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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?
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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...
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'...
Mail multipart/alternative vs multipart/mixed
When creating email messages you are supposed to set the Content-Type to multipart/alternative when sending HTML and TEXT or multipart/mixed when sending TEXT and attachments.
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When to use references vs. pointers
...r to an object is a valid option when the function can return nullptr in some cases and it is assumed it will. That said, a better option would be to use something similar to std::optional (requires C++17; before that, there's boost::optional).
Another example is to use pointers to raw memory for sp...
What's the advantage of Logic-less template (such as mustache)?
Recently, I ran into mustache which is claimed to be Logic-less template .
13 Answers
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