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App Inventor 2 连接打印机（Printer），自定义打印的实现 - App Inventor ...
App Inventor 2 连接打印机（Printer），自定义打印的实现ai2_printer应用介绍本教程主要分享App Inventor 2连接网络打印机进行自定义打印的思路及方法，这里只进行思路的讲解及关键步骤的效果演示，细节需自行完善。主要用到社交应...
NodeJS: How to get the server's port?
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Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asynchronous operation, so listener.address() will only return data inside of app.listen()'s callback:
var app = require('express')();
var listener = app.listen(8888, function(){
console.log('Listenin...
ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
Does anybody knows if the technique used to ask the user to rate our app and open for him the App Store directly on the rating page is still working on iOS 7 ?
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Opening the Settings app from another app
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As mentioned by Karan Dua this is now possible in iOS8 using UIApplicationOpenSettingsURLString see Apple's Documentation.
Example:
Swift 4.2
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
In Swift 3:
UIApplication.shared.open(URL(string:UIApplicationO...
How to check if an app is installed from a web-page on an iPhone?
I want to create a web-page, a page that will redirect an iPhone to the app-store if the iPhone does not have the application installed, but if the iPhone has the app installed I want it to open the application.
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What are App Domains in Facebook Apps?
...acebook' to my site. But I am confused when I register my site in Facebook Apps. What should I input into App Domains ?
8 ...
Rails 3.1: Engine vs. Mountable App
... help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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Facebook API “This app is in development mode”
What does "development mode" mean for a facebook app? I find no exact explanation of what I can and can't do while in development mode and what's the relation with the "Not available to all users because your app is not live".
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How to change an Android app's name?
Is there a way to change the name (Launcher App Label) of an app without creating a new project?
17 Answers
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What is the difference between Google App Engine and Google Compute Engine?
I was wondering what the difference between App Engine & Compute Engine are. Can anyone explain the difference to me?
11 An...