download

问题 I'm making a "Download" controller using Symfony 2, that has the sole purpose of sending headers so that I can force a .csv file download, but it isn't working properly. $response = new Response(); $response->headers->set('Content-Type', "text/csv"); $response->headers->set('Content-Disposition', 'attachment; filename="'.$fileName.'"'); $response->headers->set('Pragma', "no-cache"); $response->headers->set('Expires', "0"); $response->headers->set('Content-Transfer-Encoding', "binary");

问题 I am trying to install the R package "mxnet". However, this package does not seem to be available on CRAN. I found similar posts on stackoveflow where similar problems were encountered: How to install "mxnet" package in R 4.0.2 I tried to install this package three different ways, but both of them failed: #First Way: install.packages("https://s3.ca-central-1.amazonaws.com/jeremiedb/share/mxnet/CPU/3.6/mxnet.zip", repos = NULL) Installing package into ‘C:/Users/me/Documents/R/win-library/4.0’

问题 In my flutter application,I have uploaded 3 imageUrls and 2 PDFUrls to firebase database and firebase storage already.Now How to do caching of imageUrls and PDFUrls.(Permannent caching untill deletion) Actually I want to do caching as I want to download the images and pdfs in the application with the click on the image and pdf icon or picture with in the application itself. Image should be opened default image opener and pdf should be opned either in a webview or browser. I have already

问题 In my flutter application,I have uploaded 3 imageUrls and 2 PDFUrls to firebase database and firebase storage already.Now How to do caching of imageUrls and PDFUrls.(Permannent caching untill deletion) Actually I want to do caching as I want to download the images and pdfs in the application with the click on the image and pdf icon or picture with in the application itself. Image should be opened default image opener and pdf should be opned either in a webview or browser. I have already

问题 I want to download a file from a website. In the website I click on a button that opens a small sub-window, which has a button that downloads a file to the directory path_here when clicked. This is my solution: from selenium import webdriver from selenium.webdriver.chrome.options import Options chrome_options = Options() chrome_options.add_argument('--dns-prefetch-disable') chrome_options.add_experimental_option("prefs", { "download.default_directory": r'path_here', "download.prompt_for

问题 I'm making a little graphic interface with Python 3 which should download a youtube video with it URL. I use for that the module youtube_dl. This is my code : import youtube_dl # Youtube_dl is used for download the video ydl_opt = {"outtmpl" : "/videos/%(title)s.%(ext)s", "format": "bestaudio/best"} # Here we give some advanced settings. outtmpl is used to define the path of the video that we are going to download def operation(link): """ Start the download operation """ try: with youtube_dl

问题 I'm trying to get dimensions from a picture directly from the web using this code: string image = @"http://www.hephaestusproject.com/.../csharp3.png"; byte[] imageData = new WebClient().DownloadData(image); MemoryStream imgStream = new MemoryStream(imageData); Image img = Image.FromStream(imgStream); int wSize = img.Width; int hSize = img.Height; It works but the performance is terrible because I need to download many images just to get their dimensions. Is there a more efficient way to do

问题 I'm trying to get dimensions from a picture directly from the web using this code: string image = @"http://www.hephaestusproject.com/.../csharp3.png"; byte[] imageData = new WebClient().DownloadData(image); MemoryStream imgStream = new MemoryStream(imageData); Image img = Image.FromStream(imgStream); int wSize = img.Width; int hSize = img.Height; It works but the performance is terrible because I need to download many images just to get their dimensions. Is there a more efficient way to do

问题 I have a dropbox link like https://www.dropbox.com/sh/w4366ttcz6/AAB4kSz3adZ which opens the ususal dropbox site with folders and files. Is there any chance to download the complete content (tar or directly as sync) to a unix machine using wget? I have seen some posts here where single files were downloaded but could not find any answer to this. There is an api from Dropbox but that does not work on my server due to the 64 bit issue on my server and http://www.dropboxwiki.com/dropbox-addons

问题 I have a dropbox link like https://www.dropbox.com/sh/w4366ttcz6/AAB4kSz3adZ which opens the ususal dropbox site with folders and files. Is there any chance to download the complete content (tar or directly as sync) to a unix machine using wget? I have seen some posts here where single files were downloaded but could not find any answer to this. There is an api from Dropbox but that does not work on my server due to the 64 bit issue on my server and http://www.dropboxwiki.com/dropbox-addons