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Why does Java's hashCode() in String use 31 as a multiplier?
Per the Java documentation, the hash code for a String object is computed as:
13 Answers
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How to hide close button in WPF window?
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How do I make and use a Queue in Objective-C?
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I added a commented-out line at the beginning of dequeue for those that wish to return nil rather than raise an exception when trying to dequeue from an empty queue. IMO, following the NSMutableArray behavior of raising an exception is...
Node.js project naming conventions for files & folders
...arby which uses this setup.
Update (filenames):
Regarding filenames most common are short, lowercase filenames. If your file can only be described with two words most JavaScript projects use an underscore as the delimiter.
Update (variables):
Regarding variables, the same "rules" apply as for fi...
Sound effects in JavaScript / HTML5
...can fallback to ogg/wav. It would require some trickery in javascript to accomplish the same.
– joelmdev
Feb 9 '12 at 20:01
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How do you check if a variable is an array in JavaScript? [duplicate]
...wer, but it's pretty hard to tell. Solid to use! Quite impressed by the outcome. Array.prototype, is actually an array. you can read more about it here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
variable instanceof Array
This method runs about 1...
jQuery - Get Width of Element when Not Visible (Display: None)
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Is Redis just a cache?
...en reading some Redis docs and trying the tutorial at http://try.redis-db.com/ . So far, I can't see any difference between Redis and caching technologies like Velocity or the Enterprise Library Caching Framework
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Visual Studio can't build due to rc.exe
...lly wised up and solved this problem and many more.
http://msdn.microsoft.com/vstudio/express/support/faq/default.aspx#pricing
http://msdn.microsoft.com/vstudio/express/support/install/
A good amount of MSVT missing files are there but the missing SDK files aren't.
and this:
I had the same probl...
How to install a gem or update RubyGems if it fails with a permissions error
...r steps to try to fix the problem, but now when I do irb or ruby -v, I get command not found. What's going on and is there a fix" and this just adds more weight to why people shouldn't use sudo or chown. Sigh....
– the Tin Man
Mar 24 '14 at 15:41
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