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How do you launch the JavaScript debugger in Google Chrome?
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It's hard to find what this command is called if you've forgotten it!
– Ahmed Fasih
Dec 28 '13 at 1:04
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What is the difference between Flex/Lex and Yacc/Bison?
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flex is called that because it is (was?) much faster than lex. It has several extensions, and the generated files don't llok at all similar (i.e., ugly hacks in lex don't work with flex and viceversa).
– vonbran...
Why does Math.Floor(Double) return a value of type Double?
I need to get the left hand side integer value from a decimal or double. For Ex: I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing so...
Reverting part of a commit with git
...after committing, git reset --hard to discard the other changes which you didn't want to revert.
– tremby
Sep 26 '12 at 21:03
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Concatenate two string literals
I am reading Accelerated C++ by Koenig. He writes that "the new idea is that we can use + to concatenate a string and a string literal - or, for that matter, two strings (but not two string literals).
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Using Rails 3.1 assets pipeline to conditionally use certain css
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I've discovered a way to make it less rigid and future proof by still using the asset pipeline but having the stylesheets grouped. It's not much simpler than your solution, but this solution allows you to automatically add new stylesheets without having to re-edit t...
How to exclude this / current / dot folder from find “type d”
... You probably want to escape the exclamation char (\!) to be on the safe side. All the examples in my machine's man find have it escaped so it seems like it's probably a Good Idea™. Edit — Just noticed it even explicitly says: ! expr True if expr is false. This character will also usually need...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...ointer, regardless of whether those situations are common, and without considering the performance cost.
– LarsH
Apr 19 '13 at 18:37
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Is there a way to cause git-reflog to show a date alongside each entry?
The git-reflog command doesn't by default show a date alongside each entry, which strikes me as a strange oversight; I think this would be very helpful.
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How is attr_accessible used in Rails 4?
... more information about strong parameters in the Rails Action Controller guide.
Note: If you still want to use attr_accessible, you need to add protected_attributes to your Gemfile. Otherwise, you will be faced with a RuntimeError.
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