data-sharing

问题 I need to share a variables (1000s) between 2 C++ Dlls. How should I do that? MyVariables.Dll contains: int a = 0; ModifyMyVariables.Dll contains: extern int a; a++; // do more stuff with a; What am i supposed to write in the following files? myvariables.h myvariables.cpp ModifyMyVariables.h ModifyMyVariables.cpp 回答1: You can share data between images (EXE, DLL...) using several fundamental mechanisms (using extern does not work to share data - it only instructs the linker and not the loader!

问题 I want to create item lists using Firebase that can be created by a user and then he can specify other users to share the list with (so they can also modify its contents). I plan to do this by using the following structure: So the user section specifies the lists that a user has. Then the node 'lists', all lists created have a unique id and for each list its members are specified: In this example, Rick is the admin of the list and Tom just a member. Now I want the rules to, for example, only

问题 By "legally" I meant methods which will be accepted to App Store. I have read this one, but I feel that it could be out-date (a question and most answers are dated back 2008) How to share custom data between iPhone applications? And these provides minimal info: Sharing files Between Apps on iOS Devices Sharing data between different apps in the same iOS device As I understand these methods are Completely legal 1) UIApplication openURL 2) Keychain can be used if both applications are developed

问题 I have a task to share data between apps in the same device. May be both apps can use a shared database on same device. How to share Data between two apps in IOS. Anybody have done it in any way. Please let me know. Thanks 回答1: You can turn on App group on your App Project capabilities tab on both of your apps with the same group container ID. "group.com.yourCompanyID.sharedDefaults" Then you can access the same folder from your apps using the following url: let sharedContainerURL =

问题 I have two apps on Android which need to share few files among them. Right now I share files via a ftp server. Is there a way I can authenticate these apps to each other so that they can look into each others installed directory? Thank you. AAT 回答1: You need to set android:sharedUserId in manifest for both apps and sign them with the same certificate: The name of a Linux user ID that will be shared with other applications. By default, Android assigns each application its own unique user ID.

问题 I have an 8 bit digital output board used for device controlling. Each external device needs one bit and is controlled by a different application. I have written a class library and the class DigitalOutputPort (VB 2010) that envelopes the driver that manages the 8 bit port. Each device application uses this class, creating its own instance. In order to set a bit of the digital output port, I have to write a byte to that port: this byte is the bit mask for all 8 bits together: to set HIGH the

问题 I am trying to share a file from my UWP app sandbox running on Windows 10 desktop. Following MS documentation on this page, the implementation seem to be fairly straight forward; however, I am having issues https://docs.microsoft.com/en-us/windows/uwp/app-to-app/share-data I created DataTransferManager and attached DataRequested event in c-tor of my class as per explanation in the article: DataTransferManager dataTransferManager; public MainPage() { this.InitializeComponent(); ...

问题 I am developing firefox extension. Problem is that when i open second window (Ctrl + N) my extension has new state for new opened window. If I reacts or changes on second window it never affect on first window or vice versa. Ex Installed extension on Firefox first window opened. My extension proper functioning, change state, login, view data etc then opened second. My extension goes new state I cant get previous states (first window states). How can maintain same state between first and

问题 What is the best way to share some data across all controllers and scopes of my Single page application ? Let say i have a small set of data I want to be able to access everywhere, and I don't want to query the database every time I need it. 回答1: Shared data services seems to be the best aproach for your case. There is $rootScope as a global scope, but, $rootScope shoudn't be used for such thing due to performance issues. $rootscope is part of angular digest cycle, so when you add something

问题 I am about to embark on the development of a line of business application using the Universal Windows Platform (Windows 10). One of the requirements of the application is the synchronisation of data from a server to a local SQLite database; this is required because the application needs to be usable where there is no network connectivity. It is likely that multiple (windows domain) users will be accessing the application on the same device, sometimes simply by "swapping users", other times by