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Get nth character of a string in Swift programming language

...n? The error message says "see the documentation comment for discussion". Apple provides the following explanation in the file UnavailableStringAPIs.swift: Subscripting strings with integers is not available. The concept of "the ith character in a string" has different interpretations in...
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How to send email via Django?

...henticationError and I get an email "Sign-in attempt prevented ... from an app that doesn't meet modern security standards". Looks like this. Workaround by "turning on access for less secure apps". And that worked. – Bob Stein Jan 5 '16 at 19:53 ...
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How to use the same C++ code for Android and iOS?

.../C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS? ...
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What is the fastest way to compute sin and cos together?

...e twiddling of compiler flags for this to work, but: $ gcc --version i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488) Copyright (C) 2005 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY o...
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iPhone: Detecting user inactivity/idle time since last screen touch

... Here's the answer I had been looking for: Have your application delegate subclass UIApplication. In the implementation file, override the sendEvent: method like so: - (void)sendEvent:(UIEvent *)event { [super sendEvent:event]; // Only want to reset the timer on a Beg...
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Is there a Python caching library?

...uick-start article about using Beaker with Django (but useful in any other apps too) share | improve this answer | follow | ...
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WPF and initial focus

It seems that when a WPF application starts, nothing has focus. 12 Answers 12 ...
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Clearing purchases from iOS in-app purchase sandbox for a test user

Does anyone have any ideas on how to reset and/or clear the iOS in-app purchase sandbox? 8 Answers ...
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Do zombies exist … in .NET?

...y) causing problems. Can zombie threads occur on .NET? (Why/Why not?) If applicable, How could I force the creation of a zombie thread in .NET? They sure do, look, I made one! [DllImport("kernel32.dll")] private static extern void ExitThread(uint dwExitCode); static void Main(string[] args) { ...
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How to run `rails generate scaffold` when the model already exists?

...'parent_module/controller_name'. This generates a controller class in app/controllers and invokes helper, template engine and test framework generators. To create your resource, you'd use the resource generator, and to create a migration, you can also see the migration generator (see, t...