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Read/Write String from/to a File in Android

...ing = bufferedReader.readLine()) != null ) { stringBuilder.append("\n").append(receiveString); } inputStream.close(); ret = stringBuilder.toString(); } } catch (FileNotFoundException e) { Log.e("login activity", "File not f...
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Unbalanced calls to begin/end appearance transitions for

... You can generate this warning by presenting the modal vc before the app is done initializing. i.e. Start a tabbed application template app and present a modal vc on top of self.tabBarController as the last line in application:didFinishLaunching. Warning appears. Solution: let the stack unw...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
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How can we programmatically detect which iOS version is device running on? [duplicate]

I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. 10 Answers ...
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OnCreateOptionsMenu() not called in Fragment

I have an app which got one activity with 2 fragments placed horizontally. 8 Answers 8...
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Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?

I am trying to support CORS in my Node.js application that uses the Express.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS works. First, I did this (code is written in CoffeeScript syntax): ...
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Run an app on a multiple devices automatically in Android Studio

... multiple Android devices connected to the computer. When I try to run the app I'm developing, the Android Studio always prompt me to choose the device. Is there any way to deploy the app on a multiple devices automatically - by clicking Run or even better with a shortcut? ...
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PhoneGap: Detect if running on desktop browser

I'm developing a web application that uses PhoneGap:Build for a mobile version and want to have a single codebase for the 'desktop' and mobile versions. I want to be able to detect if PhoneGap calls will work (ie, is the user on a mobile device that will support PhoneGap). ...
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App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...:http://www.zsqz.com/chuangke/10r.htm 【学习目标】   1.掌握App Inventor中对调用手机计步器、位置传感器等硬件传感器的应用;   2.了解数据持久化,掌握数据存储等功能的实现;   3.通过编程实践,感受和体验利用手机自身...
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Backbone View: Inherit and extend events from parent

...ts merging within itself. That being said, I wouldn't have thought of this approach, and it's always nice to be forced to look at things in a different way :) – EleventyOne Jan 4 '14 at 6:02 ...