base64

Decode base64 string in python 3 (with lxml or not)

由 一世执手 提交于 2019-12-30 17:27:16
问题 I know this looks embarrassingly easy, and I guess the problem is that I just don't have a clear understanding of all this bytes-str-unicode (and encoding-decoding , speaking frankly) stuff yet. I've been trying to get my working code to run on Python 3. The part I'm stuck with is when I parse an XML with lxml and decode a base64 string that is in that XML. The code now works in the following manner: I retrieve the binary data with an XPath query '.../binary/text()' . This produces a one

Decode base64 string in python 3 (with lxml or not)

由 坚强是说给别人听的谎言 提交于 2019-12-30 17:26:13
问题 I know this looks embarrassingly easy, and I guess the problem is that I just don't have a clear understanding of all this bytes-str-unicode (and encoding-decoding , speaking frankly) stuff yet. I've been trying to get my working code to run on Python 3. The part I'm stuck with is when I parse an XML with lxml and decode a base64 string that is in that XML. The code now works in the following manner: I retrieve the binary data with an XPath query '.../binary/text()' . This produces a one

Is it safe to use base64 encoded images for web, Advantages and Disadvantages?

由 ￣綄美尐妖づ 提交于 2019-12-30 17:23:30
问题 Is it safe to use base64 encoded images for web design, How does it compare in performance? Advantages and Disadvantages? 回答1: A base64 stream is about 33% heavier than a binary one (not taking into account the gzip compression over http that you have in place if you're serious about performances). If you put the base64 image directly in a page, it won't be cached separately. So it will be heavy for all pages using this image instead of being cachable with URL as key. You may think that it

本地图片转base64

由 ∥☆過路亽．° 提交于 2019-12-30 16:47:38
<!DOCTYPE html> <html> <head> <title></title> </head> <body> <script type="text/javascript"> function ToBase64() { /*转换base64*/ var img = document.getElementById('upload') var imgFile = new FileReader(); imgFile.readAsDataURL(img.files[0]); imgFile.onload = function () { var imgData = this.result; //base64数据 console.log(imgData); } } </script> <input type="file" name="" id="upload"> <button onclick="ToBase64()">to base64</button> </body> </html> 来源： https://www.cnblogs.com/adolfvicto/p/12120459.html

How to convert a PDF generating in response.outputStream to a Base64 encoding

由 巧了我就是萌 提交于 2019-12-30 15:46:50
问题 I am doing a project where i need to create a admit card for student who are appearing in examination. The pdf Generation part is working fine but my problem is i have to encode my pdf to Base64 format. I am not finding any solution. My code are given as bellow public void downloadPdf() throws IOException, DocumentException { System.out.println("hi i ma in"); resultList=examinationDetailsService.readAdmitCardData(); for(Object[] data:resultList) { personalDetails=(PersonalDetails)data[0];

How to convert a PDF generating in response.outputStream to a Base64 encoding

由 浪子不回头ぞ 提交于 2019-12-30 15:45:35
问题 I am doing a project where i need to create a admit card for student who are appearing in examination. The pdf Generation part is working fine but my problem is i have to encode my pdf to Base64 format. I am not finding any solution. My code are given as bellow public void downloadPdf() throws IOException, DocumentException { System.out.println("hi i ma in"); resultList=examinationDetailsService.readAdmitCardData(); for(Object[] data:resultList) { personalDetails=(PersonalDetails)data[0];

百度AI攻略：手势识别

由 只愿长相守 提交于 2019-12-30 09:56:16
1.功能描述： 识别图片中的手部位置和手势类型，可识别24种常见手势，包括拳头、OK、比心、作揖、作别、祈祷、我爱你、点赞、Diss、Rock、竖中指、数字等 2.平台接入 具体接入方式比较简单，可以参考我的另一个帖子，这里就不重复了： http://ai.baidu.com/forum/topic/show/943327 3.调用攻略（Python3）及评测 3.1首先认证授权： 在开始调用任何API之前需要先进行认证授权，具体的说明请参考： http://ai.baidu.com/docs#/Auth/top 具体Python3代码如下： # -*- coding: utf-8 -*- #!/usr/bin/env python import urllib import base64 import json #client_id 为官网获取的AK， client_secret 为官网获取的SK client_id =【百度云应用的AK】 client_secret =【百度云应用的SK】 #获取token def get_token(): host = ' https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id= ' + client_id + '&client

百度AI攻略：人体关键点识别

由 我的未来我决定 提交于 2019-12-30 09:53:31
第四期【百度大脑新品体验】人体关键点识别 1.功能描述： 检测图像中的人体并返回人体矩形框位置，精准定位21个核心关键点，包含头顶、五官、颈部、四肢主要关节部位，支持多人检测、大动作等复杂场景 2.平台接入 具体接入方式比较简单，可以参考我的另一个帖子，这里就不重复了： http://ai.baidu.com/forum/topic/show/943327 3.调用攻略（Python3）及评测 3.1首先认证授权： 在开始调用任何API之前需要先进行认证授权，具体的说明请参考： http://ai.baidu.com/docs#/Auth/top 具体Python3代码如下： # -*- coding: utf-8 -*- #!/usr/bin/env python import urllib import base64 import json #client_id 为官网获取的AK， client_secret 为官网获取的SK client_id =【百度云应用的AK】 client_secret =【百度云应用的SK】 #获取token def get_token(): host = ' https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id= ' + client_id

百度AI攻略：手部关键点识别

由 依然范特西╮ 提交于 2019-12-30 09:50:53
1.功能描述： 对于输入的一张图片（可正常解码，且长宽比适宜），检测图片中的所有人手，输出每只手的坐标框、21个骨节点坐标信息。 2.平台接入 具体接入方式比较简单，可以参考我的另一个帖子，这里就不重复了： http://ai.baidu.com/forum/topic/show/943327 3.调用攻略（Python3）及评测 3.1首先认证授权： 在开始调用任何API之前需要先进行认证授权，具体的说明请参考： http://ai.baidu.com/docs#/Auth/top 具体Python3代码如下： # -*- coding: utf-8 -*- #!/usr/bin/env python import urllib import base64 import json #client_id 为官网获取的AK， client_secret 为官网获取的SK client_id =【百度云应用的AK】 client_secret =【百度云应用的SK】 #获取token def get_token(): host = ' https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id= ' + client_id + '&client_secret=' + client
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