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Why would iterating over a List be faster than indexing through it?

Reading the Java documentation for the ADT List it says: 5 Answers 5 ...
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What's the difference between => , ()=>, and Unit=>

... passed. If you aren't familiar with them, I recommend taking some time to read that wikipedia article, even though nowadays it is mostly call-by-value and call-by-reference. What it means is that what is passed is substituted for the value name inside the function. For example, take this function:...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

... tend to describe both using the same English word, "split". When asked to read code such as fields = line.split() or fields = line.split(','), people tend to correctly interpret the statements as "splits a line into fields". Microsoft Excel's text-to-columns tool made a similar API choice and in...
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best practice to generate random token for forgot password

I want to generate identifier for forgot password . I read i can do it by using timestamp with mt_rand(), but some people are saying that time stamp might not be unique every time. So i am bit of confused here. Can i do it with using time stamp with this ? ...
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Is Ruby pass by reference or by value?

...eant. But thanks for the clarification, because it is important for future readers and I should have included it. (I'm always torn between including more info and not confusing people.) – Chuck Apr 26 '12 at 14:53 ...
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

... I know this is already been answered, just adding a small variant hoping it could also help those who don't use auto layout and still want to support iOS 6.1 and earlier versions. Read this Apple's Transition Guide - Supporting earlier versi...
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Escape double quotes in parameter

...hello """world"" REM sends (hello "world") Final note: I did not read any of this from any tutorial - I came up with all of it by experimenting. Therefore, my explanation may not be true internally. Nonetheless all the examples above evaluate as given, thus validating (but not proving) my ...
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com

...s expired and AWS emailed me to create CNAME for the hosts I have, but I already have A record, what to do now? – eugene Jun 26 at 13:07 ...
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What is the exact meaning of Git Bash?

...erShell interface in Windows7/8. A poor analogy (but one likely to be more readily understood by more people) is the combination of the command prompt and .BAT (batch) command files from the days of DOS and early versions of Windows. REFERENCES: https://en.wikipedia.org/wiki/Bash_(Unix_shell) h...
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Does Haskell require a garbage collector?

... As others have already pointed out, Haskell requires automatic, dynamic memory management: automatic memory management is necessary because manual memory management is unsafe; dynamic memory management is necessary because for some programs, ...