like this may work...
@{
var base64 = Convert.ToBase64String(Model.ByteArray);
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below, please use the above armed with the k...
Secure random token in Node.js
...e method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
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