image-upload | 易学教程

processing an image upload form in django: when to use save() vs chunks() vs cleaned_data?

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问题 I have successfully uploaded an image using the following code: views.py from django.conf.urls.defaults import * from django.http import HttpResponse, HttpResponseRedirect from django.shortcuts import render_to_response from django import template from django.template import RequestContext from mysite.uploadr.forms import UploadFileForm def upload_file(request): if request.method == 'POST': form = UploadFileForm(request.POST, request.FILES) if form.is_valid(): form.handle_uploaded_file

Upload multiple files in MVC3 with model binding

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So I want to catalogue my record collection. I also want to learn some MVC. So I decided to build a record cataloguing website in MVC. That's how I work. I'm just dipping my toes in but cannot figure out how to upload multiple files to my SQLCE database. I'm open to options here - store the images as BLOBS or simply as filenames and upload the images to the filesystem. My simple model is this: public class Record { [ScaffoldColumn(false)] public int RecordId { get; set; } [Required(ErrorMessage = "Artist is required")] public string Artist { get; set; } [Required(ErrorMessage = "Title is

react-native-fetch-blob is blocking firebase calls n react native app

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I have a react native app that uses Firebase, firestore. for uploading images i am using "react-native-fetch-blob" to create a Blob. in the js file that I use to upload the file, my code look like this: const Blob = RNFetchBlob.polyfill.Blob const fs = RNFetchBlob.fs window.XMLHttpRequest = RNFetchBlob.polyfill.XMLHttpRequest window.Blob = Blob ** window.XMLHttpRequest = RNFetchBlob.polyfill.XMLHttpRequest ** because of this window.XMLHttpRequest my app is blocked and not getting any response from firebase(not catch / nothing => just passing thrue the code). if i removed this line i can read

processing an image upload form in django: when to use save() vs chunks() vs cleaned_data?

阅读更多关于 processing an image upload form in django: when to use save() vs chunks() vs cleaned_data?

I have successfully uploaded an image using the following code: views.py from django.conf.urls.defaults import * from django.http import HttpResponse, HttpResponseRedirect from django.shortcuts import render_to_response from django import template from django.template import RequestContext from mysite.uploadr.forms import UploadFileForm def upload_file(request): if request.method == 'POST': form = UploadFileForm(request.POST, request.FILES) if form.is_valid(): form.handle_uploaded_file(request.FILES['file']) return HttpResponse(template.Template(''' <html><head><title>Uploaded</title></head>

Strict Standards Error while image upload with PHP script

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问题 I try to write an image uploader with php. But it is giving an error when I try. Error is: Strict Standards: Only variables should be passed by reference in C:\xx\xx\xx\profile_image_upload_script.php on line 10 Line 10 is: $extension = end(explode(".", $file_name_encrypted)); image upload script <?php $allowedExts = array("gif", "jpeg", "jpg", "png"); $file_name = $_FILES["file"]["name"]; echo "File name:".$file_name; $file_name_encrypted = $file_name."".md5(rand(1, 1000000)); $extension =

Not able to send additional parameters with image using HttpURLConnection in android

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问题 public class UploadProfilePicActivity extends Activity implements View.OnClickListener { ImageView imageView; Button btnUploadPic; Button btnskipUploadPic; Button btnSaveNContinue; private static int RESULT_LOAD_IMAGE = 1; String imagepath = null; ProgressDialog dialog = null; String url_profilePic; private int serverResponseCode; String api = "http://192.168.2.17:8000/api/v1/"; String format = "/?format=json"; AlmabayDatabase almabayDatabase; String encodedString; @Override protected void

Secure image upload with PHP?

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I want to upload images to my server from browser window. However, the upload field will be visible for everyone, so I need to set up some restrictions. I've only found the w3schools file upload (and as of w3fools.com I don't trust it). I want the restrictions to be: Maximum size 2,5M Image types jpg, jpeg, png, gif So here's the code that w3schools provides, but it won't actually save the file anywhere? I've modified it a bit to meet my needs. <?php $allowedExts = array("jpg", "jpeg", "gif", "png"); $extension = end(explode(".", $_FILES["file"]["name"])); if ((($_FILES["file"]["type"] ==

How to upload a image and display on same page in asp.net mvc 4

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问题 i have developed a web application using asp.net mvc4 and razor syntax. i need to upload an image using file uploader and display in the same page with details of the image. as an example there's a "file uploader" and "submit button" in "contact page" of my application. when i upload an image of a person and click the submit button, it should display the image somewhere in the page with its details like image name, size like that. is there any possible way to achieve that? here is the code

How to upload a image and display on same page in asp.net mvc 4

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i have developed a web application using asp.net mvc4 and razor syntax. i need to upload an image using file uploader and display in the same page with details of the image. as an example there's a "file uploader" and "submit button" in "contact page" of my application. when i upload an image of a person and click the submit button, it should display the image somewhere in the page with its details like image name, size like that. is there any possible way to achieve that? here is the code for my controller class public class FileUploadController : Controller { // // GET: /FileUpload/ public

multiple image upload and preview

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I am learning how to upload multiple images and showing their preview... I came across the following code <html> <head> <style> .input-file-row-1:after { content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; } .input-file-row-1{ display: inline-block; margin-top: 25px; position: relative; } #preview_image { display: none; width: 90px; height: 90px; margin: 2px 0px 0px 5px; border-radius: 10px; } .upload-file-container { position: relative; width: 100px; height: 137px; overflow: hidden; background: url('images/picplus.png') top center no-repeat; float: left;