save

问题 So I see samples all around on saving into file. But I wonder if it is possible to save into char* or string instead of file - so to say keep it in memory? 回答1: There doesn't seem to be anything to facilitate this in boost itself. All I/O seems to be based on supplying filenames. However, there seems to be an extension here called io_new that has streams based I/O. See documentation here for an example (search for "Reading And Writing In-Memory Buffers"). 来源： https://stackoverflow.com

问题 I am using ExtJS 4, and have a model with an association hasMany defined. ModelA -> hasMany -> ModelB I use GridA to show the data from ModelA. On clicking a record in GridA, I use a rowSelect event to create GridB which use ModelA.ModelB() as a store. It all goes well until I change a record in ModelB. The record does get updated in the hierarchy, but when I execute StoreA.save(), no change is sent back to the server. It does not notice the changes in associations. How do I save this data,

问题 First of all, I wanted to say, that my problem was already discuss here, on SO, and here it is. But the answers are not the good ones... So, here is the problem : I have a QTableView class, with a simple model , connected with tableView->setModel(model); method. For example, I have 4-5 columns. I started up my project application and made some changes with columns width. After I pressed Exit, my project app save state of the tableView->horizontalHeader()->saveState(); data with QSettings to

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . In the internet there are databases(mysql, oracle etc.) where I can send the informations submitted by the HTML input fields with PHP

问题 Although the documentation says that this bug is fixed (see: Add the navigation flag), I am experiencing the same problem. From my application I want to add new Android contact, and after the saving is completed I want to get back to my application (the activity that called the insert new android contact intent). That's why I am using: i.putExtra("finishActivityOnSaveCompleted", true); Adding this line, I get the expected behaviour on some phones, and others just behave differently (the user

问题 i want to save one Image inside clipboard in winrt to file. but i found no way. can you help please? var dataPackage = Clipboard.GetContent(); var t = await dataPackage.GetBitmapAsync(); var t2 = await t.OpenReadAsync(); t2.AsStream(); t2.Seek(0); BitmapImage bitmapImage = new BitmapImage(); bitmapImage.SetSource(t2); Image image = new Image(); image.Source = bitmapImage;< 回答1: Here you go :) Please note you can't use ANY folder to save. I have passed ApplicationData.Current.LocalFolder.Path

问题 I want to save a file with name Привет Мир.jpg I receive a string (read it from file for example) (with unicode in it) but my C++ code saves it as ÐÑÐ¸Ð²ÐµÑ ÐиÑ.jpg What shall I do to save it correctly? (btw if I just save that string into file it saves correctly, meaning only the way I save filename is some whay wrong. How to fix this?) Here is my code for file saving: void file_service::save_string_into_file( std::string contents, std::string name ) { std::string pathToUsers = this->root

问题 I just typed an example from a book in Python34 of a running Command Prompt. but now I want to save this python program as file for future uses. Since I have never used Command Prompt before and I also searched online but most of them cannot answer. Can anyone show the solution here? Thanks. 回答1: You can save lines in ipython using %save: Usage: %save [options] filename n1-n2 n3-n4 ... n5 .. n6 ... Options: -r: use ‘raw’ input. By default, the ‘processed’ history is used, so that magics are

问题 I want to open a saved image in gallery on Android Nougat but what I get is a black gallery page with message "Can't load the photo". That's my code: Manifest <provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.provider" android:exported="false" android:grantUriPermissions="true"> <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/provider_paths"/> </provider> provider_paths.xml <?xml version="1.0" encoding=

问题 I want to be able to download the csv file on click and not open in the browser I put this code <a href="file.csv">download file</a> but on click it opens thev file in the browser. In localhost, when I click the link it is being downloaded but when on the server it's opening in the browser 回答1: You have to set headers in order to inform web-browser for opening file-save dialog. download.php <?php header("Content-Type: application/octet-stream"); header("Content-Disposition: attachment;