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Why use Ruby instead of Smalltalk? [closed]

...ling through its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not more) of the object-oriented beauty of Ruby. ...
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MySQL > Table doesn't exist. But it does (or it should)

I changed the datadir of a MySQL installation and all the bases moved correctly except for one. I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory. ...
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How can I get the line number which threw exception?

...ways returns 0 for me. Is this caused by not having a pdb file? What is it and how to get it? (I am using ASP.net) – Brabbeldas Sep 27 '13 at 9:58 ...
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Ruby: How to get the first character of a string

...= "Smith" first_name = "John" Then you can get the initials very cleanly and readably: puts first_name.initial # prints J puts last_name.initial # prints S The other method mentioned here doesn't work on Ruby 1.8 (not that you should be using 1.8 anymore anyway!--but when this answer was p...
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How to use sed to remove the last n lines of a file

... +1 for simplicity. The equivalent sed command is butt ugly: sed -e :a -e '$d;N;2,5ba' -e 'P;D' file (,5 for last 5 lines). – Marc B Nov 14 '12 at 14:28 ...
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Can I add jars to maven 2 build classpath without installing them?

Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development. 24 Answers ...
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Javascript switch vs. if…else if…else

...le states that there is a negligible performance difference between switch and if/then statements in JS. The article states this is due to spotty switch optimization and the different ways different JS engines function. Quote: Since most JavaScript engines don’t have such optimizations, performanc...
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If unit testing is so great, why aren't more companies doing it? [closed]

...icklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testing, but it's chair testing: relies on a person being there, has low repeatibility and low chance of catching bugs. The oth...
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Get screen width and height in Android

How can I get the screen width and height and use this value in: 29 Answers 29 ...
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Best lightweight web server (only static content) for Windows [closed]

...c content only web server on this same machine which will relive IIS form handling static content and increase performance. ...