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Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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Which parts of Real World Haskell are now obsolete or considered bad practice?
In the chapter 19 of Real World Haskell a lot of the examples now fail due to the change of Control.Exception .
1 Answer...
How do I set up a basic Ruby project?
I want to create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework.
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What is the difference between atomic / volatile / synchronized?
How do atomic / volatile / synchronized work internally?
7 Answers
7
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Vertical (rotated) text in HTML table
Is there a (portable) way to rotate text in a HTML table cell by 90°?
11 Answers
11
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What's the difference between setWebViewClient vs. setWebChromeClient?
What's the difference between setWebViewClient vs. setWebChromeClient in Android?
4 Answers
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Why doesn't C# support the return of references?
I have read that .NET supports return of references, but C# doesn't. Is there a special reason? Why I can't do something like:
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
It looks like the launchd.conf does not load my environment variable anymore.
Has anyone else noticed that?
9 Answers
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PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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How do I obtain a Query Execution Plan in SQL Server?
In Microsoft SQL Server how can I get a query execution plan for a query / stored procedure?
12 Answers
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