desktop-application

问题 I'm struggling with real-world use of JPA (Hibernate, EclipseLink, etc) in a Swing desktop application. JPA seems like a great idea, but relies on lazy loading for efficiency. Lazy loading requires the entity manager exist for the lifetime of the entity beans, and offers no control over what thread is used for loading or any way to do the loading in the background while the EDT gets on with other things. Accessing a property that happens to be lazily loaded on the EDT will block your app's UI

问题 How do I enable showing a loading image when user launches my app compiled with inno setup compiler? For example if you launch ms word, you will see a loading image before the main app loads in full. Can this be done with Inno Setup? I want my app to show a logo before loading fully, just as most app do? Thank in advance 回答1: Umar, what you are requesting is generally referred to as a splash-screen. The third party Inno Setup Script Includes (ISSI) library contains a function for splash

问题 This question already has answers here : How to develop Desktop Apps using HTML/CSS/JavaScript? [closed] (9 answers) Closed last month . What's the best framework for creating Multi platform desktop app using web technologies such as HTML, JavaScript, and CSS, I would like to know the complexity (learning rate) and flexibility of each one as much as the future promise of each one ? 回答1: Yes, it could be Electron. f you can build a website, you can build a desktop app. Electron is a framework

问题 I've got a desktop EXE application and a GWT webapplication running on a Java appserver backend. How can I do things in the desktop app like click buttons which do something in the webapp? We can fire up a browser, but what about further interaction after that? If the user switches back to the desktop app and does something, can we get the browser back on top when we need it to? They are both connected to the same backend application server, so communication via server could be possible for

问题 I have developed an application which is compatible with .net Framework 3.5 to run the build of it in other applications also. The O. S. of built application is Windows 7. And when I run the build in Windows XP this error occurs for following code: dtBillDate.Text = ds.Tables[0].Rows[0]["Dt"].ToString(); Here dtBillDate is a DateTimePickerControl. And the SQL query to fill ds records is: query = "Select M.BillNo,M.PartyName,M.Address,M.City,M.State,M.TaxType, M.BillType,FORMAT(M.BillDt,'dd-mm

问题 Here is the code I am using String filenamevideo = videoFilePath;(video.mp4) String filenameaudio = audioAACFilePath; (audio.aac) IMediaWriter mWriter = ToolFactory.makeWriter(videoWithAudioFilePath); // output // file IContainer containerVideo = IContainer.make(); IContainer containerAudio = IContainer.make(); if (containerVideo.open(filenamevideo, IContainer.Type.READ, null) < 0) throw new IllegalArgumentException("Cant find " + filenamevideo); if (containerAudio.open(filenameaudio,

问题 I'm going to deploy the qtvirtualkeyboard in my widget-based application like so: #include <QtWidgets> int main(int argc, char *argv[]) { qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard")); QApplication app(argc, argv); QMainWindow window; QLineEdit input(&window); input.move(250, 250); window.show(); return app.exec(); } But the only issue is that the virtual keyboard input panel hides the underlying widgets and cover them! How should I achieve this? Is there any document or solution

问题 I have an existing App in Windows store(Metro Style)[XAML,C#]. I would like to convert this to Desktop(Ultra-book enabled ) and upload in to the Intel AppUp Store. The application uses GPS and call several web API for certain features. I there any tool to covert? or how could i port this app to Ultra-book enabled desktop app.? Please provide step by step help or link.. 回答1: I would check with Intel what APIs they provide for AppUp. I am almost sure though that there are no tools for this and

问题 I am working with a WPF app for tablets with Windows 8.1. The app connects to SAP. In the settings I have to implement an option for synchronisation to only occur over a WiFi network. How can I determine if the tablet is connected to WiFi or a cellular network? From my research I have found ways to do this on XP and Vista or using Universal Apps. How can I implement this feature using WPF and Windows 8.1? 回答1: The following code should work, in c# if(Application.internetReachability ==

问题 I have a set of Scrapy spiders. They need to be run daily from a desktop application. What is the simplest way (from user's point of view) to install and run it on another windows machine? 回答1: The simplest way is write a script in python for them I guess... If you are running a Windows Server you can even schedule the comand that you use (scrapy crawl yoursprider) to run the spiders. 回答2: Create a script (e.g. run_spider.py ) which runs scrapy crawl <spider_name> as a system command. run