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vs in Generics
...interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them, it's safe for i...
What does git rev-parse do?
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git rev-parse is an ancillary plumbing command primarily used for manipulation.
One common usage of git rev-parse is to print the SHA1 hashes given a revision specifier. In addition, it has various options to format this output such as --short for printing a shor...
In Rails, how do you render JSON using a view?
...your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
8 Answers
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MongoDB: Find a document by non-existence of a field?
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Visual Studio Wcf Test Client - entering an Int array
I've found the Visual Studio WCF test client quite useful when it comes to a quick test of my WCF service.
This is the test client found in this location relative to your Visual Studio install directory:
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UIWebView open links in Safari
...cked else { return true }
UIApplication.shared.open(url, options: [:], completionHandler: nil)
return false
}
Update
As openURL has been deprecated in iOS 10:
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)n...
Clear Application's Data Programmatically
...n API 19 (KitKat):
ActivityManager.clearApplicationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); //...
How to git log from all branches for the author at once?
I need to get the report of all commits that the author did. So far, I have the script that wraps the following command:
2...
What does the regular expression /_/g mean?
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