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'is' versus try cast with null check
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{
var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time
// before using it as a MyType
...
}
to this:
var myObjRef = myObj.myProp as MyType; // only one cast
if (myObjRef != null)
{
// myObjRef is already MyType and doesn't ne...
Why does Twitter Bootstrap Use Pixels for Font Size?
...wser zoom excuse. Really sad to see such a heavily used and influential framework completely ignore accessibility issues and a fundamental cornerstone of responsive design. They are in a position of great responsibility and unfortunately seem to have no intention of acting accordingly.
[Update] So t...
Namespace and class with the same name?
I'm organizing a library project and I have a central manager class named Scenegraph and a whole bunch of other classes that live in the Scenegraph namespace.
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List or IList [closed]
Can anyone explain to me why I would want to use IList over List in C#?
18 Answers
18
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What's the “average” requests per second for a production web application?
I have no frame of reference in terms of what's considered "fast"; I'd always wondered this but have never found a straight answer...
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What are the uses of “using” in C#?
User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using ?
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
When I try to use a print statement in Python, it gives me this error:
8 Answers
8
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Add Keypair to existing EC2 instance
...very, if it's an EBS boot AMI, you can stop it, make a snapshot of the volume. Create a new volume based on it. And be able to use it back to start the old instance, create a new image, or recover data.
Though data at ephemeral storage will be lost.
Due to the popularity of this question and an...
What's “requestCode” used for on PendingIntent?
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requestCode is used to retrieve the same pending intent instance later on (for cancelling, etc).
Yes, my guess is the alarms will override each other. I would keep the request codes unique.
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Things possible in IntelliJ that aren't possible in Eclipse?
...iables in Java code, but in Spring configuration (you can click on class name, or property, or bean name), in Hibernate (you can click on property name or class, or included resource), you can navigate within one click from Java class to where it is used as Spring or Hibernate bean; clicking on incl...