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Check if a Class Object is subclass of another Class Object in Java
...laying around with Java's reflection API and trying to handle some fields. Now I'm stuck with identifying the type of my fields. Strings are easy, just do myField.getType().equals(String.class) . The same applies for other non-derived classes. But how do I check derived classes? E.g. LinkedList a...
WCF vs ASP.NET Web API [closed]
... service client entities and service generation. No support in Web API. I know there is the HttpClient which is awesome, but it doesn't take care of entity generation and serialization/deserialization.
– Shimmy Weitzhandler
Feb 21 '17 at 4:28
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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...implementing consumer for better usage with other components.
by the way now its name is more descriptive it is actually Consumer>
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Anti forgery token is meant for user “” but the current user is “username”
...l not pass validation because the initial token was for anonymous user and now we have an authenticated user with a known username.
You have a few options to solve this problem:
Just this time let your SPA do a full POST and when the page reloads it will have an anti-forgery token with the update...
Javascript set img src
...appendChild(image);
REMARK: One point is that Javascript community right now encourages developers to use document selectors such as querySelector, getElementById and getElementsByClassName rather than document["pic1"].
sh...
How to make zsh run as a login shell on Mac OS X (in iTerm)?
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I love SO. I've used this answer just now, and only then realised I wrote it nearly 4 years ago!
– Brian Agnew
Jun 24 '13 at 10:53
add a c...
Is if(items != null) superfluous before foreach(T item in items)?
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@CodeInChaos: Ah, I see your point now. When the compiler can detect that the "foreach" is iterating over a List<T> or an array then it can optimize the foreach to use value-type enumerators or actually generate a "for" loop. When forced to enumerate ove...
What is the best way to clone/deep copy a .NET generic Dictionary?
...ill give you a deep copy of the Dictionary and all the items inside of it. Now you can create a deep copy of any object that is marked as [Serializable] without writing any special code.
Here are two methods that will use Binary Serialization. If you use these methods you simply call
object deepc...
foreach with index [duplicate]
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This can now get a bit shorter when using a C# 7 ValueTuple: foreach (var (x, i) in someCollection.Select((x, i) => (x, i)) ) { ... }
– FernAndr
Sep 17 '19 at 12:20
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How to make a background 20% transparent on Android
...w this procedure:
Given a transparency percentage, for example 20%, you know the opaque percentage value is 80% (this is 100-20=80)
The range for the alpha channel is 8 bits (2^8=256), meaning the range goes from 0 to 255.
Project the opaque percentage into the alpha range, that is, multiply the r...