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Cleanest way to write retry logic?

...eption handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility: public static class Retry { public static void Do( Action action...
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How to show “Done” button on iPhone number pad

...ring numeric information in a text field, how can I make the number pad disappear? 20 Answers ...
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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...
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What is the convention for word separator in Java package names?

... project, machine, or login names. Examples com.sun.eng com.apple.quicktime.v2 edu.cmu.cs.bovik.cheese References java.sun.com - Code Conventions/Naming Note that in particular, anything following the top-level domain prefix isn't specified by the above document. The JLS ...
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How to lazy load images in ListView in Android

... Here's what I created to hold the images that my app is currently displaying. Please note that the "Log" object in use here is my custom wrapper around the final Log class inside Android. package com.wilson.android.library; /* Licensed to the Apache Software Foundation (...
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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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How to find index of list item in Swift?

... A detailed documentation of the method can be found at https://developer.apple.com/reference/swift/array/1689674-index For array items that don't conform to Equatable you'll need to use index(where:): let index = cells.index(where: { (item) -> Bool in item.foo == 42 // test if this is the i...
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How can I change the color of AlertDialog title and the color of the line under it

... I use this piece of code in many places in my app and everywhere it works fine. I only know about troubles with DialogFragment where title color hasn't id android:id/alertTitle but I didn't found the correct one. – mmrmartin Sep 11 ...
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Run/install/debug Android applications over Wi-Fi?

I thought there was a way to test your applications in development over Wi-Fi. Is this possible? 34 Answers ...
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What is the best way to trigger onchange event in react js

We use Backbone + ReactJS bundle to build a client-side app. Heavily relying on notorious valueLink we propagate values directly to the model via own wrapper that supports ReactJS interface for two way binding. ...