FileManagement | Tongji SE OS assignment 3 文件管理系统，参考linux0.11

I have this code, what it basically does is, it gets the string typed in a JTextPanel then assigns it to "conec". Then it creates a graph with the lines of that file.

The FileManagement.load_file(conec) method looks for the file with that name in the project folder and proceeds to run the code. Thing is, when I type the wrong name of file, I'm getting the FileNotFoundException, and I want it to say the "Invalid file", message but it's just not working it just keeps running the program.

This is what I have tried so far but not working, it gives the error and keeps running.

I suspect this is a finicky configuration issue that I'm getting wrong with Document Type / UTI declarations in my Info.plist, but have tried several things and haven't found the solution.

I have an NSDocument-based Mac application, written in Swift, Xcode 11. It reads and writes a custom document type with suffix "mpxml".

During most early development I did not have a custom UTI identifier for the type (the identifier field was left blank, the project default), and the app was able to read and write these files.

Recently I changed to have a fully qualified document type identifier and editor, which seemed to be necessary to get my document icon to show up in the Finder. I changed all the places in my code referencing document type to use this fully qualified UTI. Everything now works except that the open panel (run by the default NSDocumentController openDocument) no longer recognizes my file type - all files with "mpxml" suffix are now grayed out in the open panel, including any files freshly created (the save panel works fine to write the documents).

Some things I've tried:

• adding some additional overrides to my NSDocument subclass: fileNameExtension(), writableTypes, etc.
• setting / omitting mime-type
• setting / omitting a 4-char OSType
• setting / omitting a reference URL
• removing mpxml extension from document type (so it's only defined in the UTI) - didn't work
• declaring the type as an Imported UTI as well (should not be needed, didn't fix the issue)
• reviewing docs: Developing a Document-Based App, Declaring New Uniform Type Identifiers

Worth noting: the documentation on CFBundleTypeExtensions (the relevant document-type plist key) says that it's ignored if LSItemContentTypes is set - which is the case, since LSItemContentTypes is the key for the UTI identifier. But if setting this breaks the document-type suffix affiliation, I'd expect the UTI export affiliation to re-connnect it.

Also: Open Recent is also broken, and on attempting to open a recently-saved document the error reported is that the app "cannot open files of this type".

I'm not sure a workaround bypassing NSDocumentController will work here, because I don't want to mess with the document instance / window / file associations it sets up behind the scenes.

What is missing to make the custom UTI and extension work correctly in this app?

UPDATE based on request here is additional Info.plist data relevant to this bug (which essentially agrees with the XCode document type information in the screenshot above). I've now created a minimal sample application which reproduces the bug that I'll be using for an Apple bug report.

In the original form of the project, which no custom UTI declared, the Info.plist document type declaration is:

Use this directory to write temporary files that do not need to persist between launches of your app. Your app should remove files from this directory when they are no longer needed; however, the system may purge this directory when your app is not running.

https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/FileSystemOverview/FileSystemOverview.html

There are conflicting answers about the need to manually clear the tmp folder. There is no API for clearing it, it must be performed manually file by file (which says something). More importantly, we should always avoid unnecessarily overworking the disk because it will wear out the SSD (Apple's Data Storage Guidelines mentions this also), and purging a folder file by file that's designed to be purged by the OS routinely seems counterintuitive.

1. Would it not be best practice then to delete what we know for certain isn't needed anymore as it comes our way (on-the-spot cleaning) and let the rest be purged by the OS and avoid manual purging altogether?

2. And should we not apply this strategy to the Library/Caches folder as well, since that folder's cleaning policy is the same as the tmp folder's?

I have the following code

This is the object class:

I am trying to download a file or folder from My Google drive using PyDrive

After multiple attempts using the Documents : https://gsuitedevs.github.io/PyDrive/docs/build/html/filemanagement.html#download-file-conte

I still cannot seem to get my head around downloading the folder.

I have managed to list the Title and ID of my items, i just need a way to download them.

Upon listing the folders and files both with ID and title Is there any way of downloading the folder based on the ID.

Thanks

I'm digging around Apple documentation about on-demand resources but I can't find this information..

Is it possible to fetch On-Demand Resources (eg. image, Javascript bundle) from a WKWebView via Javascript?

My intent is to publish some (big) HTML+JS games on Apple servers as On-Demand tagged Resources and then fetch them via Javascript XHR calls or through a Cordova/Phonegap/Ionic plugin.

In this way:

1. We would not affect the App final bundle size including all the games

2. Apple would be able to review the games (since it's not externally "injected code" - that is against their guidelines).

In my specific case, I would use the Cordova plugin cordova-plugin-filetransfer to download the tagged on-demand resources and cordova-plugin-file to load and display the downloaded game into the webview.

This is what we need to achieve due to business constraints. Is it feasible?

I'm quite new in OOP and Java programming, so please, forgive me. I wrote a small class in wich I try to write a String in a file using the BufferedReader class. Everything works just fine, but the file is "empty", I mean that I can't see anything inside. But for sure, data are stored, because when I close Eclipse and re open it again and run the driver class to make my tests, data are restored from the file. By the way I use a "try with ressources" mechanism so my file is "closed" automaticaly. Does someone already meet this problem? My Eclipse version is "2018-12"

Below, you have the small class with a "writeToFile" method in wich I use the BufferedReader class.

We want to use swagger with in our asp.net core mvc web application. Because we use IoC to inject required instances in our controller, swagger is not able to build the swagger UI. When I remove the constructor it works fine.

Does anybody have an idea or an workaround using swagger with a constructor inside the controller?