file-upload
How to convert Blob to File in JavaScript
I need to upload an image to NodeJS server to some directory. I am using connect-busboy node module for that. I had the dataURL of the image that I converted to blob using the following code: dataURLToBlob: function(dataURL) { var BASE64_MARKER = ‘;base64,’; if (dataURL.indexOf(BASE64_MARKER) == -1) { var parts = dataURL.split(‘,’); var contentType = … Read more
File Upload In Angular?
I know this is very a general question but I am failing to upload a file in Angular 2. I have tried 1) http://valor-software.com/ng2-file-upload/ and 2) http://ng2-uploader.com/home …but failed. Has anyone uploaded a file in Angular? What method did you use? How to do so? If any sample code or demo link is provided it … Read more
Integrating Dropzone.js into existing HTML form with other fields
I currently have a HTML form which users fill in details of an advert they wish to post. I now want to be able to add a dropzone for uploading images of the item for sale. I have found Dropzone.js which seems to do most of what I need. However, when looking into the documentation, … Read more
How to upload file with python requests?
I’m performing a simple task of uploading a file using Python requests library. I searched Stack Overflow and no one seemed to have the same problem, namely, that the file is not received by the server: import requests url=”http://nesssi.cacr.caltech.edu/cgi-bin/getmulticonedb_release2.cgi/post” files={‘files’: open(‘file.txt’,’rb’)} values={‘upload_file’ : ‘file.txt’ , ‘DB’:’photcat’ , ‘OUT’:’csv’ , ‘SHORT’:’short’} r=requests.post(url,files=files,data=values) I’m filling the value … Read more
drag drop files into standard html file input
These days we can drag & drop files into a special container and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here. But sometimes we don’t want that much coolness. What I’d like is to drag & drop files — many at a time — … Read more
How to check file MIME type with javascript before upload?
I have read this and this questions which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server resource. To … Read more
How to post a file from a form with Axios
Using raw HTML when I post a file to a flask server using the following I can access files from the flask request global: <form id=”uploadForm” action=’upload_file’ role=”form” method=”post” enctype=multipart/form-data> <input type=”file” id=”file” name=”file”> <input type=submit value=Upload> </form> In flask: def post(self): if ‘file’ in request.files: …. When I try to do the same with … Read more
MVC 4 Razor File Upload
I am new to MVC 4 and I am trying to implement File Upload Control in my website. I am not able to find the mistake.I am getting a null value in my file. Controller: public class UploadController : BaseController { public ActionResult UploadDocument() { return View(); } [HttpPost] public ActionResult Upload(HttpPostedFileBase file) { if … Read more
How to use FormData for AJAX file upload?
This is my HTML which I’m generating dynamically using drag and drop functionality. <form method=”POST” id=”contact” name=”13″ class=”form-horizontal wpc_contact” novalidate=”novalidate” enctype=”multipart/form-data”> <fieldset> <div id=”legend” class=””> <legend class=””>file demoe 1</legend> <div id=”alert-message” class=”alert hidden”></div> </div> <div class=”control-group”> <!– Text input–> <label class=”control-label” for=”input01″>Text input</label> <div class=”controls”> <input type=”text” placeholder=”placeholder” class=”input-xlarge” name=”name”> <p class=”help-block” style=”display:none;”>text_input</p> </div> <div … Read more
