to convert some data (e.g. string, picture) to some representation (e.g. bytes, electrical signals, numbers)
Questions tagged [encode]
3168 questions
2860
votes
22 answers
Encode URL in JavaScript
How do you safely encode a URL using JavaScript such that it can be put into a GET string?
var myUrl = "http://example.com/index.html?param=1&anotherParam=2";
var myOtherUrl = "http://example.com/index.html?url=" + myUrl;
I assume that you need to…

nickf
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1013
votes
19 answers
What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?

MrDatabase
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378
votes
19 answers
Encoding as Base64 in Java
I need to encode some data in the Base64 encoding in Java. How do I do that? What is the name of the class that provides a Base64 encoder?
I tried to use the sun.misc.BASE64Encoder class, without success. I have the following line of Java 7…

Jury A
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194
votes
8 answers
How to convert a string or integer to binary in Ruby?
How do you create integers 0..9 and math operators + - * / in to binary strings.
For example:
0 = 0000,
1 = 0001,
...
9 = 1001
Is there a way to do this with Ruby 1.8.6 without using a library?

mcmaloney
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190
votes
6 answers
Strange \n in base64 encoded string in Ruby
The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example:
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'base64'
=> true
irb(main):003:0> str = …

intellidiot
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188
votes
6 answers
Convert int to ASCII and back in Python
I'm working on making a URL shortener for my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z, node 1 might be short.com/a, node 52 might be…

mlissner
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188
votes
6 answers
UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function
I am writing a Python (Python 3.3) program to send some data to a webpage using POST method. Mostly for debugging process I am getting the page result and displaying it on the screen using print() function.
The code is like…

Carlos Eugenio Thompson Pinzón
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187
votes
6 answers
Base64 Java encode and decode a string
I want to encode a string into base64 and transfer it through a socket and decode it back.
But after decoding it gives different answer.
Following is my code and result is "77+9x6s="
import javax.xml.bind.DatatypeConverter;
public class f{
…

Sameera Kumarasingha
- 2,908
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151
votes
3 answers
PHP "pretty print" json_encode
Possible Duplicate:
Pretty-Printing JSON with PHP
I'm working on a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it.…

Brian
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124
votes
5 answers
Code for decoding/encoding a modified base64 URL (in ASP.NET Framework)
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
I have found that Base64 Encoding allows for a '/' character which will mess up my UriTemplate matching. Then I found that there is a concept of a "modified…

Kirk Liemohn
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115
votes
9 answers
Python Unicode Encode Error
I'm reading and parsing an Amazon XML file and while the XML file shows a ' , when I try to print it I get the following error:
'ascii' codec can't encode character u'\u2019' in position 16: ordinal not in range(128)
From what I've read online…

Alex B
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113
votes
8 answers
How to set emoji by unicode in a textview?
Hi I'd like to do the following:
??? unicode = U+1F60A
String emoji = getEmojiByUnicode(unicode)
String text = "So happy "
textview.setText(text + emoji);
to get this in my textview:
So happy
How can I implement getEmojiByUnicode(unicode)?
What…

Gilbert Giesbert
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112
votes
6 answers
AJAX POST and Plus Sign ( + ) -- How to Encode?
I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents). The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then…

jalperin
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110
votes
8 answers
How to HTML encode/escape a string? Is there a built-in?
I have an untrusted string that I want to show as text in an HTML page. I need to escape the chars '<' and '&' as HTML entities. The less fuss the better.
I'm using UTF8 and don't need other entities for accented letters.
Is there a built-in…

kch
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74
votes
6 answers
JSON stringify missing from jQuery 1.4.1?
Apparently jQuery has the ability to decode a given object or string into a JSON object. However, I have a JS object that I need to POST back to the server and I find no utility in jQuery that wraps the JSON.stringify() function. That function is…

Geuis
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