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Get specific ArrayList item
How can I get a specific item from this ArrayList ? mainList[3] ?
8 Answers
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HTML5: number input type that takes only integers?
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@Zut HTML5 validation doesn't stop you from entering those keys. It just prevents the form from being send with those characters. If you submit a form with an input of the type number that contains other characters, then Chrome will show you an error message.
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How do you know when to use fold-left and when to use fold-right?
...re you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be probably be most evident from the associat...
IEnumerable and Recursion using yield return
...provided you with the correct answer, but I don't think your case benefits from yielding.
Here's a snippet which achieves the same without yielding.
public static IEnumerable<Control> GetDeepControlsByType<T>(this Control control)
{
return control.Controls
.Where(...
Spring MVC: How to return image in @ResponseBody?
I'm getting image data (as byte[] ) from DB. How to return this image in @ResponseBody ?
14 Answers
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Lombok is not generating getter and setter
...S
Find lombok Jar in ~/.m2/repository/org/projectlombok/lombok/version.x
From Command Prompt/Shell java -jar lombok-1.x.y.jar
Start STS
Thats all.
EDIT:
I did this and was still showing errors, as mentioned in the comments.
So I updated the project: right-click on project -> Maven -> U...
Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
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Insight is so awesome but it was removed from Debian and I can't install it on my Linux.. I don't know who's responsible, but he entered my list of mortal enemies and if I encounter him he'll face my wrath! Any-who; there's still a way to get it running but the UI i...
What is an .inc and why use it?
...rse.inc files as php. It doesn't actually need to be as they are read only from other php files in require/include. Is is safe? As Paulpro indicates you don't want the inquisitive end user reading code so you do want to configure the files to not be retrievable by the end user with something like "R...
How do you print out a stack trace to the console/log in Cocoa?
... @try{
retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
@catch (NSException *exception)
{
NSLog(@"Gosh!!! %@", [exception callStackSymbols]);
@throw;
}
return retval;
}
}
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Is char signed or unsigned by default?
...ome other datatypes, for example int means signed int always, right? Apart from char, what other datatypes have the same confusion in C?
– Lazer
Mar 28 '10 at 11:15
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