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How to check for an active Internet connection on iOS or macOS?
...nswers below are synchronous so be careful otherwise you'll freeze up your app.
Swift
1) Install via CocoaPods or Carthage: https://github.com/ashleymills/Reachability.swift
2) Test reachability via closures
let reachability = Reachability()!
reachability.whenReachable = { reachability in
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What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
...ative method is provided in the method's description because the preferred approach (as of API level 11) is to instantiate PreferenceFragment objects to load your preferences from a resource file. See the sample code here: PreferenceActivity
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Safe characters for friendly url [closed]
...aid, do not use it! Here is another weird case on IIS (don't know if this happens on other Web Servers): if it is at the end of your URL you'll most likely get 404 error (it'll try to search for [/pagename]. page)
– nikib3ro
Jun 1 '12 at 19:27
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How to change progress bar's progress color in Android
I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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How to run an EXE file in PowerShell with parameters with spaces and quotes
...oo hard before to maintain the double quotes around the connection string. Apparently that isn't necessary because even cmd.exe will strip those out.
BTW, hats off to the PowerShell team. They were quite helpful in showing me the specific incantation of single & double quotes to get the desired...
AsyncTask Android example
...class edited below with all suggestions to save confusion.
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Settings.System;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.view.View.On...
ViewPager with Google Maps API v2: mysterious black view
... Great! It is not perfect, because sometimes while moving pager appears part of the black view. But now it not remains in screen any more. Thanks! (do you have any explanation for this hack?)
– Pepe
Dec 17 '12 at 11:35
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What is the purpose of the vshost.exe file?
When I create and compile a "Hello, World!" application in C#, I get three files in the Debug folder apart from the main exe (e.g. HelloWorld.exe)
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Good reasons NOT to use a relational database?
... to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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Best way to load module/class from lib folder in Rails 3?
...
As of Rails 2.3.9, there is a setting in config/application.rb in which you can specify directories that contain files you want autoloaded.
From application.rb:
# Custom directories with classes and modules you want to be autoloadable.
# config.autoload_paths += %W(#{con...