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Unique Key constraints for multiple columns in Entity Framework
...rrect for data annotations :), if you want the answer for using the fluent API see Niaher's answer below stackoverflow.com/a/25779348/2362036
– tekiegirl
Oct 29 '14 at 13:37
8
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Clear the entire history stack and start a new activity on Android
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In API level 11 a new Intent Flag was added just for this: Intent.FLAG_ACTIVITY_CLEAR_TASK
Just to clarify, use this:
Java
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
Kotlin
intent.flags =...
How to check Google Play services version?
...I found simple solution:
int v = getPackageManager().getPackageInfo(GoogleApiAvailability.GOOGLE_PLAY_SERVICES_PACKAGE, 0 ).versionCode;
But versionCode is deprecated in API 28, so you can use PackageInfoCompat:
long v = PackageInfoCompat.getLongVersionCode(getPackageManager().getPackageInfo(Goo...
Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
Just upgraded an ASP.NET MVC4 project to use Unity.WebApi version 5.0.0.0 and it requires System.Web.Http v 5.0.0.0 as per the following error:
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Why C# implements methods as non-virtual by default?
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@mxmissile: me too, but good API design is hard anyway. I think sealed-by-default makes perfect sense for code you own. More often than not, the other programmer on your team did not consider inheritance when they implemented that class you need, and sea...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...HeaderFooterViewWithIdentifier:. You do not use a cell prototype with this API (it's either a NIB-based view or a programmatically created view), but this is the new API for dequeued headers and footers.
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...ome of which - particularly Windows.UI - look very similar to Silverlight, API-wise. You still have XAML to define your UI, and you still deal with the same basic concepts as in Silverlight - data bindings, resources, styles, templates etc. In many cases, it is possible to port a Silverlight app sim...
Security of REST authentication schemes
...r authentication.
You're really asking about securely authenticating REST API clients. Unless you're using TLS client authentication, SSL alone is NOT a viable authentication mechanism for a REST API. SSL without client authc only authenticates the server, which is irrelevant for most REST APIs b...
Task vs Thread differences [duplicate]
...d rather than running on the ThreadPool.
All newer high-level concurrency APIs, including the Parallel.For*() methods, PLINQ, C# 5 await, and modern async methods in the BCL, are all built on Task.
Conclusion
The bottom line is that Task is almost always the best option; it provides a much more p...
Faster s3 bucket duplication
...i to sync between buckets:
aws s3 sync speed depends on:
- latency for an API call to S3 endpoint
- amount of API calls made in concurrent
To increase sync speed:
- run aws s3 sync from an AWS instance (c3.large on FreeBSD is OK ;-) )
- update ~/.aws/config with:
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