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Best way to check if object exists in Entity Framework?
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if (context.MyEntity.Any(o => o.Id == idToMatch))
{
// Match!
}
And in vb.net
If context.MyEntity.Any(function(o) o.Id = idToMatch) Then
' Match!
End If
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Convert Iterator to ArrayList
...tor to ArrayList<Element> (or List<Element> ) in the best and fastest way possible, so that we can use ArrayList 's operations on it such as get(index) , add(element) , etc.
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How do you log server errors on django sites
...hen playing with the development I can just set settings.DEBUG to True and if an error occures I can see it nicely formatted, with good stack trace and request information.
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Using std Namespace
...ng namespace std;. It imports all sorts of names into the global namespace and can cause all sorts of non-obvious ambiguities.
Here are some common identifiers that are in the std namespace: count, sort, find, equal, reverse. Having a local variable called count means that using namespace std won't...
Table fixed header and scrollable body
I am trying to make a table with fixed header and a scrollable content using the bootstrap 3 table.
Unfortunately the solutions I have found does not work with bootstrap or mess up the style.
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
...://martijnthe.nl ) with my app whenever the app is installed on the phone, and with Mobile Safari in case it is not.
13 Ans...
Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
...followed by IIS in window 7. when building a website in .net framework 4.0 and convert this into application in IIS then its shows this error
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How do I import a Swift file from another Swift file?
... base module in the test file. In my case, my target is called 'myproject' and I added import myproject and the class was recognised.
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Draw radius around a point in Google map
I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
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Android studio Gradle icon error, Manifest Merger
I keep seeing this message and not sure how to solve it for good.
16 Answers
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