Here is some code. without any error. var image = canvas.toDataURL(“image/png”).replace(“image/png”, “image/octet-stream”); // here is the most important part because if you dont replace you will get a DOM 18 exception. window.location.href=image; // it will save locally
A clean way to download a file is: import urllib testfile = urllib.URLopener() testfile.retrieve(“http://randomsite.com/file.gz”, “file.gz”) This downloads a file from a website and names it file.gz. This is one of my favorite solutions, from Downloading a picture via urllib and python. This example uses the urllib library, and it will directly retrieve the file form … Read more
Pickle save: try: import cPickle as pickle except ImportError: # Python 3.x import pickle with open(‘data.p’, ‘wb’) as fp: pickle.dump(data, fp, protocol=pickle.HIGHEST_PROTOCOL) See the pickle module documentation for additional information regarding the protocol argument. Pickle load: with open(‘data.p’, ‘rb’) as fp: data = pickle.load(fp) JSON save: import json with open(‘data.json’, ‘w’) as fp: json.dump(data, fp) … Read more
A very minor improvement of the code by Awesomeness01 (no need for anchor tag) with addition as suggested by trueimage (support for IE): // Function to download data to a file function download(data, filename, type) { var file = new Blob([data], {type: type}); if (window.navigator.msSaveOrOpenBlob) // IE10+ window.navigator.msSaveOrOpenBlob(file, filename); else { // Others var a … Read more
You could use the pickle module in the standard library. Here’s an elementary application of it to your example: import pickle class Company(object): def __init__(self, name, value): self.name = name self.value = value with open(‘company_data.pkl’, ‘wb’) as outp: company1 = Company(‘banana’, 40) pickle.dump(company1, outp, pickle.HIGHEST_PROTOCOL) company2 = Company(‘spam’, 42) pickle.dump(company2, outp, pickle.HIGHEST_PROTOCOL) del company1 del … Read more
Use the :w command with a filename: :w other_filename
try (FileOutputStream out = new FileOutputStream(filename)) { bmp.compress(Bitmap.CompressFormat.PNG, 100, out); // bmp is your Bitmap instance // PNG is a lossless format, the compression factor (100) is ignored } catch (IOException e) { e.printStackTrace(); }
From Save (Not Permitted) Dialog Box on MSDN : The Save (Not Permitted) dialog box warns you that saving changes is not permitted because the changes you have made require the listed tables to be dropped and re-created. The following actions might require a table to be re-created: Adding a new column to the middle … Read more
The difference between –save and –save-dev may not be immediately noticeable if you have tried them both on your own projects. So here are a few examples… Let’s say you were building an app that used the moment package to parse and display dates. Your app is a scheduler so it really needs this package … Read more