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What do two question marks together mean in C#?
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Tangential but related: It's now in Swift, but it's very different: "Nil Coalescing Operator" developer.apple.com/library/ios/documentation/Swift/Conceptual/…
– Dan Rosenstark
Oct 14 '15 at 19:21
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If i synchronized two methods on the same class, can they run simultaneously?
... I had a add on to this question. Suppose both method are static now methodA is called using Class while methodB is called using object like A.methodA() in t1 and obj.methodB() in t2. What will happen now, will they block????
– amod
Mar 21 '13 at 12:1...
How to get the first element of an array?
...umes that the first element in the array is always has an index of 0. You know what they say about assumption...
– Andy
Aug 9 '15 at 16:19
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How will I know when to create an interface?
...robably implement IWalkable, the latter two don't walk, so they wouldn't. Now you ask "why not just have another superclass, WalkingAnimal, that Dog and Cow derive from?". The answer is when you have something completely outside the inheritance tree that also can walk, such as a robot. Robot woul...
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Thanks for your comment, it's a good thing to know. Although you need modernizr, I now use it in all my projects so... I'll accept your answer as the new answer
– Pierre
May 1 '13 at 12:05
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JavaScript pattern for multiple constructors
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I've rolled the same pattern in node.js too now with: npmjs.com/package/extend
– Jacob McKay
Jun 17 '16 at 16:37
add a comment
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Getting the HTTP Referrer in ASP.NET
...able way of getting the browser's HTTP Referrer in ASP.Net ( C# ). I know the HTTP Referrer itself is unreliable, but I do want a reliable way of getting the referrer if it is present.
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What's the difference between isset() and array_key_exists()? [duplicate]
...ing out why a script was taking over 300s to execute. switched to isset(), now executes in less than 3s.
– celwell
Jul 12 '13 at 1:21
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How are strings passed in .NET?
...ine(strMain); // What gets printed?
}
There are three things you need to know to understand what happens here:
Strings are reference types in C#.
They are also immutable, so any time you do something that looks like you're changing the string, you aren't. A completely new string gets created, the ...
What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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