... So instead, take the hash of the file, and store that (md5 would store 16 bytes instead of 3mb). That way, you just hash each file and compare to the stored database of hashes (This doesn't work as well in practice because of re-encoding, changing file headers, etc, but it's an example use-case). ...

... +1. It is worth noting that, by the strict standard definition, instances of primitive types along with a variety of other things (any region of storage) are all considered objects. – stinky472 Jun 27 '10 at 13:38 ...

... There is a hotkey, mapped by default to Ctrl+Shift+NUM_KEYPAD_DIVIDE. You can change it to something else via Window -> Preferences, search for "Keys", then for "Collapse All". To open all code blocks the shortcut is Ctrl+Shift+NUM_KEYPAD_MULTIPL...

I was working on a new Rails 4 app (on Ruby 2.0.0-p0) when I ran into some authenticity token problems. 13 Answers ...

... The answer by @pkozlowski.opensource is better than this because it reduces "magic strings". One benefit - what if this was in a much more complex controller and you failed to unit test the filter being used? You wouldn't notice the err...

...y well suited to DOM manipulation. The real problem is that it's compiled by the browser, and that means it works in a very different way depending on the client. Not only is the actual DOM different depending on the browser, but there's a massive difference in performance and layout. Edit foll...

...pping (like status and diff) behave strangely. Let "git mv" help here by not only moving the submodule's work tree but also updating the "submodule.<submodule name>.path" setting from the .gitmodules file and stage both. This doesn't happen when no .gitmodules file is found and only iss...

...;& versus using -f with ||. This has to do with the exit code returned by the non/existence check. If you need your line to always exit cleanly with exit code 0 (and sometimes you don't want this constraint), the two approaches are not interchangeable. Alternatively, just use an if statement and...

...both your questions: Horizontal partitioning splits one or more tables by row, usually within a single instance of a schema and a database server. It may offer an advantage by reducing index size (and thus search effort) provided that there is some obvious, robust, implicit way to identify...

...nt the print head back to the start of the line, and \n advanced the paper by one line. Both were therefore necessary to start printing on the next line. Obviously that's somewhat irrelevant now, although depending on the console you may still be able to use \r to move to the start of the line and ...