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What is the instanceof operator in JavaScript?
...t is. Consider a person / customer object. So person p = new person() p is now a person type and not a string type.
– JonH
Mar 15 '10 at 17:55
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What is the difference between null and undefined in JavaScript?
I want to know what the difference is between null and undefined in JavaScript.
33 Answers
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What is the Java equivalent for LINQ? [closed]
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There is nothing like LINQ for Java.
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Edit
Now with Java 8 we are introduced to the Stream API, this is a similar kind of thing when dealing with collections, but it is not quite the same as Linq.
If it is an ORM you are looking for, like Entity Framework, then you c...
What is the purpose of Rank2Types?
...f' :: forall r. Num r => (Int -> r) -> Int -> Int -> r, and now we have fixed the g argument so it can take Int but not String. If we enable RankNTypes we can annotate f' with type forall b c r. Num r => (forall a. a -> r) -> b -> c -> r. Can't use it, though—what wou...
Where can I find the “clamp” function in .NET?
... i = 4.Clamp(1, 3);
.NET Core 2.0
Starting with .NET Core 2.0 System.Math now has a Clamp method that can be used instead:
using System;
int i = Math.Clamp(4, 1, 3);
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Array or List in Java. Which is faster?
...someone used an int throughout for a key in a map (to save space/time). We now need to change all lines to a new object - its painful.
– Fortyrunner
Apr 4 '09 at 19:30
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SVN 405 Method Not Allowed
...ld not update with it, I cannot determine.
– roadsunknown
Aug 31 '10 at 23:14
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Was the case here...
Detecting if an NSString contains…?
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In iOS8 you can now use:
BOOL containsString = [@"Here is my string." containsString:@"is"];
There's an interesting post on how to "retrofit" it to iOS7 here:
http://petersteinberger.com/blog/2014/retrofitting-containsstring-on-ios-7/
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String comparison using '==' vs. 'strcmp()'
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icic tho in my current case, i dont need to know which string is greater :)
– Jiew Meng
Jul 26 '10 at 9:11
158
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How to update Ruby to 1.9.x on Mac?
...am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
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