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When is SQLiteOpenHelper onCreate() / onUpgrade() run?

... code (onCreate()), you should make sure the database is updated. Two main approaches: Delete the old database file so that onCreate() is run again. This is often preferred at development time where you have control over the installed versions and data loss is not an issue. Some ways to delete the...
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Django: How do I add arbitrary html attributes to input fields on a form?

... Sorry for advertisment, but I've recently released an app (https://github.com/kmike/django-widget-tweaks) that makes such tasks even less painful so designers can do that without touching python code: {% load widget_tweaks %} ... <div class="field"> {{ form.city|attr:"...
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How do I specify the exit code of a console application in .NET?

I have a trivial console application in .NET. It's just a test part of a larger application. I'd like to specify the "exit code" of my console application. How do I do this? ...
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Calculating Distance between two Latitude and Longitude GeoCoordinates

I'm calculating the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are t...
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Calling startActivity() from outside of an Activity?

...roid:launchMode="standard". Intent i = new Intent().setClass(mActivity.getApplication(), TestUserProfileScreenActivity.class); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); // Launch the new activity and add the additional flags to the intent mActivity.getApplic...
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How do I pass multiple attributes into an Angular.js attribute directive?

...er="99" example-function="exampleCallback()"></div> Directive: app.directive('exampleDirective ', function () { return { restrict: 'A', // 'A' is the default, so you could remove this line scope: { callback : '&exampleFunction', }, li...
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Inno Setup for Windows service?

...t even have rights to redistribute it. Here is the way I'm doing it in my application: using System; using System.Collections.Generic; using System.Configuration.Install; using System.IO; using System.Linq; using System.Reflection; using System.ServiceProcess; using System.Text; static void Mai...
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iOS app error - Can't add self as subview

...ntroller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complete synchronously)...
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How to change time and timezone in iPhone simulator?

... Horrible solution (on Apple's part, not your answer). This is exactly the kind of thing the simulator should be able to do as a safe alternative to actually changing your system time and potentially breaking things on your computer. ...
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How do I trap ctrl-c (SIGINT) in a C# console app

I would like to be able to trap CTRL + C in a C# console application so that I can carry out some cleanups before exiting. What is the best way of doing this? ...