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What's the difference between a catalog and a schema in a relational database?
I used to think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
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How to remove/delete a large file from commit history in Git repository?
I accidentally dropped a DVD-rip into a website project, then carelessly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history.
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Difference between DateTime and Time in Ruby
...istorical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best, so try and mesh with what your libraries expect. For example, ActiveRecord prefers DateTime.
In versions prior to Ruby 1.9 and on many systems Time is represented as a 32-bit sig...
Bootstrap 3 Collapse show state with Chevron icon
Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse ,
I have been able to show the state of collapse using chevron icons.
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What does an exclamation mark mean in the Swift language?
The Swift Programming Language guide has the following example:
22 Answers
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Getting the Value of a UITextField as keystrokes are entered?
...diting Changed" event to the File's Owner's IBAction added in the first step.
Works like a charm :) (I can't believe I spent numerous days on this, and to realize now that the solution was much simpler than I'd thought :P)
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How to modify the keyboard shortcuts in Eclipse IDE?
Title more or less says it all. Specifically, I've become increasingly annoyed that in order to run an ant script I have to use Alt + Shift + x , q . But I think If I had this power I would many things I would change the shortcuts for/add shortcuts for things that don't currently have them.
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What does cmd /C mean? [closed]
I can understand cmd but not cmd /c . I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
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Is there a Wikipedia API?
On my Wikipedia user page, I run a Wikipedia script that displays my statistics (number of pages edited, number of new pages, monthly activity, etc.).
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How do I find the absolute position of an element using jQuery?
Is there a way of finding the absolute position of an element, i.e. relative to the start of the window, using jQuery?
2 An...