base64

问题 I've noticed in a backup of my FireFox bookmarks that the icon which is displayed to the left of each entry is held as a character stream in the A tags. For example: ICON="data:image/png;base64,iVBOR [data removed to shorten example] rkJggg==" I have 3 BMP files (2 are 4x20 (249 bytes) and 1 is 102x82 (24.7 KB)) that I would like to hide within my HTML Application so they don't get lost. The larger one appears 3 times in the style tag as follows (1 occurrence shown): <style type="text/css">

问题 I need to find a way to validate an image that is base64 encoded in PHP. By validate i'm thinking of XSS and other security things like that. The flow is: User has some parameters where one og more in a base64 encode string of an image and post them to my site. When i receive the parameter fx called img1 with the base64 encoded image string as value. I would then like to make sure that this base64 encoded string only consist of the image and doest not have any tags and any other things

问题 There are lots of Base64 libraries for Java SE but I can't seem to find one for J2ME. Does any one have a algorithm or library in their coding toolkit? I receive following from a REST webservice (cut for clearity) : [137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,0,0,1,64,0,0,0,46] How do I decode the string above? Thanks! 回答1: Try this code. Confirm it once. 来源： https://stackoverflow.com/questions/3657047/howto-base64-decode-library-in-j2me

问题 I am getting a base64 encoded string from a POST request. I wanted to store it in my filesystem at a particular location after decoding . So i have written this code, try: file_content=base64.b64decode(file_content) with open("/data/q1.txt","w") as f: f.write(file_content) except Exception as e: print(str(e)) This is creating the file at /data/ but the file is empty. It is not containing the decoded string. There is no permission issue. But when i am instead of file_content writing 'Hello

问题 I have a LDIF file which has a multi-value Base64-encoded attribute, and I'd like to convert it in non-Base64-encoded syntax. How can this be done? Context The LDIF file is as such: dn: cn=johndoe,ou=clients,ou=management,dc=example,dc=com changetype: modify replace: foobarStatus foobarStatus:: ZW5hYmxl... (Base64 string) ...ZCA9IHRydWU where the decoded Base64 string is as such: market = "US" mgmt.account.mode = "X12" foo.field = "Something" bar.field = "Something else" ... Problem When I

问题 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/CBMiUGh0dHBzOi8vd3d3LnBva2VybmV3cy5jb20vc3RyYXRlZ3kvd3NvcC1tYWluLWV2ZW50LXRpcHMtbmluZS1jaGFtcGlvbnMtMzEyODcuaHRt0gEA?hl=en-US&gl=US&ceid=US%3Aen I want the 'real link' that this resolves to using python. If you plug the above url into your browser, for a split second you will see Opening https://www.pokernews

问题 I am getting a 'Content is not valid Base64' error when posting a certain, very simple, piece of content to github using the API. The content is unit = $("<li class='s clearfix'></li>"); I am using Base64.urlsafe_encode64 to encode the content. content = 'unit = $("<li class=\'s clearfix\'></li>")'; url = "https://api.github.com/repos/#{github_user}/#{github_repo}/contents/#{path}" RestClient.put(url, { message: "my message", content: Base64.urlsafe_encode64(content), encoding:"base64" }.to

问题 I try to write a base64 png image to file with following code: imageReader := base64.NewDecoder(base64.StdEncoding, strings.NewReader(Images[i])) pngImage, _, err := image.Decode(imageReader) if err != nil { beego.Error(err) } bounds := pngImage.Bounds() if imgFile, err = os.Create(fileName + ".png"); err != nil { return Data{} } defer imgFile.Close() _, err = imgFile.Write([]byte(pngImage)) The bounds are ok. The error message for the last line is cannot convert pngImage (type image.Image)

问题 Hi this is my first Question :) I need a lib or way to compress a data in asp.net (vb) with the algorit deflate but the result inflate in javascript. I'm use a lib in javascript: deflate.js hxxp://www.codeproject.com/KB/scripting/Javascript_binaryenc.aspx?msg=2904739 First i'm deflate and convert to base64 the result but the result is no compatible with the javascript lib. i'm use the Chilkat .NET DLL hxxp://www.example-code.com/vbdotnet/deflate_string.asp The String result with this lib is

问题 In Java server I fetch image from external service URL like: InputStream in = new java.net.URL(imageWebServiceURL).openStream(); String resultToCleint = org.apache.commons.codec.binary.Base64.encodeBase64URLSafeString(IOUtils.toByteArray(in)); Then on Android I parse it like: byte[] imageAsBytes = Base64.decode(resultToCleint.getBytes(), Base64.DEFAULT); imageView.setImageBitmap(BitmapFactory.decodeByteArray(imageAsBytes, 0, imageAsBytes.length)); Result: Image not displayed, ain't errors