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How to limit the maximum value of a numeric field in a Django model?
Django has various numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField . Although the former can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a ...
How to generate the JPA entity Metamodel?
...ty associated with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities.
7 Answer...
Package objects
...e wide import
// especially useful when wrapping a Java API
type DateTime = org.joda.time.DateTime
type JList[T] = java.util.List[T]
// Define implicits needed to effectively use your API:
implicit def a2b(a: A): B = // ...
}
Now the definitions inside that package object are availabl...
Sequence contains more than one element
I'm having some issues with grabbing a list of type "RhsTruck" through Linq and getting them to display.
5 Answers
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Checking for NULL pointer in C/C++ [closed]
...ntributor is trying to enforce that all NULL checks on pointers be performed in the following manner:
14 Answers
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range over interface{} which stores a slice
...can call Len() and Index() on the value to get the len of the slice and element at an index. I don't think you will be able to use the range operate to do this.
package main
import "fmt"
import "reflect"
func main() {
data := []string{"one","two","three"}
test(data)
moredata := []int{...
What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting the error.
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How to cancel a pull request on github?
...ery bottom):
This way the pull request gets closed (and ignored), without merging it.
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In Vim, how do I apply a macro to a set of lines?
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How would I get a cron job to run every 30 minutes?
...e a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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