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Float vs Decimal in ActiveRecord

Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case, 3 Answers ...
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regex.test V.S. string.match to know if a string matches a regular expression

Many times I'm using the string match function to know if a string matches a regular expression. 3 Answers ...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

...et an object from the database if it already exists (based on provided parameters) or create it if it does not. 9 Answers ...
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How to make the overflow CSS property work with hidden as value

I am having a tough time with overflow: hidden . 5 Answers 5 ...
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How to model type-safe enum types?

... http://www.scala-lang.org/docu/files/api/scala/Enumeration.html Example use object Main extends App { object WeekDay extends Enumeration { type WeekDay = Value val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value } import WeekDay._ def isWorkingDay...
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View's getWidth() and getHeight() returns 0

I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0. ...
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How to exit pdb and allow program to continue?

...y stop when a breakpoint is encountered", so you've got a breakpoint set somewhere. To remove the breakpoint (if you inserted it manually): (Pdb) break Num Type Disp Enb Where 1 breakpoint keep yes at /path/to/test.py:5 (Pdb) clear 1 Deleted breakpoint 1 (Pdb) continue Or, if you'...
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What’s the best way to reload / refresh an iframe?

I would like to reload an <iframe> using JavaScript. The best way I found until now was set the iframe’s src attribute to itself, but this isn’t very clean. Any ideas? ...
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?

simple question, but its been nagging me for a while now.... 4 Answers 4 ...
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Prevent Default on Form Submit jQuery

... It works, but why doesn't the preferred method of preventDefault work? – MikeJ Mar 18 '13 at 19:03 26 ...