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IntelliJ IDEA: Boolean method XX is always inverted

I am getting warning " Boolean method is always inverted " on running lint in IntelliJ. I have several similar warnings in my codebase. Which basic coding style, am I missing? public static boolean isBlueToothEnabled(){ final BluetoothAdapter bluetoothAdapter = BluetoothAdapter.get . . .阅读更多

The requested application with ID xxxxxx was not found

I 'm trying to post/get score from google play leaderboards I met all the meta-tag from the documentation including my client id <meta name="google-signin-client_id" content="XXXXXX-YYYYYYYYYYY.apps.googleusercontent.com" /> I also have setup the google sign-in system and all is fine, . . .阅读更多

Undefined method 'zero?' for nil:NilClass (NoMethodError)

I added the whenever Gem to my project. I added this code to my deploy.rb as instructed. set :whenever_command, "bundle exec whenever" require "bundler/capistrano" require "whenever/capistrano" I got the following error when I tried to run cap deploy. Any ideas? My schedule.rb is comm . . .阅读更多

Unable to locate package gcc-4.6-base:i386

I'm having trouble with running a script to install prerequisite packages, which requires gcc-4.6-base:i386, and don't know how to install it with aptitude or something similar. For reference, I'm currently running Ubuntu 5.4.0-6ubuntu1~16.04.2. The error messages I'm getting are: E: . . .阅读更多

Python Regex Match Paragraphs

I have a String that looks like this: ... Art. 15 Gegenstand Dieses Gesetz regelt die Bekämpfung der Geldwäscherei im Sinne von Artikel 305 bis des Strafgesetzbuches6 (StGB), die Bekämpfung der Terrorismusfinanzierung im Sinne von Artikel 260quinquies Absatz 1 StGB und die Sicherstellu . . .阅读更多

XML文档中存在错误(2,2)。这是什么意思?

I am trying to read XML document. My XML: <?xml version="1.0" encoding="utf-8"?> <SplashScreen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Path>SplashScreen/Image-King</Path> </SplashScreen> My code which is reading XML: XmlGa . . .阅读更多