save

问题 I am trying to save a large numpy array and reload it. Using numpy.save and numpy.load , the array values are corrupted/change. The shape and data type of the array pre-saving, and post-loading, are the same, but the post-loading array has the vast majority of the values zeroed. The array is (22915,22915), values are float64's, takes 3.94 gb's as a .npy file, and the data entries average about .1 (not tiny floats that might reasonably get converted to zeroes). I am using numpy 1.5.1. Any help

问题 I'm using this code to render an image from view. Then i am saving it to photo album. The image is blurry? Why? Is there a solution? UIGraphicsBeginImageContext(self.view.bounds.size); [self.view.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); Tnx all. 回答1: You are propably using a retina device, Change the following UIGraphicsBeginImageContext(self.view.bounds.size) to

问题 I am working in c# windows application populate record from sql server to data grid view, with dynamic checkbox facility in each row. i want to select selected rows for some purpose via checkbox of that particular row. till now i successfully achieve my target. but i'm facing a minor issue regarding saving a checked status, Example i want to check only those records whose Name = Max i have a textbox in that textbox i call text chnage event with like Query Code for Filter by name: try {

问题 Whats the best way to write an observable collection to a txt file? I currently have the following public ObservableCollection<Account> SavedActionList = new ObservableCollection<Account>(); using (System.IO.StreamWriter file = new System.IO.StreamWriter("SavedAccounts.txt")) { foreach (Account item in SavedActionList) { file.WriteLine(item.ToString()); //doesn't work } file.Close(); } I'm not sure why it won't write to the file. Any ideas? 回答1: You can easily just write: File.WriteAllLines(

问题 I would like to visit a page with selenium using firefox or chrome. When the page is loaded I would like to download all images, css, dom from the page. I would like to store every image like I find them in: chrome -> Tools->Development Tools -> Resources -> Images Is it possible to get access via selenium and save everything? So far I only found this page, which has no interesting hints for me: http://ldanswers.org/wordpress/zisser/2014/11/24/save-whole-web-page-with-all-resources-in

问题 I have a simple method in my entity category that adds custom methods to my subclassed NSManagedObject classes (which I don't touch because of automatic subclassing generating). I have this method that deletes an object from the MOC and saves the context. + (void)deleteWishlist:(Wishlist *)wishlist inManagedObjectContext:(NSManagedObjectContext *)context { [context deleteObject:wishlist]; NSError *error; if(![context save:&error]) { NSLog(@"%@", error); } else { NSLog(@"Delete successful"); }

问题 I'm using the following code to save and retrieve objects to and from the Androids internal memory. I have tested it with a string object with success. When I try to save a Bitmap I get a IOException. (I found out that I have to call the compress method) So I notice that I can save some objects, what are the restrictions to saving objects? When I save a object, does it only save the fields? Can I save objects that contains other objects? Please clear me up. Code: public Object

问题 I want to backup my docker image, named tt , so I can change the base device size from 10 GB to 15 GB. To do this I want to backup my local image first. But I am getting an error $ sudo docker save -o tt.tar.gz tt Error response from daemon: could not verify layer data for: sha256:xxxxx. This may be because internal files in the layer store were modified. Re-pulling or rebuilding this image may resolve the issue My images: $ sudo docker images REPOSITORY TAG IMAGE ID CREATED SIZE tt latest

问题 So I'm trying to figure out how I could make a program that could see if a YouTube account uploads a new video. I was thinking about having a virtual PC doing it in PHP and refresh the page automatically every 2 minutes and if the title has changed then it saves the data inside a database and sends an email. If anyone has a solution or a better way of doing this please share. 回答1: I believe you can access it via the Youtube API, for example you should be able to access the most recent upload

问题 Here I am not storing the picture that I captured. It is displaying in the image view, but I am trying to save the image, however the image is not displaying in the image view. import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Bundle; import android.os.Environment;