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Convert UTF-8 encoded NSData to NSString
...a: Data {
return Data(utf8)
}
}
extension String {
var base64Decoded: Data? {
return Data(base64Encoded: self)
}
}
Playground
let string = "Hello World" // "Hello World"
let stringData = string.data ...
Asynchronously load images with jQuery
...here are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:...
Encrypt & Decrypt using PyCrypto AES 256
...ent of the key and secret phrase with 32 bytes and iv to 16 bytes:
import base64
import hashlib
from Crypto import Random
from Crypto.Cipher import AES
class AESCipher(object):
def __init__(self, key):
self.bs = AES.block_size
self.key = hashlib.sha256(key.encode()).digest()
...
Should I embed images as data/base64 in CSS or HTML
...e number requests on the server I have embedded some images (PNG & SVG) as BASE64 directly into the css. (Its automated in the build process)
...
Is there any JSON Web Token (JWT) example in C#?
...
Thanks everyone. I found a base implementation of a Json Web Token and expanded on it with the Google flavor. I still haven't gotten it completely worked out but it's 97% there. This project lost it's steam, so hopefully this will help someone else get...
Android encryption / decryption using AES [closed]
...ithHmacSHA1 derivation is used as it is more secured.
import android.util.Base64;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.cry...
Is embedding background image data into CSS as Base64 good or bad practice?
...on changing often if ever it is a fine solution.
as far as generating the base64 encoding:
http://b64.io/
http://www.motobit.com/util/base64-decoder-encoder.asp (upload)
http://www.greywyvern.com/code/php/binary2base64 (from link with little tutorials underneath)
...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
...rity tokens.
The class has a ReadToken(String) method that will take your base64 encoded JWT string and returns a SecurityToken which represents the JWT.
The SecurityTokenHandler also has a ValidateToken(SecurityToken) method which takes your SecurityToken and creates a ReadOnlyCollection<Claim...
get list of pandas dataframe columns based on data type
If I have a dataframe with the following columns:
12 Answers
12
...
What's the best way to bundle static resources in a Go program? [closed]
... []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
Storing as base64 string
If the file is not "too large" (most images/icons qualify), there are other viable options too. You can convert the content of the file to a Base64 string and store that in your source code. On application star...